636.1-DESCRIPTION: This work shall consist of all necessary measures to maintain and to protect vehicular and pedestrian traffic, to protect the work in process, and to maintain traffic through, around or adjacent to the construction area, in accordance with these Specifications or as directed. The work shall include the furnishing and maintaining of all traffic control devices, flaggers and pilot truck; construction of temporary structures when required; labor, equipment and materials to keep the traveled road smooth, passable, and safe. 636.2-MATERIALS: Materials shall conform to the following requirements of Division 700, except as otherwise noted: MATERIAL SUBSECTION Aggregate 704.6 Class 1 * Asphalt Emulsion 705.4 SS-1, SS-1h, CBAEP, or AEM-1 ** Cationic Emulsified Asphalt 705.11 CSS-1 or CSS-1h ** Day As used in this Specification, a day is considered to be a 24-hour period. Pilot Truck A Vehicle of the pick-up or jeep type, equipped with a prescribed sign mounted on the rear portion of the vehicle in such a manner as to be easily visible by following motorists. Raised Pavement Markers and Other Pavement Marking Material 715.40 Traffic Control Devices Division 700 subsections referenced in Section 636.9 Traffic Zone Paint 711.41 (Type II) or 711.40 (Temporary Paint) * When aggregate for maintaining traffic is not to be part of any succeeding base or pavement course, the appropriate aggregate size shall be determined by the Engineer. If the aggregate is from an approved aggregate source, then it shall be accepted by visual inspection. If the contractor elects to use aggregate from an unapproved source, test results shall be provided to show that the liquid limit and plasticity index meet the requirements in Table 704.6.2B. ** SS-1, SS-1h, CSS-1 and CSS-1h may be diluted with water. When aggregate is to become part of any succeeding base, all requirements of Section 307 for base course shall apply. 636.2.1-Materials Certification: The Contractor will furnish a notarized Letter of Certification for all traffic control items. This letter shall state that the Contractor has inspected all materials upon arrival and that where applicable the materials are supplied from pre -approved DOH sources with respective lab numbers included on all invoices. The Contractor’s letter shall state that all traffic control devices, flaggers, pilot trucks, signs, temporary pavement marking materials, materials for temporary structures, aggregate for temporary roads, and dust palliatives all conform to the requirements specified in Section 636 of the Specifications and all related Contract Documents. This Letter of Certification is not allowed to be from any Subcontractor, nor will the Division accept any pass-through letters. CONSTRUCTION METHODS 636.3-CONTROL OF TRAFFIC THROUGH WORK AREAS: Control and protection of traffic through work areas shall comply with these Specifications and the provisions of the Plans. Traffic shall be maintained over the project, over such other routes as shown on the Plans, or as directed by the Engineer. The traffic route shall be kept as smooth as possible, passable and safe for anticipated speeds. All traffic control devices shall be fabricated and installed according to the manual, “Manual on Temporary Traffic Control for Streets and Highways”, latest version, published by the Division. The type of construction operation being perfo rmed will dictate the traffic control case (scheme) to be used as outlined in this manual and as called for on the Plans. All stockpiles of materials shall be located so that they will not interfere with traffic being routed through or adjacent to work ar eas. Stockpiles of materials shall be located a minimum of thirty (30) feet from the edge of the traveled roadway unless traffic is protected by a positive barrier. Parking areas for the Contractor ’s employees, and all other vehicles shall be at location s which do not interfere with the safety of the traveling public, and on freeway type facilities shall be a minimum of thirty (30) feet from the edge of the traveled roadway unless traffic is protected by a positive barrier. At the end of a day ’s operation the Contractor shall have no equipment or materials on the traveled roadway, median area or shoulders or in any areas which interfere with the safe movement of traffic. The traffic control plan specified in the contract for each traffic control situatio n is considered the plan to be followed by the Contractor. However, should the Contractor desire to adopt another traffic control plan during construction, this alternate method shall be submitted to the Engineer for review and approval at least 14 days i n advance of the commencement of work in the affected areas. The traffic control devices shall be installed immediately before the beginning of construction and shall remain in place only as long as they are needed and shall be removed immediately. Any t raffic control device that does not apply to the existing condition shall be removed, covered or turned so as not to be readable by oncoming traffic. All traffic control devices erected by the Contractor shall be maintained as indicated by the outcome of a weekly inspection, cleaned when directed by the Engineer and removed by the Contractor when conditions no longer warrant the devices. The Engineer may require more frequent inspections if, in his opinion, the conditions warrant this measure. Maintaining the traffic control devices shall include keeping them in good condition, correct position, and unobscured by weeds, brush, trees, work material or equipment. The Contractor shall designate a Traffic Control Supervisor who shall be responsible for administering the traffic control plan according to the Contract and has the authority to take all actions necessary for the safe control of traffic through the work zone. The Traffic Control Supervisor shall be American Traffic Safety Services Association (ATSSA) certified as a Traffic Control Technician or a Traffic Control Supervisor or shall demonstrate equal qualifications, approved by the Division, on projects of the following nature:
a.Projects having intermittent or continuous lane closures over the course of more than three consecutive or non-consecutive days on Interstate or expressway routes having an ADT of 25,000 or greater, or non -Interstate, non-expressway routes having an ADT of 15,000 or greater.
