Wisconsin WisDOT Standard Specifications (within FDM) — Section 661

Effective with the December 2018 Letting 498 2019 Standard Spec ifications Section 661 Temporary Traffic Signals and Temporary Ramp Meters

661.1Description

(1)This section describes providing, maintaining, and removing br idge and intersection temporary traffic

signals, and temporary ramp meters.

661.2Materials

661.2.1 General

(1)Furnish control cabinet, signal c ontroller, and control equipment. Provide a cabinet with a Corbin #2

door lock and an access door tha t allows placing the controller in emergency flash. Provide keys to the access door to the engineer and la w enforcement agencies as req uired. Also provide a manual control accessible by the police. Supply a controller capable of executing the timing program supplied in this contract for this te mporary traffic signal. Test traffic signal control cabinets before installation. The department may request timing inte rval changes during the proje ct as required by construction or traffic conditions. Make engineer- requested changes within 24 h ours.

(2)Ensure that the signal contro ller is capable of operating with a non-intrusive detection system and

emergency vehicle preemption (EVP) system. Furnish a NEMA monit or for the controller. Test the monitor with an automated progra mmed testing system. Test annua lly if used for more than one year. This test verifies that the monito r complies with the intersection requirements. Attach a copy of the monitor test report to the monito r, and provide a copy to the a uthority having jurisdiction of the intersection.

(3)Provide the temporary electrical service for temporary traffic signals according to the requirements of

the applicable electrical utility. Provide an affidavit to the electrical utility in a timely manner so the electrical utility can schedule service turn on. If the control cabinet is not mounted on the electrical service pole, add a second electrical service disconnect to the outside of the control cabinet for the convenience of emergency pers onnel. If required, install the el ectrical service.

(4)Furnish traffic signal components from the department's QPL and conforming to 658.2 . The contractor

may furnish engineer-app roved used components.

(5)Provide equipment to establish detection zones as the temporar y signal plans show. Submit a list of

proposed equipment and locations to the engineer for approval; do not install before the engineer approves. 661.2.1.1 Wood Poles Class 4

(1)Furnish jack pine, Norway pine , or western red cedar poles con forming to ANSI O5.1.

(2)Trim or shave poles by machine or hand to leave a smooth surfa ced pole exterior.

(3)Use marking code letters to provide the minimum information as follows: supplier's name or

trademark, plant location and year of treatment, code letters d enoting the pole species and preservative used, and class numeral and pole length. The engin eer may refuse the pole upon inspection depending on the phy sical condition of the pole.

(4)Burn above information legibl y, permanently, and squarely on t he face of each pole, 10 feet +/- 2

inches from the butt of each pole. Make these letters not less than 5/8 inch high.

(5)Brand, hammer-stamp, or die-stam p these same 4 items into the bottom of each pole butt. Make these

letters not less than 5/8 inch high. Attach a metal tag with these same 4 items to the wood pole.

(6)Provide a definition sheet explaining code letters and numbers to the engineer.

661.2.1.2 Cable

(1)For traffic control cable, furn ish 600 volt AC 14 AWG, solid c opper conductor, according to IMSA 20-1.

(2)Wire sizes called for under the various Cable bid items are mi nimum requirements; the department will

determine if larger wire size is needed to keep the voltage dro p below 5 percent. 661.2.1.3 Guy, Span, and Messenger Wire

(1)Furnish 3/8-inch nominal diameter, 7-strand, zinc-coated steel wire conforming to ASTM A475, with a

utility grade breaking strength of 15,400 pounds. 661.2.1.4 Guy, Span, and Messenger Wire Mounting Hardware

(1)Furnish engineer-approved hardware consisting of the following : machine bolts, 1 1/2-inch curved

square washers, straight to angl e thimbleye bolts, thimble eyen uts, angle thimbleye eyes, ovaleye bolts, standard eye nuts, twiste d loop dead-end grips, 3 bolt g uy clamps, bolted deadends, serving sleeves, messenger hangers, drive hooks, sidewalk guy fittings, guy wire thimbles, guy strain insulators, guy safety markers, a nchor bolts, guy adapters, exp anding anchors, and screw anchors. Remove screw anchors upon completion.

