7-155 SECTION 781 – RAILROAD CROSSING MATERIALS
781.01 PRECAST CONCRETE GRADE CROSSING SYSTEMS . Precast concrete grade crossing
systems shall consist of concrete, bar reinforcement, steel angle, rubber rail seal, fasteners, hardware, and all other components required for the system. Systems shall be one of the systems listed on the Agency’s Approved Products List .
781.02 RUBBER RAIL SEAL . Rubber rail seal shall be a single high quality, homogenous elastomeric
compound that is ultraviolet , ozone, weathering, and chemical resistant. The compound shall not permanently deform under loading and shall be f ree of porosity, defects, and dimensional irregularities. Seals shall be designed for the use between the field and gage sides of the rail and the adjacent pavement. The seal shall provide vibration dampening and protection from thermal expansion and contr action and shall allow for normal rail deflection without transferring force to the roadway pavement. Seals shall be in accordance with the Americans with Disabilities Act.
781.03 Automatic Highway Crossing Warning System (Ahcws) .
(a) Crossing Lamp Controller Units . (1) General Requirements . Crossing lamp controller units shall be a solid -state interface between the train detection unit and the flasher crossing warning lamps. (2) Hardware Design . Crossing lamp controllers shall be designed for mounting in a B1 type relay base and installed in the relay rack. (3) Operation .
a.Lamp driver circuits shall be capable of sinking up to 20 amps continuously from the flasher crossing warning lamps. Alternate flashing lamp and bell outputs shall energize no more than 1.0 second after control inputs a re de -energized.
b.The alternate lamp flashing rate shall be 55 pulses per minute (± 20%).
c.Where gate control is not provided, flashing lamp and bell outputs shall de -energize no more than 1.0 seconds after the control unit is energized.
d.Flashing an d steady lamp voltages shall remain within 2% of preset levels under normal conditions. 7-156 e. Means shall be provided to manually energize either side of the flashing lamp circuit continuously, with the other side off, for lamp voltage adjustment under actual operating conditions. If provided, de -energizing control input (on approach of a train) shall flash one or both sets of lamps to provide warning indication and override manual control.
f.Means shall be provided to synchronize multiple units for use at locations requiring additional lights exceeding the 20 -amp limit. (4) Control Inputs . Control inputs shall require 12.0 volts DC into a load resistance of 500 ohms to maintain warning device drive in a clear condition. Control input resistance shall be 25 0 ohms to 1,000 ohms. Control input voltage of less than 3.0 volts DC shall result in activation of the crossing warning devices. Multiple vital and gated control inputs shall be provided integrally or as an accessory. (5) System Outputs . The system shall provide the following outputs to drive the crossing warning devices:
a.Three -wire alternately flashing lamp drives that shall provide a minimum of 12.0 volts DC to operate the nominal 10 -volt DC signal lamps with a load rating as specified by the manufact urer.
b.Steady energy lamp drives from two wires of the three -wire flashing lamp circuit, which shall provide a minimum of 12.0 volts DC to operate the nominal 10 -volt DC gate arm tip lamps with load rating specified by the manufacturer.
c.Warning bell d rives shall provide 3.0 amps at a minimum 11.0 volts DC to operate mechanical type crossing warning bells, and a minimum of 0.25 amps at a minimum of 11.0 volts DC to operate electronic type bells. (6) Fallback Mode . In the event of a failure that would im pair the system from operating properly, the highway crossing warning device, in response to control input signals, shall have a fallback mode that shall assure the following minimum operating capabilities when the control input signal is de -energized:
a.Flashing lamp power is applied at 12.0 volts DC to at least one of each lamp pair, with either flashing or steady energy.
b.Bell control output is energized at 11.0 volts DC.
c.Operation meets the operating criteria specified for the primary controller operating system. 7-157 (b) Motion Sensor Track Circuits . The motion sensor system shall be microprocessor -based and shall meet the following minimum requirements: (1) The design and equipment furnished shall be modular in design, utilizing plug -in type modules, and compatible with the types of track circuits currently used for control of adjacent or overlapping crossing warning systems within the limits of this Contract. No motion sensor system frequencies shall be selected that will preclude the u se of former GE Transportation (now Alstom Signal ing) Electrocode or Alstom Signal ing Genra kode track circuits, or future 91 -2/3 Hz to 100 Hz cab signaling, unless otherwise approved by the Engineer. (2) The motion sensor system for the automatic highway c rossing warning location shall be furnished and installed as a complete redundant solid -state system. Redundancy shall be achieved by adding backup modules to the system. Motion sensor system equipment shall have a high degree of immunity to adjacent high tension AC power lines or AC or DC propulsion systems and its operation shall not be affected by electromagnetic or inductive interference from such sources. Equipment layout design shall be such as to mitigate interference from other equipment or appara tus installed within the same instrument housing. (3) The motion sensor system ethernet processor shall allow the user to access, download, set up and diagnose the system with a standard web browser. This shall be done locally or through a standard IP netw ork. The motion sensor system shall be provided with two ethernet connections that can operate at 10 Mbps or 100 Mbps. These interfaces shall auto -negotiate with the connected network device for speed selection and auto -detect whether the connecting cable is a cross -over cable or is a straight connection. Motion sensor system equipment shall have provisions for expansion to wireless crossing control and prediction capabilities. (4) The motion sensor system shall be programmable for all frequencies from 8 6 Hz to 979 Hz. 7-158 (5) The motion sensor system shall activate the AHCWS devices without a delay exceeding 500 milliseconds with a train occupying any portion of the island circuit. The island circuit shall be defined by the distance between transmit and receive track connections to the rails. The island circuit shall be an independent AC circuit with a method of randomized modulation using frequencies of 4.0 kHz, 4.4 kHz, 4.9 kHz, 5.4 kHz, 5.9 kHz, 6.4 kHz, 7.1 kHz, 7.7 kHz, or 8.0 kHz. Internal circuit logic shall be so designed that a momentary shunt applied to the island circuit while the approach is occupied shall not allow the crossing warning system to cease operation (clear). (6) The motion sensor system shall have continuous cycling of internal so lid-state self -check circuitry. (7) The motion sensor system voltage requirement shall be 12.0 volts DC nominal with a range of 9.5 volts DC to 16.5 volts DC and shall be provided with complete internal and external surge suppression equipment for rail and battery connections for single -track usage. Each output driver shall be capable of energizing a 12 -volt DC relay with a resistance of 500 ohms. (8) The motion sensor system shall provide the ability to synchronize approach track circuits in a master/slave configuration. Turning off a slave unit shall not affect the operation of the master or other slave units. (9) The system shall select redundant operation, frequency, and system configuration through the local display unit or web graphic user interface that is accessible via a laptop computer which shall display all necessary microprocessor statuses and allow for configuration. (10) A method for securing set -up parameters and verifying local presence of maintenance personnel shall be provided. Verification shall take place before an application program is selected or vital safety adjustments to the setup parameters can be made. (11) Motion sensor systems shall be provided with a method of false shunt detection to detect a sudden shunt in the ap proach without the presence of a train. (12) Track ballast conditions, defective track bonds, or defective bypass shunts shall not cause unsafe warning time for the AHCWS equipment. (13) The apparatus shall be equipped with LED status and fault memory lig hts that will be illuminated to indicate the current status of related circuits. These shall include the status of the system, track circuits, inputs, and outputs. 7-159 (14) Track termination shunts, including wide or narrow band, shall be furnished in accorda nce with the manufacturer’s standard. All shunts shall be NBS -1 type. Adjustable loss of shunt protection shall be provided. The means of adjustment for warning loss-of-shunt time shall be such that once set it cannot inadvertently be changed by mainten ance personnel. (15) The motion sensor system shall be designed to detect forward motion of a train within the limits of the approach and activate the warning devices. If, after the system has activated the warning devices, the train ceases approaching or r ecedes from the crossing, the system shall deactivate the warning devices within a pre -determined time. (16) Multiple motion sensor units shall be capable of operating at a different compatible frequency on each track monitored and shall operate properly w ithout the need of any external relays to prevent tail ring (ring -off). Tail rings, ring -bys, and short warning times will not be acceptable. (17) The motion sensor system shall be capable of operating in constant warning time mode or motion -sensing mode. (18) Motion sensor system warning time and advanced traffic preemption time shall be installed to achieve the designated times shown on the Plans. Advanced traffic preemption shall be provided by a separate output of the motion sensor. (19) Motion sensor systems shall, insofar as practicable, be designed so that in event of failure of any component part, a minimum of 20 seconds warning time will be provided. (20) Dummy loads to balance uneven approach lengths, or in a unidirectional application that requir es the unit to be set up in a bi -directional manner, shall be furnished in accordance with the manufacturer’s standard. (21) In the event of a loss of local parameters, the motion sensor unit shall only default to the frequency assigned to that application , or to 0 Hz. All other local parameters shall default to the parameters set for that application, or to the most restrictive state. (22) Where insulated joints are within the approaches of crossings controlled by motion sensor systems, the Contractor shal l design and furnish a means of bypassing the insulated joints using coupling devices as recommended by the motion sensor system manufacturer to ensure complete approach distance required for the designed warning time. The motion sensor unit shall be capa ble of remote activation when insulated joints located within the crossing approaches cannot be bypassed. 7-160 (23) Lightning and surge protection shall be to the manufacturer’s standard. (24) The motion sensor unit shall be capable of maintaining a train re cord log of the entire crossing approach length with joints located in the approach and remote activation being used. The internal crossing recorder shall be capable of maintaining such functions as date and time, average train speed, actual warning time, and diagnostic and supervisory information. The recorder shall be capable of recording and storing data for a minimum of 400 train moves. The data shall be displayed on a digital readout and be transferable to a laptop computer or master recording device via a serial or ethernet connector. All recorded events shall be capable of being printed trackside and in the office. (25) The motion sensor unit’s operating program shall be field programmable. (26) The motion sensor unit shall be rack, wall, or shelf mo untable. (c) Flashing Light Signal Equipment . (1) The Contractor shall furnish mast mounted flashing light signals where required and as shown on the Plans. The flashing light signal layout shall be equipped with a standard railroad crossing sign, ENS sign, flashing light units and, where required, bells, as specified herein. (2) The flashing light signal shall be 12 -inch LED type in accordance with these specifications and shall also conform to the AREMA C&S Manual, Part 3.2.5, AREMA C&S Manual Part 3.2.35 and the AREMA C&S Manual Part 3.2.50 . (3) Flashing light signal assemblies shall consist of various configurations of back -to-back and single -direction flashing light signals as indicated on the Plans. In accordance with the MUTCD and the AREMA C&S Ma nual, 30-inch spacing is required. Additional mounting hardware may be required in some instances. (4) Each lamp housing shall be constructed of a rigid material which is not affected by atmospheric conditions or by changes in temperature as defined by Cla ss B in the AREMA C&S Manual, Part 11.5.1 . A protective finish shall be applied to housings made of materials susceptible to corrosion, weathering, degradation from ultraviolet rays, or other elements identified in Class B in the AREMA C&S Manual, Part 11. 5.1. The housing shall be equipped with a door with front access, hinged at one side with a weatherproof seal. A ventilation opening shall be provided at the bottom of the housing and covered with brass, or copper, wire screen. A sidelight shall be provide d on both sides of the lamp housing complete with gasket, lens, and retainer. 7-161 (5) Typical crossing masts for supporting flashing light signals only shall be a minimum of 16 feet tall, of aluminum construction, and complete with pinnacle cap and aluminum sp lit base junction box. A pinnacle cap will not be required when bell is used. The Contractor shall verify that the crossing masts supplied are of sufficient height to maintain the recommended minimum clearances with the multiple light configurations shown on the Plans and the multiple signs specified in this subsection. A strip of white Type III or Type V retroreflective material, as specified in ASTM D4956 , and not less than two inches in width, shall be used on each mast for the full length of the front and back of the mast, from the crossbuck sign or number of tracks sign to the junction box base. (6) LED flashing light units shall conform to the following :
a.The LED signal module shall be 12 inches in size, and , as indicated on the Plans, shall have e ither a clear or red lens. White LED sidelights shall be included. Any gasket or similar sealing provisions shall be made of a material in accordance with the AREMA C&S Manual, Part 15.2.10 .
b.The LED signal module shall operate over an ambient temperature range of -40ºF to 158ºF in accordance with the AREMA C&S Manual, Part 11.5.1 . It shall be protected against dust and moisture intrusion in accordance with the requirements of ANSI/NEMA 250 , Type 4.
c.The LED signal module shall meet mechanical vibration and shock requirements in accordance with the AREMA C&S Manual, Part 11.5.1 , and the lens shall be UV stabilized. (7) The electronic bell shall be provided with a weatherproof housing construct ed of cast aluminum. The bell shall conform to the AREMA C&S Manual, Part 3.2.61 . Normal operating voltage shall be 10 volts DC. (8) Cross -arms for flashing light units shall be constructed of cast aluminum in accordance with AREMA C&S Manual, Part 3.2.50 . (9) Railroad crossing signs (crossbuck, MUTCD designation R15 -1) shall be white retroreflective sheeting on flat sheet aluminum with the words “RAILROAD CROSSING” in black letters, and a 5 -inch reflective stripe on the rear, in accordance with the MUTCD . (10) Flashing light signal assemblies shall be of the type indicated on the Plans. 7-162 (d) Cantilever -Gate Combination Flashing Light Signals . (1) Cantilever structures at highway -rail grade crossings shall meet or exceed the recommended guidelines in the AREMA C&S Manual, Part 3.2.5 . (2) The cantilever structure shall be an aluminum, non -rotatable, walkout type. The structure assembly shall be of the type indicated on the Plans. (3) The cantilever shall be designed to withstand a wind ve locity of 100 mph with gusts of 130 mph with a maximum horizontal deflection of 3° 15ʹ, and be capable of supporting a 500-pound load at the end of the arm. (4) The structure shall be equipped with a ladder, ladder guard, and walkway. The walkway shall be equipped with handrails on both sides and shall be a minimum of 20 inches wide, constructed of expanded metal to provide good footing and prevent ice or snow build up. The handrails shall consist of a top handrail 36 inches above the walkway and an interme diate handrail 18 inches above the walkway. (5) The mast shall be constructed of 12 -inch aluminum pipe with a solid base. The structure shall be a single mast structure for arm lengths up to 26 feet and double mast for arms over 26 feet. A pole mounted jun ction box shall be furnished with provisions for terminating all cable wires on terminals conforming to the AREMA C&S Manual . The junction box shall be equipped with a gasket and front door provided with a means for being secured by an approved padlock. (6) Cantilever flashing light layouts shall be equipped with an aluminum cantilever structure, standard railroad crossing sign, flashing light signal units, crossarms, visors, backgrounds and, where required, bells. Where the Plans do not require a bell, th e cantilever mast shall have a pinnacle and multiple track signs where appropriate. (7) Gate mechanisms shall mounted be on the cantilever with a minimum of two mounting clamps and a mast mounted support bracket. (8) Gate arms shall be mounted on the track side of the cantilever. (9) Components or structures shall be mounted or installed in a manner which will not interfere with gate arm operation. (10) Gate arm deflectors shall be provided, adjusted, and mounted on the cantilever to prevent the gate arm fr om coming in contact with cantilever arm mounted flashing lights. 7-163 (11) High wind gate arm support shall be provided and offset from the main mast. (12) An offset conversion bracket shall be provided for gate assemblies as specified in the AREMA C&S Manu al, Part 3.2.10 . Conversion brackets shall not exceed 36 inches in length from centerline of mast to centerline of gate. (13) Breakaway gate arm adapters shall be included and conform to the AREMA C&S Manual,
Part 3 — .2.21 . The design shall allow the gate to assume a vertical position.
(14) Counterweights shall be distributed over both counterweight support arms. (15) Counterweight arms shall not prevent access to the junction box in any position. (16) All gates over 30 feet in length shall be equipped with buffer legs to minimize the sagging effect associated with long gates. Buffer legs shall be of the type specified on the Plans. (e) Automatic Highway Crossing Warning Gates . (1) The Contractor shall install automatic highway crossing warning signals complete with gate mechanism, gate keepers, gate arm, counterweights, LED gate arm lights, high -wind brackets, mast mounted flashing light units, railroad crossing signs, extension bra ckets for signs, and, where required, bells. Where the Plans do not require a bell, the signal mast shall have a pinnacle and number of tracks signs, together with all necessary hardware as specified herein, in accordance with the AREMA C&S Manual, Part 3. 2.15, and as shown on the Plans. (2) The ground -mounted mast for supporting a gate mechanism shall be constructed of 5 inch aluminum pipe, 16 feet long and include a cast aluminum double split base junction box. Junction boxes shall be provided with termin als conforming to the AREMA C&S Manual , gaskets, and provisions for padlocking both sides. All special gate hardware for cantilever supported gates shall be ordered with the cantilever assembly as manufactured by the cantilever supplier. (3) The gate mecha nisms shall be supplied with an internal wiring diagram protected by a plastic laminate and shall be fastened to the inside of mechanism cover. Binding posts, nuts, washers, and insulators shall conform to the AREMA C&S Manual, Part 14.1.11 . (4) The highwa y crossing gate mechanism shall be of the type specified on the Plans. The mechanism shall include a nominal 115 volt AC heater element to prevent the formation of frost on controller contacts. 7-164 (5) The general design, painting and striping of the gate a rm shall conform to the AREMA C&S Manual, Part 3.2.20 or the AREMA C&S Manual, Part 3.2.24 . The striping shall consist of 16 -inch alternate reflectorized red and white stripe on both sides of the arm. The arm shall be constructed of non -conductive fibergla ss and be designed to ensure reasonable durability and rigidity to prevent undue sway or whipping. The clearance between the gate arm and any fixed portion of the assembly shall be a minimum of two inches. (6) The highway crossing gate arms shall be of suf ficient length to extend to within one foot of the centerline of the roadway, but in no case less than 90% of the roadway width, and provide a minimum clearance of two feet from overhead wire and cable. All gates over 30 feet in length shall be equipped wi th buffer legs to minimize the sagging effect associated with long gates. Buffer legs shall be of the type specified on the Plans. (7) All roadway gates shall be equipped with high wind support devices. The wind support devices shall be as specified in the AREMA C&S Manual, Part 3.2.22 . (8) All roadway gates 32 feet in length or less, except those mounted on cantilevers, shall be equipped with self -restoring gate arm devices. The self -restoring gate arm devices shall be as specified in the AREMA C&S Manual , Part 3.2.23 . The gate arm devices shall be of the type specified on the Plans. (9) Weatherproof, 10 volt, bi -directional LED gate arm lights with highway crossing red lenses shall be provided in accordance with the AREMA C&S Manual, Part 3.2.40 . Gate arm lights shall be adjustable to permit focusing of lights at gate installations parallel to the tracks but not perpendicular to the roadway. (10) A mechanism support shall be furnished with each gate mechanism. The mechanism support shall provide a base upon which the gate mechanism rests and shall support the weight of the mechanism when it is necessary to swing the mechanism and gate for repairs. Mechanism support shall be of the type specified on the Plans. The mechanism support shall be complete for m ounting on a 5 -inch pipe. (11) Crossarms for flashing light units shall be in accordance with the AREMA C&S Manual,
Part 3 — .2.51.
