Agmt11 Pacific Electric Contracting Inc.

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2. Be sure the power supply is off before installing or removing the Tamp. 3. In case the outer bulb is broken, avoid making contact with metal parts to prevent electrical shock. C. The City of Redwood City has a disposal permit from SBSA. The lamps must be deactivated prior to disposal in the following manner: 1. In a designated container located at the Service Yard, the contractor must break the lamps into small pieces. 2. Goggles should be worn to prevent the possibility of injury from flying glass. 3. The broken parts should then be covered with water with the aid of a hose. 4. The contractor should maintain a safe distance away from the container until the chemical reaction has stopped and the sodium is rendered harmless. 5. The contents of the container should be disposed of as directed by the City Engineer. 3.15 INDUCTIVE LOOP DETECTORS A. Loop detectors shall conform to the provisions in Section 86 -5.O1A "Inductive Loop Detectors" of the Standard Specifications, details and notes shown on the Standard Plans, and these specifications. B. Loop detector sensor units and asphaltic emulsion sealant for inductive detector loop installation shall be furnished by the contractor. C. Loop detectors to be installed in an area that is to receive new asphalt concrete shall be installed prior to the final overlay of asphalt concrete. D. Where the inductive loop detector conductors are to be installed in an area that is to be resurfaced with asphalt concrete, the loop detector conductor shall be placed in slots cut in the existing pavement. The conductors shall be installed as shown on the plans in the existing pavement. E. Loops shall be centered within traffic lanes unless otherwise specified. F. Contractor shall position loops so that no portion of any loop lies over conduit. G. Contractor shall make tentative layouts of all loops as shown on plans, then arrange for confirmation of layouts by the City Engineer prior to sawcutting. H. All loops shall be brought to pull box individually through a chase and conductors shall have two turns of twist per foot and spliced in pull box. I. Wire shall be installed in a slot sawcut in the pavement. Residue resulting from slot cutting operations shall not be permitted to flow across shoulders or lanes occupied by public traffic and shall be removed from the pavement surface by vacuuming or other approved method before any residue flows off of the pavement surface. Residue from sawcutting operations shall be disposed of outside the highway right of way in conformance with the provisions in Section 7 -1.13 of the Standard Specifications. J. Slots cut in the pavement shall be smooth, washed clean, blown out and thoroughly dried before installing conductors. K. Loop wire shall be Type 1, Type RHW -USE neoprene - jacketed or Type USE cross - linked polyethylene insulated, No. 12, stranded copper wire, the minimum insulation thickness at any point shall be 40 mils, in accordance with Section 86 -5.01 A of the Standard Specifications. One continuous, unbroken length shall be used to form a loop of the number of turns required and the lead -in from loop to junction box. L. The lead -ins from the detector shall be Type B, lead -in cable shall be insulated with 20 mils of high - density polyethylene. The conductors shall be twisted together with at least 2 turns per foot and the twisted pair shall be protected with a copper or aluminum polyester shield. A No. 20, minimum, copper drain wire shall be provided and connected to the equipment ground within the cabinet. The cable shall be provided with a high- density polyethylene or high- density polypropylene outer jacket with a nominal thickness of 32 mils. An amorphous interior moisture penetration barrier of nonhydroscopic polyethylene or polypropylene fillers shall be provided in accordance with Section 86- 5.O1A. The lead -in shall be spliced, soldered and taped to the loop at the junction box. The shield shall be connected to the controller cabinet ground bus. Where spade terminals are used to secure the lead -in wire to field terminal SIGNALS LIGHTING AND ELECTRICAL SYSTEMS 16500 -13 EMERGENCY VEHCILE PREEMPTION PROJECT 2010