b.Projects otherwise noted in the Plans for which this requirement shall apply. The Contractor shall provide the Engineer with the telephone number and applicable proofs of certification of the Traffic Control Supervisor, along with the telephone number of any other person who is in charge of traffic control devices, in case of emergencies or outside working hours, submitted prior to traffic control device installation. All conflicting pavement markings, as determined by the Engineer, shall be eradicated by the Contractor as soon as practicable. The eradication shall be performed prior to shifting traffic. Positive barriers shall be either Temporary Barrier, or Temporary Guardrail Barrier, as specified in the Plans. Temporary Guardrail Barrier shall be installed with six (6) feet three (3) inches post spacing with block outs, unless otherwise specified. The end treatment for Temporary Guardrail Barrier shall be FET, TET, or STET as specified on the Standard Details. Payment for the end treatment shall be made under the regular pay item. The ends of the Temporary Barrier shall be either flared or protected, as shown on the Plans. Where Temporary Guardrail Barrier is used, a minimum clearance behind the guardrail of 4 feet from the back of the guardrail post shall be provided. For Temporary Barriers, the required Test Level and Deflection requirements shal l be supported from accredited crash test facilities with complete modeling, simulations and crash testing at said test levels. Temporary Barriers that control impacting vehicles by gating, capturing, or allowing the vehicle to penetrate the barrier shall not be acceptable. Barricades shall be used only as channelizing devices. When temporary guardrail barricades (mounted on barrels) are used, the ends of the guardrail shall be either flared or tapered as shown on the Plans. 636.4-AGGREGATES AND DUST PALLIATIVES: Aggregates required for the maintenance of traffic, water for use as dust palliatives, shall be furnished and applied as directed by the Engineer. Water shall be used on haul roads and any location on the project to minimize pollution from dust, when dust is creating a nuisance to the traveling public or adjacent property owners. No payment will be made for other dust control. Temporary roads shall be constructed when ca lled for, and such roads, as well as the road under construction, shall be surfaced and maintained with aggregates, as shown on the Plans or as directed by the Engineer. 636.5-TEMPORARY STRUCTURES: Temporary structures shall be constructed and maintained as shown on the Plans or as called for in the Proposal. The use of used material is acceptable; such material shall be inspected visually and accepted by the Engineer prior to its use. The design and plans for the temporary structure shall be in accordance to Section 105.2. 636.6-PILOT TRUCK AND DRIVER OR SHADOW VEHICLE: 636.6.1-Pilot Truck & Driver: A vehicle and a qualified driver shall be furnished by the Contractor when shown on the Plans or directed by the Engineer. 636.6.2-Shadow Vehicle: A shadow vehicle shall be furnished by the Contractor and used at the locations called for on the Plans or directed by the En gineer. A Shadow Vehicle shall consist of a commercial host vehicle equipped with a flashing or rotary yellow beacon which can be seen in all directions and a Truck Mounted Attenuator (TMA) or Trailer Truck Mounted Attenuator (TTMA) mounted on the rear. Wh en the shadow vehicle is no longer needed, it shall be relocated behind a positive barrier or off the job site in a safe location. TMA’s and TTMA’s utilized shall be listed on the Division Approved Products List (APL) for Impact Attenuators – MASH and shall meet the applicable requirements contained in Section 715.41. The Contractor shall utilize the TMA or TTMA in accordance with the manufacturer’s recommendations, shall be responsible for selecting an appropriate host vehicle configured in accordance with and meeting the manufacturer’s recommendations, and shall be responsible for taking into consideration all factors such as expected post -impact roll ahead distance for their specific operation at each differing location. In all cases, the Gross Vehicle Weight (GVW) of the host vehicle shall be within the range specified on the APL. This range is based on the parameters of the host vehicle weight(s) utilized during the MASH testing of the device. Test Level 2 devices listed on the MASH APL may o nly be utilized on roadways with a normal posted speed limit of forty (40) MPH or less. 636.7-ERADICATION OF PAVEMENT MARKINGS: All markings which may conflict with desired traffic moveme nt, as determined by the Engineer, shall be fully eradicated as soon as practicable. Eradication shall be performed prior to shifting of traffic. Eradication shall be performed by hydro -blasting, sand blasting, chemicals, burning with excess oxygen or other suitable method. Full eradication shall be defined as the removal of at least 90 percent (90%) of the existing marking. A 90 percent (90%) removal will be determined by the Engineer by comparison with the Eradication Visual Standard. This Standard c an be obtained from the Engineer. In addition to the visual comparison, the 90 percent (90%) removal level is defined such that there will not be any remaining surface of the original paint film in the eradicated area. The remaining 10 percent (10%) of the existing marking will appear to be as part of the texture of the pavement. The method used shall not materially damage the surface or texture of the pavement. Any damage caused by the Contractor's operations shall be corrected at the Contractor's expense and in a manner approved by the Engineer. The Contractor shall take precaution to protect the public from any damage due to their operations. Accumulation of sand, water, dust or other residue resulting from the eradication operation shall be removed as the work progresses. 636.8-TEMPORARY PAVEMENT MARKINGS AND RAISED PAVEMENT MARKERS: Temporary pavement markings and raised pavement markers shall be in accordance with 663. Temporary pavement markings, to be used in delineating pavement lane and edge lines, shall be either temporary reflectorized pavement marking tape or reflectorized paint as approved by the Engineer. When placing temporary pavement la ne markings to separate traffic traveling in the opposite directions, it should be noted that, if there is no passing in both directions, double-yellow solid lines shall be placed; i.e. single -yellow solid lines are prohibited for separating opposite flowing traffic. In addition to temporary marking tape or paint, temporary raised, reflectorized pavement markers shall be placed, when called for on the Plans, for added delineation, at approximately forty (40) foot intervals along the lane lines that separate traffic traveling in the opposite directions, with the markers centered transversely between double-yellow lines, or at the spacing required on the Plans. When temporary raised pavement markers are specified as an alternate to temporary paint or to temporary tape, the configurations shall be as follows: solid line -markers shall be placed on five (5) foot centers along the entire length of line; lane line - four markers shall be placed on three (3) foot four (4) inch centers with forty (40) foot spacing, first marker to first marker; double yellow-markers shall be placed on five (5) foot centers in pairs. Temporary pavement markings and raised markers shall be placed as soon as practicable after construction of a detour or other roadway requiring this type of delineation. Temporary raised pavement markers shall be shipped, stored, and placed in accordance with the recommendations of the marker manufacturer. The Contractor shall supply a copy of the manufacturer’s placement recommendations to the project Engineer upon request. If temporary raised pavement markers are to be placed on a newly placed asphalt final wearing course or a newly placed concrete surface, markers with a manufacturer pre-applied “peel and stick” adhesive pad, as allowed for in the Materials Specifications, shall be used. 636.9-TRAFFIC CONTROL DEVICES: Signing, delineation, and channelization devices for work areas include, but may not be limited to, signs, portable s ign stands, barricades, drums, cones, channelizer cones, delineators, and warning lights. Devices shall be installed in accordance with standards detailed in the manual “Manual on Temporary Traffic Control for Streets and Highways” (traffic control manual), latest version, published by the Division, or as shown on the plans. Devices shall be assembled and utilized in a manner that is consistent with the manufacturer’s recommendations pertaining to parameters such as size, weight, placement, and material makeup of potential device attachments, location, weight, and material makeup of additional device ballast, etc. Specific device restrictions or requirements noted by the WVDOH on the Approved Products List on which the device is listed shall be followed. In addition to any other requirements contained herein, the following requirements for specific devices shall be met: Drums Section 715.9.3.1 and listed on Flexible Plastic Drums MASH APL Channelizer Cones Section 715.9.3.2 and listed on Channelizer Cones MASH APL Cones Section 715.9.3.3 and meet MASH Test Level 3 requirements Note 1 Type I and II Barricades Section 715.9.3.4 and meet MASH Test Level 3 requirements Note 2 Type III Barricades