678TRAFFIC SIGNALS

678

6-332SECTION 678 – TRAFFIC SIGNALS

678.01DESCRIPTION . This work shall consist of furnishing, installing, or modifying a traffic signal,

including all items necessary to provide a complete and operational system.

678.02MATERIALS . Materials shall meet the requirements of the following subsections:

Granular Backfill for Structures ................................ ................................ ................. 704.08 Mortar, Type IV ................................ ................................ ................................ ......... 707.0 1(e) Aluminum Filled Silicone Sealant ................................ ................................ ............. 707.1 1 Paint for Traffic Control Signals ................................ ................................ ................ 708.06 Bar Reinforcement ................................ ................................ ................................ .....713.01 Carbon Steel Bolts, Nuts, and Washers ................................ ................................ .....714.04 High Strength Structural Bolts and Assemblies, 120 ksi ................................ ........... 714.05 Anchor Bolts for Signals, Lighting, and Overhead Signs ................................ .......... 714.09 Galvanizing ................................ ................................ ................................ ................ 726.0 6 Retroreflective Sheeting ................................ ................................ ............................. 750.0 4 Pedestal Posts and Bases ................................ ................................ ............................ 752.01 Traffic Signal As sembly ................................ ................................ ............................ 752.02 Traffic Signal Heads ................................ ................................ ................................ ..752.03 Traffic Signal Controllers and Cabinets ................................ ................................ ....752.04 Aerial Flashing Beacons ................................ ................................ ............................ 752.05 Electrical Conduit ................................ ................................ ................................ ......752.06 Traffic Signal Conductor Cable ................................ ................................ ................. 752.07 Vehicle Detectors ................................ ................................ ................................ .......752.08 Junction Boxes and Pull Boxes ................................ ................................ .................. 752.09 Accessible Pedestrian Signals ................................ ................................ .................... 752.10 Grounding Electrodes ................................ ................................ ................................ 752.11 Pan-Tilt-Zoom Camera ................................ ................................ .............................. 752.12 Emergency Vehicle Preemption System ................................ ................................ ....752.13 Concrete shall conform to the requirements of Section 541 for Concrete, Class HPA. Steel reinforcement shall conform to the requi rements of Section 507 .

678.03GENERAL REQUIREMENTS . Traffic signals shall be installed as shown on the Plans and as

specified in the Contract. All design details, submittals, materials, installation, and wiring shall be performed in accordance with the applicable documents listed below, and other industry standards as appropriate.

678 6-333 (a) National Electrical Code

Traffic Signals

678.04SUBMITTALS . The Contractor shall submit working drawings in accordance with Subsection

105.0 6. All submittals shall indicate, on the drawings or in the cover letter, that the Contractor has reviewed the submittals and that they are in conformance with the Contractor’s proposed installation procedures.

Subsection 678.03 and the Contract.

signal work that the work will be performed under the supervision of a licensed master electrician with IMSA Traffic Signal Construction Technician Level II certification.

programming data, shall be provided for new controller cabinets. When a new controller is 678 6-334 being installed with a new cabinet, they shall be tested together. When a salvaged controller is being installed in a new cabinet, the cabinet shall be tested using the same model controller running the proposed timings. Bench testing shall be performed by an independent third -party testing entity. The test shall be performed or supervised by a licensed professional engineer or technician with IMSA Traffic Signal Bench Technician Level II certification. A report shall be provided with the following information:

Controllers or cabinets shipped prior to Agency approval of the bench test results shall be at the sole risk of the Contractor. The Contractor shall be responsible for any costs related to a rejected controller or cabinet.

the following:

678 6-335 (5) Traffic Signal Assembly .

at the top of the foundation

standard listed

(c)(5)a.2. , and Subsection 678.04(c)(5)a.4. shall be shown for each

group loading and for the basic wind l oad applied to the two cases outlined in the AASHTO standard listed

complete specification or reference to the applicable ASTM standard

structure number on each sheet

support structure

plans

678 6-336 (6) Pedestal Posts . Fabrication drawings shall be provided identifying the following:

components of the vehicle detection system including, but not limited to, the following:

conformance with the manufacturer’s recommendations

identifying all components of the emergency preemption system including, but not limited to, the following:

conformance with the manufacturer’s recommendations.