Effective with the December 2018 Letting 499 2019 Standard Spec ifications (2) Furnish 5/8-inch minimum diameter bolts with square nuts. For eye hardware, use dropforged steel. Use galvanized metal hardware.

(3)For straight-line bolted deadends, furnish malleable iron with steel hardware and a minimum breaking

strength of 11,500 pounds. Fasten to the span pole using an ova leye bolt.

(4)For twisted loop dead-end grips, furnish the same material as specified in 661.2.1.3 . Use grips with a

nominal diameter of 3/8 inch t hat accommodate 7-strand wire and have a minimum breaking strength of 11,500 pounds.

(5)Furnish 3 bolt guy clamps having a minimum breaking strength o f 11,500 pounds.

(6)For guy strain insulators, furnis h ANSI class 54-2 insulators with maximum wire diameter of 1/2 inch

and minimum tensile strength of 12,000 pounds.

(7)Separate sidewalk guy fittings by no more than 6 feet of 2-inc h rigid metallic gal vanized conduit.

Attach the pole plate to the pole with one 5/8-inch machine bol t and two 1/2-inch by 4-inch minimum lag bolts.

(8)For guy safety markers, use ye llow or orange plastic a minimum of 7 feet long.

(9)For anchor bolts, furnish 5/8-in ch minimum diameter rods with a minimum breaking strength of 11,500

pounds.

(10)Use expanding anchors having a minimum expanded area of 125 sq uare inches.

(11)Use screw anchors having a minimum helix area of 78 square inc hes 10-inch diameter with a

minimum rod diameter of 1 1/4 inches and 66 inches long. 661.2.1.5 Tether and Messenger Wire

(1)Furnish 1/4-inch nominal diameter, 7-strand, zinc coated steel tether wire conforming to ASTM A475

with common grade breaking strength of 1900 pounds. 661.2.1.6 Temporary Traffic Signal Control Cabinet Base

(1)Furnish a 3/4-inch by 4-foot b y 6-foot sheet of exterior grade plywood for the base. Provide wooden

stringers 4-inch square by a sp ecified length as needed. Seal b ases to prevent rodents from entering the cabinets. 661.2.1.7 Control Cabinet Approval

(1)Submit a certificate of complia nce from the contractor or comp any that wired the cabi net certifying that

the cabinet and equipment conform to the contract. Submit copies to the region and to the department electrical engineer.

(2)Demonstrate to the engineer tha t the installed controller is p rogrammed and functions as designed,

electronic components are in pr oper working condition, and the installation conforms to the contract. 661.2.2 Temporary Traffic Signals for Intersections

(1)Furnish galvanized wire rope te ther wire clips, drive hooks, s erving sleeves.

(2)Furnish only fittings designed for span wire mounting applications. The contractor may also use these

fittings for the tether wire conne ction, or the contractor may use a tether clamp assembly. Use hardware of unpainted aluminum or that is yellow, Federal Stand ard 595 - FS13538, in color. For traffic signal head mounting lock nuts, use 1 1/2-inch hexagon, galvanized malleable iron. Use nuts 1/2 inch thick and measuring 2 1/2 inches across flat to flat.

(3)Use reinforcement plates, stiffener plates, or both, as the si gnal head manufacturer recommends.

661.2.3 Temporary Traffic Signals for Bridges

(1)Furnish 4 x 6 wood posts conforming to 634.

(2)Furnish LED modules as specified in 658.

(3)Furnish mounting hardware referenced in 661.2.1.4 , properly sized for wire diameter being used.

(4)Furnish traffic signal mounting hardware as specified in 658.2 .

(5)If mounting the control cabine t to a wood pole or post, mount it with two 3/8-inch by 3-inch lag bolts.

661.2.4 Temporary Ramp Meters 661.2.4.1 Cable

(1)For signal current carrying neutral condition, furnish 10 AWG, rated USE, RHH, RHW, copper single

conductor, 600 volt AC, cross-lin ked polyethylene insulated. Ensure that the 10 AWG USE current carrying neutral wire is white in color.

