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Electrical (16000-16999)

836005 REMOVE STEEL POLE (EQUAL TO OR GREATER THAN 40 FEET) EACH

DE · 2025 Standard SpecificationsBook pages 514–518View official source ↗

TRAFFIC SIGNAL INDICATIONS SECTION 837

504 SECTION 837 — TRAFFIC SIGNAL INDICATIONS

837.1Description.

This work consists of providing, assembling, and installing light emitting diode (LED) traffic signal and pedestrian signal indications.

837.2Materials.

A.Traffic Signal Heads Section 1075

B.Rectangular Rapid Flashing Beacon (RRFB) Unit:

1.RRFB Indication Section 1075

2.Signs Section 818

3.LED Pedestrian Pushbutton Assembly Section 1075

837.3Construction.

A.This specification refers to definitions and practices described in the following ITE documents:

1.“Vehicle Traffic Control Signal Heads – Light Emitting Diode (LED) Circular Signal Supplement”

dated June 27, 2005 and referred to in this document as VTCSH -LED.

2.“Vehicle Traffic Control Signal Heads – Light Emitting Diode (LED) Vehicular Arrow Traffic Signal

Supplement” dated January 2008 and referred to in this document as VTCSH -ARROW.

3.“Equipment and Material Standards of the ITE” dated November 1998 and referred to in this

document as VTCSH. 837.3.1 Rigid Mount Signal Head Section.

A.Provide, assemble, and install rigid mounted LED signal heads, housings, and visors in accordance

with the contract.

B.Perform wiring and electrical connections to make the signal head functional.

C.Provide a minimum of a 6 section, 12 position terminal block, capable of accepting 3 number 14

AWG spade terminal ends for each single or double section, and the middle section of a 3 section signal head assembly.

D.Install rigid mount signal assemblies on steel poles. The Department will allow placement of rigid

mount signal assemblies on wood poles for temporary signal installations. Refer to the contract for the mounting types including top, side, and rigid.

E.Place signal cable down the pole and into the cabinet base. Run the cable without splicing from

inside the signal head to the base of the pole and provide 5 -feet of slack for connection. 837.3.2 Span Mount Signal Head Section.

A.Provide, assemble, and install span mounted LED signal heads, housings, and visors in accordance

with the contract.

B.Perform wiring and electrical connections to make the signal head functional.

C.Provide a minimum of a 6 section, 12 position terminal block, capable of accepting 3 number 14

AWG spade terminal ends for each single or double section, and the middle section of a section signal head assembly. TRAFFIC SIGNAL INDICATIONS SECTION 837

505 D. Place signal cable along the span, down the pole, and connect into the base. Run the cable without splicing from inside the signal head to the base of the pole and provide 5 -feet of slack for connection. 837.3.3 LED Traffic Signal Head Indication Module.

A.Remove existing LED traffic signal head indication modules and provide and install new LED traffic

signal head indication modules in existing signal heads. Use only replacement modules compatible with the housing of the existing module.

B.Perform wiring and electrical connections to make the signal head functional.

837.3.4 Signal Head Backplate.

A.Provide and install backplates in accordance with the contract.

B.Fabricate backplates as shown on the applicable detail sheet to match the required signal

configuration. 837.3.5 16 Inch LED Countdown Pedestrian Signal.

A.Provide, assemble, and install LED countdown pedestrian signal heads, visors, and housings in

accordance with the contract.

B.Perform wiring and electrical connections to make the pedestrian signal assembly functional.

C.Provide and install components and hardware listed in Section 837.2 and in the Standard

Construction Details in accordance with the contract.

D.Place cable down the pedestal or pole and connect in the base. Run the cable without splicing

from inside the pedestrian signal head to the base of the pole and provide an additional 5-feet for connection.

E.Inspect each sign location to determine if clearing is required to maintain sight lines. Clear in

accordance with Section 201 and as directed by the engineer. 837.3.6 LED Pedestrian Signal Head Indication 16 Inch Module.

A.Remove existing LED pedestrian signal head modules.