ancillary equipment including, but not limited to, the following :

678 6-337 678.05 CONSTRUCTION REQUIREMENTS .

excavations, backfilling, and resurfacing work, including removal and replacement of curbs, sidewalks, paved surfaces, and any other materials necessary to complete the work in acco rdance with the applicable sections of the specifications. All pavement surfaces to be removed shall be saw -cut to the full pavement depth along the neat lines of the area to be removed. All landscaping and underground utility systems that have been dist urbed during construction shall be restored to their original condition upon the completion of the work. Backfill of suitable material shall be placed and compacted in layers not exceeding 6 inches. Backfill for footings shall meet the requirements of Subsection 704.08 .

meet the following requirements:

measured f rom the ground surface elevation to the bottom of footing elevation.

permanent casing is designed for, and appropriate supporting calculations are provided. The top two feet of soil shall be neglected for design purposes. A disposable circular concrete form, if used, shall not be placed deeper than two feet, in order to not reduce the friction between the soil and the concrete.

proper forms, which shall be removed. The excavated holes shall be at least two feet clear of the foundation sides and one foot deeper than the foundation. Care shall be taken to avoid excavating around the top of the foundation. The backfill material shall be compacted as described in Section 204 . The same design limits as for drilled footings apply.

requireme nts of Subsection 704.08 . It shall be compacted as described in Section 204 .

678 6-338 (5) Concrete for the foundation shall conform to the requirements of Section 541 . If a different class of concrete is required for drilled shaft foundations, it shall be inclu ded in the submittal.

conditions, the Contractor shall notify the Engineer and resubmit the foundation design.

Subsection 625.04(b).

The Contractor shall seal the ends of conduit sleeves with a material that will not decompose prior

to backfilling the sleeve.

Unless otherwise specified, the conduit shall be laid in a straight line with no bends except

preformed bends and at the entrance to a pull box, junction box, or a concrete base.

For metal conduit, all couplings shall be tightened until the ends of the conduit are together. Any

cutting of the conduit shall be made squarely so that the resulting ends will butt together over their

full area. The ends of conduits shall be reamed and have threaded connections. Slip joints or

running threads shall not be used for couplings. The exposed ends for all types of conduits shall

be capped with standard conduit caps until wiring starts, at which time they shall be replaced with

approved bushings.

Either elbows or sweeps may be used for entering concrete bases, but elbows shall be used at the

base of a service pole on the street quarter of the pole.

All unused conduit and void space in wired conduit that terminates in a traffic signal cabinet, mast

arm pole, junction box, or pull box shall be plugged with steel wool and capped with a standard

conduit cap.

678

shall be 25 ohms or less.

Additional grounding electrodes may be required, with a minimum spacing of 6 feet. When a

power service meter and disconnect are attached to a pole, there shall be a continuous ground wire

from the meter and disconnect, which may run internal to the upright, through the 1/2 inch flexible

tubing in the concrete base to the required grounding electrodes. The ground wire from the pole

grounding lug, controller cabinet, or luminaire may attach to this continuous grounding electrode

from the service meter and disconnect.

The Contractor shall perform a resistance to ground test on the continuous grounding electrode

from the service meter and disconnect and provide a submittal to the Engineer from a master

electrician certifying that the grounding electrode is continuous from the service meter and

disconnect and the resistance to ground is 25 ohms or less. If the resistance is greater than 25 ohms,

at least one additional ground rod will be required until the resistance is brought down to 25 ohms

or less.

be grounded.

The grounding electrodes shall be driven vertically until the top of the rod is at least 4 inches below

the finished ground at a location one foot from the pole foundation.

The grounding electrode coupling and grounding electrode shall be compliant with Subsection

752.11. Grounding electrodes shall be connected to the post or pole base using grounding

conductors in accordance with Subsection 752.11(c). The grounding electrode coupling shall be

attached to the grounding electrode by an exothermic welding process or UL listed mechanical

clamp.

directed by the Engineer.

678

at the locations shown on the Plans or as directed by the Engineer. The space between the

top of the concrete footing and metal base of the support shall be sealed with wire screen.