(12) Gate access platforms shall be provided at locations shown on the Plans to provide safe access to the gate assemblies and rear of the gate mechanisms. (13) Gate access platforms shall be of the type specified on the Plans. 7-165 (14) Platforms shall be a minimum of 7 -1/2 feet long and 5 -2/3 feet wide with railings on the sides and rear of platform. Railings shall be a minimum of 45 inches in height. (15) Each gate access platform will be provided with a leveling plate with cable access cutouts. (16) Platforms shall be constructed so that no part of the platform interferes with the operation of the gate or obstructs the flashing lights. (f) AHCWS Shelters and Cases . (1) Shelters and cases shall be of the type specified on the Plans. (2) Shelters shall be constructed of 0.09 -inch thick aluminum sheeting with a 0.125 -inch thick aluminum floor and access to underground and a erial cable knockout entrances behind the main terminal rack. The top and sides shall be fully lined with fire insulating material complying with a flame spread of 0 -20 and a fire rating of 7 in accordance with ASTM E84 . Roof and floor ventilation openings for the size of the shelter shall be provided. Hoist bars shall be provided to facilitate the movement of the shelter. (3) Shelter s shall be equipped with a ratchet style adjustable foundation system. (4) Shelters shall be equipped with a side personnel entrance and a rear cable entrance door. In each door, there shall be a minimum of two ventilating openings covered with fine mesh stainless steel, copper, or bronze screening. The exterior of the ventilated openings shall be hooded to minimize the entranc e of precipitation. The interior of the ventilation opening shall be equipped with a sliding steel plate to allow the adjustment of airflow. Each door shall be hinged and gasketed so that they will provide a dustproof and weatherproof seal. Doors shall be provided with cast iron handles connected to a three -point locking device which will ensure that the door cannot be locked until it is in the fully closed position. Doors shall be provided with a two -position retaining device to secure the door when open. (5) Hinges shall be separate castings that are welded to the housing and door. The hinges shall be equipped with bronze hinge pins and shall be lubricated by the manufacturer before the shelter is shipped. (6) Shelters shall be equipped with electric ligh ts as required to provide complete illumination for all passages and sides and operated from a switch conveniently placed near the entrance door. A minimum of three ground fault circuit interrupter (GFCI) convenience outlets (duplex receptacles) shall be p rovided in each wall about 36 inches from the floor. A GFCI receptacle shall be provided near each door. 7-166 (7) A thermostatically controlled roof or side mounted vent exhaust fan operated from 120 volts AC and fused separately shall be provided in the sh elter or case. The fan, if side mounted, shall be of the centrifugal type, sized to mount through a standard aerial cable outlet knockout. The thermostat that activates the fan control shall be adjustable with an on control operable between 65°F and 75°F. (8) A thermostatically controlled 2,000 -watt minimum wall -mounted heater operated from 240 volts AC and fused separately shall be provided in the shelter. (9) Shelters shall be provided with a grounding bus of hard -drawn pure copper. The minimum dimensions of this bus shall be 8 inches × 8 inches × 1/2 -inch. The bus shall be located on the lower left section of the terminal board and as near the cable entrance as possible. A minimum of twelve 3/8 -inch holes shall be drilled and tapped in the bus and twelve 3/8- inch × 1/2 -inch long hex head bronze studs with one washer each shall be furnished. (10) The free floor space shall be covered by a removable mat as specified. (11) Equipment layout design shall be such as to mitigate interference from other equipment or apparatus installed within the same instrument housing. (g) Components and Equipment for Shelters and Cases . (1) Equipment Racks . Racks shall be the manufacturer’s standard for the type of equipment furnished and shall be sized to fit the shelter. Equipment racks shall include all necessary supports for wire and equipment. (2) Relay Plug -boards . Plug -boards shall be designed for insertion of removable type contacts. The wires shall be attached to the removable contacts using solderless conn ections. Unless otherwise approved by the Engineer, or proven by type acceptance testing, the plug -board shall be designed so that the removable contact will have a direct connection with the contact and coil prongs. The plug -boards shall be in accordance with the applicable sections of the AREMA C&S Manual, Part 6.2.2 . All wires shall be of sufficient length to permit them to be moved to any contact on the same relay. The plug -boards for vital relays shall be equipped with a registration plate to prevent r elays of the wrong type, contact arrangement, or operating characteristics from being inserted. (3) Relay and Component Mounting .
a.In designing the detail layout of the racks, panels, and other equipment within the AHCWS shelter or case, the Contractor s hall group the rows of racks and the instruments thereon so that similar types of equipment or functions of a similar nature will be together. 7-167 b. Relays for track circuits shall be mounted in the upper half of the relay rack.
c.Relays or components shall be mounted at a height of no more than 6 feet or less than 1 foot from the floor of the room. The overall height of the rack shall not exceed 7 -1/3 feet.
d.Shelves shall be provided for mounting any required solid -state equipment such as electronic track circuits, grade crossing predictors, motion sensors, or related solid - state equipment. Shelves shall be mounted such that equipment is not more than 6 feet nor less than 1 foot from the floor. Shelves shall be provided with rubber matting in accordance wi th these specifications. (4) Identification .
a.A white identification number shall be stenciled at the top of the frames of each rack or panel.
b.There shall be an identifying nameplate for each relay, or other instrument mounted on the rack or panel.
c.The relay plug -boards shall be equipped with a tag as specified herein. This tag shall indicate the nomenclature of the relay.
d.The contact numbering system shall be uniform for each type of relay used.
e.The wiring to each removable contact shall be identified with a wraparound tag as specified herein. This tag shall indicate the relay contact number assigned to the wire.
f.Wire and cable conductor identification tags for terminal board mounting shall be as specified herein.
g.External identificatio n of the manual control (MC) box shall be provided. (5) Cable Entrance Racks .
a.Cable entrance racks shall be made of 3/4 -inch Type AB exterior grade plywood, mounted on a standard equipment rack where required.
b.Cable entrance racks shall be located in the immediate proximity of the cable entrance facilities of the shelter. The Contractor shall determine the physical size of the terminal boards necessary to meet the requirements of the Contract. 7-168 c. Multiple -unit terminal blocks for wire and cable condu ctors shall be in accordance with the AREMA C&S Manual, Part 14.1.6 .
d.Lightning arresters shall be as specified in Subsection 781.03(j)(12) .
e.An additional 10% spare terminals and lightning arresters shall be provided.
f.Provisions shall be made to lo cate spare wire conductors on dedicated terminal posts or lightning arresters, in line with the working conductors of any one cable.
g.Wire -wound resistors mounted on the terminal board shall be spaced with 1/2 -inch clearance between adjacent resistors. (6) Apparatus Boards . A full complement of apparatus boards shall be furnished on the sides of shelter and shall be made of 3/4 -inch Type AB exterior grade plywood securely fastened to the walls in such a manner to permit mounting of battery charging equipm ent, transformers, terminals, fuses, etc. (7) Battery Trays . The Contractor shall furnish wood battery trays mounted on steel racks of a design and size for the batteries supplied by the Contractor. Alternative designs of polyethylene may be submitted for consideration. Unless otherwise approved, the design shall provide for batteries to be mounted on battery racks having a single tier. (8) Cable Entrance Pipes . Cable entrance pipes shall be as specified herein. (9) Grounding . A 3/8 -inch high -tensile streng th, silicon manganese bronze stud bolt for externally grounding the case shall be provided. Perforations of the shelter will not be permitted. The internal ground bus arrangement shall be as specified in Subsection 781.03(f)( 9). (10) Wiring . Internal wiring for vital circuits shall be in accordance with the applicable provisions of the AREMA C&S Manual , unless otherwise specified herein. No. 16 AWG 19 -strand flexible wire shall be used for all circuits, except that No. 10 AWG, or larger, f lexible stranded shall be used for signal lighting, track connections to the main terminal board and rectifier bus circuits. No. 6 AWG shall be used for battery connections. Wiring for lights, fan control, switch and convenience outlets shall be insulated No. 12 AWG, flexible, THHN wire installed in EMT. Wiring for the wall-mounted heater shall be insulated No. 10 AWG, flexible, THHN wire installed in EMT. Solderless terminals, for stranded wire, shall be as specified in Subsection 781.03(j)(13) . Solid te rminal connectors shall be used for all short terminal jumpers. 7-169 (11) Wiring Raceway . All internal case wiring shall be contained within surface mounted plastic raceway. The raceway shall be of a polycarbonate, low smoke type with a solid snap -on cover and flexible side walls. The side walls shall be of finger type construction allowing for insertion and removal of wire runs with terminations attached. Sizes shall be determined by the manufacturer. Fill capacity shall not exceed 40%. (12) Painting .
a.The i nterior of non -aluminum housings shall be painted according to the manufacturer’s standard.
b.The terminal and apparatus boards and shelves shall be painted gray ANSI 61 .
c.The exterior of non -aluminum housings shall be painted in accordance with the AREMA C&S Manual, Part 1.5.10 . The finish color shall be aluminum. The steel bottom of the shelter shall be treated with a corrosion resistant undercoating.
d.The battery trays shall be painted with two coats of acid -resistant black paint.
e.All paint shall be fire retardant. (13) Power Off and Status Indication Light .
a.The Contractor shall furnish and install a power off and equipment status indication light, above the manual control box, on the highway crossing side of each AHCWS shelter. The circuit con trol for this light shall include contacts of the power -off relay. The light shall be li t when the power is on.
b.A 2-inch diameter hole shall be cut in the shelter on the side facing the highway. A polycarbonate lens, with a gasket or seal, shall be inst alled to weatherproof the hole.
c.A 12 -volt, 18 -watt lamp and base shall be mounted inside the crossing shelter behind the lens.
d.The lamp shall be wired as shown on the Plans or the approved fabrication drawings. (14) Manual Control Box .
a.The Contrac tor shall furnish and install a manual control (MC) box, mounted on the roadway side of the shelter as indicated on the Plans. 7-170 b. The MC box shall be of cast iron or cast aluminum construction, complete with a hinged and gasketed door to provide a dustproof and weatherproof seal.
c.The method of mounting the MC box on the side of the shelter shall include a gasket to provide a weatherproof seal between the back of the MC box and the side of the shelter. A pipe nipple with locknuts and bushings, or similar approved means, shall be provided between the inside of the shelter and the inside rear of the MC box to house and protect the flexible internal wiring between the shelter and the terminals on the control switch within the MC box.
d.An approved me ans of securing and locking the door with a standard padlock shall be provided.
e.A pocket shall be provided on the inside of the MC box door to house the crossing test record booklet.
f.The MC box shall be fitted complete with an internal face -plate pan el marked “Manual Control”.
g.A knife switch and all internal wiring shall be provided.
h.The wire terminations on the switch within the MC box shall be identified with tags, as specified in Subsection 781.03(j)(14) . These tags shall indicate the nomenc lature of the wire. (15) Event Recorder .
a.The Contractor shall furnish and install an event recorder system at each crossing location. The event recorder shall be of the type specified on the Plans.
b.Event recorders shall be designed for installation at highway crossings to monitor and report activities associated with signal equipment operation.
c.Event recorders shall also provide data analysis capabilities internal to the event recorder which through user defined application logic can interpret the stored information.
d.Event recorders shall be capable of reporting digital information such as relay contact closures and analog information such as relay battery voltage, gate battery voltage, and AC lamp voltage. 7-171 e. The event recorders shall use sol id-state microprocessor technology and base unit networked with expansion modules via RS485 to scale to larger I/O intensive applications.
f.The event recorders shall use a user interface that allows easy navigation through menus and fast access to store d data and system functions. The user interface shall be accessed using a built -in display and keypad or remotely through the communication options.
g.The event recorder shall receive inputs from the various signal relays and voltage sources and shall pro cess outputs to battery backed up memory for storage with a date and time stamp.
h.Event recorders shall conform to the AREMA C&S Manual, Part 3.1.29 on event recorder design and operation.
i.Event recorders shall be installed in accordance with standard AREMA temperature ranges for field installed equipment.
j.Event recorders units shall be provided as follows:
1.Each input and output port shall be equipped with an illuminated status indicator. The indicator shall light when the respective port is energized.
2.Each unit shall be equipped with a built-in interface for connection of a printer and modem to download from memory. Event recorders shall be capable of storing up to 24 ,000,000 events and equipped with a minimum of four relay outputs front -back-heel contacts used for general -purpose control interface.
k.The operating voltage of event recorders shall be 8.0 volts DC to 36.0 volts DC, isolated ground.
l.Units shall be configured for wall mounting. Units shall be bound in a secure enclosure wi th wiring connections protected from accidental contact when passing by. 7-172 (16) Shelter and Case (Power) .
a.AC Power Supply . Shelters shall be provided with single phase, three wire, 120/240 volt AC, 100 amp, 24 circuit panelboard s. The capacity rating for each panel board shall be sized by the Contractor for the projected loads and shall be rated for not less than 100 amps. Panel boards shall contain 25% spare circuit breaker spaces. Two double pole circuit breakers shall be provided for future use, in addition to the 25% spare circuit breaker spaces. Circuit breakers provided shall be of the thermal magnetic, molded case type, sized by the Contractor in accordance with the approved power calculations.
b.External Connection .
1.The Contractor shall des ign and furnish a new metered power service at each crossing location to replace the existing service. The Contractor shall obtain all permits, licenses and agreements with the supplying power company and be responsible for coordination with the power comp any and railroad and all user installation costs that the power company requires.
2.Actual power conductor size shall be calculated to suit distances and loads. Conductor sizes and cable makeup shall be detailed for application of the Contractor’s final d esign. The s izing of the conductors shall allow no more than a 5% voltage drop between the power source and the load under maximum calculated load conditions.
3.All power service materials and equipment installed shall conform to all applicable state and local ordinances pertaining to electrical power installations and the National Electrical Code .
4.The Contractor shall provide and install cable for connection of the 240 volt AC, three -wire feed from the meter service to the utility tapping point.
c.Lighting . Shelters shall be provided with lamp holders and bulbs at each door, front and rear.
d.Branch Circuit Wiring . Branch circuit wiring for shelter utilities shall be insta lled in EMT conduit. Wire sizes, EMT conduit, and liquid tight flexible conduit shall be sized in accordance with the National Electrical Code . Wiring for lights and convenience outlets shall be a minimum of No. 14 AWG, flexible, THHN wire installed in EMT . 7-173 (h) Foundations . (1) Precast Concrete Foundations . Precast concrete foundations shall be made of concrete with an average compres sive strength of 5,000 psi and be in accordance with the applicable drawing section of the AREMA C&S Manual, Part 14 for the type of precast foundation required. Precast concrete foundations shall be steel reinforced. Reinforcing steel shall be in accordan ce with the AREMA C&S Manual, Part 14.4 and shall be not less than one inch from any outside surface. (2) Bolts, Nuts, and Hardware . Bolts, nuts, and washers shall be galvanized in accordance with the AREMA C&S Manual, Part 15.3.1 . Bolts, nuts, and threads shall be in accordance with the AREMA C&S Manual, Part 14.6.20. Plain washers shall be in accordance with the AREMA C&S Manual, Part 14.6.21 . Steel shall be in accordance with the AREMA C&S Manual, Part 15.1.4, Section 1. (i) Signs . For each crossing, th e Contractor shall furnish three new I -13a emergency notification signs. Signs shall be in accordance with MUTCD requirements. (j) Miscellaneous Products and Components . (1) Printed Circuit Cards .
a.Printed circuit (PC) cards shall be of glass epoxy const ruction. Card material shall meet the requirements of ANSI/NEMA IM 60000 , Type FR -4 and meet or exceed the Class 2 requirements of IPC-A-610F . Cards shall have sufficient thickness to permit easy insertion and removal and shall be physically keyed to prote ct against incorrect interchange. Circuits shall be formed by etching. Conductor material shall be copper and shall be protected from exposure to air.
b.PC cards containing components that may be damaged in the event a plug connector or plug -in unit is removed while the equipment is energized shall be clearly marked or labeled with a warning note and means provided to remove power to the PC cards.
c.Stacking or piggybacking of printed circuit card sections in order to accomplish changes or modifications to wiring or components on printed circuit cards will not be allowed. 7-174 (2) Printed Circuit Card Connectors . Connectors shall have gold plating with a minimum thickness of 0.000050 inches. (3) Circuit Breakers .
a.Circuit breakers shall be of suitable c apacities to protect the various pieces of signal apparatus from the effects of short circuits or overloads.
b.The circuit breakers shall be the correct size and rating for circuit current interruption and shall protect the electrical equipment and circu its from short -term and long -term overloads.
c.In DC branch circuits, where fusing is impractical, a protective resistance unit shall be furnished. All fuses shall be centrally located on the power distribution panel and power racks.
d.Fuse clips shall b e so constructed that they shall retain their resilience under all installation and service conditions to assure a positive contact between the clips and fuse. (4) Diodes . All diodes to be furnished shall carry a JEDEC number or shall be available from more than one manufacturer and shall be used within the published specifications for such number. All diodes shall be of the silicon type. (5) Resistors . All resistors, other than those required for electronic circuits, shall be in accordance with the AREMA C &S Manual, Part 14.2.15 . Resistors for electronic circuits shall be in accordance with the applicable requirements of the AREMA C&S Manual, Part 11.5.1 . (6) Reactors . All reactors, other than those required for electronic circuits, shall be in accordance w ith the AREMA C&S Manual, Part 14.2.20 . Reactors for electronic equipment shall be in accordance with the applicable requirements of the AREMA C&S Manual, Part 11.5.1 . (7) Capacitors . Capacitors for electronic circuits shall be in accordance with the appli cable requirements of the AREMA C&S Manual, Part 11.5.1 . (8) Signal Terminal Connectors . Signal system terminal connectors shall be in accordance with the applicable requirements of the AREMA C&S Manual, Part 14.1.15 . 7-175 (9) Signal Terminal Binding Posts . AHCWS terminal board binding posts, required for supervisory control circuits, shall be in accordance with the AREMA C&S Manual, Part 14.1.10 . (10) Terminal Post Insulators . All terminal posts located on terminal boards in the crossing instrument shelters used to terminate 55.0 volt or greater AC or DC circuits shall be provided with a protective insulator. The type of insulator shall be individual for each terminal post and shall be fire -resistant. (11) Insulated Test Link . Insulated test links sh all be of the type specified on the Plans. (12) Lightning Arresters and Equalizers . Lightning arresters and equalizers shall be mounted on three or four post porcelain or other approved type s of bases and shall be in accordance with the AREMA C&S Manual, Part 14.1.9. (13) Terminals for Wires and Cables .
a.All solderless terminals shall be in accordance with the AREMA C&S Manual, Part 14.1.1 , or as specified herein.
b.Terminals shall be of the solderless crimp -on type. Samples of all solderless terminals shall be submitted for approval.
c.All stranded copper wire shall be fitted with a n approved type of terminal at all points where the wires are to be terminated on terminal binding posts.
d.The terminating means shall be of five types:
1.A lug for terminating heavy wires or signal power wires.
2.A solderless insulated 1/4 inch stud c ircular ring terminal for terminating No. 16 and No. 14 AWG stranded wires.
3.A solderless insulated 1/4 inch stud circular ring terminal for terminating No. 12 through No. 10 AWG insulated wires.
4.A solderless insulated 1/4 inch stud circular ring term inal for terminating other stranded vital circuit No. 20 through No. 16 AWG insulated wires having a maximum diameter of 0.200 inches. 7-176 5. A solderless insulated circular ring terminal shall be furnished for No. 8 studs and 1/4 inch studs for non -vital c ircuit No. 22 AWG though No. 16 AWG insulated stranded wires having a maximum diameter of 0.125 inches.
e.Solderless insulated circular ring flag -type terminals shall be used where required. The Contractor shall be responsible for ensuring that the proper terminals are selected based on wire gauge and stud size.
f.The terminals shall be for attaching to the ends of the conductor in such a manner that the flexibility of the conductor will not be destroyed and the possibility of breakage at the terminal wil l be reduced to a minimum.
g.Terminals shall be for attaching to the wire with a tool made by the manufacturer of the terminal and recommended by the manufacturer for the terminals being furnished.
h.The tool shall be equipped with a ratchet device that will ensure proper indentation of the terminal and which will not release until proper indentation is complete. (14) Tagging For Cables, Wire, and Equipment .
a.General Requirements . Except as otherwise specified in this subsection, both ends of each cable and each cable wire and all single wires that terminate in the cases, junction boxes, gate mechanisms, instrument housings on entrance racks, and any equipment of the AHCWS outside of such locations shall be permanently identified with a tag. Tags sh all not obscure connecting links used between terminal binding posts. Tags shall be installed so that they may be read with a minimum of disturbance of the tags and wiring. Each conductor of the cable shall be rung out and identified before applying the ta g.
b.Identification Tags . Tags for wire and cable identification and for identification of transformers, resistors, reactors, and other components shall meet the following requirements:
1.Sleeve Type Tags . Tags for identification of individual cable cond uctors and field -installed wires within the cases and AHCWS instrument shelters, base of signal junction boxes, and similar applications shall be of the type specified on the Plans. The application of the conductor nomenclature shall be in accordance with the manufacturer’s instructions and shall result in a permanently bonded and legible identification. 7-177 2. Flat Plastic Tags .
i.Tags for identification of vital relay plug boards, individual transformers, resistors, reactors, terminals, and other miscellan eous components within the cases or AHCWS instrument shelters shall be the flat plastic laminated type. ii. Identification tags shall be 1 -1/2 inches long × 3/4 inches wide with one 5/16 -inch hole located in the center of the width. The distance from the e dge of the tag to the hole shall be approximately 9/32 of an inch. The untreated tag shall be milk white in color and composed of nontoxic, thermoplastic, acid -resistant vinyl resins. iii. The identifying nomenclature space shall allow for three rows of lettering, and the tag material shall be capable of receiving typed -on characters by conventional means. The height of the lettering shall be not less than 1/8 inch. Hand -written tags shall not be allowed. iv. After lettering, both the face and back side of the tag shall be covered with a clear plastic coating, or nontoxic, thermoplastic, acid-resistant vinyl resin coating, shall have a minimum thickness of 0.01 inch.
v.The nomenclature applied to tags to go on entrance racks and boards shall show the termin al post identification on the top line. The functional nomenclature shall appear on the bottom line, or, if required, on the middle and bottom lines. The terminal posts shall be identified by geometry coordinates, such as rack, row, and post number.
3.Wrap Around Tags . Tags for identification of the individual wires of plug - in relays, within the AHCWS instrument shelter and the wayside cases, shall be of the wrap around, self -adhesive type.