Effective with the December 2018 Letting 500 2019 Standard Spec ifications 661.2.4.2 Span Wire and Tether Wire Signal Head Mounting Hardw are

(1)Furnish fittings designed for span wire mounting applications. The contractor may also use these

fittings for the tether wire conne ction, or the contractor may use a tether clamp assembly. Use hardware of unpainted aluminum or that is yellow, Federal Stand ard 595 - FS13538, in color. For traffic signal head mounting lock nuts, use 1 1/2-inch hexagon, galvanized malleable iron, class 150 pipe fitting. Use nuts 1/2 inch th ick and measuring 2 1/2 inches across flat to flat.

(2)Use reinforcement plates, stiffener plates, or both, as the si gnal head manufacturer recommends.

661.2.4.3 Splice Box

(1)Furnish PVC or metal with a min imum size of 8 X 6 X 4-inch. Us e a waterproof box with a hinged

cover.

661.3Construction

661.3.1 General

(1)Perform work according to the WSEC. Provide and install wood poles, posts, tether wire, messenger

wire, tether wire hardware, messenger wire hardware, guy wire, span wire, guy wire hardware, and span wire hardware, traffic signal cable, traffic signal faces mounting hardware, electrical service, traffic signal faces, traffic si gnal faces with backplates, inc luding providing, installing, and programming the controller with control cabinet as the plans show.

(2)Request a signal inspection of the complete temporary traffic signal installation. Make this request to

the engineer at least 5 working days before the requested inspection. Department region electrical personnel will perform the inspection.

(3)The engineer will not grant turn on approval until the contrac tor corrects discrepancies.

661.3.1.1 Wood Poles, Class 4

(1)The engineer will determine final pole positions after marking the utilities.

(2)Place the pole in the ground to no less than 1/5 of the pole’s length as the plans show.

(3)Remove loose materials from t he hole before setting the pole. Tamp bank run gravel backfill every foot

of fill. Before attaching span w ires or messenger wires, rake p oles one foot at the top of the pole and guy if needed.

(4)Review the plans before pole in stallation to ensure adequate p ole height.

661.3.1.2 Wire and Cable

(1)Ensure traffic signal cables and lighting cable contain the nu mber of conductors indicated on the traffic

signal wiring diagrams.

(2)Attach cables to the span wire or messenger wire, at 3-foot or less intervals with 4 wraps of a

department-approved adhesive t ape or UV resistant, outdoor rated nylon lock fasteners.

(3)Install cable in continuous lengt hs without splices in any cable run. Only splice cable on the pole. If

any opening in the insulation occu rs other than the end of the wire or cable, replace the wire or cable.

(4)Make splices using a twist locked, wire nut, type connection. Point the spliced conductors upward and

cover with plastic. Place the splice a minimum of 11 feet above finished grade level.

(5)Feed traffic signal cables to signal faces as the detail drawi ngs show.

(6)If anticipating freezing weather during the term of this contr act, use weatherproof splice boxes.

661.3.1.3 Temporary Traffic Signal Control Cabinet Base

(1)Attach the plywood to the stringers with nails or lag bolts. I f using lag bolts, countersink the washer

and the bolt head flush with the pl ywood surface. Arrange stringers to be underneath all 4 sides of the cabinet.

(2)Secure the cabinet base using an anchor mounted on each corner and make flush with the top of the

temporary cabinet platform.

(3)For anchors, use 4-inch by 4-inch wood post, or a galvanized 1 5/8-inch by 1 5/8-inch channel with a

minimum length of 3 feet. Secure the anchors to the cabinet base with lag bolts. 661.3.1.4 Maintenance

(1)Maintain minimum and maximum heights to the signal faces as th e plans show. Verify the span

heights throughout the project duration.

(2)Place signal faces as the plans show. Make ever y effort to giv e maximum visibility to signals intended

for view by the motoring public.