All poles shall be level and plumb in the final loaded condition. In the erection of posts and

poles, leveling nuts shall be provided for installation between the bases and concrete

foundation. When aluminum alloys encounter other materials, the contacting surfaces shall

be thoroughly cleaned and coated with a silicone sealant that will adhere to aluminum and

concrete. Before erecting the pole, the Contractor shall clean the top of the foundation of

any laitance, oils, grease, or any other deleterious materials.

The Contractor shall not install mast arm poles until the foundation has achieved 85% of

the specified 28-day concrete strength based on field cured cylinders.

be fabricated in accordance with the Contract. All components for mast arms and mast arm

poles shall be obtained from the same fabricator. Each mast arm pole shall include a pole

tag. The information shall be stamped on a metal tag riveted to the pole near the hand hole.

The tag shall include the following information:

678

All components shall be protected from damage during shipping and handling by wrapping

or other effective methods. Wrappings shall be removed no more than 5 calendar days after

receipt of components, or immediately if the wrappings become saturated. Failure to

comply with these requirements may lead to damage of the coating system and will be

cause for the rejection of the component. Any component that is determined to be damaged

beyond repair by the Engineer shall be replaced at no additional cost to the Agency.

galvanized. The assemblies shall be designed and fabricated to permit galvanizing on all

interior and exterior surfaces and shall be free of pockets and other structural obstructions

that will not permit proper deposition of zinc coating. Galvanizing and repairs to damaged

galvanized surfaces shall be in accordance with Subsection 726.06.

bottom of the base plate and the top of the concrete foundation. The wire screen shall be in

full contact with the top of the mast arm pole foundation and the mast arm pole base plate.

The wire cloth shall be stainless steel with a 1/4 inch maximum opening and a minimum

wire diameter of No. 16 AWG with a 2 inch lap. It shall be secured with 3/4 inch stainless

steel banding after anchor bolts are fully tightened.

accordance with Subsection 677.03. After installation, a minimum of two threads on the

bolt shall be exposed above the nut.

The flange bolts shall be capable of resisting 133% of the full design stress of the tube at

its yield strength stress. Flange bolts shall be tensioned in accordance with Subsection

506.18. Direct tension indicators are required

and hardware shall be galvanized in accordance with Subsection 726.06.

shall be performed in accordance with Subsection 506.10.

High strength bolts, nuts and washers shall be tensioned in accordance with Subsection 506.18.

Field verification testing for direct tension indicators is not required.

678

All materials greater than 1/2 inch thick shall meet the Charpy V-notch impact requirements for

the specified material. Testing and sampling shall be in accordance with AASHTO T 243.

Horizontal members shall be cambered as specified on the Plans.

by the Engineer. The cabinet shall be oriented so that the door opens away from the intersection

or roadway and does not block a sidewalk or passageway.

The cabinet assembly shall consist of a traffic controller, ancillary equipment (including monitors,

load switches, flasher, flash transfer relay, power supplies), and other equipment wired into a

controller cabinet to make a complete and operational assembly. All cabinet assemblies shall

provide functionality that meets or exceeds operational characteristics, including NTCIP support,

as described in NEMA TS 2. All wiring shall be neat and secured and comply with all necessary

electrical codes.

The cabinet shall be ground mounted unless otherwise specified on the Plans. Ground mounted

cabinets shall be installed on a level, concrete foundation in conformance with Section 541.

Ground mounted cabinets shall be sealed at their base with aluminum filled silicone sealant in

conformance with Subsection 707.11. If the Plans specify that the cabinet be installed on an

extended base, the area where the extended base meets the cabinet assembly and where it meets

the concrete foundation shall be sealed with aluminum filled silicone sealant in conformance with

Subsection 707.11.

The cabinet shall be supplied with signal layout sheets, wiring diagrams, pin assignment chart,

conductor phase assignments, and manuals for circuits and components. These documents shall be

stored in the cabinet in a resealable, weatherproof container, with the signal sheet laminated. All

equipment installed within the cabinet shall be labeled on the cabinet shelving. The turn-on or

switch-over date shall be labeled inside the cabinet door.

The traffic signal controller and auxiliary equipment shall be installed within the traffic signal

cabinet as specified on the Plans.

All equipment installed in the traffic signal cabinet shall be in accordance with Section 752. The

Contractor shall provide an electronic copy of the final controller configurations prior to

acceptance of the traffic control signal system.

