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REQUEST FOR PROPOSAL <br />t A s On -Call Water Resources Engineering Services <br />(RPP N0.19-100) ^*'� <br />transfer up to 20 cubic feet per second of treated groundwater from the desalination plants to the area. <br />The work included P&ID development, SCADA, and electrical distribution and controls design. <br />Orange County Flood Control On -Call Contract, Orange County, California. Orange County. <br />Structural Engineer. Michael Baker provided flood control planning and engineering services to support <br />flood control. The projects included: Orange County Flood Control Master Plan; San Diego Creek Master <br />Plan Update; Local Drainage Manual Update, Santiago Creek Scour Analysis Plan Check; San Diego <br />Creek Restoration Plans and Operations and Maintenance Manual; Foothill Basins Restoration Plans and <br />Operations and Maintenance Manual; Santa Ana River Reach 9 SARI Line Protection; San Juan Creek <br />Phases 4, 5, and 6 and Trabuco Creek Phase 8, and Edinger Channel - 3D Structural Analysis for <br />Reinforced Concrete Box. The projects included flood control, water quality, and wildlife corridor or habitat <br />conservation and protection. Michael Baker also provided services to obtain resource agency permits. <br />SMWD Middle Chiquita Canyon Water Facilities, Orange County, California. Santa Margarita Water <br />District, Structural Engineer, Michael Baker provided preliminary and final design services for a total of <br />approximately 23,200 linear feet (LF) of domestic and recycled water transmission mains, two 2.0 million <br />gallon (MG) domestic water reservoirs, and one 4.0 MG recycled water reservoir, which serve the Rancho <br />Mission Viejo Company's Sendero and Esencia Developments. The project also included: alternative <br />pipeline alignment analysis for routes through environmentally sensitive areas and agricultural areas; <br />grading phasing analysis; and coordination with the Rancho Mission Viejo Company, California <br />Department of Public Health, San Diego Gas and Electric, and the California Department of Fish and <br />Wildlife. <br />Rio Vista Valve #2 (RV-2) Vault Modifications, Santa Clarita, California. Santa Clarita Valley Water <br />Agency. Structural Engineer. Michael Baker provided engineering services for replacement of the RV-2, a <br />72-inch diameter butterfly valve located on the primary transmission main. CLWA determined that after <br />approximately 15 years in service, the valve needed to be replaced because the valve seat was damaged <br />and the valve did not fully seal. CLWA also needed to identify the probable cause of the damage to the <br />valve to prevent the damage from reoccurring. Michael Baker conducted a detailed analysis of existing <br />conditions and operational data, including various site investigations and a detailed system hydraulic <br />analysis, to determine the cause of damage to the valve; identified and evaluated project alternatives for <br />replacing the 72-inch diameter valve, including different types of valves, and recommended facility <br />improvements (e.g. modifications and/or replacement of equipment), as well as operational modifications <br />to ensure that the valve is not damaged again. Final improvements included a new 72-inch butterfly valve, <br />a 30-inch pressure control valve, relocation of electrical controls above grade, vault structural <br />improvements, as well as site drainage, landscaping and parking improvements for the City of Santa <br />Clarita's adjacent riding/hiking trail. <br />Rehabilitation of College Avenue Pump Station, Costa Mesa, California. Orange County Sanitation <br />District. Structural Designer. Michael Baker provided engineering and construction support services for the <br />rehabilitation of the College Avenue Sewage Pump Station. The design included replacement of pumping <br />equipment with new dry -pit submersible pumps, structural rehabilitation of the wet -pit and dry -pit, a new <br />ventilation system, a new odor control system, a new discharge valve vault for interconnecting dual force <br />mains, and a new concrete block building for the electrical equipment and controls. The design included <br />replacement of pumping equipment with new submersible pumps and a new concrete block building to <br />house the new electrical equipment and controls. <br />Proposal I Page R-16 On -Call Water Resources RFP No. 19-100 <br />1 N i E R N A i 10 N AL <br />