B.Provide and install new LED pedestrian signal head modules in existing pedestrian signal heads.

Use only replacement modules compatible with the housing of the existing module.

C.Perform wiring and electrical connections to make the pedestrian signal head functional.

D.Inspect each sign location to determine if clearing is required to maintain sight lines. Clear in

accordance with Section 201 and as directed by the engineer. 837.3.7 Pedestrian Pushbutton on Steel Pole with Sign.

A.Drill a 1/2 -inch diameter hole in the steel pole at a height and location in accordance with the

contract. Align the cable entrance hole in the pushbutton device with the 1/2 -inch diameter hole in the pole.

B.Drill and tap the steel pole for the 2 mounting bolts, using the pushbutton housing as a template.

Install the pushbutton housing using 1/4 -inch x 1 -inch bolts.

C.Wire the pushbutton and install on the pushbutton housing with a type and size of cable in

accordance with the contract. Run the cable without splicing from inside the pedestrian pushbutton to the base of the pole and provide an additional 5-feet for connection. TRAFFIC SIGNAL INDICATIONS SECTION 837

506 D. Install the sign supplied by the Department in accordance with the contract. 837.3.8 Rectangular Rapid Flashing Beacon (RRFB) Unit.

A.Provide, assemble, and install rectangular rapid flashing beacons (RRFBs), mounts, bracket, and

hardware in accordance with the contract.

B.Perform wiring and electrical connections to make the RRFB assembly functional.

C.Provide and install components and hardware listed in Section 837.2 and in the Standard

Construction Details in accordance with the contract.

D.Place cable down the pedestal or pole and connect in the base. Run the cable without splicing

from inside the pedestrian signal head to the base of the pole and provide an additional 5-feet for connection.

9 Realign or Slide Existing Signal Head

A.For span wire installations, loosen saddle bolts, slide the existing signal head to a specified location

on the span wire, and re -tighten the bolts. Loosen the 2 set screws on the top side of the head and the large nut inside the door of the top section to realign span mounted signal heads. Re -tighten nut and set screws after completing realignment.

B.Loosen the mounting band brackets for mast arm installations and adjust in accordance with the

manufacturer’s instructions. Slide the signal head into the new position and re -tighten the mounting band brackets. Loosen hardware to realign mast arm mounte d signal heads, and realign head and re -tighten hardware, in accordance with the manufacturer’s instructions.

837.4Method of Measurement.

A.The Department will measure the quantity of:

1.Signal head sections as the number of signal head sections provided, assembled, installed, and

accepted. For example, a 1 -way 3 -section signal assembly would constitute 3 pay units.

2.LED traffic signal head indication modules as the number of modules provided, installed in an

existing signal head, and accepted.

3.Signal head backplates as the number of complete signal head backplate assemblies provided,

assembled, installed, and accepted.

4.LED countdown pedestrian signals as the number of LED countdown pedestrian signals

provided, assembled, installed, and accepted.

5.LED pedestrian signal head indications as the number of pedestrian signal head indications

provided and installed in an existing pedestrian signal housing and accepted.

6.Pedestrian pushbuttons with signs as the number of pedestrian pushbuttons provided,

assembled, installed, and accepted.

7.Existing signal heads realigned or slid as the number of existing realigned or slid signal heads

accepted.

8.RRFB units as the number of each unit provided , assembled , installed, and accepted.

837.5Basis of Payment.

A.The Department will pay the quantity of signal head sections provided, installed, and accepted at

the contract unit price per each. Price and payment constitute full compensation for: TRAFFIC SIGNAL INDICATIONS SECTION 837

507 1. Providing and installing the signal head section;

2.housing, wiring, electrical connection, visors;

3.providing and installing the LED traffic signal head module; and

4.rigid mounting or span mounting and related hardware to provide a functioning signal assembly.

B.The Department will pay the quantity of LED traffic signal head indication modules provided,

installed, and accepted in existing signal heads at the contract unit price per each. Price and payment constitute full compensation for providing and installing the LED traffic signal head indication in an existing signal head and removing and disposing of the existing LED module. The Department will consider removal and di sposal of the replaced modules as incidental to the item.