4.Flag Marker Tags . Tags for identification of individual wires o f shelf - mounted relays, and wires and conductors in junction boxes, shall be flag marker tags of the miniature locking type. 7-178 (15) Pressure -Sensitive Labels .
a.The rows and columns on entrance racks shall be identified by pressure -sensitive labels bear ing the geometric coordinates.
b.Wires on plug -in vital relays shall be identified by the contact to which they are applied. These tags shall be of the wrap -around self -adhesive type. (16) Hardware . All mounting hardware exposed to the elements and used for signal equipment, cases, conduit, hangers, brackets, clamps, etc., shall be hot -dip galvanized. All lock -washers shall be cadmium plated. All nuts, bolts, and washers used for the mounting of eq uipment within finished enclosures shall be cadmium plated or stainless steel.
a.Galvanizing . Hot -dip galvanizing shall be in accordance with Subsection 726.0 6. All galvanized mounting hardware nicked or damaged during construction shall be repaired in ac cordance with Subsection 726.0 6 and coated when dry with a non - oxide grease to prevent corrosion.
b.Cadmium Plating . Cadmium plating shall be an impervious, dense, hard, fine grained, continuous, closely adhering coating of commercially pure cadmium, free from capillaries and shall completely cover the surface of the part in a smooth, bright layer. Plating on raised or prominent portions shall show no evidence of blackness or loose crystalline structure. It shall have a minimum thickness of
0.0006 inches a nd shall withstand the salt spray test for at least 1,000 hours.
(17) Conduit .
a.Rigid Conduit . Rigid conduit shall be used at locations as specified herein and as shown on the Plans. The types of rigid conduit shall be as follows:
1.Steel conduit shall be made of the best grade standard weight steel pipe protected inside and outside by a coat of hot -dip galvanizing. Where elbows are used, they shall be the long radius type. Steel conduits shall be protected in shipping and handling by approved thre ad protectors.
2.PVC conduit shall be schedule 80 and shall meet or exceed the requirements of ASTM D1784 . 7-179 b. Flexible Conduit and Hose .
1.Hose for track circuit leads shall be a braided rayon, vari -purpose hose, or internal tube neoprene cover.
2.When the Engineer permits the use of metallic flexible conduit, it shall be Type UA.
c.Fittings .
1.Approved PVC fittings shall be used for PVC conduit. All fittings for rigid steel conduit shall be of cast malleable iron and shall be protected by hot - dip galvanizing.
2.Expansion joints for PVC conduit shall be required where shown on the Plans. (18) Padlocks and Keys . Signal padlocks and keys shall be furnished and installed for all housing or case doors and covers of signal equipment installed under the Contract. Switch padlocks shall be furnis hed and installed for manual control boxes requiring access by train crews. The Contractor shall obtain through the Engineer the proper ordering references for the Operating Railroad’s signal and switch padlocks. (19) Sealing Compound . Sealing compound for use in sealing cable entrances shall be in accordance with the AREMA C&S Manual, Part 15.2.15 . (20) Cable Entrance Pipes . Cable entrance pipes for ground -mount AHCWS instrument shelters shall be 6 -inch schedule 40 PVC pipe, 3 feet long, with a bell housin g on one end. (21) Paint and Finish . All paint and painting procedures shall be in accordance with applicable requirements given in the AREMA C&S Manual, Part 1.5.10 . (22) Ground Rods, Clamps, and Wire .
a.Ground rods shall be copper -clad steel of the non -rusting type. The rod shall be at least 8 feet in length and at least 5/8 -inch in diameter.
b.Ground rod clamps shall be made of a cast bronze clamp body with non -ferrous set screws.
c.Internal ground wire from the equipment to the ground bus shall be i nsulated No. 6 AWG or No. 10 AWG stranded copper wire. Insulated ground wire shall be colored green. 7-180 (23) Rubber Mats . Rubber mats shall be furnished for installation in the crossing shelter. Rubber mats sh all meet the requirements of the applicable sections of ANSI and NEMA standards. (24) Rail and Turnout Bonds .
a.Non-insulated rail joints shall be bonded with an exothermically welded rail head bond installed on the field side of the joint bars.
b.Rail h ead bonds shall be furnished and installed in accordance with the AREMA C&S Manual, Part 8.1.20, AREMA C&S Manual, Part 8.1.30, and AREMA C&S Manual, Part 8.6.40.
c.Bonds shall be 5/16 -inch tab style with a nominal length of 7 inches.
d.For all turnouts within the crossing approach, fouling wires and switch heel bonds shall be furnished and installed in accordance with the AREMA C&S Manual, Part 8.1.20 and AREMA C&S Manual, Part 8.1.25 (Type 2 plugs). (25) Signal Transformers .
a.General Requirements . Signal transformers shall be in accordance with the AREMA C&S Manual, Part 14.2.10 for single -phase transformers, where the requirements do not conflict with any requirements of this subsection.
b.General Signal Transformers .
1.General signal transformers shall be provided with sufficient primary and secondary voltage taps to adjust between 85% and 110% for varying feeder voltages. All transformers shall be rated to carry 125% of the total load continuously.
2.The primary and secondary taps sh all be brought to terminals mounted inside the transformer case, and a connection for each secondary tap and at least two connections for the primary winding shall be brought out of the transformer to terminals conforming to the requirements of the AREMA C&S Manual . All terminals shall be identified.
c.Signal Lighting Transformers . Signal lighting transformers shall be equipped with taps to provide output voltage adjustment in one -volt steps, from 6 volts to 15 volts. The primary excitation voltage shall b e 120 volts AC at 60 Hz. 7-181 (26) Batteries and Charging Equipment .
a.Design Requirements .
1.Two 12 -volt battery banks and charging equipment shall be included in the design. One bank shall be used for electronic track circuits (MB12) and a separate bank shall be used for signal lighting and gates (XB).
2.Battery charging equipment shall be of a microprocessor -based design for continuous operation, shall provide constant current and constant voltage charge , and shall meet the requirements of the AREMA C &S Manual, Part 9.2.5.
3.Battery charging equipment shall be designed to deliver rated outputs with an input voltage of 100 volts AC to 130 volts AC at 60 Hz, single phase, two-wire input.
4.Battery charging equipment shall have a reserve capacity at lea st 25% above the calculated requirements. Locations using gates shall be provided with a 40-amp minimum XB rectifier.
5.Each charger shall be provided with an adjustment device to change the rate of output current.
6.Terminal markings for AC and DC termi nals shall be permanent.
b.Track Battery Chargers . Track battery chargers shall provide constant current and constant voltage charge and shall meet the requirements of the AREMA C&S Manual, Part 9.2.5 . Chargers shall have a selectable float voltage to mat ch supplied battery manufacturers requirements of the type as specified on the Plans.
c.Battery Bank Chargers . Battery bank chargers shall be fully adjustable rectifiers of the type specified on the Plans. The Contractor shall furnish DC battery bank cha rgers for operating all equipment required to operate the connected equipment. The charger shall provide a stabilized output voltage, with output current limiting. The capacity of the battery charger shall be determined by the Contractor and approved by t he Engineer. The charger shall adjust its output current automatically according to the load and to the demand on the battery. 7-182 d. Storage Batteries .
1.The Contractor shall furnish storage batteries for all applications except as otherwise approved by the Engineer. Low maintenance railroad signal batteries, of the type specified on the Plans, will be used by the Operating Railroad as a standby source of power for highway crossing warning devices, signal control systems, and other similar us es. The batteries shall operate, with a high degree of reliability, at -40°F to 160°F in a harsh environment, enclosed only in a relay house or raised concrete battery box. The batteries shall not be capable of exploding under any condition, including a short circuit discharge.
2.Batteries shall meet the requirements of the AREMA C&S Manual, Part 9.1.3 , where they do not conflict with any requirements of this subsection.
3.The following is a guide to minimum storage bat tery size. The Contractor shall calculate the loads based upon the equipment that the Contractor proposes to furnish. All batteries shall be sized for a minimum 24 -hour standby capacity at an ambient temperature of 40°F.
i.80 amp -hour (minimum) – DC stead y energy track battery ii. 340 amp -hour (minimum) – Local MB12 battery iii. 340 amp -hour (minimum) – Local XB battery
4.The physical construction shall conform to the following :
i.Polypropylene container and cover. ii. Projected design life of 20 years a t 80% rated capacity. iii. Individual cells (multiple cell groups or modules are not allowed). iv. The battery shall be low maintenance, meaning no overcharge will be required. 7-183 (27) Vital Relays .
a.General Requirements .
1.Vital relays shall meet the requirements of the AREMA C&S Manual, Part 6.2.1.
2.All relays and equipment specified shall be capable of rated performance through an operating temperature range of -40°F to 158°F.
3.All relays shall be in dust -proof enclosu res, except a provision shall be made for ventilation where required for heat dissipation.
4.Arc suppression for vital relays shall be built into the relay or into its plug - board.
5.Contact arrangements shall be identical for similar types of relays, exc ept special function relays.
6.All vital plug -in relays, except vital time -element relays and special application relays, shall be equipped with front current testing facilities.
7.Vital plug -in relays shall be equipped with a registration plate to preve nt relays of the wrong style, contact arrangement, or operating characteristics, from being inserted into the plug -board.
8.Vital relays shall be shipped separately from the wired racks in which they are to be used. They shall be packaged individually, ea ch in a sturdy corrugated cardboard carton with the drawing number of the relay printed on the outside of the carton. Relays shall be stored in a protected area until tested and installed.
9.The factory testing of each relay shall be to the manufacturer’s standard.
10.Vital relays, with a nominal operating voltage of 10 volts to 16 volts, shall be capable of operating continuously without resultant damage, with a minimum voltage range of 7 volts to 21 volts, inclusive, applied to their operating circuits. 7-184 11. Biased neutral vital relays shall be designed so that gravity alone will prevent the armature from picking up if the permanent magnet is de - energized or if no current is applied to the coil due to interruption of the normal magnetic circuit. Biased neutral vital relays shall be designed so that up to at least 50 times working energization applied for two seconds at both normal and reverse polarity will not affect their operating characteristics by more than 2%, and will not pick up their armature on reverse polarity.
12.Each vital relay shall have a minimum of four dependent front -back contacts, two independent front contacts, and one independent back contact. All front contacts shall be silver -to-metalized carbon, except for heavy duty, extra heavy duty, or special application relays.
b.Flasher Relays .
1.Flasher rates for AHCWS shall be provided by solid -state flashers.
2.The flashing rate shall not be less than 35 times per minute nor more than 65 times per minute and shall be in accordance with the AREMA C&S Manual, Part 3.2.55.
c.Timers and Time Element Relays .
1.Timers used for loss of shunt protection or special applications shall be of the vital solid -state type.
2.Any interruption of power shall cause an immediate reset to the beginning of the selected time delay. The timer shall be accurate to within ± 0.1% over the entire temperature range of -40°F to 158°F. (28) Shunt Enhancement Systems .
a.Shunt enhancement systems shall meet the requirements of the AREMA C&S Manual, Part 3.1.17.
b.Shunt enhancement systems shall be used to improve shunting characteristics by providing a DC whetting voltage to break down rust and contaminants on the rail. Shunt enhancement systems shall be of the type specified on the Plans. 7-185 c. The shunt enhancement systems shall meet the following requirements:
1.The system shall provide a DC voltage in a range between 6.0 volts and 7.5 volts to the rails.
2.The syst em shall monitor the DC voltage to the rails and provide a system check output of 12.0 volts to 15.0 volts DC for the use of activating the crossing if the shunt enhancement system fails.
3.The system shall operate from an external 12 -volt DC power sourc e and 120-volt AC line. The system shall automatically switch to DC voltage in the event of AC power failure.
d.The equipment shall be wall or rack mountable. (29) Audio Frequency Overlay Track Circuits .
a.Audio frequency overlay (AFO) track circuit cont rol system equipment shall meet the requirements of the AREMA C&S Manual, Part 8.2.1 .
b.AFO track circuit control equipment for island and approach control of automatic highway crossing warning systems shall be of the type as specified on the Plans.
c.The equipment shall meet the following requirements:
1.The transmitter, receiver, and transceiver units of the audio frequency track circuits shall be system engineered by one manufacturer. The Contractor shall furnish documentation that their selection of audio frequencies and location of equipment will not introduce harmonic interference to other audio frequency assemblies (including motion sensor assemblies) or false and spurious inductive currents within adjacent audio frequency cable conductors or track circuits.
2.The audio frequency overlay track circuit shall be designed to detect a shunt of 0.25 ohms, or greater, rail -to-rail resistance.
3.The transmitter shunting sensitivity shall have a maximum range of twenty feet using a 0.06 -ohm shunt. The receiver post shunt shall be a maximum of ten feet using a 0.06 -ohm shunt. 7-186 d. Lightning protection devices shall be the manufacturer’s standard and shall be system compatible with the proposed type of audio frequency overlay track circuit subsystem.
e.The maximum effective range of the audio -frequency overlay track circuit shall be 8,000 feet.
f.The track circuit module shall be capable of operation from an external 12 -volt DC power source. The module shall be provided with built -in battery and lightni ng surge protection.
g.The internal wiring shall be brought out to terminals conforming to the AREMA C&S Manual, Part 14.1.10 and the AREMA C&S Manual, Part 14.1.11 . (30) Vital Signal Cables .
a.Vital signal cable shall meet the requirements of the AREMA C&S Manual, Part 10.3.17 and shall be rated for minimum life expectancy of 40 years. These cables shall be suitable for use in the environment to be encountered on a railroad signal system and shall be certified for continuous operation at 167°F in wet or dry locations with no conductor failing in continuity or with loss of insulation to cross or ground less than one meg -ohm.
b.Actual conductor size shall be calculated to suit distances and loads. Conductor sizes and cable makeup shall be detailed for appl ication of the Contractor’s final design. The Contractor shall submit voltage drop calculations and size conductors to provide minimum voltages as specified in the AREMA C&S Manual, Part 3.2.15, AREMA C&S Manual, Part 3.2.35 , and, as applicable, the AREMA C&S Manual,
Part 3 — .2.60 or the AREMA C&S Manual, Part 3.2.61 under maximum calculated
load conditions. Sizing for conductors in remaining circuits shall allow no more than a 5% voltage drop between the power source and the load under maximum calculated loa d conditions.
c.Multiconductor distribution cable containing more than two conductors shall contain a minimum of 10% spare conductors or two spare conductors, whichever is greater, except that two conductor cables shall not require spare conductors. 7-187 (31) Trench Marker Tape . The Contractor shall furnish trench marker tape for signal cable. The tape shall be bright yellow, 6 inches wide, and continuously coded in black lettering with the following legend: CAUTION CAUTION CAUTION BURIED SIGNAL CABLE (k) Site Test Equipment and Materials . (1) All test instruments and equipment necessary to conduct the tests specified herein shall be available and ready for use at least 48 hours in advance of the test being required. Ready for use shall mean properly ma tched for test parameters, properly calibrated, and sufficiently supplied with leads, probes, adapters, stands, and other accessories necessary to conduct the particular test in a completely professional manner. (2) All temporary or interim test-related materials, special tools, connections, jumpers, etc. shall be furnished and available in advance of the test being required . 7-188 This Page Intentionally Left Blank Index of Pay Items I-1 INDEX OF PAY ITEMS Pay Item Pay Unit
646.2010 4 Inch White Line, Waterborne Paint ................................ ........................ Linear Foot
646.2111 4 Inch Yellow Line, Waterborne Paint ................................ ...................... Linear Foot
680.6500 6 Inch Magnetic Information Plaque ................................ ........................ Each
646.2141 6 Inch White Line, Waterborne Paint ................................ ........................ Linear Foot
646.2151 6 Inch Yellow Line, Waterborne Paint ................................ ...................... Linear Foot
601.2603 8 Inch CPEP(SL) ................................ ................................ ....................... Linear Foot
646.2210 8 Inch White Line, Waterborne Paint ................................ ........................ Linear Foot
646.2310 8 Inch Yellow Line, Waterborne Paint ................................ ...................... Linear Foot
601.0205 12 Inch CAAP .060 (2 -2/3 × 1/2) ................................ ............................. Linear Foot
601.5205 12 Inch CAAP Elbow .060 (2 -2/3 × 1/2) ................................ .................. Each
601.0905 12 Inch CPEP ................................ ................................ ............................ Linear Foot
601.5802 12 Inch CPEP Elbow ................................ ................................ ................. Each
601.7005 12 Inch CPEPES ................................ ................................ ....................... Each
601.2605 12 Inch CPEP(SL) ................................ ................................ ..................... Linear Foot
601.5902 12 Inch CPPP Elbow ................................ ................................ ................. Each
601.710 5 12 Inch CPPPES ................................ ................................ ....................... Each
601.2805 12 Inch CPPP(SL) ................................ ................................ ..................... Linear Foot
601.0005 12 Inch CSP .064 (2 -2/3 × 1/2) ................................ ................................ .Linear Foot
601.5005 12 Inch CSP Elbow .064 (2 -2/3 × 1/2) ................................ ...................... Each
601.6005 12 Inch CSPES .064 (2 -2/3 × 1/2) ................................ ............................ Each
601.0405 12 Inch PCCSP .064 (2 -2/3 × 1/2 ) ................................ ............................ Linear Foot
601.5405 12 Inch PCCSP Elbow .064 (2 -2/3 × 1/2) ................................ ................. Each
601.0805 12 Inch RCP Class III ................................ ................................ ............... Linear Foot
601.0806 12 Inch RCP Class IV ................................ ................................ ............... Linear Foot
646.2410 12 Inch White Line, Waterborne Paint ................................ ...................... Linear Foot
646.2510 12 Inch Yellow Line, Waterborne Paint ................................ .................... Linear Foot
601.0210 15 Inch CAAP .060 (2 -2/3 × 1/2) ................................ ............................. Linear Foot
601.0211 15 Inch CAAP .075 (2 -2/3 × 1/2) ................................ .............................. Linear Foot
601.5210 15 Inch CAAP Elbow .060 (2 -2/3 × 1/2) ................................ .................. Each
601.6210 15 Inch CAAPES .060 (2 -2/3 × 1/2) ................................ ......................... Each
601.0910 15 Inch CPEP ................................ ................................ ............................ Linear Foot
601.5808 15 Inch CPEP Elbow ................................ ................................ ................. Each
601.7010 15 Inch CPEPES ................................ ................................ ....................... Each
601.2610 15 Inch CPEP(SL) ................................ ................................ ..................... Linear Foot
Index of Pay Items I-2 Pay Item Pay Unit
601.5908 15 Inch CPPP Elbow ................................ ................................ ................. Each
601.7110 15 Inch CPPPES ................................ ................................ ........................ Each
601.2810 15 Inch CPPP(SL) ................................ ................................ ..................... Linear Foot
601.0010 1 5 Inch CSP .064 (2 -2/3 × 1/2) ................................ ................................ .Linear Foot
601.0011 15 Inch CSP .079 (2 -2/3 × 1/2) ................................ ................................ .Linear Foot
601.5010 15 Inch CSP Elbow .064 (2 -2/3 × 1/2) ................................ ...................... Each
601.6010 15 Inch CSPES .064 (2 -2/3 × 1/2) ................................ ............................ Each
601.0410 15 Inch PCCSP .064 (2 -2/3 × 1/2) ................................ ............................ Linear Foot
601.54 10 15 Inch PCCSP Elbow .064 (2 -2/3 × 1/2) ................................ ................. Each
601.0810 15 Inch RCP Class III ................................ ................................ ............... Linear Foot
601.0811 15 Inch RCP Class IV ................................ ................................ ............... Linear Foot
601.6810 15 Inch RCPES Class III ................................ ................................ ........... Each
601.0215 18 Inch CAAP .060 (2 -2/3 × 1/2) ................................ ............................. Linear Foot
601.0216 18 Inch CAAP .075 (2 -2/3 × 1/2) ................................ ............................. Linear Foot
601.0217 18 Inch CAAP .105 (2 -2/3 × 1/2) ................................ ............................. Linear Foot
601.5215 18 Inch CAAP Elbow .060 (2 -2/3 × 1/2) ................................ .................. Each
601.6215 18 Inch CAAPES .060 (2 -2/3 × 1/2) ................................ ......................... Each
601.0915 18 Inch CPEP ................................ ................................ ............................ Linear Foot
601.5814 18 Inch CPEP Elbow ................................ ................................ ................. Each
601.7015 18 Inch CPEPES ................................ ................................ ....................... Each
601.2615 18 Inch CPEP(SL) ................................ ................................ ..................... Linear Foot
601.5914 18 Inch CPPP Elbow ................................ ................................ ................. Each
601.7115 18 Inch CPPPES ................................ ................................ ........................ Each
601.2815 18 Inch CPPP(SL) ................................ ................................ ..................... Linear Foot
601.0015 18 Inch CSP .064 (2 -2/3 × 1/2) ................................ ................................ .Linear Foot
601.0016 18 Inch CSP .079 (2-2/3 × 1/2) ................................ ................................ .Linear Foot
601.5015 18 Inch CSP Elbow .064 (2 -2/3 × 1/2) ................................ ...................... Each
601.6015 18 Inch CSPES .064 (2 -2/3 × 1/2) ................................ ............................ Each
601.0415 18 Inch PCCSP .064 (2 -2/3 × 1/2) ................................ ............................ Linear Foot
601.0416 18 Inch PCCSP .079 (2 -2/3 × 1/2) ................................ ............................ Linear Foot
601.5415 18 Inch P CCSP Elbow .064 (2 -2/3 × 1/2) ................................ ................. Each
601.0615 18 Inch PCCSP(PI) .064 (2 -2/3 × 1/2) ................................ ...................... Linear Foot
601.0815 18 Inch RCP Class III ................................ ................................ ............... Linear Foot
601.0816 18 Inch RCP Class IV ................................ ................................ ............... Linear Foot
601.0817 18 Inch RCP Class V ................................ ................................ ................. Linear Foot
601.6815 18 Inch RCPES Class III ................................ ................................ ........... Each
601.0820 21 Inch RCP Class III ................................ ................................ ............... Linear Foot
601.0821 21 Inch RCP Class IV ................................ ................................ ............... Linear Foot