Section 715.9.3.4 and listed on Type III Barricades MASH APL Surface Mounted Flexible Tubular Markers Section 715.9.3.5 and listed on Flexible Plastic Delineators MASH APL Soil Anchored Flexible Delineator Posts Section 715.9.3.6 and listed on Flexible Plastic Delineators MASH APL Guardrail Mounted Delineator Posts Section 715.9.3.7 and listed on Flexible Plastic Delineators MASH APL Type B-1 Delineators Section 715.9.3.8 and listed on Flexible Plastic Delineators MASH APL Portable Sign Stands Section 715.9.6 and listed on Portable Sign Stands MASH APL Portable Sign Stand Signs Roll-up signs shall be manufactured consistent with those used in the MASH testing of the stand using elastomeric retroreflective sheeting and fiberglass ribs. The signs shall be manufactured using Type AST M-VI material listed on the Division APL for Retroreflective Sign Sheeting, and matched components recommended by the sheeting manufacturer. Manufacturing methods shall be those recommended by the sheeting manufacturer. Signs shall be designed and fabricated in accordance with fabrication details provided in the Plans or the publication WVDOH Sign Fabrication Manual, as applicable. Rigid signs shall be manufactured in accordance with the requirements contained in Section 636.9.1 below. Warning Lights Section 715.9.5 Note 1: MASH Category 1 work zone device. No APL is maintained for this device type. As part of the Contractor’s Materials Certification described in Section 636.2.1, the Contractor shall provide a copy of the manufacturer MASH self-certification letter for each make and model to be used on the project. Note 2: MASH Category 2 work zone devices. No APL is maintained for these device types. As part of the Contractor’s Materials Certification described in Section 636.2.1, the Contractor shall provide a copy of a statement from the manufacturer referencing the applicable FHWA MASH acceptance letters, or test reports from FHWA qualifying crash testing laboratories, which demonstrate MASH compliance for each make and model to be used on the project. 636.9.1-Static Support Mounted Signs: Unless otherwise specified or allowed for by the Plans or Engineer, static ground mounted sign assemblies which are subject to being impacted shall be installed on u -channel supports listed on the Division APL for U -channel Post. All static ground mounted assemblies shall be considered subject to impact except for specific assemblies agreed upon by the Engineer. The installation of the supports and signs shall be in accordance with the applicabl e portions of Section 657 and the WVDOH Standard Details Book Volume II, latest version in regard to support depth, use of breakaway devices as required, sign offset, and sign mounting height. Support size and quantity shall be sufficient to support the assembly when subjected to wind loading. Signs shall be attached to the supports in accordance with the Standard Details or shall otherwise be attached to the supports in a manner to remain secure during impacts. For larger assemblies, the maximum number of u- channel or back -to-back u -channel allowed for on the Standard Details may be increased. However, no more than three (3) u-channel or two (2) back-to-back u-channel may be installed within a seven (7) foot width. An approved breakaway device shall be used with u-channel when required on the Standard Details and in all cases with back -to-back u -channel. Breakaway devices shall be those approved by the Division for use with the specific brand of supports used. Provided the supports are driven to the depth specified in the Standard Details, the concrete foundation required for permanent back -to-back u -channel may be omitted if allowed for by the breakaway device manufacturer. Variations to the requirements specified above such as number of supports within s even
7.feet, use of breakaway devices, and types of supports may be applied with the approval of the Engineer for assemblies, such as those shielded by barriers, agreed upon by the Engineer as not being subject to impacts. Requirements in the Standard Details for sign mounting height above the roadway shall be met. Unless otherwise called for on the Plans or approved by the Engineer, signs shall be fabricated using 0.080-inch aluminum substrate, sheeting materials listed on the Division APL for Retrore flective Sign Sheeting, and matched components recommended by the sheeting manufacturer. Aluminum composite material of a lighter weight than 0.080 -inch aluminum and approved by the sheeting manufacturer may also be used. Manufacturing methods shall be those recommended by the sheeting manufacturer. All orange signs shall be fabricated using Type ASTM-XI sheeting. The sheeting used for all other signs shall be in accordance with Section 661.2.3. Substrate splicing utilized to fabricate signs from substrates smaller than the intended sign size shall only be allowed along edges of signs greater than five (5) feet in length, shall only be allowed once every five (5) feet, and shall be spliced in a manner to prevent separation during impacts. Signs shall be desi gned and fabricated in accordance with fabrication details provided in the Plans or the publication WVDOH Sign Fabrication Manual, as applicable. The following static support mounted supplemental lead -in signs shall be provided and installed on projects meeting the requirements specified herein. The cost of furnishing, erecting, maintaining, and removal of these signs, including supports, shall be included in the units of Item 636011-* to be paid for each sign as indicated herein. At no time shall these signs be installed closer than 500 feet From any other work area signing. The Contractor shall install such signs during the initial mobilization phase of the project and shall promptly remove each sign at the completion of the project for which the sign was erected. 636.9.1.1-Project Funding Source Signs: Project funding source signs shall be installed if the Total Contact Bid Amount is $750,000 or greater, or as otherwise noted on the plans. The quantity and locations of the signs shall be as directed by the Engineer. The Contractor shall be paid 180 units of Item 636011-* for each assembly installed. These signs shall be fabricated in accordance with fabrication detail D40 -1 of the publication WVDOH Sign Fabrication Manual. The funding agencies and the dollar amounts involved will be furnished to the Contractor by the Engineer. 636.9.1.2-Give ‘Em A Brake Signs: Give ‘Em A Brake (GEAB) signs shall be installed if the project is on an Interstate Highway, an APD (Appalachian Highway Corridor), a controlled access highway with posted speed limit of 40 Miles Per Hour (MPH) or greater, or if otherwise noted on the plans. The Contractor shall be paid 300 units of Item 636011-* for each assembly installed. The signs shall be installed 500’-1500’ after the first lead-in work area sign unless the work zone is greater than one (1) mile, in length, in which case the GEAB sign shall be installed approximately ¼ mile in advance of the active work area. The signs shall be installed in both directions on the right side of the highway. GEAB signs shall only be installed in active work areas where workers are present and visible to passing motorists. During periods of inactivity in the work area, the GEAB signs shall be covered or removed. These signs shall be fabricated in accordance with fabrication detail G30 -1 of the publication WVDOH Sign Fabrication Manual. 636.9.1.3-Fines Doubled Signs: Fines Doubled signs shall be installed if the Total Contact Bid Amount is $750,000 or greater, and the following criteria are met:
1.Four lane Interstate or expressway roadways with a posted speed limit of 55 MPH or greater
2.Two lane roadways with a posted speed limit of 50 MPH or greater and with an ADT at 3,000 or greater These signs shall be f abricated in accordance with fabrication detail R20 -2 of the publication WVDOH Sign Fabrication Manual. The Contractor shall be paid 300 units of Item 636011-* for each assembly installed. These signs shall be installed approximately 500 f eet After the fi rst maintenance of traffic sign installed for each project. The signs shall be installed in both directions on the right side of the highway.
636.10 Cleaning of Traffic Control Devices:
Cleaning of all traffic control devices, when directed by the Engineer, shall consist of hand cleaning with a mild detergent followed by a thorough rinse with clear water. No harsh chemical, abrasive cleaner or tool shall be used that will damage the reflectorized surfaces or otherwise reduce the useful life of the device.
636.11 Flagger Or Traffic Director:
The flagger and traffic director are separate functions and therefore, shall not be interchanged. Flagger or traffic director required for operations that are not necessary but are initiate d by the Contractor for their benefit or ease of operations shall not receive payment. Flagger or traffic director required outside of the project limits as a result of any of the Contractor's operations shall not receive payment. Flagger or traffic director required within the project limits in regards to the Contractor's transportation to or from waste areas, borrow pits, asphalt/concrete plants or other necessary sites shall receive payment if considered reasonable and necessary by the Engineer. The traffic control plan (TCP) and any approved revisions will be strongly considered in determining the appropriateness of payment.
