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28, which has nitrate levels exceeding the MCL, and conveyed to the adjacent ek Lampson Reservoir, from where it is pumped into the closed system. Well 31 pump and VFD were selected to allow pumping directly into the closed distribution system as well. The work included a new 500 hp, 3500 gpm deep well vertical turbine pump in the existing well drilled by the City during Phase 1 of the project; installation of 16-inch cement mortar lined and coated welded steel discharge piping connecting to both the City's distribution system and on site reservoir inlet piping; installation of piping, valves including three (3) CLA-VAL control valves, a pre -fabricated metal framed roll -a -part well building to house the Well 31 electrical equipment and wellhead; installation of electrical equipment including: 18-pulse VFD with by-pass solid state starter; single phase lighting transformer and motor control center; power monitor; and main disconnect; installing instrumentation equipment including four (4) magnetic flow meters (10- inch through 20-inch), well level transmitter, high discharge pressure switch, and discharge pressure transmitter; reprogramming of the existing Booster Station PLC and development of control screens to accomplish variable speed operation and control of Well 31; integration with the existing SCADA system; construction of a storm drain junction structure and catch basin; installation of a precast discharge -to -waste substructure; conversion of two (2) existing booster pumps to variable speed operation including two (2) new 200 hp inverter duty rated motors and two (2) new VFDs; a new starter for the booster station jockey pump; new 2000 amp MCC section; replacement of a nitrate sampling pump; replacement of the existing piping, and valves within the existing booster facility with new FBE lined steel pipe, new valves; installation of a 7-foot piping extension to the existing reservoir inlet piping inside the existing reservoir; and re -pavement of the asphalt concrete throughout the facility. c',ric City of Cypress — 5275 Orange Avenue, Cypress, CA 90630 t ,( s&4 Contact: Mr. Alvin Papa, Currently City Engineer for the City of Long Beach (562) . WA I 750-6386 alvin.oaoaOlongbeach.gov AKM provided full time construction inspection services for the project including shop drawing coordination, conducting preconstruction and progress meetings, keeping project accounting records and verifying progress payment requests, field inspection, request for information response, utility coordination with SCE and Time Warner Cable, and change order analysis. The work consisted of construction of a new 48-inch City owned drop manhole'' over an existing 10-inch VCP gravity sewer line, replacement of VCP gravity sewer upstream and downstream of the new manhole, a new sewer clean -out, a new 84-inch T-lock lined manhole over an existing 51-inch trunk sewer owned by Orange County Sanitation District (OCSD), a 10-inch VCP connection between the new 48-inch drop manhole and the new 84-inch OCSD manhole, reestablishment of trees and irrigation lines within the raised concrete median on Valley View Street, reconstruction of the stamped concrete median within the limits of work, as well as full depth reconstruction of the asphalt concrete paving and restriping of the street within the limits of work. Project challenges included completing the project within the allotted contract time as the work area was within a few hundred feet of Cypress High School which was due to begin the fall semester the next work day following the project completion date, and coordination with OCSD staff for periodic and final testing/inspection of the new 84-inch manhole. AKM Prop. 20-1004 16