Index of Pay Items I-3 Pay Item Pay Unit
601.0225 24 Inch CAAP .060 (2 -2/3 × 1/2) ................................ ............................. Linear Foot
601.0226 24 Inch CAAP .075 (2 -2/3 × 1/2) ................................ ............................. Linear Foot
601.0227 24 Inch CAAP .105 (2-2/3 × 1/2) ................................ ............................. Linear Foot
601.5225 24 Inch CAAP Elbow .060 (2 -2/3 × 1/2) ................................ .................. Each
601.6225 24 Inch CAAPES .060 (2 -2/3 × 1/2) ................................ ......................... Each
601.0920 24 Inch CPEP ................................ ................................ ............................ Linear Foot
601.5824 24 Inch CPEP Elbow ................................ ................................ ................. Each
601.7020 24 Inch CPEPES ................................ ................................ ....................... Each
601.2620 24 Inch CPEP(SL) ................................ ................................ ..................... Linear Foot
601.5924 24 Inch CPPP Elbow ................................ ................................ ................. Each
601.7120 24 Inch CPPPES ................................ ................................ ....................... Each
601.2820 24 Inch CPPP(SL) ................................ ................................ ..................... Linear Foot
601.0025 24 Inch CSP .064 (2 -2/3 × 1/2) ................................ ................................ .Linear Foot
601.6025 24 Inch CSPES .064 (2 -2/3 × 1/2) ................................ ............................ Each
601.0425 24 Inch PCCSP .064 (2 -2/3 × 1/2) ................................ ............................ Linear Foot
601.0426 24 Inch PCCSP .079 (2 -2/3 × 1/2) ................................ ............................ Linear Foot
601.0427 24 Inch PCCSP .109 (2 -2/3 × 1/2) ................................ ............................ Linear Foot
601.5425 24 Inch PCCSP Elbow .064 (2 -2/3 × 1/2) ................................ ................. Each
601.0625 24 Inch PCCSP(PI) .064 (2 -2/3 × 1/2) ................................ ...................... Linear Foot
601.0825 24 Inch RC P Class III ................................ ................................ ............... Linear Foot
601.0826 24 Inch RCP Class IV ................................ ................................ ............... Linear Foot
601.0827 24 Inch RCP Class V ................................ ................................ ................. Linear Foot
601.6825 24 Inch RCPES Class III ................................ ................................ ........... Each
646.2610 24 Inch Stop Bar, Waterborne Paint ................................ .......................... Linear Foot
601.0305 30 Inch CAAP .060 (3 × 1) ................................ ................................ .......Linear Foot
601.0236 30 Inch CAAP .075 (2 -2/3 × 1/2) ................................ ............................. Linear Foot
601.0306 30 Inch CAAP .075 (3 × 1) ................................ ................................ .......Linear Foot
601.0237 30 Inch CAAP .105 (2 -2/3 × 1/2) ................................ ............................. Linear Foot
601.5236 30 Inch CAAP Elbow .075 (2 -2/3 × 1/2) ................................ .................. Each
601.6236 30 Inch CAAPES .075 (2 -2/3 × 1/2) ................................ ......................... Each
601.7025 30 Inch CPEPES ................................ ................................ ....................... Each
601.2625 30 Inch CPEP(SL) ................................ ................................ ..................... Linear Foot
601.7125 30 Inch CPPPES ................................ ................................ ....................... Each
601.2825 30 Inch CPPP(SL) ................................ ................................ ..................... Linear Foot
601.0036 30 Inch CSP .079 (2 -2/3 × 1/2) ................................ ................................ .Linear Foot
601.5036 30 Inch CSP Elbow .079 (2 -2/3 × 1/2) ................................ ...................... Each
601.6036 3 0 Inch CSPES .079 (2 -2/3 × 1/2) ................................ ............................ Each
Index of Pay Items I-4 Pay Item Pay Unit
601.0436 30 Inch PCCSP .079 (2 -2/3 × 1/2) ................................ ............................ Linear Foot
601.0437 30 Inch PCCSP .109 (2 -2/3 × 1/2) ................................ ............................ Linear Foot
601.5436 30 Inch PCCSP Elbow .079 (2 -2/3 × 1/2) ................................ ................. Each
601.0636 30 Inch PCCSP(PI) .079 (2-2/3 × 1/2) ................................ ...................... Linear Foot
601.0835 30 Inch RCP Class III ................................ ................................ ............... Linear Foot
601.0836 30 Inch RCP Class IV ................................ ................................ ............... Linear Foot
601.0837 30 Inch RCP Class V ................................ ................................ ................. Linear Foot
601.6835 30 Inch RCPES Class III ................................ ................................ ........... Each
601.3236 35 Inch × 24 Inch CAAPA .075 (2 -2/3 × 1/2) ................................ ........... Linear Foot
601.8236 35 Inch × 24 Inch CAAPAES .075 (2 -2/3 × 1/2) ................................ ......Each
601.8036 35 Inch × 24 Inch CSPAES .079 (2 -2/3 × 1/2) ................................ ......... Each
601.3436 35 Inch × 24 Inch PCCSPA .079 (2 -2/3 × 1/2) ................................ ......... Linear Foot
601.0310 36 Inch CAAP .060 (3 × 1) ................................ ................................ .......Linear Foot
601.0246 36 Inch CAAP .075 (2 -2/3 × 1/2) ................................ ............................. Linear Foot
601.6246 36 Inch CAAPES .075 (2 -2/3 × 1/2) ................................ ......................... Each
601.7030 36 Inch CPEPES ................................ ................................ ....................... Each
601.2630 36 Inch CPEP(SL) ................................ ................................ ..................... Linear Foot
601.7130 36 Inch CPPPES ................................ ................................ ....................... Each
601.2830 36 Inch CPPP(SL) ................................ ................................ ..................... Linear Foot
601.0046 36 In ch CSP .079 (2 -2/3 × 1/2) ................................ ................................ .Linear Foot
601.5046 36 Inch CSP Elbow .079 (2 -2/3 × 1/2) ................................ ...................... Each
601.6046 36 Inch CSPES .079 (2 -2/3 × 1/2) ................................ ............................ Each
601.0446 36 Inch PCCSP .079 (2 -2/3 × 1/2) ................................ ............................ Linear Foot
601.0447 36 Inch PCCSP .109 (2 -2/3 × 1/2) ................................ ............................ Linear Foot
601.0646 36 Inch PCCSP(PI) .079 (2 -2/3 × 1/2) ................................ ...................... Linear Foot
601.0845 36 Inch RCP Class III ................................ ................................ ............... Linear Foot
601.0846 36 Inch RCP Class IV ................................ ................................ ............... Linear Foot
601.6845 36 Inch RCPES Class III ................................ ................................ ........... Each
601.0316 42 Inch CAAP .075 (3 × 1) ................................ ................................ .......Linear Foot
601.0252 42 Inch CAAP .105 (2 -2/3 × 1/2) ................................ ............................. Linear Foot
601.5252 42 Inch CAAP Elbow .105 (2 -2/3 × 1/2) ................................ .................. Each
601.6252 42 Inch CAAPES .105 (2 -2/3 × 1/2) ................................ ......................... Each
601.2635 42 Inch CPEP(SL) ................................ ................................ ..................... Linear Foot
601.2835 42 Inch CPPP(SL) ................................ ................................ ..................... Linear Foot
601.0052 42 Inch CSP .109 (2 -2/3 × 1/2) ................................ ................................ .Linear Foot
601.6052 42 Inch CSPES .109 (2 -2/3 × 1/2) ................................ ............................ Each
Index of Pay Items I-5 Pay Item Pay Unit
601.0452 42 Inch PCCSP .109 (2 -2/3 × 1/2) ................................ ............................ Linear Foot
601.5456 42 Inch PCCSP Elbow .109 (2 -2/3 × 1/2) ................................ ................. Each
601.0850 42 Inch RCP Class III ................................ ................................ ............... Linear Foot
601.0257 48 Inch CAAP .105 (2 -2/3 × 1/2) ................................ ............................. Linear Foot
601.6257 48 Inch CAAPES .105 (2 -2/3 × 1/2) ................................ ......................... Each
601.2640 48 Inch CPEP(SL) ................................ ................................ ..................... Linear Foot
601.0057 48 Inch CSP .109 (2 -2/3 × 1/2) ................................ ................................ .Linear Foot
601.6057 48 Inch CSPES .109 (2 -2/3 × 1/2) ................................ ............................ Each
601.0457 48 Inch PCCSP .109 (2 -2/3 × 1/2) ................................ ............................ Linear Foot
601.0657 48 Inch PCCSP(PI) .109 (2 -2/3 × 1/2) ................................ ...................... Linear Foot
601.0855 48 Inch RCP Class III ................................ ................................ ............... Linear Foot
601.6855 48 Inch RCPES Class III ................................ ................................ ........... Each
601.4252 49 Inch × 33 Inch CAAPA(SL) .105 (2 -2/3 × 1/2) ................................ ...Linear Foot
601.0262 54 Inch CAAP .105 (2 -2/3 × 1/2) ................................ ............................. Linear Foot
601.2645 54 Inch CPEP(SL) ................................ ................................ ..................... Linear Foot
601.0526 54 Inch PCCSP .079 (3 × 1) ................................ ................................ ......Linear Foot
601.0527 54 Inch PCCSP .109 (3 × 1) ................................ ................................ ......Linear Foot
601.3258 57 Inch × 38 Inch CAAPA .135 (2 -2/3 × 1/2) ................................ ........... Linear Foot
601.4258 57 Inch × 38 Inch CAAPA(S L) .135 (2 -2/3 × 1/2) ................................ ...Linear Foot
601.3457 57 Inch × 38 Inch PCCSPA .109 (2 -2/3 × 1/2) ................................ ......... Linear Foot
601.4457 57 Inch × 38 Inch PCCSPA(SL) .109 (2 -2/3 × 1/2) ................................ ..Linear Foot
601.0268 60 Inch CAAP .135 (2 -2/3 × 1/2) ................................ ............................. Linear Foot
601.2650 60 Inch CPEP(SL) ................................ ................................ ..................... Linear Foot
601.0132 60 Inch CSP .109 (3 × 1) ................................ ................................ ........... Linear Foot
601.0068 60 Inch CSP .138 (2 -2/3 × 1/2) ................................ ................................ .Linear Foot
601.0866 60 Inch RCP Class IV ................................ ................................ ............... Linear Foot
601.0870 66 Inch RCP Class III ................................ ................................ ............... Linear Foot
601.0342 72 Inch CAAP .105 (3 × 1) ................................ ................................ .......Linear Foot
601.0542 72 Inch PCCSP .109 (3 × 1) ................................ ................................ ......Linear Foot
629.2800 Adjust Elevation of Valve Box ................................ ................................ .Each
621.0220 Adjust Height of Guardrail ................................ ................................ ........ Linear Foot
415.5100 Aggregate for CCPR ................................ ................................ ................. Ton
414.5100 Aggregate for CIR ................................ ................................ ..................... Ton
402.1200 Aggregate Shoulders ................................ ................................ ................. Ton
402.1300 Aggr egate Shoulders, RAP ................................ ................................ .......Ton
401.1000 Aggregate Surface Course ................................ ................................ ......... Cubic Yard
401.1500 Aggregate Surface Course, Paths and Trails ................................ ............. Cubic Yard
Index of Pay Items I-6 Pay Item Pay Unit
608.250 1 All-Purpose Excavator Rental, Type I ................................ ....................... Hour
608.2 502 All-Purpose Excavator Rental, Type II ................................ ..................... Hour
621.1520 Anchor for Steel Beam Guardrail ................................ ............................. Each
621.1530 Anchor for Steel Beam Guardrail, MGS ................................ ................... Each
621.1 540 Anchor for Steel Beam to Box Beam Transition ................................ ......Each
418.1000 Asphaltic Approach Material ................................ ................................ ....Square Foot
662.0360 Ballasted Track Construction with CWR ................................ .................. Linear Foot
662.0350 Ballasted Track Construction with Jointed Rail ................................ ........ Linear Foot
620.8000 Barbed Wire Fence ................................ ................................ .................... Linear Foot
653.5000 Barrier Fence ................................ ................................ ............................. Linear Foot
655.0060 Bat Roosting Feature ................................ ................................ ................. Each
531.1800 Bearing Device Assembly, Elastomeric Pad w/Ext. Load Plates .............. Each
531.1500 Bearing Device Assembly, High Load Multi -Rotational .......................... Each
531.1600 Bearing Device Assembly, Plain Elastomeric Pad ................................ ....Each
531.1700 Bearing Device Assembly, Steel Reinforced Elastomeric Pad ................. Each
681.2010 Bicycle Rack ................................ ................................ ............................. Each
654.0060 Bioretention Area ................................ ................................ ...................... Square Yard
616.3 101 Bituminous Concrete Curb, Type A ................................ .......................... Linear Foot
616.31 02 Bituminous Concrete Curb, Type B ................................ .......................... Linear Foot
616.4700 Bituminous Concrete Gutters and Traffic Islands ................................ .....Ton
406.3400 Bi tuminous Concrete Pavement, Non -Paver Placed, Type IVS ............... Square Yard
406.2400 Bituminous Concrete Pavement, Surface Preparation, Type IVS ............. Ton
406.0110 Bituminous Concrete Pavement, Type IS, QA Tier I ................................ Ton
406.0120 Bituminous Concrete Pavement, Type IS, QA Tier II ............................... Ton
406.0130 Bituminous Concrete Pavement, Type IS, QA Tier III ............................. Ton
406.0210 Bituminous Concrete Pavement, Type IIS, QA Tier I ............................... Ton
406.0220 Bituminous Concrete Pavement, Type IIS, QA Tier II ............................. Ton
406.0230 Bituminous Concrete Pavement, Type IIS, QA Tier III ............................ Ton
406.0310 Bituminous Concrete Pavement, Type IIIS, QA Tier I ............................. Ton
406.0320 Bituminous Concrete Pavement, Type IIIS, QA Tier II ............................ Ton
406.0330 Bituminous Concrete Pavement, Type IIIS, QA Tier III ........................... Ton
406.0410 Bituminous Concrete Pavement, Type IVS, QA Tier I ............................. Ton
406.0420 Bituminous Concrete Pavement, Type IVS, QA Tier II ............................ Ton
406.0430 Bituminous Concrete Pavement, Type IVS, QA Tier III .......................... Ton
406.1410 Bituminous Concrete Pavement, Type IVSB, QA Tier I .......................... Ton
406.1420 Bituminous Concr ete Pavement, Type IVSB, QA Tier II ......................... Ton
406.1430 Bituminous Concrete Pavement, Type IVSB, QA Tier III ........................ Ton
Index of Pay Items I-7 Pay Item Pay Unit
618.1500 Bituminous Concrete Sidewalk ................................ ................................ .Ton
417.1000 Bituminous Crack Sealing ................................ ................................ ........ Pound
417.2000 Bituminous Crack Sealing, “Blow a nd Go ” Method ................................ Pound
629.3000 Blow -Off Assembly ................................ ................................ .................. Each
629.3100 Blow -Off Assembly, All -Inclusive ................................ ........................... Each
619.1400 Bollards ................................ ................................ ................................ .....Each
407.0100 Bonded Wearing Course, Type A ................................ .............................. Square Yard
407.0200 Bonded Wearing Course, Type B ................................ .............................. Square Yard
407.0300 Bonded Wearing Co urse, Type C ................................ .............................. Square Yard
619.1000 Boundary Markers ................................ ................................ .................... Each
621.2300 Box Beam Guardrail ................................ ................................ ................. Linear Foot
621.6021 Box Beam Guardrail End Assembly, Type IIA ................................ ........ Each
620.200 4 Bracing Assembly for Chain -Link Fence, 4 Foot ................................ .....Each
620.2 006 Bracing Assembly for Chain -Link Fence, 6 Foot ................................ .....Each
620.2 008 Bracing Assembly for Chain -Link Fence, 8 Foot ................................ .....Each
679.4700 Bracket Arm ................................ ................................ .............................. Each
516.1000 Bridge Expansion Joint, Asphaltic Plug ................................ .................... Linea r Foot
516.1200 Bridge Expansion Joint, Finger Plate ................................ ........................ Linear Foot
516.1100 Bridge Expansion Joint, Vermont ................................ ............................. Linear Foot
525.4030 Bridge Railing, Aluminum 3 Rail ................................ ............................. Linear Foot
525.4130 Bridge Railing, Aluminum 3 Rail, Pedestrian ................................ .......... Linear Foot
525.5300 Bridge Railing, Concrete F -Shape ................................ ............................ Linear Foot
525.5400 Bridge Railing, Concrete Single Slope ................................ ..................... Linear Foot
525.5500 Bridge Railing, Concrete Vertical Face ................................ .................... Linear Foot
525.6200 Bridge Railing, Covered Bridge ................................ ............................... Linear Foot
525.3000 Bridge Railing, Fascia Mounted ................................ ............................... Linear Foot
525.3120 Bridge Railing, Galvanized 2 Rail Box Beam ................................ .......... Linear Foot
525.3130 Bridge Railing, Galvanized 3 Rail Box Beam ................................ .......... Linear Foot
525.3230 Bridge Railing, Galvanized 3 Rail Box Beam, Curbless .......................... Linear Foot
525.3140 Bridge Railing, Galvanized 4 Ra il Box Beam ................................ .......... Linear Foot
525.4400 Bridge Railing, Galvanized HDSB/Fascia Mounted/Steel Tubing ........... Linear Foot
525.5 000 Bridge Railing, Galvanized Steel Tubing/Concrete Combination ............ Linear Foot
525.5100 Bridge Railing, Galv. Steel Hand Rail/Conc. Parapet Comb. ................... Linear Foot
525.6100 Bridge Railing, Metal Truss Bridge ................................ .......................... Linear Foot
525.5210 Bridge Railing, Texas Rail without Windows ................................ ........... Linear Foot
525.5200 Bridge Railing, Texas Rail with Windows ................................ ................ Linear Foot
Index of Pay Items I-8 Pay Item Pay Unit
525.1310 Bridge Rail ing Repair, Box Beam, Type I ................................ ................ Linear Foot
525.1320 Bridge Rail ing Repair, Box Beam, Type II ................................ ............... Linear Foot
525.1330 Bridge Rail ing Repair, Box Beam, Type III ................................ ............. Linear Foot
525.1210 Bridge Rail ing Repair, HDSB, Type I ................................ ...................... Linear Foot
525.1220 Bridge Rail ing Repair, HDSB, Type II ................................ ..................... Linear Foot
525.1230 Bridge Rail ing Repair, HDSB, Type III ................................ .................... Linear Foot
608.100 1 Bulldozer Rental, Type I ................................ ................................ ........... Hour
608.1 002 Bulldozer Rental, Type II ................................ ................................ .......... Hour
680.2500 Business Directional Sign ................................ ................................ ......... Square Foot
590.0010 Bus Shelter ................................ ................................ ................................ Each
678.2005 Cabi net Assembly ................................ ................................ ..................... Each
311.5100 Calcium Chloride for FDR, Calcium Chloride ................................ ......... Gallon
604.6000 Cap Drop Inlet ................................ ................................ ........................... Each
604.5500 Cast Iron Cover with Frame ................................ ................................ ......Each
604.5600 Cast Iron Cover with Frame, Sewer ................................ .......................... Each
604.490 3 Cast Iron Grate, Type C ................................ ................................ ............ Each
604.450 1 Cast Iro n Grate with Frame, Type A ................................ ......................... Each
604.4 502 Cast Iron Grate with Frame, Type B ................................ ......................... Each
604.4 504 Cast Iron Grate with Frame, Type D ................................ ......................... Each
604.4 505 Cast Iron Grate with Frame, Type E ................................ ......................... Each
616.270 1 Cast-In-Place Concrete Curb, Type A ................................ ....................... Linear Foot
616.2 702 Cast-In-Place Concrete Curb, Type B ................................ ....................... Linear Foot
602.1500 Cement Masonry ................................ ................................ ....................... Cubic Yard
620.1 004 Chain -Link Fence, 4 Foot ................................ ................................ ......... Linear Foot
620.1 006 Chain -Link Fence, 6 Foot ................................ ................................ ......... Linear Foot
620.1 008 Chain -Link Fence, 8 Foot ................................ ................................ ......... Linear Foot
604.4000 Changing Elevation of DIs, Catch Basins, or Manholes .......................... Each
604.4200 Changing Elevation of Sewer Manholes ................................ ................... Each
203.2500 Channel Excavation of Earth ................................ ................................ ....Cubic Yard
203.2600 Channel Excavation of Rock ................................ ................................ ....Cubic Yard
653.250 1 Check Dam, Type I ................................ ................................ ................... Cubic Yard
653.2 502 Check Dam, Type II ................................ ................................ .................. Cubic Yard
653.2503 Check Dam, Type III ................................ ................................ ................. Each
199.5204 Claim Decision Attorney Fees (N.A.B.I.) ................................ ................. Dollar
199.5205 Claim Decision Interest Payment (N.A.B.I.) ................................ ............ Dollar
199.5203 Claim Decision, Judicial (N.A.B.I.) ................................ .......................... Dollar
199.5201 Claim Decision Payment, Administr ative (N.A.B.I.) ............................... Dollar
199.5202 Claim Settlement, Administrative (N.A.B.I.) ................................ ........... Dollar
Index of Pay Items I-9 Pay Item Pay Unit
601.9950 Cleaning Culvert Pipe, In -Place (0 to 24 Inches, Inclusive) ..................... Linear Foot
601.9960 Cleaning Culvert Pipe, In -Place (Greater than 24 Inches) ........................ Linear Foot
201.1000 Clearing and Grubbing, Including Individual Trees and Stumps ............. Lump Sum
201.1100 Clearing and Grubbing, Including Individual Trees and Stumps .............. Acre
210.1000 Coarse -Milling, Bituminous Pavement ................................ ..................... Square Yard
208.4000 Cofferdam ................................ ................................ ................................ .Lump Sum
208.3000 Cofferdam Excavation, Earth ................................ ................................ ....Cubic Yard
