Item 18 - Traffic Signal Installation at Segerstrom Avenue and Rosewood Avenue

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CITY OF SANTA ANA SPECIFICATIONS PROJECT NO.: 25-6030 TRAFFIC SIGNAL INSTALLATION AT SEGERSTROM AVENUE AND ROSEWOOD AVENUE 6.09 VITRIFIED CLAY PIPE (VCP) SEWER MAIN Where indicated on the plans, sanitary sewer pipe shall be extra strength vitrified clay pipe (VCP) with compression joints conforming to Subsection 207-8 of the Standard Specifications. Underground conduit construction shall conform to all applicable Subsections of Section 306 of the Standard Specifications, the Standard Plans and these Special Provisions. Potholing shall be considered as part of the excavation necessary for the work. The Engineer shall be given the opportunity to inspect the existing improvement when it is exposed. Any adjustments in line or grade which will be necessary to accomplish the intent of the plans shall be made. In the event obstructions are encountered during the progress of the work which will require alterations to the plans, the Engineer shall have the authority to change the plans and order the necessary deviation from the line or grade. Contractor shall not make any deviation from the specified line or grade without approval by the Engineer. Pipe sections shall not be deflected at any joint, either vertically or horizontally, beyond the limits specified by the manufacturer. The pipe and fittings shall be lowered into the trench. Do not throw the pipe or fittings into the trench. If it is determined that bypassing of sewer flow will be required, the bypass pumping system shall have sufficient capacity to pump the peak flow. Sewer bypassing shall conform to Section 6-21 of these Special Provisions. The Contractor shall provide bypass piping for the effluent during the construction of the sewer main between manholes. The inlet of the downstream manhole and the outlet of the upstream manhole shall be plugged. A portable pump shall be installed in the upstream manhole to discharge the effluent from the upstream manhole to the downstream manhole through the bypass piping. Pump and bypass piping shall be of adequate size and capacity to handle the flow without sewage backup occurring to facilities connected to the sewer. For sewers 12-inches in diameter and larger, or where deemed necessary by the City, the following shall apply: All pumps used shall be fully automatic self -priming units. All pumps used must be constructed to allow dry running for long periods of time to accommodate the cyclical nature of effluent flows. The Contractor shall provide the necessary stop/start controls for each pump. The Contractor shall have adequate standby equipment available and ready for immediate operation and use in the event of an emergency or breakdown. One standby pump for each size pump utilized shall be installed at the mainline flow bypassing locations, ready for use in the event of primary pump failure. The Contractor shall continually monitor all pumping equipment. The Contractor shall perform leakage and 92