636.11.1 Flagger: All flaggers shall be furnished by the Contractor, and it shall be
the Contractor's responsibility to provide flaggers at any location necessary to assure the safety of the travelling public. Hand signaling devices and high visibility apparel meeting the requirements of the WVDOH Traffic Control Manual shall be used by the Contractor’s p ersonnel assigned to traffic control responsibilities. Approved headgear, if worn, and vests worn by the Contractor’s personnel shall not bear the Division symbol. Wireless two-way communication shall be provided to the flaggers when they are out of sight of each other. Flaggers must be certified by passing an American Traffic Safety Service Association (ATSSA) training. The Contractor may use noncertified flagger for their benefit, ease of operations, or other activities not receiving payment.
636.11.2 Traffic Director: Traffic Director shall be an off duty uniformed police
officer in properly identified police vehicle with blue lights. The traffic director shall be from police agency which will have territorial jurisdiction over the project limit s. Any officer outside of their vehicle within the roadway right of way, while serving as a Traffic Director, shall be outfitted in a Type P vest meeting the requirements of the latest version of ANSI/ISEA 107.
636.12 Temporary Impact Attenuating Device:
This device shall be a “stationary crash cushion” as described within Section F.82 of the manual “Manual on Temporary Traffic Control for Streets and Highways, 2006 Edition”. Devices utilized shall be listed in the applicable Class category on the Agency Impact Attenuators – MASH Approved Products List (APL). The type of Impact Attenuator utilized shall be a Test Level 2 or 3, Class 1 or 3 Impact Attenuator as defined in and meeting the requirements of Section 715.41, and as specified in the Plans. If space permits, a Test Level 3 device may be utilized where a Test Level 2 device is specified. Test Level 2 devices shall not be utilized on roadways with normal posted speed limits greater than forty (40) MPH. Only Class 1 devices noted on the APL as being approved for temporary work zone use may be used. All approved Class 3 devices are for temporary or emergency use only. In cases where a Class 3 device is specified, the array shall be properly designed for the obstacle to be shielded and shall be winterized in accordance with the manufacturer recommendations. Class 3 device arrays shall be designed for a minimum of forty-five (45) MPH for Test Level 2 and a minimum of sixty-five (65) MPH for Test Level 3. All Temporary Impact Attenuating Devices shall be installed and maintained fully in accordance with the specifications and recommendations of the device manufacturer. This shall include, but shall not be limited to, lateral slope and changes to lateral slope within the length of the device, anchoring (base to be anchored to as well as the anchoring system), backup, attachment to the obstacle being shielded, transitioning to the obstacle being shielded , winterization, delineation, repair, and cleaning. Impacted devices shall be maintained and returned to full impact capacity in a timely manner. Beginning 12 hours from the time and date upon which the Contractor is given documented notice of damage to an Impact Attenuating Device requiring repairs, the Contractor shall be subject to a penalty of $1,000 per Calendar Day (24 hrs.), or fraction thereof, until the necessary repairs are completed. This penalty shall not be temporarily suspended for any reaso n and shall apply regardless of the cause of the damage to the device. All labor, equipment, and materials required for the repair of impact attenuating devices shall be incidental to Bid Item 636060.
636.13 Channelizer Cones:
If specified in the project plans, Channelizer Cones may be utilized for channelization of traffic in lieu of drums. Note, when used for closures that will be in effect at night, these devices shall be spaced at a maximum of forty (40) feet where a spacing of fifty (50) feet is normally called for in the Traffic Control Manual. In addition, the maximum spacing of these devices in all lane or shoulder tapers, day or night, shall be twenty -five (25) feet. Traffic control setups ut ilizing Channelizer Cones are to be reviewed at least once every twelve (12) hours during non -work periods by the Contractor responsible for traffic control on the project.
636.14 Temporary Barrier:
Furnish, install, maintain, remove and dispose of temporary barrier in accordance with this specification and the contract plans.
636.14.1 Materials: Temporary Barrier manufactured before December 31,2019 shall
meet the requirements of NCHRP Report 350 and/or MASH-09 for the different test levels as shown in Table 3.1 “Test Matrix for Longitudinal Barriers” in NCHRP Report 350. Temporary Barrier manufactured after December 31, 2019, must have been successfully tested to the 2016 edition of MASH. Spe cific types of temporary barrier will not be used unless crash tested and approved by the Engineer. Historical performance will help determine use of a product. Poor performance may be grounds for non-acceptance. Temporary Barriers shall have adequate drainage slots to allow runoff to pass through. Temporary Barrier shall have 8” x 12” Type B-1 Delineators (white or yellow as appropriate) facing traffic at forty (40) foot centers.
636.14.2 Installation: This barrier type shall conform to the details on the Plans, set as
directed on the Plans, with the barrier sections securely connected together by satisfactory fastening devices to provide a more stable structure against impact. A Temporary Barrier In stallation Plan shall be approved according to Section 105.2.1.2 “Contractor Approval Method”. It shall have information adequate to ensure it meets the installation conditions below and shall include barrier type, barrier connection type, NCHRP/MASH test approval and data, individual segment length, anchorage details, end treatments, and transition details. The temporary barrier shall be placed to match test conditions as determined by the Engineer. These conditions may include, but not be limited to, anchorages, total length of barrier, individual segment length and connection details. Only one type of temporary barrier shall be used for any one continuous run of barrier in a project. To clarify, the entire length of temporary barrier shall not be int ermixed in regard to type of barrier, connection type, or individual barrier length unless that configuration has been tested. Anchorage spacing and installation, if required, shall be per manufacturer subject to shop drawing review and approval and meet or exceed test conditions. Shop drawing information shall include details for anchor removal and patching and/or repair of pavement or bridge deck. Where temporary barrier adjoins guardrail barrier, regardless of if one is temporary and the other is pe rmanent (newly constructed or previously in existence) or if both are temporary, they must be connected with a Temporary Guardrail Connector conforming to subsection
636.16 2.
Where temporary barrier adjoins bridge parapet or other essentially non-yielding barrier or obstacle, they must be joined in a manner to maintain barrier continuity and prevent vehicle snagging during impact. If they cannot be joined in this manner, a connection device must be used to assure barrier continuity and to prevent vehicle snagging during impact. When the temporary barriers are no longer needed, they will become the property of the Contractor, unless otherwise noted on the Plans. J-J Hook connections shall be tensioned by pulling the barrier segments apart to make this type connection “tight”. Vehicles, materials or any other equipment shall not be stored in the Temporary Barrier buffer area. Unless required as a part of the contract, vehicles and equipment shall not work in the Temporary Barrier buffer area and if required, shall be limited to that time that it is necessary to be in that area.
636.15 Removing and Resetting Temporary Barriers:
Temporary barriers that are to be relocated within a project shall be salvaged and reinstalled as specified in subection 636.14 and set as indicated on the Plans.