208.3500 Cofferdam Excavation, Rock ................................ ................................ ....Cubic Yard
415.0200 Cold Central Plant Recycling, 2 Inch Depth ................................ ............. Square Yard
415.0250 Cold Central Plant Recycling, 2.5 Inch Depth ................................ .......... Square Yard
415.0300 Cold Central Plant Recycling, 3 Inch Depth ................................ ............. Square Yard
415.0350 Cold Central Plant Recycling, 3.5 Inch Depth ................................ .......... Square Yard
415.0400 Cold Central Plant Recycling, 4 Inch Depth ................................ ............. Square Yard
415.0450 Cold Central Plant Recycling, 4.5 Inch Depth ................................ .......... Square Yard
415.0500 Cold Central Plant Recycling, 5 Inch Depth ................................ ............. Square Yard
414.0200 Cold In -Place Recycling, 2 Inch Depth ................................ .................... Square Yard
414.0250 Cold In -Place Recycling, 2.5 Inch Depth ................................ ................. Square Yard
414.0300 Cold In -Place Recycling, 3 Inch Depth ................................ .................... Square Yard
414.0350 Cold In -Place Recycling, 3.5 Inch Depth ................................ ................. Square Yard
414.0400 Cold In -Place Recycling, 4 Inch Depth ................................ .................... Square Yard
414.0450 Cold In -Place Recycling, 4.5 Inch Depth ................................ ................. Square Yard
414.0500 Cold In -Place Recycling, 5 Inch Depth ................................ .................... Square Yard
646.9000 Colored Pavement Markings ................................ ................................ .....Square Foot
646.9001 Colored Pavement Markings, Green ................................ ......................... Square Foot
203.1500 Common Excavation ................................ ................................ ................. Cubic Yard
625.7040 Communications Vault ................................ ................................ .............. Each
667.0015 Compromise Joint Bar Sets ................................ ................................ .......Each
509.1500 Concrete Bridge Deck Surface Preparation ................................ .............. Square Foot
604.1000 Concrete Catch Basin with Cast Iron Grate ................................ .............. Each
541.2100 Concrete, Class A ................................ ................................ ...................... Cubic Yard
541.2000 Concrete, Class AA ................................ ................................ ................... Cubic Yard
541.2200 Concrete, Class B ................................ ................................ ...................... Cubic Yard
541.2300 Concrete, Class C ................................ ................................ ...................... Cubic Yard
541.2400 Concrete, Class D ................................ ................................ ...................... Cubic Yard
541.1000 Con crete, Class HPAA ................................ ................................ .............. Cubic Yard
541.1100 Concrete, Class HPA ................................ ................................ ................. Cubic Yard
541.1200 Concrete, Class HPB ................................ ................................ ................. Cubic Yard
541.2900 Concrete, Class LW ................................ ................................ .................. Cubic Yard
541.2800 Concrete, Class SCC ................................ ................................ ................. Cubic Yard
Index of Pay Items I-10 Pay Item Pay Unit
625.4000 Concrete Encased Conduit ................................ ................................ ........ Linear Foot
625.4004 Concrete Encased Conduit, 1 to 4 Conduits ................................ ............. Linear Foot
625.4008 Concrete Encased Conduit, 5 to 8 Conduits ................................ ............. Linear Foot
625.4012 Concrete Encased Conduit, 9 to 12 Conduits ................................ ........... Linear Foot
604.1100 Concrete Manhole with Cast Iron Cover ................................ .................. Each
580.1201 Concrete Repair Material, Type I ................................ ............................. Cubic Foot
580.1202 Concrete Repair Material, Type II ................................ ............................ Cubic Foot
580.1203 Concrete Repair Material, Type III ................................ ........................... Cubic Foot
580.1204 Concrete Repair Material, Type IV ................................ .......................... Cubic Yard
250.0100 Construction Vibration and Crack Monitoring ................................ ......... Lump Sum
543.1000 Contractor -Fabricated Precast Concrete Structure ................................ ....Lump Sum
602.4500 Coring Concrete ................................ ................................ ........................ Each
629.2000 Corporation Stop ................................ ................................ ....................... Each
629.2003 Corporation Stop, 0.75 Inch ................................ ................................ ......Each
629.2004 Corporation Stop, 1 Inch ................................ ................................ ........... Each
629.2005 Corporation Stop, 1.25 Inch ................................ ................................ ......Each
629.2006 Corporation Stop, 1.5 Inch ................................ ................................ ........ Each
629.2007 Corporation Stop, 1.75 Inch ................................ ................................ ......Each
629.2008 Corporation Stop, 2 Inch ................................ ................................ ........... Each
629.2100 Corporation Stop, All -Inclusive ................................ ................................ Each
629.2103 Corporation Stop, All-Inclusive, 0.75 Inch ................................ ............... Each
629.2104 Corporation Stop, All -Inclusive, 1 Inch ................................ .................... Each
629.2105 Corporation Stop, All -Inclusive, 1.25 Inch ................................ ............... Each
629.2106 Corporation Stop, All -Inclusive, 1.5 Inch ................................ ................. Each
629.2107 Corporation Stop, All -Inclusive, 1.75 Inch ................................ ............... Each
629.2108 Corporation Stop, All -Inclusive, 2 Inch ................................ .................... Each
404.8100 Cover Material, Sand ................................ ................................ ................ Pound
633.1000 CPM Schedule ................................ ................................ .......................... Each
646.3110 Crosswalk Marking, Waterborne Paint ................................ ..................... Linear Foot
629.0500 Crushed Stone Bedding ................................ ................................ ............. Cubic Yard
248.5700 Datalogger ................................ ................................ ................................ .Each
656.350 0 Deciduous Shrubs ................................ ................................ ..................... Each
656.3003 Deciduous Trees, Large ................................ ................................ ............ Each
656.3002 Deciduous Trees, Medium ................................ ................................ ........ Each
656.3001 Deciduous Trees, Small ................................ ................................ ............ Each
604.6500 Decommission Drop Inlet ................................ ................................ ......... Each
676.2000 Delineator with Flexible Post ................................ ................................ ....Each
676.1000 Delineator with Steel Post ................................ ................................ ......... Each
Index of Pay Items I-11 Pay Item Pay Unit
202.1000 Demolition and Disposal of Building ................................ ....................... Each
618.3000 Detectable Warning Surface ................................ ................................ ......Square Foot
625.5000 Direct Burial Conduit ................................ ................................ ................ Linear Foot
625.5004 Direct Burial Conduit, 1 to 4 Conduits ................................ ..................... Linear Foot
625.5008 Direct Burial Conduit, 5 to 8 Conduits ................................ ..................... Linear Foot
625.5012 Direct Burial Conduit, 9 to 12 Conduits ................................ ................... Linear Foot
230.0010 Disposal of Contaminated Materials (N.A.B.I.) ................................ .......Dollar
503.1000 Drilled Shaft in Earth ................................ ................................ ................ Linear Foot
503.1500 Drilled Shaft in Rock ................................ ................................ ................ Linear Foot
503.2000 Drilled Shaft Obstruction Drilling and Removal ................................ ......Linear Foot
205.1000 Drilling and Blasting of Solid Rock Subgrade ................................ ......... Square Yard
205.2000 Drilling and Blasting Using Perimeter Control ................................ ........ Cubic Yard
507.1600 Drilling and Grouting Dowels ................................ ................................ ..Linea r Foot
620.3000 Drive Gate for Woven Wire Fence ................................ ............................ Each
602.2000 Dry Masonry ................................ ................................ ............................. Cubic Yard
654.0010 Dry Swale ................................ ................................ ................................ ..Linear Foot
654.0015 Dry Swale with Underdrain ................................ ................................ ......Linear Foot
628.1600 Ductile Iron Sewer Pipe, Cement -Lined ................................ ................... Linear Foot
628.1624 Ductile Iron Sewer Pipe, Cement -Lined, 6 Inch ................................ .......Linear Foot
628.1632 Ductile Iron Sewer Pipe, Cement -Lined, 8 Inch ................................ .......Linear Foot
628.1640 Ductile Iron Sewer Pipe, Cement -Lined, 10 Inch ................................ .....Linear Foot
628.1648 Ductile Iron Sewer Pipe, Cement -Lined, 12 Inch ................................ .....Linear Foot
628.1660 D uctile Iron Sewer Pipe, Cement -Lined, 15 Inch ................................ .....Linear Foot
628.1672 Ductile Iron Sewer Pipe, Cement -Lined, 18 Inch ................................ .....Linear Foot
628.1696 Ductile Iron Sewer Pipe, Cement -Lined, 24 Inch ................................ .....Linear Foot
628.1700 Ductile Iron Sewer Pipe, Cement -Lined, All -Inclusive ............................ Linear Foot
628.1724 Ductile Iron Sewer Pipe, Cement -Lined, All -Inclusive, 6 In. .................. Linear Foot
628.1732 Ductile Iron Sewer Pipe, Cement -Lined, All -Inclusive, 8 In. .................. Linear Foot
628.1740 Ductile Iron Sewer Pipe, Cement -Lined, All -Inclusive, 10 In. ................ Linear Foot
628.1748 Ductile Iron Sewer Pipe, Cement -Lined, All -Inclusive, 12 In. ................ Linear Foot
628.1760 Ductile Iron Sewer Pipe, Cement -Lined, All -Inclusive, 15 In. ................ Linear Foot
628.1772 Ductile Iron Sewer Pipe, Cement -Lined, All -Inclus ive, 18 In. ................ Linear Foot
628.1796 Ductile Iron Sewer Pipe, Cement -Lined, All -Inclusive, 24 In. ................ Linear Foot
629.1600 Ductile Iron Water Pipe, Cement -Lined ................................ ................... Linear Foot
629.1612 Ductile Iron Water Pipe, Cement -Lined, 3 Inch ................................ .......Linear Foot
629.1616 Ductile Iron Water Pipe, Cement -Lined, 4 Inch ................................ .......Linear Foot
629.1624 Ductile Iron Water Pipe, Cement -Lined, 6 Inch ................................ .......Linear Foot
Index of Pay Items I-12 Pay Item Pay Unit
629.1632 Ductile Iron Water Pipe, Cement -Lined, 8 Inch ................................ .......Linear Foot
629.1640 Ductile Iron Water Pipe, Cemen t-Lined, 10 Inch ................................ .....Linear Foot
629.1648 Ductile Iron Water Pipe, Cement -Lined, 12 Inch ................................ .....Linear Foot
629.1700 Ductile Iron Water Pipe, Cement -Lined, All -Inclusive ............................ Linear Foot
629.1712 Ductile Iron Water Pipe, Cement -Lined, All -Inclusive, 3 In. ................... Linear Foot
629.1716 Ductile Iron Water Pipe, Cement -Lined, All -Inclusive, 4 In. ................... Linear Foot
629.1724 Ductile Iron Water Pipe, Cement -Lined, All -Inclusive, 6 In. ................... Linear Foot
629.1732 Ductile Iron Water Pipe, Cement -Lined, All -Inclusive, 8 In. ................... Linear Foot
629.1740 Ductile Iron Water Pipe, Cement -Lined, All -Inclusive, 10 In. ................. Linear Foot
629.1748 Ductile Iron Water Pipe, Cement -Lined, All -Inclusive, 12 In. ................. Linear Foot
646.4030 Durable 4 Inch White Line, Epoxy Paint ................................ .................. Linear Foot
646.4040 Durable 4 Inch White Line, Po lyurea ................................ ....................... Linear Foot
646.4090 Durable 4 Inch White Line, Recessed Epoxy Paint ................................ ..Linear Foot
646.4060 Durable 4 Inch White Line, Recessed Polyurea ................................ .......Linear Foot
646.4080 Durable 4 Inch White Line, Recessed Thermoplastic ............................... Linear Foot
646.4071 Durable 4 Inch Whi te Line, Recessed Type A Tape ................................ ..Linear Foot
646.4072 Durable 4 Inch White Line, Recessed Type B Tape ................................ .Linear Foot
646.4020 Durable 4 Inch White Line, Thermoplastic ................................ .............. Linear Foot
646.4130 Durable 4 Inch Yellow Line, Epoxy Paint ................................ ................ Linear Foot
646.4140 Durable 4 Inch Yellow Line, Polyurea ................................ ...................... Linear Foot
646.4190 Durable 4 Inch Yellow Line, Recessed Epoxy Paint ................................ Linear Foot
646.4160 Durable 4 Inch Yellow Line, Recessed Polyurea ................................ ......Linear Foot
646.4180 Durable 4 Inch Yellow Line, Recessed Thermoplastic ............................. Linear Foot
646.4171 Durable 4 Inch Yellow Line, Recessed Type A Tape ................................ Linear Foot
646.4172 Durable 4 Inch Yellow Line, Recessed Type B Tape ................................ Linear Foot
646.4120 Durable 4 Inch Yellow Line, Thermoplastic ................................ ............. Linear Foot
646.4230 Durable 6 Inch White Line, Epoxy Paint ................................ .................. Linea r Foot
646.4240 Durable 6 Inch White Line, Polyurea ................................ ....................... Linear Foot
646.4290 Durable 6 Inch White Line, Recessed Epoxy Paint ................................ ..Linear Foot
646.4260 Durable 6 Inch White Line, Recessed Polyurea ................................ .......Linear Foot
646.4280 Durable 6 Inch White Line, Recessed Thermopl astic ............................... Linear Foot
646.4271 Durable 6 Inch White Line, Recessed Type A Tape ................................ ..Linear Foot
646.4272 Durable 6 Inch White Line, Recessed Type B Tape ................................ .Linear Foot
646.4220 Durable 6 Inch White Line, Thermoplastic ................................ .............. Linear Foot
646.4330 Durable 6 Inch Yellow Line, Epoxy Paint ................................ ................ Linear Foot
646.4340 Durable 6 Inch Yellow Line, Polyurea ................................ ...................... Linear Foot
Index of Pay Items I-13 Pay Item Pay Unit
646.4390 Durable 6 Inch Yellow Line, Recessed Epoxy Paint ................................ Linear Foot
646.4360 Durable 6 Inch Yellow Line, Recessed Polyurea ................................ ......Linear Foo t
646.4380 Durable 6 Inch Yellow Line, Recessed Thermoplastic ............................. Linear Foot
646.4371 Durable 6 Inch Yellow Line, Recessed Type A Tape ................................ Linear Foot
646.4372 Durable 6 Inch Yellow Line, Recessed Type B Tape ................................ Linear Foot
646.4320 Durable 6 Inch Yellow Line, T hermoplastic ................................ ............. Linear Foot
646.4430 Durable 8 Inch White Line, Epoxy Paint ................................ .................. Linear Foot
646.4440 Durable 8 Inch White Line, Polyurea ................................ ....................... Linear Foot
646.4490 Durable 8 Inch White Line, Recessed Epoxy Paint ................................ ..Linear Foot
646.4460 Durable 8 Inch White Line, Reces sed Polyurea ................................ .......Linear Foot
646.4480 Durable 8 Inch White Line, Recessed Thermoplastic ............................... Linear Foot
646.4471 Durable 8 Inch White Line, Recessed Type A Tape ................................ ..Linear Foot
646.4472 Durable 8 Inch White Line, Recessed Type B Tape ................................ .Linear Foot
646.4420 Durable 8 Inch White Line, Thermoplastic ................................ .............. Linear Foot
646.4530 Durable 8 Inch Yellow Line, Epoxy Paint ................................ ................ Linear Foot
646.4540 Durable 8 Inch Yellow Line, Polyurea ................................ ...................... Linear Foot
646.4590 Durable 8 Inch Yellow Line, Recessed Epoxy Paint ................................ Linear Foot
646.4560 Durable 8 Inch Yellow Line, Recessed Polyurea ................................ ......Linear Foot
646.4580 Durable 8 Inch Yellow Line, Recessed Thermoplastic ............................. Linear Foot
646.4571 Durable 8 Inch Yellow Line, Recessed Type A Tape ................................ Linear Foot
646.4572 Durable 8 Inch Yellow Line, Recessed Type B Tape ................................ Linear Foot
646.4520 Durable 8 Inch Yellow Line, Thermoplastic ................................ ............. Linear Foot
646.4630 Durable 12 Inch White Line, Epoxy Paint ................................ ................ Linear Foot
646.4640 Durable 12 Inch White Line, Polyurea ................................ ..................... Linear Foot
646.4690 Durable 12 Inch White Line, Recessed Epoxy P aint ................................ Linear Foot
646.4660 Durable 12 Inch White Line, Recessed Polyurea ................................ .....Linear Foot
646.4680 Durable 12 Inch White Line, Recessed Thermoplastic ............................. Linear Foot
646.4671 Durable 12 Inch White Line, Recessed Type A Tape ................................ Linear Foot
646.4672 Durable 12 Inch W hite Line, Recessed Type B Tape ............................... Linear Foot
646.4620 Durable 12 Inch White Line, Thermoplastic ................................ ............ Linear Foot
646.4730 Durable 12 Inch Yellow Line, Epoxy Paint ................................ .............. Linear Foot
646.4740 Durable 12 Inch Yellow Line, Polyurea ................................ .................... Linear Foot
646.4790 Durable 12 Inch Yellow Line, Recessed Epoxy Paint .............................. Linear Foot
646.4760 Durable 12 Inch Yellow Line, Recessed Polyurea ................................ ....Linear Foot
646.4780 Durable 12 Inch Yellow Line, Recessed Thermoplastic ........................... Linear Foot
646.4771 Durable 12 Inch Yellow Line, Recessed Type A Tape .............................. Linear Foot
646.4772 Durable 12 Inch Yellow Line, Recessed Type B Tape .............................. Linear Foot
646.4720 Durable 12 Inch Yellow Line, Thermoplastic ................................ ........... Linear Foot
Index of Pay Items I-14 Pay Item Pay Unit
646.4830 Durable 24 Inch Stop Bar, Epoxy Paint ................................ .................... Linear Foot
646.4840 Durable 24 Inch Stop Bar, Polyurea ................................ ......................... Linear Foot
646.4860 Durable 24 Inch Stop Bar, Recessed Polyurea ................................ ......... Linear Foot
646.4890 Durable 24 Inch Stop Bar, Recessed Epoxy Paint ................................ ....Linear Foot
646.4880 Durable 24 Inch Stop Bar, Recessed Thermoplastic ................................ .Linear Foot
646.4871 Durable 2 4 Inch Stop Bar, Recessed Type A Tape ................................ ....Linear Foot
646.4872 Durable 24 Inch Stop Bar, Recessed Type B Tape ................................ ....Linear Foot
646.4820 Durable 24 Inch Stop Bar, Thermoplastic ................................ ................. Linear Foot
646.5030 Durable Crosswalk Marking, Epoxy Paint ................................ ............... Linear Foot
646.5040 Dura ble Crosswalk Marking, Polyurea ................................ ..................... Linear Foot
646.5090 Durable Crosswalk Marking, Recessed Epoxy Paint ............................... Linear Foot
646.5060 Durable Crosswalk Marking, Recessed Polyurea ................................ .....Linear Foot
646.5080 Durable Crosswalk Marking, Recessed Thermoplastic ............................ Linear Foot
646.5071 Durable Crosswalk Marking, Recessed Type A Tape ............................... Linear Foot
646.5072 Durable Crosswalk Marking, Recessed Type B Tape ............................... Linear Foot
646.5020 Durable Crosswalk Marking, Thermoplastic ................................ ............ Linear Foot
646.4930 Durable Letter or Symbol, Epoxy Paint ................................ .................... Each
646.4940 Durable Letter or Symbol, Polyurea ................................ ......................... Each
646.4990 Durable Letter or Symbol, Recessed Epoxy Paint ................................ ....Each
646.4960 Durable Letter or Symbol, Recessed Polyurea ................................ ......... Each
646.4980 Durable Letter or Symbol, Recessed Thermoplastic ................................ Each
646.4971 Durable Letter or Symbol, Recessed Type A Tape ................................ ...Each
646.4972 Durable Letter or Symbol, Recessed Type B Tape ................................ ...Each
646.4920 Durable Letter or Symbol, Thermoplastic ................................ ................ Each
646.5130 Durable Railroad Crossing Symbol, Epoxy Paint ................................ .....Each
646.5140 Durable Railroad Crossing Symbol, Polyurea ................................ .......... Each
646.5190 Durable Railroad Crossing Symbol, Recessed Epoxy Paint ..................... Each
646.5160 Durable Railroad Crossing Symbol, Recessed Polyurea .......................... Each
646.5180 Durable Railroad Crossing Symbol, Recessed Thermoplastic ................. Each
646.5171 Durabl e Railroad Crossing Symbol, Recessed Type A Tape .................... Each
646.5172 Durable Railroad Crossing Symbol, Recessed Type B Tape .................... Each
646.5120 Durable Railroad Crossing Symbol, Thermoplastic ................................ .Each
609.1500 Dust Control with Calcium Chloride ................................ ........................ Ton
609.1000 Dust Contr ol with Water ................................ ................................ ........... MGAL
505.4500 Dynamic Pile Loading Test ................................ ................................ .......Each
203.3000 Earth Borrow ................................ ................................ ............................. Cubic Yard
625.7045 Electrical Vault ................................ ................................ .......................... Each
Index of Pay Items I-15 Pay Item Pay Unit
678.2050 Emergency Vehicle Preemption System ................................ ................... Each
634.1000 Employee Traineeship ................................ ................................ ............... Hour
415.5300 Emulsified Asphalt for CCPR ................................ ................................ ...Hundredweight
414.5300 Emulsified Asphalt for CIR ................................ ................................ ......Hundredweight
312.5100 Emulsified Asphalt for FDR, Emulsion ................................ .................... Hundredweight
621.7120 Energy Absorption Attenuator, Permanent, TL -2 ................................ .....Each
621.7130 Energy Absorption Attenuator, Permanent, T L-3 ................................ .....Each
621.7020 Energy Absorption Attenuator, Temporary, TL -2 ................................ ....Each
621.7030 Energy Absorption Attenuator, Temporary, TL -3 ................................ ....Each
230.0050 Environmental Oversight ................................ ................................ .......... Hour
653.0100 EPSC Plan ................................ ................................ ................................ .Lump Sum
613.0601 E -Stone Fill, Type I ................................ ................................ ................... Cubic Yard
613.0602 E -Stone Fill, Type II ................................ ................................ .................. Cubic Yard
613.0603 E -Stone Fill, Type III ................................ ................................ ................ Cubic Yard
613.0604 E -Stone Fill, Type IV ................................ ................................ ................ Cubic Yard
