SANTA ANA UNIFIED SCHOOL DISTRICT (SAUSD) (6)

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CITY OF SANTA ANA SPECIFICATIONS PROJECT NO.: 25-6030 TRAFFIC SIGNAL INSTALLATION AT SEGERSTROM AVENUE AND ROSEWOOD AVENUE All CCTV work shall conform to the current NASSCO-PACP Standards for sewer main, and sewer lateral and these Special Provisions. 6.19 SEWER FLOW LEVEL MONITORING &ALARMING DEVICE Contractor shall supply and install a Smart Cover© sewer flow level monitoring and alarming device as manufactured by Hadronex(760-291-1980). The flow level monitoring and alarming system shall be compatible with the existing sewer flow level and monitoring system utilized by the City's Water Resources Division. Included in this item will be the first year maintenance fee assessed by the alarming company for all sewer flow level monitoring&alarming devices installed. 6.20 REPAIR COUPLINGS For sewer repairs, the Contractor shall use a double banded shielded sewer coupling. The coupling shall have excellent resistance to heavy earth loads, shear forces and deflection. The coupling shall be able to connect similar and dissimilar pipe materials and sizes. Clamps shall be stainless steel and have stainless steel grade 316 nuts and bolts. The gasket material shall be molded, one-piece elastomeric. The shield shall be heavy-duty, stainless steel. Increasing the band tension shall secure the pipe ends, forming a watertight, root- proof seal, impervious to infiltration and exfiltration. Sealing"0"rings under each clamp prevent the pipe end from slippage, for a reinforced joint seal. The shielded sewer coupling shall be Flex-Seal©ARC shielded adjustable repair coupling manufactured by Mission Rubber Company or approved equal. 6.21 SEWER FLOW BYPASSING The Contractor is responsible for the temporary handling of sewage, spill prevention and control, and odor control throughout any sewer flow bypass operation. Temporary handling of sewage includes bypass pumping, diversion, bypass piping, plugs, flow- through plugs and other means of handling of sewage flows. Contractor shall provide all materials, labor, supervision, and equipment for temporary handling of flow, including preparation and implementation of a spill prevention, control and countermeasure plan (SPCCP) to facilitate the work. The Contractor shall comply with the Regional Water Quality Control Board, Health Depattinent, and Air Quality Management District permits and regulations. Contractor shall prepare a detailed bypass pumping plan for any temporary handling of sewage. Contractor shall be responsible for all aspects of the mobilization, set up, operation, management, monitoring, maintenance operation, pressure testing, spill containment, and spill management including clean up. When bypass pumping flows, the Contractor shall have at least one designated person on site 24 hours per day to operate, monitor and maintain the bypass pumping system and implement the spill prevention and control procedures. 107