Engineer. Horizontal spacing of the signal heads and vertical clearances shall meet the

requirements of the MUTCD and the Plans.

678

All signal head wires shall be continuous runs from the signal head to the controller cabinet. A

separate neutral circuit shall be wired and returned to the controller cabinet from each phase. All

terminal blocks shall be installed behind the red signal housing.

Where traffic signals are installed and not put into service immediately, or placed out-of-service

temporarily, signal heads shall be covered in order to conceal them. The Contractor shall conceal

the signal heads by securely placing burlap bags or other coverings approved by the Engineer. The

covering shall be open at the bottom to prevent the buildup of condensation.

shall only be made at pull boxes, junction boxes, or pole bases. All splices shall be electrically and

mechanically secure and shall be insulated for 600 volts. The completed splice shall be watertight

and shall test electrically equal to or greater than the cable. All splices shall be soldered, using

rosin core solder, and then be fully sealed using a method approved by the Engineer.

Unless otherwise shown on the Plans, each cable shall have a minimum of 3 feet of slack in each

box or base.

Where shown on the Plans, wired conduit may be either pre-wired before the conduit is installed

or the wire may be installed after the conduit is installed. The Contract item for wired conduit

includes both the conduit and the wires contained within the conduit, however, the wires and the

conduit shall not be attached to each other and the wires shall be readily pulled from the conduit

for replacement without excessive effort.

Except when otherwise shown on the Plans, the minimum size for installed conduit shall be

nominal 2-inch inside diameter conduit or it shall match the size of the existing conduit to which

it is to be attached. In either case, the installed conduit shall be of sufficient inside diameter to

contain wiring of a size such that the voltage drop in the secondary circuits will not exceed 3%.

Wiring conduits shall have a sufficient inside diameter such that the combined cross-sectional area

of the wiring does not exceed the percentage of conduit fill specified in the National Electrical

Code. Conduits shall, in accordance with the other requirements of this subsection, contain all the

wiring necessary to make the completed system or subsystem functional.

Where electrical wiring is shown on the Plans, the Contractor shall remove the existing wiring, if

such exists, from the existing conduit, strain pole, streetlight pole, or bracket arm and shall install

new wiring meeting all code and specification requirements. The wiring shall be of a size such that

the voltage drop in the secondary circuits will not exceed 3% and the wiring shall contain only the

number of conductors necessary to make the completed system or subsystem function.

678

The minimum wire sizes for circuits shall be as specified in Table 678.05A.

TABLE 678.05A – MINIMUM SIGNAL WIRE SIZES

Service AWG

From supply to disconnect No. 6

Ground No. 6

Disconnect to controller or flasher No. 6

Controller to signals or beacons No. 14

Controller to pavement units No. 14

Controller to push button No. 14

Interconnect figure 8 No. 12 (solid)

There shall be a neutral wire for every eight or fewer ungrounded conductors.

The Contractor shall furnish and install sufficient cable and wire to operate the system properly as

shown on the Plans and as specified and shall provide at least two spare conductors in all signal

and interconnect cable runs, including emergency and railroad preemption cables.

Where practicable, the Contractor shall wire the system in accordance with the color-coding

system specified in Table 678.05B.

TABLE 678.05B – SIGNAL WIRE COLOR-CODING

Wire Color Application

Red Red light

Orange Yellow light

Green Green light

White Common ground for all signals

and exposed metal parts

Blue Arrows

Remaining Push buttons and spare

Green wires shall be tagged NOT GROUNDED

WIRES

678

When wiring vehicle signal heads, the Contractor shall install a minimum of one No. 14 AWG 7-

conductor signal cable from the controller cabinet to the mast arm pole base for each phase. For

vehicle signal heads, the Contractor shall install a minimum of one No. 14 AWG 7-conductor cable

for each signal phase to the base of the mast arm pole wired in parallel. For pedestrian signal heads,

the Contractor shall install a minimum of one No. 14 AWG 5-conductor signal cable from the

controller cabinet to each pedestrian head installation (no more than 3 wires per terminal) and push

button location to operate either one or two pedestrian signal heads. Pedestrian buttons shall use

“home run” wiring back to the signal cabinet with no more than 2 wires per terminal per phase.