653.6000 Erosion Log ................................ ................................ ............................... Linear Foot
656.2500 Evergreen Shrubs ................................ ................................ ...................... Each
656.2003 Evergreen Trees, Large ................................ ................................ ............. Each
656.2002 Evergreen Trees, Medium ................................ ................................ ......... Each
656.2001 Evergreen Trees, Small ................................ ................................ ............. Each
203.2800 Excavation of Surfaces and Pavements ................................ .................... Cubic Yard
629.4000 Expansion Assembly ................................ ................................ ................. Each
629.2200 Extension Service Box and Curb Stop ................................ ...................... Each
629.2203 Extension Service Box and Curb Stop, 0.75 Inch ................................ .....Each
629.2204 Extension Service Box and Curb Stop, 1 Inch ................................ .......... Each
629.2205 Extension Service Box and Curb Stop, 1.25 Inch ................................ .....Each
629.2206 Extension Service Box and Curb Stop, 1.5 Inch ................................ .......Each
629.2207 Extension Service Box and Curb Stop, 1.75 Inch ................................ .....Each
629.2208 Extension Service Box and Curb Stop, 2 Inch ................................ .......... Each
629.2300 Extension Service Box and Curb Stop, All -Inclusive ............................... Each
629.2303 Extension Service Box and Curb Stop, All -Inclusive, 0.75 In. ................ Each
629.2304 Extension Service Box and Curb Stop, All -Inclusive, 1 In. ..................... Each
629.2305 Extension Service Box and Curb Stop, All -Inclusive, 1.25 In. ................ Each
629.2306 Extension Service Box and Curb Stop, All -Inclusive, 1.5 In. .................. Each
629.2307 Extension Service Box and Curb Stop, All -Inclusive, 1.75 In. ................ Each
629.2308 Extension Service Box and Curb Stop, All -Inclusive, 2 In. ..................... Each
Index of Pay Items I-16 Pay Item Pay Unit
631.2600 Field Office Communications (N.A.B.I.) ................................ ................. Dollar
631.1000 Field Office, Engineer’s ................................ ................................ ............ Lump Sum
631.1100 Field Office, Soils and Materials ................................ .............................. Lump Sum
513.103 0 Field Painting Steel, Three Coat System ................................ .................. Lump Sum
653.4500 Filter Bag ................................ ................................ ................................ ..Each
210.1200 Fine -Milling, Bituminous Pavement ................................ ......................... Square Yard
630.1500 Flaggers ................................ ................................ ................................ .....Hour
678.2035 Flashing Beacon, Aerial Mounted ................................ ............................. Each
541.4500 Flowable Fill ................................ ................................ ............................. Cubic Yard
541.4600 Flowab le Fill, Excavatable ................................ ................................ ........ Cubic Yard
415.5400 Foamed Asphalt for CCPR ................................ ................................ ........ Hundredweight
414.5400 Foamed Asphalt for CIR ................................ ................................ ........... Hundredweight
404.3100 Fog Seal, Emulsified Asphalt ................................ ................................ ....Hundredweight
199.9061 Force Account Work (N.A.B.I.) ................................ ................................ Dollar
675.4300 Foundation for Tubu lar Steel Post ................................ ............................ Each
675.4100 Foundation for W -Shape Steel Post, 24 Inch Diameter ............................ Each
675.4200 Foundation for W -Shape Steel Post, 30 Inch Diameter ............................ Each
310.0100 Full Depth Reclamation ................................ ................................ ............ Square Yard
311.0100 Full Depth Reclamation, Calcium Chloride ................................ .............. Square Yard
312.0100 Full Depth Reclamation, Emulsion ................................ ........................... Square Yard
504.1000 Furnishing Equipment for Driving Piling ................................ ................. Lump Sum
662.0450 Gaging Track ................................ ................................ ............................. Linear Foot
620.150 4 Gate for Chain -Link Fence, 4 Foot ................................ ........................... Linear Foot
620.1 506 Gate for Chain -Link Fence, 6 Foot ................................ ........................... Linear Foot
620.1 508 Gate for Chain -Link Fence, 8 Foot ................................ ........................... Linear Foot
629.2400 Gate Valve with Valve Box ................................ ................................ ......Each
629.2412 Gate Valve with Valve Box, 3 Inch ................................ .......................... Each
629.2416 Gate Valve with Valve Box, 4 Inch ................................ .......................... Each
629.2424 Gate Valve with Valve Box , 6 Inch ................................ .......................... Each
629.2432 Gate Valve with Valve Box, 8 Inch ................................ .......................... Each
629.2440 Gate Valve with Valve Box, 10 Inch ................................ ........................ Each
629.2448 Gate Valve with Valve Box, 12 Inch ................................ ........................ Each
629.2500 Gate Valve with Valve Box, All -Inclusive ................................ ............... Each
629.2512 Gate Valve with Valve Box, All-Inclusive, 3 Inch ................................ ...Each
629.2516 Gate Valve with Valve Box, All -Inclusive, 4 Inch ................................ ...Each
629.2524 Gate Valve with Valve Box, All -Inclusive, 6 Inch ................................ ...Each
629.2532 Gate Valve with Valve Box, All -Inclusive, 8 Inch ................................ ...Each
629.2540 Gate Valve with Valve Box, All-Inclusive, 10 Inch ................................ .Each
629.2548 Gate Valve with Valve Box, All -Inclusive, 12 Inch ................................ .Each
Index of Pay Items I-17 Pay Item Pay Unit
649.1100 Geotextile for Roadbed Separator ................................ ............................. Square Yard
649.4100 Geotextile for Underdrain Trench Lining ................................ ................. Square Yard
649.2100 Geotextile Under Railroad Ballast ................................ ............................ Square Yard
649.3100 Geotextile Under Stone Fill ................................ ................................ ......Square Yard
610.2000 GNSS Construction Inspection Equipment ................................ .............. Each
610.2500 GNSS Construction Inspection Surface Models ................................ .......Lump Sum
610.1000 GNSS Machine Control Grading ................................ .............................. Lump Sum
616.2000 Granite Slope Edging ................................ ................................ ................ Linear Foot
204.3000 Granular Backfill for Structures ................................ ................................ Cubic Yard
203.3200 Granular Borrow ................................ ................................ ....................... Cubic Yard
203.3500 Gravel Filter for Slope Stabilization ................................ ......................... Cubic Yard
654.0020 Gravel Wetland ................................ ................................ ......................... Square Yard
656.4000 Ground Cove rs and Vines ................................ ................................ ......... Each
510.2400 Grouting Shear Keys ................................ ................................ ................. Linear Foot
651.4000 Grubbing Material ................................ ................................ ..................... Square Yard
651.4002 Grubbing Material, 2 Inch ................................ ................................ ......... Square Yard
651.4006 Grubbing Material, 6 Inch ................................ ................................ ......... Square Yard
651.4012 Grubbing Material, 12 Inch ................................ ................................ .......Square Yard
621.8120 G uardrail Approach Section, 2 Rail Box Beam ................................ ........ Each
621.8130 Guardrail Approach Section, 3 Rail Box Beam ................................ ........ Each
621.8230 Guardrail Approach Section, 3 Rail Box Beam, Curbless ........................ Each
621.8140 Guardrail Approach Section, 4 Rail Box Beam ................................ ........ Each
621.9990 Guardrail A pproach Section, Covered Bridge ................................ .......... Each
621.8030 Guardrail Approach Section, HD Steel Beam ................................ .......... Each
621.8040 Guardrail Approach Section, HD Steel Beam with 8 Foot Posts ............. Each
621.9980 Guardrail Approach Section, Metal Truss Bridge ................................ ....Each
621.8231 Guardrail Approach Section to 3 Rail Aluminum ................................ ....Each
621.8232 Guardrail Approach Section to 3 Rail Aluminum, Pedestrian .................. Each
621.8320 Guardrail Approach Section to Concrete Bridge Rail, TL -2 .................... Each
621.8330 Guardrail Approach Section to Concrete Bridge Rail , TL-3 .................... Each
621.8010 Guardrail Approach Section, Type I ................................ ......................... Each
621.8020 Guardrail Approach Section, Type II ................................ ........................ Each
621.1 550 Guardrail Transition, Steel Beam to Box Beam ................................ .......Linear Foot
620.9000 Hand Railing ................................ ................................ ............................. Linear Foot
206.1000 Hand Scaling with Vegetation Re moval ................................ ................... Hour
653.1000 Hay Mulch ................................ ................................ ................................ Ton
621.1 260 HD Steel Beam Guardrail ................................ ................................ ......... Linear Foot
621.1 360 HD Steel Beam Guardrail, Nested ................................ ............................ Linear Foot
Index of Pay Items I-18 Pay Item Pay Unit
621.1 280 HD Steel Beam Guardrail with 8 Foot Posts ................................ ............ Linear Foot
621.1 380 HD Steel Beam Guardrail with 8 Foot Posts, Nested ............................... Linear Foot
542.1000 High Performance Concrete, Rapid Set ................................ .................... Cubic Yard
413.0100 Hot In -Place Recycling ................................ ................................ ............. Square Yard
629.3400 Hydrant ................................ ................................ ................................ .....Each
629.3500 Hydrant, All -Inclusive ................................ ................................ .............. Each
653.1100 Hydraulic Mulch ................................ ................................ ....................... Gallon
199.8101 Incentive or Disincentive (N.A.B.I.) ................................ ......................... Dollar
653.400 1 Inlet Protection Device, Type I ................................ ................................ .Each
653.4 002 Inlet Protection Device, Type II ................................ ................................ Each
653.4 003 Inlet Protection Device, Type III ................................ ............................... Cubic Yard
248.5000 Instrumentation and Monitoring Plan ................................ ....................... Lump S um
667.0020 Insulated Joints ................................ ................................ .......................... Each
622.1000 Insulation Board ................................ ................................ ........................ MFBM
614.2000 In -Water Sediment Isolation Measures ................................ ..................... Lump Sum
524.1300 Joint Sealer, Cold Poured ................................ ................................ .......... Linear Foot
524.1100 Joint Sealer, Hot Poured ................................ ................................ ............ Linear Foot
524.2100 Joint Sealer, Polyurethane ................................ ................................ ......... Linear Foot
625.7010 Junction Box ................................ ................................ ............................. Each
656.8000 Landscape Backfill, Truck Measurement ................................ ................. Cubic Yard
656.6500 Landscape Watering ................................ ................................ .................. MGAL
206.3000 Ledge Salvage Material ................................ ................................ ............ Ton
206.3500 Ledge Waste Material ................................ ................................ ............... Ton
646.3010 Letter or Symbol, Waterborne Paint ................................ ......................... Each
646.7600 Line Striping Targets ................................ ................................ ................. Each
199.8121 Liquidated Damages, Interim Completion Date (N.A.B.I.) ...................... Dollar
199.9999 Liquidated Damages, Train Delay (N.A.B.I.) ................................ ........... Dollar
656.1000 Live Fascines ................................ ................................ ............................ Linear Foot
656.1100 Live Stakes ................................ ................................ ................................ Each
608.400 1 Loader Rental, Type I ................................ ................................ ................ Hour
679.5000 Luminaire ................................ ................................ ................................ ..Each
698.1000 Lump Sum Project, ID/IQ ................................ ................................ ......... Lump Sum
698.2000 Lump Sum Project, JOC ................................ ................................ ........... Lump Sum
206.1500 Machine Scaling with Vegetation Removal ................................ .............. Hour
653.0300 Maintenance of EPSC Plan (N.A.B.I.) ................................ ..................... Dollar
641.1200 Maintenance of Pedestrian Traffic ................................ ............................ Lump Sum
527.1000 Maintenance of Structures and Approaches ................................ .............. Lump Sum
Index of Pay Items I-19 Pay Item Pay Unit
230.0060 Management of Contaminated Groundwater ................................ ............ Lump Sum
230.0070 Management of Contaminated Groundwater ................................ ............ MGAL
678.2010 Mast Arm Pole Foundation ................................ ................................ .......Each
410.1000 Material Transfer Vehicle ................................ ................................ .......... Ton
507.1900 Mechanical Bar Connector ................................ ................................ .......Each
654.0050 Media Filter Drain ................................ ................................ ..................... Linear Foot
519.1000 Membrane Waterproofing, Spray Applied ................................ ................ Square Yard
519.2000 Membrane Waterproofing, Torch Appl ied Sheet ................................ ......Square Yard
213.1000 Milled Rumble Strips ................................ ................................ ................ Linear Foot
213.3010 Milled Rumble Strips, Centerline ................................ ............................. Linear Foot
213.2010 Milled Rumble Strips, Shoulder ................................ ............................... Linear Foot
213.3015 Milled Rumble Strips, Sinusoidal Centerline ................................ ........... Linear Foot
213.2015 Milled Rumble Strips, Sinusoidal Shoulder ................................ .............. Linear Foot
635.1100 Mobilization/Demobilization ................................ ................................ ....Lump Sum
503.2500 Mobilization of Drilled Shaft Equipment ................................ ................. Lump Sum
653.0200 Monitoring EPSC Plan ................................ ................................ .............. Hour
541.5100 Mortar, Type I ................................ ................................ ........................... Cubic Yard
541.5400 Mortar, Type IV ................................ ................................ ........................ Cubic Yard
621.4120 MTS, Box Beam, Flared, TL -2 ................................ ................................ .Each
621.4130 MTS, Box Beam, Flared, TL -3 ................................ ................................ .Each
621.4020 MTS, Box Beam, Tangent, TL -2 ................................ .............................. Each
621.4030 MTS, Box Beam, Tangent, TL -3 ................................ .............................. Each
621.3120 MTS, MGS, Flared, TL -2 ................................ ................................ ......... Each
621.3130 MTS, MGS, Flared, TL -3 ................................ ................................ ......... Each
621.3020 MTS, MGS, Tangent, TL -2 ................................ ................................ ......Each
621.3030 MTS, MGS, Tangent, TL -3 ................................ ................................ ......Each
203.2000 Muck Excavation ................................ ................................ ...................... Cubic Yard
655.0050 Nesting Box ................................ ................................ .............................. Each
522.3500 Nonstructural Lumber, Treated ................................ ................................ .MFBM
522.3000 Nonstructural Lumber, Untreated ................................ ............................. MFBM
248.5200 Observa tion Well ................................ ................................ ...................... Linear Foot
528.1000 One Lane Temporary Bridge ................................ ................................ .....Lump Sum
677.1200 Overhead Traffic Sign Support, Cantilever ................................ .............. Each
677.2200 Overhead Traffic Sign Support, Cantilever with Lighting ........................ Each
677.1300 Overhead Traffic Sign Support, Multi -Support ................................ ........ Each
677.2300 Overhead Traffic Sign Support, Multi -Support with Lighting ................. Each
680.7200 Overlay for Travel Information Sign ................................ ........................ Each
Index of Pay Items I-20 Pay Item Pay Unit
646.8100 Painted Curb ................................ ................................ .............................. Linear Foot
646.8200 Painted Island ................................ ................................ ............................ Square Foot
678.2045 Pan -Tilt-Zoom Camera ................................ ................................ ............. Each
681.3010 Parking Meter ................................ ................................ ............................ Each
681.3030 Parking Meter Post and Sleeve ................................ ................................ .Each
516.2000 Partial Removal and Modification of Bridge Joint ................................ ...Linear Foot
529.2000 Partial Removal of Structure ................................ ................................ .....Each
646.8600 Pavement Marking Mask ................................ ................................ .......... Square Foot
406.9300 Pay Adjustment, BCP, Longitudinal Joint Density (N.A.B.I.) .................. Dollar
406.9200 Pay Adjustment, BCP, Mat Density (N.A.B.I.) ................................ ......... Dollar
406.9100 Pay Adjustment, BCP, Mixture Properties (N.A.B.I.) .............................. Dollar
406.9400 Pay Adjustment, BCP, Pavement Roughness (N.A.B.I.) .......................... Dollar
407.9100 Pay Adjustment, BWC, Mixture Properties (N.A.B.I.) ............................ Dollar
678.2015 Pedestal Post Assembly ................................ ................................ ............. Each
678.2020 Pedestrian Signal Assembly ................................ ................................ ......Each
656.4100 Perennials ................................ ................................ ................................ ..Each
501.3700 Performance -Based Concrete, Class PCD ................................ ................ Cubic Yard
501.3800 Performanc e-Based Concrete, Class PCS ................................ ................. Cubic Yard
501.3900 Performance -Based Concrete, Class SCC ................................ ................ Cubic Yard
629.3200 Permanent Manual Air Release ................................ ................................ Each
629.3300 Permanent Manual Air Release, All -Inclusive ................................ ......... Each
505.3500 Permanent Steel Sheet Piling ................................ ................................ ....Square Foot
248.5603 Piezometer, Type III ................................ ................................ ................. Each
620.4500 Plank Rail Fence ................................ ................................ ....................... Linear Foot
629.1200 Plastic Water Pipe, Flexible ................................ ................................ ......Linear Foot
629.1203 Plastic Water Pipe, Flexible, 0.75 Inch ................................ ..................... Linear Foot
629.1204 Plastic Water Pipe, Flexible, 1 Inch ................................ .......................... Linear Foot
629.1205 Pla stic Water Pipe, Flexible, 1.25 Inch ................................ ..................... Linear Foot
629.1206 Plastic Water Pipe, Flexible, 1.5 Inch ................................ ....................... Linear Foot
629.1207 Plastic Water Pipe, Flexible, 1.75 Inch ................................ ..................... Linear Foot
629.1208 Plastic Water Pipe, Flexible, 2 Inch ................................ .......................... Linear Foot
629.1300 Plastic Water Pipe, Flexible, All -Inclusive ................................ ............... Linear Foot
629.1303 Plastic Water Pipe, Flexible, All -Inclusive, 0.75 Inch .............................. Linear Foot
629.1304 Plastic Water Pipe, Flexible, All -Inclusive, 1 Inch ................................ ...Linear Foot
629.1305 Plastic Water Pipe, Flexible, All -Inclusive, 1. 25 Inch .............................. Linear Foot
629.1306 Plastic Water Pipe, Flexible, All -Inclusive, 1.5 Inch ................................ Linear Foot
629.1307 Plastic Water Pipe, Flexible, All -Inclusive, 1.75 Inch .............................. Linear Foot
629.1308 Plastic Water Pipe, Flexible, All -Inclusive, 2 Inch ................................ ...Linear Foot
Index of Pay Items I-21 Pay It em Pay Unit
629.1400 Plastic Water Pipe, Rigid ................................ ................................ .......... Linear Foot
629.1403 Plastic Water Pipe, Rigid, 0.75 Inch ................................ ......................... Linear Foot
629.1404 Plastic Water Pipe, Rigid, 1 Inch ................................ .............................. Linear Foot
629.1405 Plastic Water Pipe, Rigid, 1.25 Inch ................................ ......................... Linear Foot
629.1406 Plastic Wate r Pipe, Rigid, 1.5 Inch ................................ ........................... Linear Foot
629.1407 Plastic Water Pipe, Rigid, 1.75 Inch ................................ ......................... Linear Foot
629.1408 Plastic Water Pipe, Rigid, 2 Inch ................................ .............................. Linear Foot
629.1412 Plastic Water Pipe, Rigid, 3 Inch ................................ .............................. Linear Foot
629.1416 Plastic Water Pipe, Rigid, 4 Inch ................................ .............................. Linea r Foot
629.1424 Plastic Water Pipe, Rigid, 6 Inch ................................ .............................. Linear Foot
629.1432 Plastic Water Pipe, Rigid, 8 Inch ................................ .............................. Linear Foot
629.1440 Plastic Water Pipe, Rigid, 10 Inch ................................ ............................ Linear Foot
629.1448 Plastic Water Pipe, Rigid, 12 Inch ................................ ............................ Linear Foot
629.1500 Plastic Water Pipe, Rigid, All -Inclusive ................................ ................... Linear Foot
629.1503 Plastic Water Pipe, Rigid, All -Inclusive, 0.75 Inch ................................ ..Linear Foot
629.1504 Plastic Water Pipe, Rigid, All -Inclusive, 1 Inch ................................ .......Linear Foot
629.1505 Plastic Water Pipe, Rigid, All -Inclusive, 1.25 I nch ................................ ..Linear Foot
629.1506 Plastic Water Pipe, Rigid, All -Inclusive, 1.5 Inch ................................ ....Linear Foot
629.1507 Plastic Water Pipe, Rigid, All -Inclusive, 1.75 Inch ................................ ..Linear Foot