Effective with the December 2018 Letting 501 2019 Standard Spec ifications (3) Provide a primary contact as w ell as a backup contact assigned to and qualified to maintain temporary traffic signals. Submit names , addresses, and telephone numbers of contact persons to the engineer, local police, and county sheriff. Also post contact information on temporary traffic signal control cabinets and cover with weatherpr oof material. Ensure that a co ntact person is available 24 hours a day, 7 days a week, from the star t of the project until the tem porary traffic signal is not needed. Ensure that emergency calls are received by an individual and not by a n answering machine. 661.3.2 Temporary Traffic Signals for Intersections and Temporary Ramp Meter 661.3.2.1 Tether Wire Mounting Hardware

(1)Form loops on the end of the te ther wire, hook over drive hooks, and hold in place using wire rope

tether clips. Secure loose tether wire ends using serving sleeves. 661.3.2.2 Tether Wire

(1)Keep tether wire free of splices or kinks.

(2)Install the tether wire at 17 f eet to 19 feet over the roadway .

(3)Install the tether wire in dir ect vertical alignment with the guy wire.

(4)If no signal heads are attached between the span wire and tether wire, attach a tension control cable.

Use the tension control cable to maintain minimum height. Use a tension control cable consisting of tether wire and wire rope tether wire clips. Use 1/4-inch galva nized U-bolts on both ends, top and bottom, of the tension control cable to prevent movement. 661.3.2.3 Wire and Cable

(1)Ground metallic parts includi ng span, tether, and guy wire with hardware, light arms and luminaires,

splice boxes and pole guards. Gr ound each electrically isolated assembly at one end by mechanically attaching (lug or split bolt) the equipment-grounding conductor (6 AWG stranded copper wire) that terminates at a 5/8-inch by 8-f oot. grounding electrode installed at the wood pole base. For the equipment-grounding conductor use an exothermic weld or clamp t o the grounding electrode. Ensure grounding hardware is UL or NRTL listed. 661.3.2.4 Span Wire

(1)Install the span wires free of any splices or kinks. Install t he span wire mounted signal faces so the

bottom is a maximum of 19 feet above the roadway (minimum heigh t is 17 feet). Compute the vertical height of the span wire on the span pole using the following fo rmula: HD (0.05) + RC + HH = SH

(2)HD equals the horizontal distance between the span poles.

(3)RC equals the roadway clearance. If lowering the proposed road way under the span wire, use

minimum clearance over the roadway value.

(4)HH equals the head length (height ) including span wire mountin g hardware.

(5)SH equals the span wire he ight above the roadway.

(6)To use the value SH from the fo rmula, mark from the elevation of the roadway on the span pole and

measure up the pole t he distance SH from this mark. This is whe re the top span wire should dead end on the span pole.

(7)Review the plans before pole in stallation to ensure adequate p ole height due to grade changes.

661.3.2.5 Span Wire and Tether Wire Signal Head Mounting Hardw are

(1)Support each signal head by a span wire-mounting bracket and a ttach to the tether wire.

(2)Feed span wire signals through t he top span wire-mounting brac ket. Provide sufficient cable slack to

enable moving the signal head along the span as the engineer di rects. Neatly coil and attach the extra signal cable to the upper span wire until it is needed.

(3)Mount the heads vertically and plumb.

661.3.2.6 Implementation and Removal

(1)Before activating the temporary traffic signal or temporary ramp meter, verify the signal indications and

operation of the sig nal to the engineer.

(2)Upon acceptance of new signal and completion of work, the depa rtment will switch control of the

intersection over to the permanent cabinet installation. Remove signal cable and wires, wood poles, wood posts, control cabinet, control equipment, and incidental materials. Upon deactivation of the controller, call the electrical u tility immediately for the temporary electrical service disconnect.

(3)Remove the temporary traffic signal faces the same day the permanent traffic signal is turned on.

Effective with the December 2018 Letting 502 2019 Standard Spec ifications (4) Immediately remove the wood poles and wood posts obstructing the view of the new permanent signal faces. Remove remaining wood poles and wood posts within 3 working days of new permanent signal activation.

(5)Immediately after removing the wood poles and wood posts, back fill the holes, compacting every 12

inches with engineer-approved material. 661.3.2.7 Maintenance

(1)Correct LED outages within 24 hours of the reported outage.