Colored electrical tape intended to denote what phase the wiring is associated with shall be

wrapped around the corresponding wire within the cabinet as specified in Table 678.05C.

TABLE 678.05C – ELECTRICAL TAPE COLOR-CODING

Phase Electrical Tape Color

Phase 1 1 blue stripe

Phase 2 1 green stripe

Phase 3 1 yellow stripe

Phase 4 1 red stripe

Phase 5 2 blue stripes

Phase 6 2 green stripes

Phase 7 2 yellow stripes

Phase 8 2 red stripes

Pedestrian Orange stripe with

associated phase stripes

work associated with the vehicle detection system shall be completed prior to testing and turn-on

of the traffic signal system.

All equipment shall be installed and wired in a neat and orderly manner in conformance with the

manufacturer’s instructions. All of the vehicle detection system components shall be current

production equipment produced by the same manufacturer for system operation compatibility

purposes unless otherwise specified.

678

The Contractor shall install the detector to achieve the desired fields of detection as shown on the

Plans or as directed by the Engineer.

Routing of the detector cable shall provide a drip loop for protection of the detector and connector.

The detector cable shall be installed as a continuous run with no splices from the detector to the

processor in the traffic control cabinet unless specified otherwise by the manufacturer.

The Contractor shall be responsible for furnishing all training, labor, materials, cables, connectors,

tools, equipment, shipping, and incidental items necessary to complete the installation and make

the vehicle detection system fully operational.

as directed by the Engineer. The camera shall be installed in a location with optimal view of the

intersection per the manufacturer’s guidance.

Plans or as directed by the Engineer. A pedestrian actuation sign shall be included with each push

button assembly. Tactile arrows shall be aligned parallel with the direction of the crossing.

the Plans or as directed by the Engineer. Pedestal post assemblies shall consist of a pole,

transformer base, and concrete foundation. All grounding shall meet the requirements of

Subsection 678.05(f).

directed by the Engineer. Work shall consist of furnishing and installing flashing beacon signal

heads, including poles, mounting equipment, signal cable, flash relay, and enclosure at the

locations shown on the Plans or as directed by the Engineer.

The Contractor shall notify the Engineer a minimum of 48 hours prior to replacing existing or

installing new aerial flashing beacons. A uniformed traffic officer shall be present to maintain

traffic while the work is being performed as directed by the Engineer.

All existing flashing beacon signal heads to be replaced shall be replaced with new LED flashing

beacon signal heads at the locations shown on the Plans or as directed by the Engineer. All existing

flashing beacon signal heads and mounting equipment replaced shall be disposed of by the

Contractor.

678

orderly manner in conformance with the manufacturer’s instructions. All emergency vehicle

preemption system components shall be current production equipment produced by the same

manufacturer for system operation compatibility purposes unless otherwise specified.

All traffic signal installations shall be supplied with a single emergency vehicle preemption

receiver for each mainline approach to the intersection as noted in the major list of equipment or

as directed by the Engineer.

Emergency vehicle preemption system receiver and confirmation strobe locations shall be

determined by the Contractor in accordance with the manufacturer’s guidance, if available.

Confirmation strobes shall serve to validate to the driver of the emergency vehicle that the traffic

signal has recognized the preemption call and will initiate the proper preemption sequence. The

confirmation strobes shall be illuminated whenever any emergency vehicle triggered preemption

green is on. The confirmation strobes shall have a red lens.

The emergency vehicle preemption system shall have full ID and logging capabilities.

Programming of the emergency vehicle preemption system shall be via a PC-based computer using

unit-specific software. A hard copy of final programming data shall be left in the controller cabinet.

The Contractor shall supply a complete set of interface cables for laptop connection in each

controller cabinet.

The Contractor shall coordinate with local emergency services to test the emergency vehicle

preemption system prior to the beginning of the 30 calendar day test period.

complete.

related signing in place. Full operation for a new installation or switch-over for replacement

signals shall not be initiated except in the presence of the Project Manager, Traffic Signal

Operations Engineer, or a designated representative. A uniformed traffic officer shall be

required at every turn-on.

system to another do not require a flash period.

shall be operated in flash mode for a minimum of 48 hours prior to being put into

full operation.