636.16 Temporary Guardrail:
636.16.1 Temporary Guardrail Barrier: Temporary guardrail barrier shall consist of
guardrail (beam) mounted on six ( 6) feet three ( 3) inches post spacing with blockouts, conforming to the requirements of Section 607. Where temporary guardrail barrier adjoins concrete barrier, bridge parapet, or other essentially non-yielding obstacle, regardless if one is temporary and the other is permanent (newly constructed or previously in existence) or if both are temporary, they must be connected with a Temporary Guardrail Connector conforming to subsection 636.16.2.
636.16.2 Temporary Guardrail Connector: This connector shall consist of the last 25
feet of guardrail (beam) prior to the physical connection to a non -yielding barrier or obstacle, mounted on three (3) feet 1½ inches post spacing with blockouts, conforming to Standard Sheet
G.R. 5 and an End Shoe conforming to Standard Sheet G.R. 2A. Four bolts shall be used in the End Shoe and standard posts may be substituted for the oversized wood posts.
636.17 Removing and Resetting Temporary Guardrail Barrier:
Temporary guardrail barrier that is to be relocated within the project shall be salvaged and reinstalled as specified in 636.16.
636.18 Electric Arrow:
The electric arrow panel shall be located as shown in the manual, "Manual on Temporary Traffic Control for Streets and Highways," or as shown on the Plans. For construction areas, the electric arrow shall be portable, trailer mounted on a nonreflective flat black panel forty- eight (48) inches high by ninety-six (96) inches wide with a minimum legibility distance of one mile. Minimum mounting height, measured from the roadway to the bottom of the panel, shall be seven (7) feet except on vehicle mounted panels which shall be as high as practicable. The electric arrow shall have the capability of the following mode selectio n: Left Arrow, Right Arrow, Left and Right Arrow and Caution, with Caution mode consisting of four or more lamps arranged in a pattern which will not indicate a direction. Arrow panels shall automatically dim 50 percent (50%) from their rated lamp voltag e during hours of darkness. The flashing rate of the lamps shall be between 25 and 40 flashes per minute. Minimum lamp "on time" shall be 50 percent (50%).
636.19 Portable Message Signs:
636.19.1 General: Portable Message signs shall consist of the furnishing, installing and
maintaining of a variable message sign on a portable trailer. Each unit shall be self-contained and consist of a display board, controller, power supply, electrical cable and adjustable height structural support system. It shall be equipped to accept power supply from a completely self- contained diesel generator, existing commercial electrical service, or battery pack which is recharged automatically by solar panels. The tr ailer system assemblage shall conform to the laws of the State of West Virginia and all articles of the licensing regulations presently in effect. The sign shall only be attached to its tow vehicle when installation or removal is in progress. The trailer and its leveling jacks shall be designed to keep the unit from changing its deployed position once placed. Devices that lock the wheels and/or leveling jacks into place shall be employed. Sandbagging of the frame and/or leveling jacks is not an acceptable manner of lock down. The unit shall be kept in good repair at all times. The Contractor shall maintain the device if failures occur. Failure, malfunction or damage to the unit for any reason shall require the Contractor to expedite the repair and furnish adequate signing and flaggers as deemed necessary by the Engineer to safely control traffic through the work area. Maintenance shall include periodic cleaning of the unit. All parts of the system shall comply with codes annotated in the National Fire Pr otection Association and Underwriters Laboratory and all local electrical codes. Earth ground shall be tied to the sign's chassis. Lightning protection shall be supplied for the load site.
636.19.2 Display: The Portable Message Sign shall be the disc matrix or LED lamp matrix
panel type capable of operating in temperatures from –30° to +160° F and capable of displaying alphanumeric characters and arrows. The sign panel assembly, including the mounting brackets, shall not exceed 128 inches in overall width. The bottom of the sign panel shall be a minimum of seven ( 7) feet above the roadway. A minimum character height of eighteen (18) inches, and character spacing at a minimum of two dots or one half the character width, unless otherwise approved by Engineer. The trailer shall be marked with a minimum of 200 square inches of four (4) inch alternating red/white conspicuity marking material (WV Type VI / Fed. Type IX Retroreflective sheeting) to be visible by motorists approaching the trailer from any direction. If battery backup (in event of power interruption) is called for on the plans, all functional operations to include sign lighting shall be operational up to two hours. Fluorescent lighting or LED lamp matrix shall be applied to provide nightti me visibility and the intensity of the sign shall be adjustable by automatically dimming or manual control.
636.19.3 Sign Types:
636.19.3 1-Changeable Message Sign: The Changeable Message Sign system shall
have three (3) lines, unless otherwise noted on the plans and shall conform to the general requirements of subsection 636.19.1. The unit shall have several preprogrammed messages and be capable of programming at least fifty new messages and storing such. The controller shall be housed in a weatherproof lockable cabinet that is accessible from a suitable mounting on the trailer. The controller shall be a microprocessor controller or laptop computer with an incorporated keyboard and CRT that allows the users to access, generate, and store messages. The controller display shall be a miniaturized approximation of the actual display or a message being assembled. The display shall be yellow or amber character on black background, a 7 x 5-character font. The cycle time and duration of message for a changeable message sign is a function of the highway operating speeds and the size letters displayed. The entire message should be visible at least twice at the operating speed. When traveling at 65 MPH (freeway speeds), a driver has approximately seven (7) seconds to read the message, the message should not be longer than four (4) words or numbers and not longer than two (2) units of information. The message displayed from each unit shall be visible from one-half (1/2) mile. The sign shall be capable of changing to and displaying a programmed default message or four corner dots flashing in the event of power failure.
636.19.3 2-Speed Monitoring Trailer: A Speed Monitoring Tr ailer system shall
conform to the general requirements of 636.19 and shall consist of a trailer, radar, and display. The unit should be operational only while work is in progress.
636.19.3 2.1-Radar: The radar unit shall be capable of an output in mile s per hour
(mph) and operating at a frequency of 24.15 GHz (K-Band) ± 100 MHz accurate to within 3 mph at a target speed of 10 to 199 mph.
636.19.3 2.2-Display: The display board shall be a minimum two -digit, high
brightness, amber display on a black bac kground. The system shall be equipped with a violator alert feature. This feature shall change the display from steady amber to flashing amber and flash the speed reading when a vehicle exceeds a programmable speed threshold. This threshold shall be adju stable. The display shall be mounted a minimum height of four (4) feet above the roadway. A seven (7) inch by thirty-six ( 36)-inch plaque reading “YOUR SPEED” in black letters on a yellow background shall be mounted directly above or directly below the display. The rack shall be secured with a lockable fastener and shall provide room to mount a minimum thirty ( 30) inch by thirty-six ( 36) inch speed limit sign (R2 -1) above the display.
