850MAINTENANCE OF EXISTING TRAFFIC SIGNAL INSTALLATION

845.06 Basis of Payment. Removal of lighting controllers will be paid for at

the contract unit price per each for REMOVAL OF LIGHTING CONTROLLER. Removal of electric service installations will be paid for at the contract unit price per each for REMOVAL OF ELECTRIC SERVICE INSTALLATION. Removal of lighting controller foundations will be paid for at the contract unit price per each for REMOVAL OF LIGHTING CONTROLLER FOUNDATION. TRAFFIC SIGNALS MAINTENANCE SECTION 850. MAINTENANCE OF EXISTING TRAFFIC SIGNAL INSTALLATION

850.01 Description. This work shall consist of maintaining an existing traffic

signal installation that has been designated to remain in operation during construction.

850.02 Procedure. The energy charges for the operation of the traffic signals

will be paid for by the Department or the local agency. At least one week prior to beginning construction within 400 ft (125 m) of the signalized intersection, the Contractor shall conduct a signal inspection with a representative of the agency responsible for the signal maintenance. The signal inspection shall document defective existing traffic signal items. The Contractor shall not be held responsible for these items. If the Contractor fails to contact the signal maintaining agency for the signal inspection, the Contractor shall be held responsible for all the signal items remaining defective at the completion of the construction. The Contractor shall become responsible for the maintenance of the existing signalized intersection at a date mutually agreed upon between the Contractor and the signal maintaining agency representative, but no later than the beginning of construction by the Contractor within 400 ft (125 m) of the intersection. The Contractor’s signal maintenance responsibility shall cease upon the issuance of a Signal Acceptance Notice by the Engineer. Traffic Actuated Controller Art. 857.02

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.

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