851PAINT EXISTING TRAFFIC SIGNAL EQUIPMENT

850.03 Maintenance. Maintenance shall be according to Article 801.11.

850.04 Basis of Payment. This work will be paid for at the contract unit price

per each for MAINTENANCE OF EXISTING TRAFFIC SIGNAL INSTALLATION. Each intersection will be paid for separately. SECTION 851. PAINT EXISTING TRAFFIC SIGNAL EQUIPMENT

851.01 Description. This work shall consist of cleaning and painting the

existing traffic signal equipment reused as part of the new traffic signal installation.

851.02 Materials. Materials shall be as specified in the contract.

CONSTRUCTION REQUIREMENTS

851.03 Cleaning. Prior to painting, the surfaces shall be thoroughly cleaned

of all surface irregularities, loose corrosion, and foreign materials, so the prime and paint coatings will have a smooth finish.

851.04 Painting. After cleaning, one coat of primer shall be applied to all

areas where the old paint has been removed or damaged. On surfaces where small areas of metal at closely spaced intervals are exposed, the primer shall consist of a complete coating.

851.05 Method of Measurement. This work will be measured for payment as

each. Each intersection will be considered one each.

851.06 Basis of Payment. This work will be paid for at the contract unit price

per each for PAINT EXISTING TRAFFIC SIGNAL EQUIPMENT. CONTROLLERS AND EQUIPMENT SECTION 857. TRAFFIC ACTUATED CONTROLLER

857.01 Description. This work shall consist of furnishing and installing a

traffic actuated solid state digital controller in the controller cabinet of the type specified with peripheral equipment.

857.02 Materials. Materials shall be according to the following.

Item Article/Section

857.03 Installation. The traffic actuated controller shall be installed in a

completely wired cabinet, with necessary connections for proper operation. The model and serial number of the controller shall be permanently affixed on the front or top of the controller housing and readily visible. All conduit entrances into the controller cabinet shall be sealed with a pliable waterproof material. Electrical cables inside the controller cabinet shall be neatly trained along the base and back of the cabinet. Each conductor shall be connected individually to the proper terminal, and the spare conductors shall be insulated and bound into a neat bundle. Each cable shall be marked with identification meeting the approval of the Engineer and recorded on a copy of the plans for the intersection and submitted to the Engineer. The traffic actuated controller shall provide the NEMA eight phase dual ring operation for the phase designation diagram shown on the plans and all preemption sequences, coordination, or other timing features shown on the plans. A copy of all controller settings including coordination and preemption shall be provided to the Engineer.

857.04 Basis of Payment. This work will be paid for at the contract unit price

per each for FULL-ACTUATED CONTROLLER AND CABINET or RAILROAD, FULL- ACTUATED CONTROLLER AND CABINET, of the type specified. The transceiver shall be furnished with the controller only when specified as a separate pay item on the plans. SECTION 858. FLASHER CONTROLLER

858.01 Description. This work shall consist of furnishing and installing a

flasher controller and cabinet.

858.02 Materials. Materials shall be according to the following.

Item Article/Section

858.03 Installation. The flasher controller shall be installed according to the

details shown on the plans.

858.04 Basis of Payment. This work will be paid for at the contract unit price

per each for FLASHER CONTROLLER.