629.1508 Plastic Water Pipe, Rigid, All -Inclusive, 2 Inch ................................ .......Linear Foot
629.1512 Plastic Wate r Pipe, Rigid, All -Inclusive, 3 Inch ................................ .......Linear Foot
629.1516 Plastic Water Pipe, Rigid, All -Inclusive, 4 Inch ................................ .......Linear Foot
629.1524 Plastic Water Pipe, Rigid, All -Inclusive, 6 Inch ................................ .......Linear Foot
629.1532 Plastic Water Pipe, Rigid, All -Inclusive, 8 Inch ................................ .......Linear Foot
629.1540 Plastic Water Pipe, Rigid, All -Inclusive, 10 Inch ................................ .....Linear Foot
629.1548 Plastic Water Pipe, Rigid, All -Inclusive, 12 Inch ................................ .....Linear Foot
641.1600 Portable Arrow Board ................................ ................................ ............... Each
641.1800 Portable Arrow Board Rental ................................ ................................ ....Day
641.1500 Portable Changeabl e Message Sign ................................ .......................... Each
641.1700 Portable Changeable Message Sign Rental ................................ ............... Day
618.100 5 Portland Cement Concrete Sidewalk, 5 Inch ................................ ............ Square Yard
618.1 008 Portland Cement Concrete Sidewalk, 8 Inch ................................ ............ Square Yard
415.5200 Portland Cement for CCPR ................................ ................................ .......Ton
414.5200 Portl and Cement for CIR ................................ ................................ .......... Ton
312.5200 Portland Cement for FDR, Emulsion ................................ ........................ Ton
608.300 1 Power Broom Rental, Type I ................................ ................................ .....Hour
608.3 002 Power Broom Rental, Type II ................................ ................................ ...Hour
608.3 003 Power Broom Rental, Type III ................................ ................................ ..Hour
Index of Pay Items I-22 Pay Item Pay Unit
625.7000 Power Drop Stanchion ................................ ................................ .............. Each
608.1500 Power Grader Rental ................................ ................................ ................. Hour
540.2000 Precast Concrete Deck Panels ................................ ................................ ...Square Foot
663.0250 Precast Concrete Panel Grade Crossing Surface Repair ........................... Each
663.0200 Precast Concrete Panel Grade Crossing System ................................ .......Lump Sum
540.1000 Precast Concr ete Structure ................................ ................................ ........ Lump Sum
604.2000 Precast Reinforced Concrete Catch Basin with Cast Iron Grate ............... Each
604.3000 Precast Reinforced Concrete Curb DI with Cast Iron Grate ..................... Each
616.250 1 Precast Reinforced Concrete Curb, Type A ................................ .............. Linear Foot
616.2 502 Precast Rein forced Concrete Curb, Type B ................................ .............. Linear Foot
604.1800 Precast Reinforced Concrete DI with Cast Iron Grate .............................. Each
604.2100 Precast Reinforced Concrete Manhole with Cast Iron Cover ................... Each
604.2500 Precast Reinforced Concrete Pipe DI with Cast Iron Grate ...................... Each
604.2600 Precast Reinforced Concrete Pipe DI with Concrete Cover ..................... Each
546.1000 Pre -Excavation of Abutment Piles, Earth ................................ ................. Linear Foot
546.2000 Pre -Excavation of Abutment Piles, Rock ................................ .................. Linear Foot
544.1000 Prefabricated Bridge Unit Superstructure ................................ ................. Linear Foot
248.5800 Pressure Cell ................................ ................................ ............................. Each
510.2100 Prestressed Concrete Box Beams ................................ .............................. Linear Foot
510.4000 Prestressed Concrete Deck Panels ................................ ............................ Square Foot
510.2300 Prestressed Concrete Girders ................................ ................................ ....Linear Foot
510.2600 Prestressed Concrete NEXT D Beams ................................ ...................... Linear Foot
510.2500 Prestressed Concrete Solid Slabs ................................ .............................. Linear Foot
510.2200 Prestressed Concrete V oided Slabs ................................ ........................... Linear Foot
690.0300 Price Adjustment, Asphalt (N.A.B.I.) ................................ ....................... Dollar
690.0400 Price Adjustment, Fuel (N.A.B.I.) ................................ ............................ Dollar
653.5500 Project Demarcation Fence ................................ ................................ .......Linear Foot
230.0040 Project Operations Completion Report ................................ ..................... Lump Sum
230.0030 Project Operations Plan ................................ ................................ ............. Lump Sum
551.1000 Public Protection for Bridge Projects ................................ ....................... Lump Sum
625.7022 Pull Box, Double ................................ ................................ ....................... Each
625.7021 Pull Box, Single ................................ ................................ ........................ Each
628.1400 PVC Sewer Pipe ................................ ................................ ........................ Linear Foot
628.1406 PVC Sewer Pipe, 1.5 Inch ................................ ................................ ......... Linear Foot
628.1408 PVC Sewer Pipe, 2 Inch ................................ ................................ ............ Linear Foot
628.1416 PVC Sewer Pipe, 4 Inch ................................ ................................ ............ Linear Foot
628.1424 PVC Sewer Pipe, 6 Inch ................................ ................................ ............ Linear Foot
628.1432 PVC Sewer Pipe, 8 Inch ................................ ................................ ............ Linear Foot
Index of Pay Items I-23 Pay Item Pay Unit
628.1440 PVC Sewer Pipe, 10 Inch ................................ ................................ .......... Linear Foot
628.1448 PVC Sewer Pipe, 12 Inch ................................ ................................ .......... Linear Foot
628.1460 PVC Sewer Pipe, 15 Inch ................................ ................................ .......... Linear Foot
628.1472 PVC Sewer Pipe, 18 Inch ................................ ................................ .......... Linear Foot
628.1496 PVC Sewer Pipe, 24 Inch ................................ ................................ .......... Linear Foot
628.1500 PVC Sewer Pipe, All -Inclusive ................................ ................................ .Linear Foot
628.1506 PVC Sewer Pipe, All -Inclusive, 1.5 Inch ................................ ................. Linear Foot
628.1508 PVC Sewer Pipe, All -Inclusive, 2 Inch ................................ .................... Linear Foot
628.1516 PVC Sewer Pipe, All -Inclusive, 4 Inch ................................ .................... Linear Foot
628.1524 PVC Sewer Pipe, All -Inclusive, 6 Inch ................................ .................... Linear Foot
628.1532 PVC Sewer Pipe, All -Inclusive, 8 Inch ................................ .................... Linear Foot
628.1540 PVC Sewer Pipe, All -Inclusive, 10 Inch ................................ .................. Linear Foot
628.1548 PVC Sewer Pipe, All -Inclusive, 12 Inch ................................ .................. Linear Foot
628.1560 PVC Sewer Pipe, All -Inclusive, 15 Inch ................................ .................. Linear Foot
628.1572 PVC Sewer Pipe, All -Inclusive, 18 Inch ................................ .................. Linear Foot
628.1596 PVC Sewer Pipe, All -Inclusive, 24 Inch ................................ .................. Linear Foot
662.0010 Railroad Ballast ................................ ................................ ......................... Ton
646.3210 Railroad Crossing Symbol, Waterborne Paint ................................ .......... Each
632.1000 Railroad Flaggers (N.A.B.I.) ................................ ................................ .....Dollar
664.1000 Railroad -Highway Crossing Active Warning System ............................... Lump Sum
665.0100 Railroad Turnout ................................ ................................ ....................... Each
665.0108 Railroad Turnout, No. 8 ................................ ................................ ............ Each
665.0110 Railroad Turnout, No. 10 ................................ ................................ .......... Each
665.0550 Raise, Align, and Surface Crossover ................................ ......................... Each
662.0410 Raise, Align, and Surface Track ................................ ................................ Linear Foot
665.0500 Raise, Align, and Surface Turnout ................................ ............................ Each
602.3500 Rebuilt Stone Masonry ................................ ................................ ............. Cubic Yard
663.0100 Reconstruct Railroad -Highway Grade Crossing ................................ .......Lump Sum
604.41 01 Rehabilitating DIs, Catch Basins, or Manholes, Class I ........................... Each
604.41 02 Rehabilitating DIs, Catch Basins, or Manholes, Class II .......................... Each
604.41 03 Rehabilitating DIs, Catch Basins, or Manholes, Class III ........................ Each
618.120 5 Reinforced Portland Cement Concrete Sidew alk, 5 Inch ......................... Square Yard
618.1 208 Reinforced Portland Cement Concrete Sidewalk, 8 Inch ......................... Square Yard
217.1000 Reinforced Soil Slope ................................ ................................ ............... Square Yard
507.1100 Reinforcing Steel, Level I ................................ ................................ ......... Pound
507.1200 Reinforcing Steel, Level II ................................ ................................ ........ Pound
507.1300 Reinforcing Stee l, Level III ................................ ................................ ......Pound
Index of Pay Items I-24 Pay Item Pay Unit
601.9900 Re -Laying Pipe Culverts ................................ ................................ ........... Linear Foot
601.9915 Re -Laying Pipe Culverts, 15 Inch ................................ ............................. Linear Foot
601.9918 Re -Laying Pipe Culverts, 18 Inch ................................ ............................. Linear Foot
601.9924 Re -Laying Pipe Culverts, 24 Inch ................................ ............................. Linear Foot
628.1800 Re -Laying Sewer Pipe ................................ ................................ .............. Linear Foot
629.3600 Relocate Hydrant ................................ ................................ ...................... Each
680.4000 Relocate Information Plaza ................................ ................................ .......Each
511.1001 Removal, Containment, and Disposal of Lead Paint, Type I .................... Lump Sum
511.1002 Removal, Containment, and Disposal of Lead Paint, Type II ................... Lump Sum
529.1000 Removal of Bridge Pavement ................................ ................................ ...Square Yard
529.2500 Removal of Concrete or Masonry ................................ ............................. Cubic Yard
529.2600 Removal of Concrete or Masonry ................................ ............................. Square Yard
525.1000 Removal of Existing Bridge Railing ................................ ......................... Linear Foot
616.4100 Removal of Existing Curb ................................ ................................ ........ Linear Foot
676.1200 Removal of Existing Delineator and Post ................................ ................. Each
620.5500 Removal of Existing Fence ................................ ................................ .......Linear Foot
646.8500 Removal of Existing Pavement Markings ................................ ................ Square Foot
678.1000 Removal of Existing Traffic Control Signal System ................................ Each
621.0100 Removal of Guardrail ................................ ................................ ............... Linear Foot
621.0120 Removal of Guardrail Offset Blocks ................................ ........................ Each
621.0110 Removal of Guardrail Posts ................................ ................................ ......Each
665.0200 Removal of Railroad Turnout ................................ ................................ ...Each
529.1500 Removal of Structure ................................ ................................ ................ Each
681.1010 Remove and Relocate Landscape Items ................................ ................... Each
662.0110 Remove and Replace Bridge Ties ................................ ............................. Each
662.0120 Remove and Replace Cross Ties ................................ ............................... Each
676.1500 Remove and Replace Delineator ................................ ............................... Each
531.1900 Remove and Replace Existing Anchor Bolt ................................ .............. Each
667.0010 Remove and Replace Joint Bar Sets ................................ ......................... Each
662.0200 Remove and Replace Jointed Rail ................................ ............................ Linear Foot
617.2200 Remove and Replace Mailbox, Multiple Support ................................ .....Each
617.2100 Remove and Replace Mailbox, Single Support ................................ ........ Each
662.0130 Remove and Replace Switch Ties ................................ ............................. Linear Foot
667.0100 Remove and Repla ce Tie Plates ................................ ................................ Each
621.0210 Remove and Reset Guardrail ................................ ................................ ....Linear Foot
662.0250 Remove and Reset Jointed Railroad Track ................................ ............... Linear Foot
679.2500 Remove and Reset Light Pole ................................ ................................ ...Each
Index of Pay Items I-25 Pay Item Pay Unit
617.1200 Remove and Reset Mailbox, Multiple Support ................................ ......... Each
617.1 100 Remove and Reset Mailbox, Single Support ................................ ............ Each
677.2500 Remove and Reset Overhead Traffic Sign Support ................................ ..Each
681.3020 Remove and Reset Parking Meter ................................ ............................. Each
679.2600 Remove and Reset Private Light Assembly ................................ .............. Each
665.0300 Remove and Reset Railroad T urnout ................................ ........................ Each
621.0200 Remove and Reset Temporary Traffic Barrier ................................ ......... Linear Foot
677.3000 Remove Existing Overhead Sign Assembly, Cantilever ........................... Each
677.3500 Remove Existing Overhead Sign Assembly, Multi -Support ..................... Each
629.3800 Remove Hydrant ................................ ................................ ....................... Each
662.0400 Remo ve Jointed Rail and Install CWR ................................ ..................... Linear Foot
681.1020 Remove Landscape Items ................................ ................................ ......... Each
681.3040 Remove Parking Meter Post and Sleeve ................................ ................... Each
662.0300 Remove Railroad Track ................................ ................................ ............ Linear Foot
679.2400 Remove Street Light Assembly ................................ ................................ Each
616.4000 Removing and Resetting C urb ................................ ................................ ..Linear Foot
620.5000 Removing and Resetting Fence ................................ ................................ Linear Foot
619.2000 Removing and Resetting Property Markers ................................ .............. Each
201.2100 Removing Large Stumps ................................ ................................ ........... Each
201.1600 Removing Large Trees ................................ ................................ .............. Each
201.2000 Removing Medium Stumps ................................ ................................ ......Each
201.1500 Removing Medium Trees ................................ ................................ .......... Each
580.1101 Repair of Concrete Substructure Surface, Class I ................................ .....Square Yard
580.1102 Repair of Concrete Substructure Surface, Class II ................................ ...Square Yard
580.1103 Repair of Concrete Substructure Surface, Class III ................................ ..Cubic Yard
580.1001 Repa ir of Concrete Superstructure Surface, Class I ................................ ..Square Yard
580.1002 Repair of Concrete Superstructure Surface, Class II ................................ Square Yard
580.1003 Repair of Concrete Superstructure Surface, Class III ............................... Cubic Yard
602.4000 Repairing Stone Masonry ................................ ................................ ......... Square Yard
621.0400 Replace Guardrail Beam Unit, Box Beam ................................ ................ Each
621.0500 Replace Guardrail Beam Unit, Thrie Beam ................................ .............. Each
621.0300 Replace Guardrail Beam Unit, W -Beam ................................ .................. Each
621.0450 Replace Guardrail Post Assembly, Box Beam ................................ ......... Each
621.0550 Replace Guardrail Post Assembl y, Thrie Beam ................................ .......Each
621.0360 Replace Guardrail Post Assembly, W -Beam with 6 Foot Posts ............... Each
621.0380 Replace Guardrail Post Assembly, W -Beam with 8 Foot Posts ............... Each
616.2250 Repointing Granite Bridge Curb ................................ ............................... Gallon
602.3000 Repointing Masonry ................................ ................................ .................. Square Yard
Index of Pay Items I-26 Pay Item Pay Unit
525.1100 Reset Existing Bridge Railing ................................ ................................ ...Linear Foot
675.6000 Resetting Signs ................................ ................................ .......................... Each
225.0300 Retaining Wall, Cast -In-Place Concrete ................................ ................... Lump Sum
225.0500 Retaining Wall, Concrete ................................ ................................ .......... Lump Sum
227.0100 Retaining Wall, Mechanically Stabilized Earth ................................ ........ Lump Sum
225.0400 Retaining Wall, Precast Concrete ................................ .............................. Lump Sum
230.0020 Reuse of Contaminated Materials ................................ ............................. Cubic Yard
613.15 20 Riprap, Heavy Type ................................ ................................ .................. Cubic Yard
613.1 510 Riprap, Light Type ................................ ................................ .................... Cubic Yard
506.8500 Rivet Replacement ................................ ................................ .................... Each
221.2000 Ro ck Slope Stabilization Anchor ................................ .............................. Linear Foot
221.2500 Rock Slope Stabilization Anchor Testing ................................ ................. Each
221.1000 Rock Slope Stabilization Dowel ................................ ............................... Linear Foot
221.1500 Rock Slope Stabilization Dowel Testing ................................ .................. Each
221.4000 Rock Slope Stabilization Drain ................................ ................................ .Linear Foot
221.5000 Rock Slope Stabilization Nail ................................ ................................ ...Linear Foot
221.3000 Rock Slope Stabilization Shear Key ................................ ......................... Linear Foot
221.6000 Rock Slope Stabilization Shotcrete ................................ ........................... Cubic Yard
653.200 1 Rolled Erosion Control Product, Type I ................................ .................... Square Yard
653.2 002 Rolled Erosion Cont rol Product, Type II ................................ .................. Square Yard
663.0270 Rubber Rail Seal ................................ ................................ ....................... Linear Foot
203.3100 Sand Borrow ................................ ................................ ............................. Cubic Yard
604.2200 Sanitary Sewer Manhole ................................ ................................ ........... Each
404.5100 Seal Coat, Emulsified Asphalt ................................ ................................ ..Hundredweight
629.1000 Seamless Copper Water Tube ................................ ................................ ...Linear Foot
629.1003 Seamless Copper Water Tube, 0.75 Inch ................................ .................. Linear Foot
629.1004 Seamless Copper Water Tube, 1 Inch ................................ ....................... Linear Foot
629.1005 Seamless Copper Water Tube, 1.25 Inch ................................ .................. Linear Foot
629.1006 Seamless Copper Water Tube, 1.5 Inch ................................ .................... Linear Foot
629.1007 Seamless Copper Water Tube, 1.75 Inch ................................ .................. Linear Foot
629.1008 Seamless Copper Water Tube, 2 Inch ................................ ....................... Linear Foot
629.1100 Seamless Copper Water Tube, All -Inclusive ................................ ............ Linear Foot
629.1103 Seamless Copper Water Tube, All -Inclusive, 0.75 Inch ........................... Linear Foot
629.1104 Seamless Copper Water Tube, All -Inclusive, 1 Inch ................................ Linear Foot
629.1105 Seamless Copper Water Tube, All -Inclusive, 1.25 Inch ........................... Linear Foot
629.1106 Seamless Copper Water Tube, All -Inclusive, 1.5 Inch ............................. Linear Foot
629.1107 Seamless Copper Water Tube, All -Inclusive, 1 .75 Inch ........................... Linear Foot
629.1108 Seamless Copper Water Tube, All -Inclusive, 2 Inch ................................ Linear Foot
Index of Pay Items I-27 Pay Item Pay Unit
675.6100 Setting Salvaged Posts ................................ ................................ .............. Each
248.5501 Settlement Platform, Type I ................................ ................................ ......Each
248.5502 Settlement Platform, Type II ................................ ................................ .....Each
628.3000 Sewer Cl eanout ................................ ................................ ......................... Each
628.3100 Sewer Cleanout, All -Inclusive ................................ ................................ ..Each
248.5300 Shape Array Instrument ................................ ................................ ............ Each
508.1500 Shear Connectors ................................ ................................ ...................... Lump Sum
502.1000 Shoring Superstructure ................................ ................................ .............. Lump Sum
502.1100 Shoring Superstructure Bearings ................................ .............................. Each
203.4000 Shoulder Berm Removal ................................ ................................ ........... Linear Foot
675.5100 Sign Removal, Extruded Aluminum ................................ ......................... Each
675.5000 Sign Removal, Flat Sheet Aluminum ................................ ........................ Each
653.47 01 Silt Fence, Type I ................................ ................................ ...................... Linear Foot
653.47 02 Silt Fence, Type II ................................ ................................ ..................... Linear Foot
625.1000 Sleeves for Utilities, HDPE ................................ ................................ ......Linear Foot
625.1002 Sleeves for Utilities, HDPE, 2 Inch ................................ .......................... Linear Foot
625.1004 Sleeves for Utilities, HDPE, 4 Inch ................................ .......................... Linear Foot
625.1006 Sleeves for Utilities, HDPE, 6 Inch ................................ .......................... Linear Foot
625.1008 Sleeves for Utilities, HDPE, 8 Inch ................................ .......................... Linear Foot
625.1010 Sleeves for Ut ilities, HDPE, 10 Inch ................................ ........................ Linear Foot
625.1012 Sleeves for Utilities, HDPE, 12 Inch ................................ ........................ Linear Foot
625.1014 Sleeves for Utilities, HDPE, 14 Inch ................................ ........................ Linear Foot
625.1016 Sleeves for Utilities, HDPE, 16 Inch ................................ ........................ Linear Foot