636.19.4 Placement: Portable message signs that are not adequately shielded from
impacts by utilizing barriers or terrain as described herein to the satisfaction of the Engineer shall be operational at all times to provide clear visibility. This shall include time periods allowed herein when such devices are t emporarily no longer needed to serve their intended function of contributing to the efficient or safe operation of the work zone. In such cases the Contractor shall modify the speed displayed on the static speed limit sign accordingly if the speed limit in effect through the work area is changed, and changeable message signs shall be set to flashing warning mode or shall display an alternative generic message approved by the Engineer if a specific informational message is not currently required. In such c ases, if the device is not expected to be needed for an entire daylight period or for more than four (4) hours at night, the device shall be temporarily relocated to a shielded location or other location off of the shoulder, either of which shall be approved by the Engineer. Placement of and messages displayed on portable message signs shall be approved by the Engineer. A changeable message sign and a speed monitoring trailer are not to be placed where they conflict with one another. Plan placement loc ations may be adjusted as needed in the field, with the Engineer’s approval, in order to achieve greater advance sight distance and/or to utilize other existing devices or terrain features such as temporary barrier, guardrail, or benches to shield the device from impacts. A minimum sight distance of 800 feet should be achieved if possible, provided the device will maintain the operational function as intended by the placement location shown in the plans. Devices placed behind concrete barriers or guardrai l should be placed at and behind the downstream end of such features if possible. The approach to all portable message signs not adequately shielded from impacts to the satisfaction of the Engineer shall be delineated with traffic cones, channelizer cones, or drums. The delineation devices shall be tapered from the outside edge of the paved shoulder, or outside edge of the device if no paved shoulder exists, at a spacing of twenty-five (25) feet. The length of the taper shall be 150 -feet and shall end fifty ( 50) feet in advance of the device. The remaining fifty (50) feet leading up to the device shall be delineated with a minimum of three
3.additional delineation devices placed inside of the inside edge of the device and tangent to the roadway. Speed monitoring trailer systems shall be located within the area of the reduced work zone speed limit, but shall not be located within or before a transition or taper.
636.20 Temporary Traffic Signals Or Temporary Lighting:
636.20.1 Temporary Traffic Sign als: Temporary traffic signal work may involve
temporary modifications to existing permanent traffic signals or the installation of temporary signals. Temporary signal installations may entail the installation of traffic signals and associated equipment using wood pole supports, or the use of portable temporary traffic signal trailers. Individual signals or trailers at specific project Plan designated locations shall be interconnected and programmed to operate in a coordinated manner as a system. Tempora ry traffic signal work shall consist of furnishing, installing, maintaining, adjusting, and subsequent removal of various types of traffic signal components and equipment as necessary due to the maintenance of traffic plan. It shall include, but not be limited to, temporary traffic signals and traffic signal interconnections to be installed, and temporary modification to permanent traffic signals in accordance with Section 660 and Subsection 715.42 of the Specifications. As a minimum, temporary traffic si gnals shall be equipped with three -dial fixed time controllers. When temporary traffic signals are no longer needed, they will become the property of the Contractor. Existing permanent signals shall be modified as detailed in the plans to match the traffic pattern for each phase of construction work and shall be returned to their original condition at the completion of the project. Wood pole temporary traffic signal installations shall be in conformance with Standard Details Book Volume II sheet TES-23, Section 715.42.9.3, and Section 710.8.
636.20.2 Temporary Lighting: Temporary lighting shall consist of furnishing, installing,
maintaining, and subsequent removal of various types of lighting systems as necessary due to the maintenance of traffic plan. It shall include but not be limited to lighting to be installed in accordance with Section 662 of the Specifications. When the temporary lighting is no longer needed, it will become the property of the Contractor.
636.21 Temporary Pipe for Maintaining Traffic:
Temporary pipe for maintaining traffic shall conform to the requirements of section 604. 636.22: Blank
636.23 Method of Measurement:
The quantities of work done will be measured as follows:
636.23.1 Aggregate: The quantity of "Aggregate for Maintaining Traffic" will be
measured in tons of aggregate applied and accepted. The number of tons shall be determined by the total of the weights shown on receipted railroad freight bills when materials are shipped by rail; by actual measured displacement of barges certified by the producer when water shipments are made, providing materials delivered by the methods are not stockpiled or stored; or determined by the Contractor from the total of weigh slips for each vehicle load weighed on an approved standard scale or from digital printout slips from an automatic batching plant, and certified by the Contractor to be correct. Truck scales shall be provided by the producer or Contractor, except that truck scales are not required where the material is weighed at properly calibrated automatic batching plant facilities which are equipped with digital print-out equipment. The scales shall be of sufficient size and capacity to weigh the heaviest loaded trucks that are used for delivery of the material. All truck scales shall be mounted on solid foundations which will insure their remaining plumb and level. All truck scales shall be inspected and sealed by the West Virginia Division of Labor, Bureau of Weights and Measures, or other appropriate agencies of the State or its political subdivisions. The Division may , at its option, accept inspection and sealing by out of state agencies when the material is weighed outside West Virginia. A weigh person shall be provided by the producer. The weigh person shall certify that the weight of the material, as determined either by the truck scales or from the digital print-out of the weights, is correct. Each truck shall be weighed empty prior to each load, except at automatic batch plants approved to operate without truck scales. A digital recorder and print -out shall be required on all truck scales. The digital recorder shall produce a printed record of the gross, tare and net weights, and the time, date, truck identification and project number. Provision shall be made for constant zero compensation and further provision shall be made so that scales may not be manually manipulated during the printing process. The system shall be interlocked so as to allow printing only when the scale has come to rest. In case of a breakdown of the automatic equipment, the Engineer may permit manual operation for a reasonable time, normally not to exceed 48 hours, while the equipment is being repaired.
636.23.2 through 636.23.3: Blank
636.23.4 Temporary Structures: "Temporary Structures for Maintaining Traffic", as
detailed on the Plans or called for by the Engineer, shall be on a lump sum basis for completing, maintaining and removal of the work. Earthwork required for erection or removal of the structure, not measured and paid for by a specific item, shall not be measured or paid for and shall be incidental to Item 636005-*, Temporary Structure For Maintaining Traffic.
636.23.5 Pilot Truck and Driver: "Pilot Truck and Driver" shall be on a per day basis
and shall include auxiliary barriers and warning signs of all necessary types used in conjunction with the pilot truck.
