MICHAEL BAKER INTERNATIONAL, INC-A-2020-075-02

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REQUEST FOR PROPOSAL-� p On -Call Water Resources Engineering Services (RFP NO.19-100) . Creekside Well (GFR Well No. 2) Wellhead Facilities and Pipeline, Dana Point, California. South Coast Water District. Designer. Responsible for CADD design. Michael Baker is currently providing well and pipeline design services for a new South Coast Water District production well in Creekside Park, within the City of Dana Point. The new well, which is proposed to augment the supply of brackish groundwater to its existing reverse -osmosis GRF, will be drilled and equipped within a challenging 3,700-square-foot area located adjacent to park facilities, San Juan Creek, and other existing utilities running through the well site, requiring various setback considerations during preliminary design. In addition to providing design services and permitting support for the construction and equipping of the Creekside well, Michael Baker is also tasked to design approximately 1,200 feet of 10-inch-diameter raw water pipeline, including a 300- foot segment along the Stonehill Bridge, across the San Juan Creek. SMWD Middle Chiquita Canyon Water Facilities, Orange County, California. Santa Margarita Water District, Designer. Responsible for CADD design. Michael Baker provided preliminary and final design services for a total of approximately 23,200 linear feet (LF) of domestic and recycled water transmission mains, two 2.0 MG domestic water reservoirs, and one 4.0 MG recycled water reservoir, which serve the Rancho Mission Viejo Company's Sendero and Esencia Developments. The project also included: alternative pipeline alignment analysis for routes through environmentally sensitive areas and agricultural areas; grading phasing analysis; and coordination with the Rancho Mission Viejo Company, California Department of Public Health, San Diego Gas and Electric, and the California Department of Fish and Wildlife. Rio Vista Valve #2 (RV-2) Vault Modifications, Santa Clarita, California. Santa Clarita Valley Water Agency. Project Engineer. Michael Baker provided engineering services for replacement of the RV-2, a 72-inch diameter butterfly valve located on the primary transmission main. CLWA determined that after approximately 15 years in service, the valve needed to be replaced because the valve seat was damaged and the valve did not fully seal. CLWA also needed to identify the probable cause of the damage to the valve to prevent the damage from reoccurring. Michael Baker conducted a detailed analysis of existing conditions and operational data, including various site investigations and a detailed system hydraulic analysis, to determine the cause of damage to the valve; identified and evaluated project alternatives for replacing the 72-inch diameter valve, including different types of valves, and recommended facility improvements (e.g. modifications and/or replacement of equipment), as well as operational modifications to ensure that the valve is not damaged again. Final improvements included a new 72-inch butterfly valve, a 30-inch pressure control valve, relocation of electrical controls above grade, vault structural improvements, as well as site drainage, landscaping and parking improvements for the City of Santa Clarita's adjacent riding/hiking trail. Recycled Water Delivery System, Ontario, California. City of Ontario. Civil Associate. Michael Baker prepared PS&E for the City's new backbone recycled water distribution system. The system includes over 10 miles of recycled water PVC pipeline ranging in size from 8-inch to 24-inch diameter; a new irrigation system booster pump to irrigate the Euclid Avenue center median, a new recycled water booster pump station required to deliver recycled water from Inland Empire Utilities Agency's 1059 zone to the City's new recycled water distribution high zone; preparation of a Title 22 Supplemental Engineering Report and CEQA documentation; and bidding and construction phase engineering support. Atlantic Avenue Cast Iron Main Replacement, Long Beach, California. Long Beach Water Department. Designer. Responsible for CADD design. Michael Baker provided engineering services for approximately 10,000 linear feet of new eight -inch ductile iron pipe to replace the cast iron water main on Atlantic Avenue between the intersections with 405 Freeway/Spring Street and Pacific Coast Highway. Michael Baker's services included design, permitting, and traffic control. Proposal I Page R-12 On -Call Water Resources RFP No. 19-100 1 N T E R N A T 1 0 N AL