678

inspection to start the 30 calendar day test period shall be scheduled. Each traffic control

signal system shall successfully complete a minimum 30 calendar day test period. The

required 30 calendar day test period for the signal system shall not begin until all

construction of the signal system has been completed and the Engineer has received notice

from the responsible Agency parties that all paperwork, including fabrication drawings,

materials certifications, bench test reports, etc., related to the signal equipment and

installation have been completed to the satisfaction of the Agency.

test period.

Operations Engineer, or their representatives, will be conducted to start the 30

calendar day test period. A written punch list of items will be provided to the

Contractor to correct by the end of the 30 calendar day test period.

satisfactory operation.

If a component or system fails or shows unsatisfactory performance, the condition shall be

corrected and the test restarted until 30 calendar days of continuous satisfactory operation

have been completed.

The traffic signal will not be accepted until successful completion of the test period.

Once the 30 calendar day test period has been successfully completed, the Engineer will

notify the Project Manager and the Traffic Signal Operations Engineer that the above

criteria have been met and that the Agency is now responsible for the maintenance of the

traffic control signal system. The name of the power company and the account number on

the power bill shall be included for the District Transportation Administrator’s records.

maintenance costs for new and existing signals and beacons, starting from the installation of

construction approach signing and lasting until project acceptance. This period shall include any

winter shutdowns during the Contract period. Replacement of poles, cabinets, or controllers will

not be considered maintenance costs unless the loss is due to the Contractor’s negligence.

678

At the discretion of the Engineer, the Contractor may be required to replace poles and cabinets or

controllers that are lost or damaged due to an accident, or to perform routine repairs to existing

signals that are not necessitated by the Contractor’s operations. If required, such work will be

considered extra work under Subsection 109.06 and additional payment will be allowed. Any

equipment that is defective or damaged prior to the beginning of the Contract shall be maintained

in at least as good condition until it is replaced as part of the Contract.

678.06METHOD OF MEASUREMENT. The quantity of Removal of Existing Traffic Control Signal

System to be measured for payment will be the number of each traffic control signal system removed in

the complete and accepted work.

The quantity of Cabinet Assembly; Mast Arm Pole Foundation; Pedestal Post Assembly; Pedestrian Signal

Assembly; Traffic Signal Assembly; Traffic Signal Head Assembly; Flashing Beacon, Aerial Mounted;

Vehicle Detection System; Pan-Tilt-Zoom Camera; and Emergency Vehicle Preemption System to be

measured for payment will be the number of each installed in the complete and accepted work.

678.07BASIS OF PAYMENT. The accepted quantity of Removal of Existing Traffic Control Signal

System will be paid for at the Contract unit price per each. Payment will be full compensation for removing

and handling the existing traffic control signal system components as specified in the Contract and for

furnishing all labor, materials, tools, equipment, and incidentals necessary to complete the work.

The accepted quantity of Cabinet Assembly will be paid for at the Contract unit price per each. Payment

will be full compensation for furnishing all training, labor, materials, tools, equipment, wiring, and any

incidentals necessary to complete the work.

The accepted quantity of Mast Arm Pole Foundation will be paid for at the Contract unit price per each.

Payment will be full compensation for furnishing all labor, materials, tools, equipment, and incidentals

necessary to complete the work.

The accepted quantity of Pedestal Pole Assembly will be paid for at the Contract unit price per each.

Payment will be full compensation for providing the pedestal pole; transformer base including grounding

lugs and related mounting hardware; concrete foundation, leveling shims, corrosion prevention; and all

training, labor, materials, tools, equipment, and incidentals necessary to complete the work.

The accepted quantity of Pedestrian Signal Assembly will be paid for at the Contract unit price per each.

Payment will be full compensation for furnishing pedestrian signal heads, mounting hardware, all training,

labor, materials, wiring, tools, equipment, and incidentals necessary to complete the work. The pedestal

pole assembly will be paid separately.

678

The accepted quantity of Traffic Signal Assembly will be paid for at the Contract unit price per each.

Payment will be full compensation for furnishing all training, labor, materials, tools, equipment, and

incidentals necessary to complete the work.

The accepted quantity of Traffic Signal Head Assembly will be paid for at the Contract unit price per each.

Payment will be full compensation for furnishing all training, labor, materials, tools, equipment, wiring,

and incidentals necessary to complete the work.