636.23.6 Traffic Control Devices: "Traffic Control Devices" will be measured by the
number of units of traffic control devices used and accepted. The relative value of each traffic control device in units shall be as shown in the traffic control device rate schedule. The total units of traffic control devices shown in the Contract is an estimated amount only and may be adjusted up or down by the Engineer in accordance with the needs of the project. When more than one sign is attached to a post(s), mount(s) or barricade, the signs will be measured as a sign assembly and not as individual signs. The price bid per unit of traffic control devices shall include furnishing, maintaining and removing, filling drums with sand as required, providing sand bags as ballast on barricades, replacement batteries for flashers, turning, covering or otherwise causing signs to be unreadable to traffic when the message does not pertain to the existing condition and all other miscellaneous items required for maintaining traffic. Traffic control devices completely destroyed by traffic or any other means shall be replaced by the Contractor, with no additional payment to the Contractor. A payment of ¼ the rate shown shall be made to the Contractor for any traffic control devices that the Contractor moves more than 500 feet when directed by the Engineer. This rate shall not apply for continuous type operations such as resurfacing projects. Payment for continuo us type operations shall be made for the initial placement only. No additional compensation will be made for the moving of traffic control devices made necessary due to the nature of continuous type work. When Cones are specified as the temporary channelizing device in a project, the Contractor may, at their option, utilize Channelizer Cones in lieu of Cones. However, the unit value assigned to the Channelizer Cones in this case shall be equal to the established unit value assigned to Cones. TRAFFIC CONTROL DEVICES RATE SCHEDULE Device # Description Value in Units Each Traffic Control Device 1 Signs on portable mounts and barricades (Total sign area 16 sq. ft. or greater) 170 2 Signs on portable mounts and barricades (Total sign area less than 16 sq. ft.) 80 3 Signs on permanent posts (Total sign area 16 sq. ft. or greater) 180 4 Signs on permanent posts (Total sign area less than 16 sq. ft.) 90 5 Barricades-Type I 35 6 Barricades-Type II 60 7 Barricades-Type III 90 8 Drums 60 9 Cones 5 10 Vertical Panel or Ground Mounted Delineators 10 11 Barrier or Guardrail Mounted Delineators (Bid Incidental to Barrier or Guardrail) 0 12 Channelizer Cones 40 13 Oversize signs 300 Payment for furnishing, installing, and maintaining the work area signs indicating fines shall be as part of Item 636011-*. “Traffic Control Devices.” And all the previous provisions of this Article shall apply.
636.23.7 Water for Dust Palliative: Water for dust palliative will be measured and paid
for under Item 637001-*.
636.23.8 Eradication of Pavement Marking: The quantity of "Eradication of Pavement
Markings" shall be the square feet of line, symbol, and arrow material removed from the pavement. Quantity calculations shall be based on design widths of markings and the following tables, and shall not be based on field measurements of actual line widths which may be slightly less or greater than the design width due to overspray or spray guns being slightly out of adjustment. Add itional quantity shall not be added for additional effort required for removal of remnants of previously applied markings left exposed due to non -precise retracement. Description Value of Square Feet Edge Lines, Lane Lines, Centerline, Channelizing Lines, Stop and Crosswalk Lines, Stripes, Curb, and Island Markings 6-inch Line = # of feet of 6-inch line removed / 2 Example: 10 feet of 6-inch line removed / 2 = 5 SF 8-inch Line = # of feet of 8-inch line removed / 1.5 Example: 10 feet of 8-inch line removed / 1.5 = 6.7 SF 12-inch Line = # of feet of 12-inch line removed x 1 Example: 10 feet of 12-inch line removed x 1 = 10 SF 24-inch Line = # of feet of 24-inch line removed x 2 Example: 10 feet of 24-inch line removed x 2 = 20 SF Description Standard Detail Sheet * Value of Square Feet Symbol Markings Yield Triangle TEM-3 (sh 2 of 3) 2.8 Handicapped Symbol TEM-5 16.0 Bicycle Symbol TEM-3 (sh 2 of 3) 6.0 Arrows One Direction (Left/Right Turn) Arrow TEM-3 (sh 1 of 3) 17.0 Straight Arrow TEM-3 (sh 1 of 3) 12.0 Multi Direction Arrow TEM-3 (sh 1 of 3) 29.0 Wrong Way Arrow TEM-3 (sh 1 of 3) 24.0 Lane Drop Arrow TEM-3 (sh 1 of 3) 42.0 Roundabout with One Arrow, LE TEM-3 (sh 3 of 3) 28.0 Roundabout with One Arrow, TE TEM-3 (sh 3 of 3) 31.0 Roundabout with One Arrow, RE TEM-3 (sh 3 of 3) 15.0 Roundabout with Multiple Arrows, LTRE TEM-3 (sh 3 of 3) 43.0 Roundabout with Multiple Arrows, LRE TEM-3 (sh 3 of 3) 36.0 Roundabout with Multiple Arrows, LTE TEM-3 (sh 3 of 3) 39.0 Roundabout with Multiple Arrows, TRE TEM-3 (sh 3 of 3) 39.0 Lane Letter “R X R” TEM-3 (sh 2 of 3) 59.0 “SCHOOL” ** 34.0 Description Standard Detail Sheet * Value of Square Feet “X-ING” ** 21.0 “ONLY” TEM-3 (sh 2 of 3) 22.0 “STOP” TEM-3 (sh 2 of 3) 23.0 “RIGHT” TEM-3 (sh 2 of 3) 26.0 “LEFT” TEM-3 (sh 2 of 3) 20.0 “TURN” TEM-3 (sh 2 of 3) 24.0 “LANE” TEM-3 (sh 2 of 3) 24.0 “YIELD” ** 24.0 * WVDOH Standard Details Vol. II, latest edition ** Marking not included in the Standard Details. Value is based on 8 foot height lettering shown in the FHWA Standard Highway Signs and Markings book.
636.23.9 Temporary Pavement Markings -Paint: The quantity of “Temporary
Pavement Markings-Paint” shall be the linear feet of six (6) inch or eight (8) inch Solid line actually placed on the pavement.
636.23.10 Temporary Pavement Markings -Tape: The quantity of “Temporary
Pavement Markings-Tape” shall be the linear feet of six (6) inch or eight (8) inch Solid line actually placed on the pavement.
636.23.11 Temporary Raised Pavement Markers: The quantity of "Temporary Raised
Pavement Markers" shall be the actual number of markers placed on the pavement. Payment shall include the subsequent removal of the temporary pavement markers.
636.23.12 Cleaning of Project Traffic Control Devices: The quantity of "Cleaning of
Project Traffic Control Devices" shall be the actual number of times that all of the traffic control devices, including all channelizing devices, are cleaned on the entire project. Payment will be made for each time all the devices on the whole project are cleaned.
636.23.13 Cleaning of Individual Traffic Control Devices: The quantity of "Cleaning
of Individual Traffic Control Devices" shall be the actual number of individual traffic control devices cleaned. When temporary guardrail barricades are cleaned, each barrel will be considered an individual device when payment is made under this item. No additional payment shall be made for the cleaning of any delineator regardless of the type of material. Such costs shall be incidental to the cost of cleaning other traffic control devices. For cleaning purposes, any traffic control device attached to a barricade shall be considered part of the barricade. Similarly, any warning light attached to a sign shall be considered part of the sign.
636.23.14 Flagger: Flagger shall include the cost of furnishing, installing, maint aining
and moving of the "Advance Flagger" signs along with the actual flagging of traffic. The flaggers shall be paid for the actual authorized time controlling traffic and up to 30 minutes travel from a previous assignment.
636.23.15 Traffic Director: The quantity "Traffic Director" shall be the actual number of
hours worked in traffic control. The traffic director shall be paid for the actual authorized time controlling traffic which includes the cost for the police vehicle.
