Iron and Manganese Treatment at Well 31

The City of Clovis is seeking a qualified contractor to design, supply, install, test, and commission a 600‑gpm iron‑and‑manganese removal treatment system at an existing well (Well 31). Work includes extensive civil construction (excavation, grading, concrete pads, sewer‑manhole, backwash standpipe), mechanical installation of six‑vessel pressure filtration equipment, full low‑voltage electrical and PLC/SCADA controls, and comprehensive testing, commissioning, and operator training. The contract is a sealed‑bid, public‑works award with a 35‑working‑day construction schedule and liquidated damages of $1,000 per day for late performance. • Civil works: site grading, concrete vessel pads, sewer main (PVC SDR‑35), manhole, and backwash disposal infrastructure. • Mechanical/equipment: six self‑back‑washing pressure filter vessels, manganese‑dioxide media, valves, magnetic flowmeters, pressure gauges, and associated piping. • Electrical & controls: low‑voltage power distribution, PLC/SCADA system, instrumentation, and full integration testing. • Mandatory compliance: California Building Code, ASCE 7‑16 seismic/wind, ANSI/NSF 61 potable‑water certification, and required performance, payment, and bid bonds.