Item 37 - Construction Management and Inspection Services for Well 32 Rehabilitation

Home Browse Search

BUTLER Consfruclron Managers. Consulting Engineers Steve Naylor Lead Field Inspector an additional 31,000 AFY of advanced treated wastewater (recycled water) to the groundwater basin in north and central Orange County. The GWRSFE scope of work includes upgrading the existing 100 MGD Advanced Water Purification Facility (AWPF) by adding 30 MGD of additional capacity; constructing Plant No. 2 Secondary Effluent Conveyance Facilities; and rehabilitating an existing pipeline between Plant No. 2 and Plant No. 1 to bring secondary effluent to the GWRS. Field QA/QC Representative, Ridgeline Booster Pump Station; Lake Forest, CA; Trabuco Canyon Water District (Value: $2,073,600)—Butier provided construction management, inspection, specialty inspection, and materials testing services. The scope of work included installation of three (3) 2 CFS turbine pumps; upgrade of one 2 CFS pump with a VFD and replacement of associated discharge piping and valving; removal of portions of the existing floor slabs, interior walls, and interior and perimeter wall footings; trenching below the existing walls and footings of the booster pump station; demolition of an existing concrete pad and its surrounding CMU walls; installation of new underground suction piping; construction of an electrical control room and electrical upgrades to include an on -site generator with an automatic transfer switch; construction of a new generator equipment pad; improvements to the existing underground flow meter vault; replacement and extension of the existing asphalt pavement; and installation of a new ornamental steel truck gate and ornamental steel fencing. Field Inspector, Milliken 1010 Zone Pump Station; Chino, CA; Chino Basin Desalter Authority (Value: $1.3 million) —Provided inspection services for the construction of the Milliken 1010 Zone Pump Station located in Chino, CA. The pump station was constructed as a part of the CDA Phase III Expansion Project. The scope of work included the following potable water improvements: construction of a ventilated CMU Pump Station, 198 LF of 16- inch discharge piping and interconnection to an existing 30-inch transmission line, and 24-inch suction piping and interconnection to an existing 24-inch transmission line; installation of 3 vertical turbine pumps and associated piping, fittings, valves, appurtenances, electrical instrumentation, and controls; and site improvements, including grading and paving and restoration of existing improvements. QC Inspector, Edward C. Little Water Recycling Facility, Phase IV Design -Build Expansion, El Segundo, CA; West Basin Municipal Water District (Value: $53 million) —New facilities increased the capacity of Barrier water to 12.5 MGD, and Title 22 water to 40 MGD. The expansion to the Barrier Water Treatment System included cartridge filters, chemical addition, microfiltration, reverse osmosis, ultraviolet irradiation, and product water pump station. The expansion of the Title 22 Treatment System included conversion of an existing clarifier and existing filters, an additional 5.0 MG pre -stressed concrete product water storage tank, pump station, and modifications to the existing disinfection system. Steve verified QC procedures to ensure that adequate methods of QC inspection were employed.