(2)Respond within one hour of notification to provide corrective action to any emergency such as but not

limited to knockdowns, signal cable problems, and controller equipment failures. If equipment becomes damaged or faulty beyond repair, replace it within one working day. In order to fulfill this requirement, maintain, in stock , sufficient materials and equipment to provide repairs. Replace the traffic signal control equipmen t including the cabinet, controller, and cabinet accessories within 4 hours.

(3)All far through indications suspended on the span wire shall b e located above the center of the

controlled lane. The far right signal shall be mounted over the center of the right through lane. The far left turn signals shall be suspended straight ahead of the left turn lane. 661.3.3 Temporary Traffic Signals for Bridges 661.3.3.1 General

(1)If the contract requires attachin g the support cable to a brid ge, protect the cable wi th rigid nonmetallic

conduit.

(2)If using trailer mounted traffi c signals from the department's QPL, provide a battery power supply with

a solar powered charging system and a backup power source. Do n ot use gasoline powered equipment.

(3)Maintain and operate the generat ors on a 24-hour a day, 7 days a week basis. This includes having a

responsible contact person respond to the project site, within 1/2 hour of receivi ng a call, for any emergency to the electrical supply system.

(4)If the temporary traffic signal is not operable, provide flaggers until normal o peration resumes.

(5)Furnish the electrical cable and the required electrical conne ctions, conforming to the WSEC, to

connect the generators to the temporary traffic bridge signal. The engineer will determine the location of the generators in the field. 661.3.3.2 Messenger Wire

(1)Use 1/4-inch wire as specified in 661.2.1.5 or 3/8-inch wire as specified in 661.2.1.3 .

661.3.3.3 Messenger Wire Hardware

(1)Use dead-end hardware sized for the messenger wire used as the plans show.

661.3.3.4 Wood Posts

(1)The engineer will determine final postpositions after marking the utilities.

(2)Place 4 x 6 wood posts in the ground to no less than 1/5 of th e post length or as the engineer directs.

(3)Remove loose materials from the hole before setting the post. Tamp bank run gravel backfill every foot

of fill.

(4)Review the plans before post installation to ensure adequate p ost height.

661.3.3.5 Implementation and Removal

(1)Before activating the bridge temporary traffic signal, verify the signal indications and operation of the

signal to the engineer.

(2)Upon completing the repair work on the bridge, and if the engineer determines the bridge temporary

traffic signal is no longer needed, remove the signal cable, messenger wire, wood poles, wood posts, control cabinet, control equipment, and incidental materials. U pon deactivation of the controller, call the electrical utility immediatel y for the temporary electrical service disconnect.

(3)Immediately after removing the wood poles and wood posts, back fill the holes with engineer-approved

material. Compact the material in 12-inch lifts. 661.3.3.6 Maintenance

(1)Immediately correct LED outages.

(2)Respond within one hour of notification to provide corrective action to any emergency such as but not

limited to knockdowns, signal cable problems, and controller equipment failures. If equipment becomes damaged or faulty beyond repair, replace it. In order t o fulfill this requirement, maintain, in

Effective with the December 2018 Letting 503 2019 Standard Spec ifications stock, sufficient materials and equipment to provide repairs. Replace the traffic signal control equipment including cabinet, controller, and cabinet accessories within 2 hours. 661.3.4 Temporary Ramp Meter

(1)Notify the engineer 10 days before starting any temporary ramp meter work. The engineer will notify

the region freeway operations personnel who will verify ramp ti mings and validate communications.

(2)Load the timing parameters into t he controller the department provides.

(3)Minimum mounting height of the box is 11 feet. Ground splice box if made of metal.

661.4Measurement

(1)The department will measure the Temporary Traffic Signals for Bridges, Temporary Traffic Signals for

Intersections, and Temporary Ramp Meter bid items as a single l ump sum unit for each structure or intersection acceptably completed.

(2)The department will measure Gene rators by the day acceptably c ompleted, based on a 24 hours per

day operation.

