3814Emergency Vehicle Pre-Emption Equipment

3814.1SCOPE

Provide Emergency Vehicle Preemption/Priority (EVP) Equipment for traffic control signal systems.

3814.2REQUIREMENTS

Use EVP systems and confirmatory indicator lights mounted on traffic control signal mast arms and traffic control signal pedestals. Use mounting hardware and attach to mast arms and pedestals as specified in the Contract and as approved by the Engineer. A EVP Detectors Use EVP systems listed on the APL, Signals. Deliver EVP phase selectors to the Department’s Electrical Services Section at least 30 Business Days before the traffic control signal cabinet is required on the Project. The Department’s Electrical Services Section will review the provided Equipment to ensure the proposed product is listed on the APL, and install the EVP phase selectors into the Department-provided traffic control signal cabinet. B EVP Light Emitting Diode (LED) Confirmatory Indications Only use LED EVP confirmatory indications listed on the APL, Signals. C EVP Round Outlet Box Use an EVP round outlet box for wire splicing with the following:

3/4 inch conduit

outlet box

appurtenances D EVP Condulet Outlet Body Use an EVP condulet outlet body for mounting the EVP detector unit to the EVP round outlet box with the following:

E EVP Confirmatory Indicator Lamp Holder Use EVP confirmatory indicator lamp holders listed on the APL, Signals.

3814.3SAMPLING AND TESTING

Confirm and document the listing of the EVP systems, EVP LED Confirmation Indications, and the EVP confirmatory indicator lamp holders on the APL, Signals. Obtain the Engineer’s approval of the EVP round outlet box or the EVP condulet outlet body before installation. Provide this documentation to the Engineer.