C.The Department will pay the quantity of signal head backplates provided, assembled, installed, and

accepted at the contract unit price per each. Price and payment constitute full compensation for providing, assembling, and installing the signal head backplate and retroreflective border.

D.The Department will pay the quantity of LED countdown pedestrian signals provided, assembled,

installed, and accepted at the contract unit price per each. Price and payment constitute full compensation for:

1.Providing and installing the assembly;

2.housing;

3.wiring;

4.electrical connections;

5.visors;

6.mounting; and

7.related hardware to provide a functioning pedestrian signal.

8.The Department will pay for clearing and grubbing in accordance with Section 201. If the Bid

Proposal does not include 201000, this Work will be incidental to the pedestrian signal item.

E.The Department will pay the quantity of LED pedestrian signal head indication modules installed

and accepted in existing pedestrian signal housings at the contract unit price per each. Price and payment constitute full compensation for providing and ins talling the LED pedestrian signal head module in an existing pedestrian signal housing and removing and disposing of the existing LED module. The Department will consider removal and disposal of the replaced modules as incidental to the item.

1.The Department will pay for clearing and grubbing in accordance with Section 201. If the Bid

Proposal does not include 201000, this Work will be incidental to the pedestrian signal item.

F.The Department will pay the quantity of pedestrian pushbutton assemblies installed and accepted

at the contract unit price per each. Price and payment constitute full compensation for:

1.Providing, assembling, and installing the pushbutton assembly;

2.wiring;

3.electrical connection;

4.sign installation;

5.mounting; and

TRAFFIC SIGNAL INDICATIONS SECTION 837

508 6. related hardware to provide a functioning pedestrian pushbutton.

G.The Department will consider the cost of control equipment necessary for the pushbutton

assemblies to operate as included in the unit price for the pushbutton assembly.

H.The Department will pay the quantity of existing signal heads, realigned or slid, and accepted at

the contract unit price per each.

I.The Department will pay for RRFB units at the contract unit price per each. Price and payment

constitute full compensation for :

1.Providing, a ssembling , and installing the unit ;

3.supplying cable ;

4.electrical connections ;

5.and mounting the unit.

ITEM DESCRIPTION UNIT 837001 PROVIDE AND INSTALL 8” LED SIGNAL HEAD SECTION, RIGID MOUNT EACH 837002 PROVIDE AND INSTALL 12” LED SIGNAL HEAD SECTION, RIGID MOUNT EACH 837003 PROVIDE AND INSTALL 8” LED SIGNAL HEAD SECTION, SPAN MOUNT EACH 837004 PROVIDE AND INSTALL 12” LED SIGNAL HEAD SECTION, SPAN MOUNT EACH 837005 PROVIDE AND INSTALL 8” LED TRAFFIC SIGNAL HEAD INDICATION MODULE EACH 837006 PROVIDE AND INSTALL 12” LED TRAFFIC SIGNAL HEAD INDICATION MODULE EACH 837007 PROVIDE AND INSTALL SIGNAL HEAD BACKPLATE EACH 837008 PROVIDE AND INSTALL 16” LED COUNTDOWN PEDESTRIAN SIGNAL EACH 837009 PROVIDE AND INSTALL 16” LED PEDESTRIAN SIGNAL HEAD INDICATION MODULE EACH 837010 PROVIDE AND INSTALL PEDESTRIAN PUSHBUTTON WITH SIGN EACH 837011 REALIGN OR SLIDE EXISTING SIGNAL HEAD EACH 837012 PROVIDE AND INSTALL RECTANGULAR RAPID FLASHING BEACON (SINGLE) EACH 837013 PROVIDE AND INSTALL RECTANGULAR RAPID FLASHING BEACON (DOUBLE) EACH

Source: Delaware Standard Specifications for Road and Bridge Construction, 2025 Edition. Pages 514–518 of 779.

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83500 1 CABINET BASE TYPE F EA

83600 5 REMOVE STEEL POLE (EQUAL TO OR GREATER THAN 40 FEET) EACH