625.1018 Sleeves for Utilities, HDPE, 18 In ch ................................ ........................ Linear Foot
625.1020 Sleeves for Utilities, HDPE, 20 Inch ................................ ........................ Linear Foot
625.1022 Sleeves for Utilities, HDPE, 22 Inch ................................ ........................ Linear Foot
625.1024 Sleeves for Utilities, HDPE, 24 Inch ................................ ........................ Linear Foot
625.2000 Sleeves for Utilities, PVC ................................ ................................ ......... Linear Foot
625.2002 Sleev es for Utilities, PVC, 2 Inch ................................ ............................. Linear Foot
625.2004 Sleeves for Utilities, PVC, 4 Inch ................................ ............................. Linear Foot
625.2006 Sleeves for Utilities, PVC, 6 Inch ................................ ............................. Linear Foot
625.2008 Sleeves for Utilities, PVC, 8 Inch ................................ ............................. Linear Foot
625.2010 Sleeves for Utilities, PVC, 10 In ch ................................ ........................... Linear Foot
625.2012 Sleeves for Utilities, PVC, 12 Inch ................................ ........................... Linear Foot
625.2014 Sleeves for Utilities, PVC, 14 Inch ................................ ........................... Linear Foot
625.2016 Sleeves for Utilities, PVC, 16 Inch ................................ ........................... Linear Foot
625.2018 Sleeves for Utilities, PVC, 18 Inch ................................ ........................... Linear Foot
Index of Pay Items I-28 Pay Item Pay Unit
625.2020 Sleeves for Utilities, PVC, 20 Inch ................................ ........................... Linear Foot
625.2022 Sleeves for Utilities, PVC, 22 Inch ................................ ........................... Linear Foot
625.2024 Sleeves for Utilities, PVC, 24 Inch ................................ ........................... Linear Foot
625.3000 Sleeves for Utilities, Steel ................................ ................................ ......... Linear Foot
625.3002 Sle eves for Utilities, Steel, 2 Inch ................................ ............................. Linear Foot
625.3004 Sleeves for Utilities, Steel, 4 Inch ................................ ............................. Linear Foot
625.3006 Sleeves for Utilities, Steel, 6 Inch ................................ ............................. Linear Foot
625.3008 Sleeves for Utilities, Steel, 8 Inch ................................ ............................. Linear Foot
625.3010 Sleeves for Utilities, Steel, 10 Inch ................................ ........................... Linear Foot
625.3012 Sleeves for Utilities, Steel, 12 Inch ................................ ........................... Linear Foot
625.3014 Sleeves for Utilities, Steel, 14 Inch ................................ ........................... Linear Foot
625.3016 Sleeves for Utilities, Steel, 16 Inch ................................ ........................... Linear Foot
625.3018 Sleeves for Utilities, Steel, 18 Inch ................................ ........................... Linear Foot
625.3020 Sleeves for Utilities, Steel, 20 Inch ................................ ........................... Linear Foot
625.3022 Sleeves for Utilities, Steel, 22 Inch ................................ ........................... Linear Foot
625.3024 Sleeves for Utilities, Steel, 24 Inch ................................ ........................... Linear Foot
248.5100 Slope Inclinometer ................................ ................................ .................... Linear Foot
219.1000 Slope Stabiliz ation Nail ................................ ................................ ............ Linear Foot
219.1500 Slope Stabilization Nail Testing ................................ ................................ Each
219.2000 Slope Stabilization System, Shotcrete Facing ................................ .......... Square Foot
219.3000 Slope Stabilization System, Wire Mesh Facing ................................ ........ Square Foot
620.7500 Snow Barrier Fence ................................ ................................ ................... Linear Foot
675.3500 Soil Bearing Slip Base ................................ ................................ .............. Each
203.1600 Solid Rock Excavation ................................ ................................ .............. Cubic Yard
608.2601 Special Purpose Excavator Rental, Type I ................................ ................ Hour
620.8100 Split Rail Fence ................................ ................................ ......................... Linear Foot
620.8200 Square Steel Fence ................................ ................................ .................... Linear Foot
675.3410 Square Tube Sign Post and Anchor ................................ ........................... Linear Foot
653.3500 Stabilized Construction Entrance ................................ .............................. Cubic Yard
618.4005 Stamped Concrete Apron, 5 Inch ................................ .............................. Square Yard
618.4108 Stamped Concrete Island, 8 Inch ................................ .............................. Square Yard
621.2600 Steel Backed Timber Guardrail ................................ ................................ Linear Foot
621.1060 Steel Beam Guardrail ................................ ................................ ................ Linear Foot
621.1160 Steel Beam Guardrail, Nested ................................ ................................ ...Linear Foot
621.1 500 Steel Beam Guardrail Offset Block ................................ .......................... Each
621.1080 Steel Beam Guardrail with 8 Foot Posts ................................ ................... Linear Foot
621.1180 Steel Beam Guardrail with 8 Foot Posts, Nested ................................ ......Linear Foot
620.4000 Steel Brace for Woven Wire Fence ................................ ........................... Each
Index of Pay Items I-29 Pay Item Pay Unit
505.1000 Steel Piling, HP 10 × 42 ................................ ................................ ............ Linear Foot
505.1200 Steel Piling, HP 10 × 57 ................................ ................................ ............ Linear Foot
505.1500 Steel Piling, HP 12 × 53 ................................ ................................ ............ Linear Foot
505.1550 Steel Piling, HP 12 × 63 ................................ ................................ ............ Linear Foot
505.1600 Steel Piling, HP 12 × 74 ................................ ................................ ............ Linear Foot
505.1650 Steel Piling, HP 12 × 84 ................................ ................................ ............ Linear Foot
505.1700 Steel Piling, HP 14 × 73 ................................ ................................ ............ Linear Foot
505.1800 Steel Piling, HP 14 × 89 ................................ ................................ ............ Linear Foot
505.1900 Steel Piling, HP 14 × 102 ................................ ................................ .......... Linear Foot
505.2000 Steel Piling, HP 14 × 117 ................................ ................................ .......... Linear Foot
654.0070 Stone Diaphragm ................................ ................................ ...................... Linear Foot
613.1001 Stone Fill, Type I ................................ ................................ ....................... Cubic Yard
613.1002 Stone Fill, Type II ................................ ................................ ..................... Cubic Yard
613.1003 Stone Fill, Type III ................................ ................................ .................... Cubic Yard
613.1004 Stone Fill, Type IV ................................ ................................ .................... Cubic Yard
602.25 00 Stone Masonry Facing ................................ ................................ .............. Square Yard
653.1200 Straw Mulch ................................ ................................ .............................. Ton
655.0010 Stream Habitat Boulders ................................ ................................ ........... Lump Sum
679.4600 Street Light Assembly ................................ ................................ ............... Each
679.5400 Street Lighting Control Device ................................ ................................ .Each
522.4000 Structural Glued Laminated Timber ................................ ......................... MFBM
522.2500 Structur al Lumber and Timber, Treated ................................ .................... MFBM
522.2000 Structural Lumber and Timber, Untreated ................................ ................ MFBM
506.6000 Structural Steel ................................ ................................ .......................... Pound
506.7500 Structural Steel ................................ ................................ .......................... Lump Sum
506.5600 Structural Steel, Curved Plate Girder ................................ ........................ Pound
506.5500 Structural Steel, Plate Girder ................................ ................................ ....Pound
506.5000 Structural Steel, Rolled Beam ................................ ................................ ...Pound
506.5700 Structural Steel, Truss ................................ ................................ ............... Pound
204.2500 Structure Excavation ................................ ................................ ................. Cubic Yard
301.2500 Subbase of Crushed Gravel, Coarse Graded ................................ ............. Cubic Yard
301.2600 Subbase of Crushed Gravel, Fine Graded ................................ ................. Cubic Yard
301.2800 Subbase of Crushed Gravel, Fine Graded ................................ ................. Ton
301.3500 Subbase of Dense Graded Crushed Stone ................................ ................. Cubic Yard
301.1500 Subbase of Gravel ................................ ................................ ..................... Cubic Yard
301.4000 Subbase, RAP ................................ ................................ ........................... Ton
580.1600 Surface Preparation for Membrane ................................ ........................... Square Foot
654.0030 Surface Sand Filter ................................ ................................ .................... Square Yard
Index of Pay Items I-30 Pay Item Pay Unit
404.1100 Tack Coat, Emulsified Asphalt ................................ ................................ ..Hundredweight
404.1200 Tack Coat, Polymer -Modified Emulsified Asphalt ................................ ...Hundredweight
629.2600 Tapping Sleeve and Valve with Valve Box ................................ .............. Each
629.2700 Tapping Sleeve and Va lve with Valve Box, All -Inclusive ....................... Each
646.6000 Temporary 4 Inch White Line ................................ ................................ ...Linear Foot
646.6020 Temporary 4 Inch White Line, Paint ................................ ......................... Linear Foot
646.6012 Temporary 4 Inch White Line, Type C Tape ................................ ............. Linear Foot
646.6100 Temporary 4 Inch Yellow Line ................................ ................................ .Linear F oot
646.6120 Temporary 4 Inch Yellow Line, Paint ................................ ....................... Linear Foot
646.6112 Temporary 4 Inch Yellow Line, Type C Tape ................................ ........... Linear Foot
646.6200 Temporary 6 Inch White Line ................................ ................................ ...Linear Foot
646.6220 Temporary 6 Inch White Line, Paint ................................ ......................... Linear Foot
646.6212 Temporary 6 I nch White Line, Type C Tape ................................ ............. Linear Foot
646.6300 Temporary 6 Inch Yellow Line ................................ ................................ .Linear Foot
646.6320 Temporary 6 Inch Yellow Line, Paint ................................ ....................... Linear Foot
646.6312 Temporary 6 Inch Yellow Line, Type C Tape ................................ ........... Linear Foot
646.6400 Temporary 8 Inch White Line ................................ ................................ ...Linea r Foot
646.6420 Temporary 8 Inch White Line, Paint ................................ ......................... Linear Foot
646.6412 Temporary 8 Inch White Line, Type C Tape ................................ ............. Linear Foot
646.6500 Temporary 8 Inch Yellow Line ................................ ................................ .Linear Foot
646.6520 Temporary 8 Inch Yellow Line, Paint ................................ ....................... Linear Foot
646.6512 Temporary 8 Inch Yellow Line, Type C Tape ................................ ........... Linear Foot
646.6600 Temporary 12 Inch White Line ................................ ................................ .Linear Foot
646.6620 Temporary 12 Inch White Line, Paint ................................ ....................... Linear Foot
646.6612 Temporary 12 Inch White Line, Type C Tape ................................ ........... Linear Foot
646.6700 Temporary 12 Inch Y ellow Line ................................ ............................... Linear Foot
646.6720 Temporary 12 Inch Yellow Line, Paint ................................ ..................... Linear Foot
646.6712 Temporary 12 Inch Yellow Line, Type C Tape ................................ ......... Linear Foot
646.6800 Temporary 24 Inch Stop Bar ................................ ................................ .....Linear Foot
646.6820 Temporary 24 Inch Stop Bar, Paint ................................ ........................... Linear Foot
646.6812 Temporary 24 Inch Stop Bar, Type C Tape ................................ ............... Linear Foot
240.0100 Temporary Access Road ................................ ................................ ............ Lump Sum
240.0200 Temporary Causeway ................................ ................................ ................ Lump Sum
646.7000 Temporary Crosswalk Marking ................................ ................................ Linear Foot
646.7020 Temporary Crosswalk Marking, Paint ................................ ...................... Linear Foot
646.7012 Te mporary Crosswalk Marking, Type C Tape ................................ .......... Linear Foot
646.6900 Temporary Letter or Symbol ................................ ................................ .....Each
646.6920 Temporary Letter or Symbol, Paint ................................ ........................... Each
646.6912 Temporary Letter or Symbol, Type C Tape ................................ ............... Each
Index of Pay Items I-31 Pay Item Pay Unit
528.1200 Temporary Pedestrian Bridge ................................ ................................ ....Lump Sum
240.0300 Temporary Railroad Access ................................ ................................ ......Lump Sum
646.7100 Temporary Railroad Crossing Symbol ................................ ...................... Each
646.7120 Temporary Railroad Crossing Symbol, Paint ................................ ........... Each
646.711 2 Temporary Railroad Crossing Symbol, Type C Tape ................................ Each
614.1000 Temporary Relocation of Stream ................................ .............................. Each
679.7000 Temporary Street Light Assembly ................................ ............................ Each
621.2400 Temporary Traffic Barrier ................................ ................................ ........ Linear Foot
641.2100 Temporary Traffic Control Signal System , Fixed ................................ .....Each
641.2200 Temporary Traffic Control Signal System , Portable ................................ .Each
621.2500 Temporary Traffic Protection ................................ ................................ ...Linear Foot
621.1 510 Terminal Connector for Steel Beam Guardrail ................................ ......... Each
203.4500 Test Borings ................................ ................................ .............................. Linear Foot
631.1700 Testing Equipment, Bitumi nous ................................ ................................ Lump Sum
631.1600 Testing Equipment, Concrete ................................ ................................ ....Lump Sum
631.1900 Testing Equipment, Grout ................................ ................................ ......... Lump Sum
631.1800 Testing Equipment, Protective Coatings ................................ ................... Lump Sum
201.3000 Thinning and Trimming ................................ ................................ ............ Acre
201.3100 Thinning and Trimming for Signs ................................ ............................. Each
621.2200 Thrie Beam Guardrail ................................ ................................ ............... Linear Foot
248.5400 Tiltmeter ................................ ................................ ................................ ....Each
651.3500 Topsoil ................................ ................................ ................................ .......Cubic Yard
621.1 560 Traffic Barrier Delineator ................................ ................................ ......... Each
641.1000 Traffic Control ................................ ................................ .......................... Lump Sum
641.1100 Traffic Control, All -Inclusive ................................ ................................ ....Lump Sum
678.2025 Traffic Signal Assembly ................................ ................................ ............ Each
678.2030 Traffic Signal Head Assembly ................................ ................................ ..Each
675.2100 Traffic Sign, Extruded Aluminum ................................ ............................. Square Foot
675.2000 Traffic Sign, Flat Sheet Aluminum ................................ ........................... Square Foot
628.4300 Transfer to New System, Sanitary Sewer, All -Inclusive .......................... Lump Sum
629.4300 Transfer to New System, Water, All -Inclusive ................................ ......... Lump Sum
656.5500 Transplanting Ground Cover ................................ ................................ .....Square Yard
656.5000 Transplanting Shrubs ................................ ................................ ................ Each
656.4500 Transplanting Trees ................................ ................................ ................... Each
680.3000 Travel Information Plaza ................................ ................................ ........... Each
680.2000 Travel Information Sign ................................ ................................ ............ Square Foot
680.7000 Tr avel Information Symbol ................................ ................................ .......Each
Index of Pay Items I-32 Pay Item Pay Unit
616.3500 Treated Timber Curb ................................ ................................ ................. Linear Foot
656.8500 Tree Protection ................................ ................................ .......................... Lump Sum
204.2000 Trench Excavation of Earth ................................ ................................ ......Cubic Yard
204.2200 Trench Excavation of Earth, Exploratory (N.A.B.I.) ................................ Cubic Yard
204.2100 Trench Excavation of Rock ................................ ................................ .......Cubic Yard
209.0100 Trenchless Excavation, Horizontal Directional Drilling ........................... Linear Foot
608.4500 Truck -Mounted Attenuator ................................ ................................ ........ Hour
608.5000 Truck -Mounted Attenuator, AWV/PV ................................ ...................... Hour
608.3700 Truck Rental ................................ ................................ .............................. Hour
656.1200 Tubelings ................................ ................................ ................................ ...Each
675.3300 Tubular Steel Sign Post ................................ ................................ ............. Pound
651.1500 Turf Establishment, General Seed ................................ ............................. Square Yard
651.1800 Turf Establishment, Sod ................................ ................................ ............ Square Yard
651.1600 Turf Establishment, Specialty Seed ................................ .......................... Square Yard
651.1700 Turf Establishment, Temporary Seed ................................ ........................ Square Yard
528.1100 Two Lane Temporary Bridge ................................ ................................ ....Lump Sum
203.2700 Unclassified Channel Excavation ................................ ............................. Cubic Yard
203.1700 Unclassified Excavation ................................ ................................ ............ Cubic Yard
605.200 6 Underdrain Carrier Pipe, 6 Inch ................................ ................................ Linear Foot
605.2 008 Underdrain Carrier Pipe, 8 Inch ................................ ................................ Linear Foot
605.2 012 Underdrain Carrier Pipe, 12 Inch ................................ .............................. Linear Foot
605.9500 Underdrain Flushing Basin ................................ ................................ .......Each
605.100 6 Underdrain Pipe, 6 Inch ................................ ................................ ............ Linear Foot
605.1 008 Underdrain Pipe, 8 Inch ................................ ................................ ............ Linear Foot
605.1 012 Underdrain Pipe, 12 Inch ................................ ................................ .......... Linear Foot
654.0040 Underground Sand Filter ................................ ................................ ........... Each
630.1000 Uniformed Traffic Officers ................................ ................................ .......Hour
625.7050 Utility Pad ................................ ................................ ................................ .Each
625.7030 Utility Pedestal ................................ ................................ .......................... Each
199.5291 Value Engineering Proposal Development Costs (N.A.B.I.) .................... Dollar
199.5292 Value Engineering Proposal Net Savings (N.A.B.I.) ................................ Dollar
199.5293 Value Engineering Proposal Payment Adjustment (N.A.B.I.) .................. Dollar
678.2040 Vehicle Detection System ................................ ................................ ......... Each
616.2100 Vertical Granite Curb ................................ ................................ ................ Linear Foot
616.2150 Vertical Granite Curb, Mountable ................................ ............................. Linear Foot
514.1000 Water Repellent, Silane ................................ ................................ ............. Gallon
Index of Pay Items I-33 Pay Item Pay Unit
655.0070 Wildlife Exclusionary Measures ................................ ............................... Lump Sum
655.0020 Wildlife Guide Fence ................................ ................................ ................ Linear Foot
655.0040 Wildlife Habitat Cover ................................ ................................ .............. Lump Sum
655.0030 Wildlife Shelf ................................ ................................ ............................ Linear Foot
625.6000 Wired Conduit ................................ ................................ ........................... Linear Foot
625.6002 Wired Conduit, 2 Inch ................................ ................................ ............... Linear Foot
625.6003 Wired Conduit, 3 Inch ................................ ................................ ............... Linear Foot
625.6004 Wired Conduit, 4 Inch ................................ ................................ ............... Linear Foot
625.6006 Wired Conduit, 6 Inch ................................ ................................ ............... Linear Foot
620.4100 Wood Brace for Woven Wire Fence ................................ .......................... Each
619.1500 Wood Marker Posts ................................ ................................ ................... Each
620.2500 Woven Wire Fence with Steel Posts ................................ ......................... Linear Foot
620.2600 Woven Wire Fence with Wood Posts ................................ ........................ Linear Foot
675.3100 W -Shape Steel Sign Post ................................ ................................ ........... Pound
619.1700 Yielding Marker Posts ................................ ................................ ............... Each
Index of Pay Items I-34 This Page Intentionally Left Blank This Page Intentionally Left Blank This Page Intentionally Left Blank This Page Intentionally Left Blank This Page Intentionally Left Blank 219 North Main Street, Barre, VT 05641
Source: Vermont Standard Specifications for Construction, 2024 Edition. Pages 1307–1380 of 1,380.