The accepted quantity of Flashing Beacon, Aerial Mounted will be paid for at the Contract unit price per

each at each designated location. Payment will include strain poles, span wire, attachment hardware,

beacon heads, and all other materials necessary for a fully operational flashing beacon system. Sign posts

and panels will be paid for under the applicable Contract items.

The accepted quantity of Vehicle Detection System will be paid for at the Contract unit price per each.

Payment will be full compensation for furnishing all training, labor, materials, tools, equipment, wiring,

and incidentals necessary to complete the work. Removal and disposal or salvage of existing detection

systems will be considered incidental to other Contract items.

The accepted quantity of Pan-Tilt-Zoom Camera will be paid for at the Contract unit price per each.

Payment will be full compensation for furnishing all training, labor, materials, tools, equipment, wiring,

and incidentals necessary to complete the work.

The accepted quantity of Emergency Vehicle Preemption System will be paid for at the Contract unit price

per each. Payment will be full compensation for furnishing all training, labor, materials, tools, equipment,

wiring, and incidentals necessary to complete the work. Removal and disposal of existing emergency

vehicle preemption systems will be considered incidental to other Contract items.

Engineer of notice from all responsible Agency parties that all paperwork related to the

beacon installation has been completed to the satisfaction of the Agency, and upon

installation of a functioning system as indicated by a successful continuous 24-hour

operation test period.

the 30-day test control period.

678

Pedestrian Signal Assembly; Traffic Signal Assembly; Traffic Signal Head Assembly; Vehicle

Detection System; Pan-Tilt-Zoom Camera; and Emergency Vehicle Preemption System will be

made as follows:

Engineer of notice from all responsible Agency parties that all submittals related to the

signal installation have been completed to the satisfaction of the Agency.

functioning system as indicated by a successful continuous 24-hour operation test period.

completion of the 30 calendar day test period.

Payment will be made under:

Pay Item Pay Unit

678.1000 Removal of Existing Traffic Control Signal System ................................Each

678.2005 Cabinet Assembly .....................................................................................Each

10 Mast Arm Pole Foundation .......................................................................Each

15 Pedestal Post Assembly ............................................................................Each

20 Pedestrian Signal Assembly......................................................................Each

25 Traffic Signal Assembly ...........................................................................Each

30 Traffic Signal Head Assembly ..................................................................Each

35 Flashing Beacon, Aerial Mounted ............................................................Each

40 Vehicle Detection System .........................................................................Each

45 Pan-Tilt-Zoom Camera .............................................................................Each

50 Emergency Vehicle Preemption System ...................................................Each

679

6-352SECTIO N 679 – STREE T LIGHTING

679.0 1 DESCRIPTION . This work shall consist of removing, furnishing, and installing the street lighting components and other illumination elements necessary to provide a complete and operational system. Street light assemblies shall consist of light pole foundations, transformer bases, light poles, bracket arms and luminaires. 679.0 2 MATERIALS . Materials shall meet the requirements of the following subsections: Anchor Bolts for Traffic Signals, Lighting and Overhead Signs ............................... 714.09 Grounding Electrodes ................................ ................................ ................................ 752.1 1 Light Pole Foundations ................................ ................................ .............................. 753.01 Transformer Bases ................................ ................................ ................................ .....753.02 Light Poles ................................ ................................ ................................ ................. 753.03 Bracket Arms, Aluminum ................................ ................................ .......................... 753.04(a) Bracket Arms, Steel ................................ ................................ ................................ ...753.04(b) Luminaires ................................ ................................ ................................ ................. 753.05 Highway Illumination Conductor Cable ................................ ................................ ....753.06 Finish of Highway Illumination Components ................................ ............................ 753.07 679.0 3 GENERAL REQUIREMENTS . Street lights shall be installed as specified in the Contract. Street lights shall be designed to withstand a 100 mph wind load with an allowable angular deflection of 70 arc minutes or less. Street lighting design shall conform to the AASHTO Standard Specifications for the Structural Supports for Highway Signs, Luminaires , and Traffic Signals . All wiring shall meet the requirements of the National Electrical Code . 679.0 4 SUBMITTALS . The Contractor shall submit fabrication drawings in accordance with Subsection 105.0 6. The submittal shall contain the following information, at a minimum:

to the light pole foundation .

be supplied .