SECTION 952 — CONTROLLER ASSEMBLY

952.1 DESCRIPTION — This work is the furnishing and installation of a traffic signal controller assembly of the type indicated.


952.2 MATERIAL — Sections 950.2, 1104.01 ,1104.03, 1104.04, 1104.05 and as follows:

• Class A Cement Concrete — Section 704
• Caulking Compound — Section 705.8(b)


952.3 CONSTRUCTION — Section 950.3, as shown on the Standard Drawings and as follows:

(a) Controller Assembly. Install the controller assembly, as indicated. For base-mounted controller assemblies, construct the foundation, as specified in Section 951.3(a) and (b). Connect field wiring for signals, interconnect, and pre-emption. Connect service to the input/output terminals of the controller assembly. Connect to the equipment safety ground.
Connect the conflict monitor to function as specified in Section 1104.03(b). Demonstrate and provide written documentation that the conflict monitor will cause transfer of the signals to flashing operation upon sensing all possible conflicting signal indications.
Connect output from shutdown relay to the output and power input of the signal load switches. Connect relay to controller assembly in a method to provide flashing operation with the traffic signal controller unit installed or removed. Provide activation of the shutdown relay from any of the following sources:

• Remove Controlled Voltage, when indicated
• Police Panel Switch
• Output from Conflict Monitor

Connect systems and communication control equipment. Field test for indicated operation.

(b) Time Clock. Install the time clock, when indicated. Connect to input/output terminals of the control equipment. Connect to the equipment safety ground. Field test for indicated operation.

952.4 MEASUREMENT AND PAYMENT — Section 950.4 and as follows:

(a) Controller Assembly. Each

(b) Time Clock. Each

No Supplement

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