661.5Payment

(1)The department will pay for measured quantities at the contrac t unit price under the following bid

items: ITEM NUMBER DESCRIPTION UNIT

661.0100 Temporary Traffic Signals for Bridges (structure) LS

661.0200 Temporary Traffic Signals for Intersections (location) L S

661.0300 Generators DAY

661.0700 Temporary Ramp Meter (location) LS

(2)Payment for the Temporary Traffic Signals for Bridges, Tempora ry Traffic Signals for Intersections,

and Temporary Ramp Meter bid items is full compensation for providing, operating, maintaining, and repairing the complete temporary installation; and for removal. Payment also includes the following:

1.Providing replacement equipment.

2.All utility charges for inst allation, disconnection, and en ergy service through project completion.

3.The cost of delivery and pick-up of the cabinet assemblies for department testing.

(3)Payment for Generators is full compensation for providing, maintaining, and operating generators,

including fuel and oil; for providing and locating a backup generator at the site; and for providing flaggers.

Effective with the December 2018 Letting 504 2019 Standard Spec ifications Section 670 General Requirements for Intelligent Transportation Systems (ITS)

670.1Description

(1)This section describes additional personnel qualifications, co nstruction methods, and testing

requirements used to perform ITS work.

670.2Materials

(1)Furnish ITS materials conforming to the general requirements for electrical work as specified in 651.2 .

670.3Construction 670.3.1 General

(1)Perform ITS work conforming to the general requirements for electrical work as specified in 651.3 .

670.3.2 Personnel Qualifications 670.3.2.1 Field System Integrator

(1)Perform ITS work with onsite a ssistance and under the supervision of a qualified field system

integrator selected from the department's approved field system integrator list. The field system integrator provides assistance a nd expertise to the contractor in the areas of equipment installation, operation, integration with existing equipment, testing, and ne twork management for ITS installations including traffic signal communications.

(2)The field system integrator is responsible for ensuring that e quipment is installed as the plans show

and functions properly. The field system integrator also helps submit material lists, shop drawings, documentation, as-builts, test r esults, training and operation manuals as well as associated presentations, wiring schematics, and equipment test procedures .

(3)Ensure that the field system integrator schedules, manages, an d documents periodic ITS focused

progress meetings beginning with in one month after ITS work under the contract begins. Hold additional meetings at least monthly while ITS work under the c ontract is scheduled. The department defines ITS work as operations r equired under the contract related to electrical work. 670.3.2.2 Certified Fiber Optic Technician

(1)Have a certified fiber optic technician perform work for fiber optic terminations, splicing, and testing.

Have a certified fiber optic tec hnician supervise all fiber optic cable installation.

(2)Submit material to certify technicians meet the following requ irements:

- Education: attend and successfully complete at least one 4-da y class on installation of fiber optic products conducted by major manufacture r and have FOA certification. - Work history: demonstrate a minimum of 2 years work experience in the last 5 years with splicing, termination, and testing of fiber optic cable.

(3)Remove, replace, and reinstall work performed by non-certified technicians for fiber optic

communications equipment and material. 670.3.3 Testing 670.3.3.1 Contractor-Furnished Equipment and Materials

(1)Furnish equipment necessary to test the completed installation. Test and demonstrate to the

engineer's satisfaction that equipment is calibrated and in wor king order.

(2)Submit documentation required that demonstrates component performance and operation as specified

in contract.

(3)The field system integrator w ill approve final set up and testing of all equipment and materials.

(4)Perform tests on weekdays during normal working hours. Obtain the engineer's approval for test times

and dates.

(5)Resubmittal of rejected equipment or material is allowed for consideration with proof of correction and

testing. The department may approv e rejected material but is not considered acceptance for equipment or material until final post-installation testing. 670.3.3.2 Department-Furnished Equipment and Materials

(1)Have the field system integrato r inspect department-furnished equipment and materials to ensure that

they conform to contract requirements and function properly. No tify the department w ithin 3 days if the inspection identifies defective equipment or materials. The dep artment will replace whatever is defective.

(2)Do not take possession of defective equipment or materials. On ce possession is taken, the contractor

is responsible for replacing defective equipment and materials.

Source: Wisconsin Standard Specifications for Highway and Structure Construction, 2019 Edition. Pages 507–512 of 601.

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660 High Mast Lighting

670 General Requirements for Intelligent Transportation Systems (ITS)