636.23.16 Temporary Traffic Signal: "Temporary Traffic Signal" shall include the
furnishing and installation of complete and operational temporary traffic control signals. It shall also include adjusting and/or furnishing equipment and/or components for existing traffic signals to address different phases of construction work. Payment shall include interconnection, maintaining, relocating, resetting, and removal of all equipment and material necessary to adequately meet the requirements of the Traffic Control Plan and shall be measured as complete unit and paid by the month, or fraction thereof, or Lump Sum as appropriate.
636.23.17 Temporary Barrier: The quantity of “Temporary Barrier” shall be the linear
feet of barrier actually placed. Payment shall include terminal connecting devices, delineators, anchoring, maintaining, dismantling, removal and disposal of the barrier and devices when no further use is required.
636.23.18 Removing and Resetting Temporary Barrier: The quantity of “Removing
and Resetting Temporary Barrier” shall be the linear feet of barrier reused in a different location. Payment shall include temporary storage if necessary, re -erecting, maintaining, dismantling, removal and disposal of the barrier.
636.23.19 Temporary Guardrail Barrier: The q uantity of "Temporary Guardrail
Barrier" shall be the linear feet of barrier actually placed, including the last twenty five (5) foot connector section. Payment shall include the dismantling, removal and disposal of the barrier and temporary connectors when no further use is required.
636.23.20 Removing and Resetting Temporary Guardrail Barrier: The quantity of
"Removing and Resetting Temporary Guardrail Barrier" shall be the linear feet of barrier reused in a different location. Payment shall include t emporary storage, if necessary, re - erecting, maintaining, dismantling, removal and disposal of the barrier.
636.23.21 Electric Arrow: The quantity of "Electric Arrow" shall be the actual number
of days that the arrow is used on the project.
636.23.22 Portable Message Sign: The quantity of “Changeable Message Sign” and
“Speed Motoring Trailer” shall be the actual number of days that the sign is used on the project.
636.23.23 Temporary Lighting: “Temporary Lighting” shall be on a lump sum basis and
shall include the furnishing, installing, maintaining and removal of all equipment and material necessary to adequately meet the requirements of the Traffic Control Plan.
636.23.24 Temporary Pipe for Maintaining Traffic: The quantity of "Temporary Pip e
for Maintaining Traffic" shall be the linear feet of pipe actually placed, as detailed on the Plans. Payment shall include the removal and disposal of the pipe when no longer needed.
636.23.25 Warning Lights: The quantity of "Warning Lights" shall be the actual number
of days that a light is used on the project.
636.23.26 Shadow Vehicle: A “Shadow Vehicle” shall be on a per-month basis and shall
include the flashing beacon, fuel, crew and truck-mounted attenuator used in conjunction with the vehicle. The Department will measure the item by actual number of months the vehicle is used on the project. Partial months will be paid for as a full month.
636.23.27 Temporary Impact Attenuating Device: One unit of “Temporary Impact
Attenuating Device” shall be paid at the time of initial installation of a device, as described in Section 636.12, at each unique location within the project. However, over the life of the project the Contractor shall not be paid for a quantity of this item exceeding the maximum number of individual devices required to be in place on the project at a specific time. E ach installation beyond this quantity shall be paid for using the “Remove and Reset Attenuator Device” item.
636.23.28 Remove and Reset Attenuator Device: This item shall be measured and paid
for in accordance with the provisions of Section 636.23.27.
636.24 Basis of Payment:
The quantities, determined as provided above, will be paid for at the contract unit price bid for the items listed below, which prices and payment shall be full compensation for furnishing all the materials and doing all the work prescribed in a workmanlike and acceptable manner, including all labor, tools, equipment, supplies and incidentals necessary to complete the work. When aggregate for maintaining traffic, dust palliatives, flagger, traffic director, cleaning of traffic control devices or the electric arrow are contained in the contract as pay items, payment for such pay items will not be made subsequent to the date of required completion of the project. “Temporary Structure for Maintaining Traffic” will be paid as partial payments with the following schedule:
i.The Contractor will be paid 75% of the bid price for this item after all the temporary structure work is complete and it is being used to maintain traffic. ii. The remaining 25% will be paid when it is all removed. If during the prosecution of the work, additional items under this Section, not included in the contract, are found to be necessary as determined by the Engineer, payment for such additional items will be made under the provisions of 104.3.
636.25 Pay Items:
ITEM DESCRIPTION UNIT 636002-* Aggregate For Maintaining Traffic, ** Ton 636005-* Temporary Structure For Maintaining Traffic Lump Sum 636006-* Pilot Truck And Driver Day 636007-* Eradication of Pavement Marking Square Foot 636008-* Temporary Pavement Marking-Paint Linear Foot 636009-* Temporary Pavement Marking-Tape Linear Foot 636010-* Temporary Raised Pavement Marker Each 636011-* Traffic Control Device Unit ITEM DESCRIPTION UNIT 636012-* Project Traffic Control Device Cleaning Each 636013-* Individual Traffic Control Device Cleaning Each 636014-* Flagger Hour 636014-* Traffic Director Hour 636017-* Temporary Barrier, TL-2, *** Linear Foot 636017-* Temporary Barrier, TL-3, *** Linear Foot 636018-* Remove and Reset Temporary Barrier Linear Foot 636019-* Temporary Guardrail Barrier Linear Foot 636020-* Remove And Reset Temporary Guardrail Barrier Linear Foot 636021-* Electric Arrow Day 636022-* Changeable Message Sign Day 636023-* Temporary Traffic Signals, Portable Note 1 Month 636023-* Temporary Traffic Signal, Wood Pole Note 2 Month 636023-* Temporary Traffic Signals, Modification to Permanent Traffic Signals Lump Sum 636024-* Temporary Pipe For Maintaining Traffic Linear Foot 636025-* Warning Lights, Type “Type” Day 636026-* Temporary Lighting Lump Sum 636027-* Traffic Control Site 636028-* Shadow Vehicle Month 636030-* Speed Monitoring Trailer Day 636060-* Temporary Impact Attenuating Device, C-“Class Number”, TL-“MASH Test Level” Note 3 Each 636060-* Remove and Reset Attenuator Device Each * Sequence number ** Type of aggregate such as stone, gravel, slag *** Deflection range (see below) Example: “636017 Temporary Barrier TL-3, IV ” Note 1: Units shall be computed as the total combined number of months that each portable temporary traffic signal trailer is operational on the project. Note 2: Wood pole supported temporary signals are only to be specified for projects with approval from the Traffic Engineering Division. Note 3: “Class Number” shall be 1 or 3 “MASH Test Level” shall be 2 or 3 Deflection Ranges: Supplemental Deflection Criteria Description I Minimal Deflection < 6 inch II Low Deflection < 24 inch III Medium Deflection < 60 inch IV High Deflection < 96 inch Deflection values are based on NCHRP testing for corresponding level and is permanent deflection measured at the bottom of the barrier.
Referenced in this section
Maintaining Traffic in other states
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Source: Standard Specifications for Roads and Bridges, 2023 Edition. Pages 542–563 of 1,006. View official source ↗