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

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Section C. Understanding of Need Exhibit 1. Project Location/Scope Butler Engineering, Inc understands (hat the City of Santa Ana is seeking a professional consultant to perform construction engineering and management services for the Well 32 Rehabilitation Improvements Project The consultant will work as an extension of the City's staff through all phases of the project from pre -construction through closeout and commissioning to ensure the work is completed in accordance with the contract documents. Due to its elevated nitrate levels, the City is planning to perform a major well rehabilitation project at Well 32. The rehabilitation will include new well equipment, new building, new chlorination facilities, and a new pipe to take the well water to John Garthe Reservoir to be blended with low nitrate groundwater. The estimated construction cost is approximately $13 million The City's anticipated construction start date is Summer 2022 with a duration of 16 months, Rehabilitation of the existing Well 32, which is located at Morrison Park, includes construction at the following locations: 1. Morrison Park • Demolition of the existing underground well vault, valves, piping and facilities, • Raising the well pump structure to grade, including associated well casing, column and is appurtenances, New above ground well building with a pump and electrical room, including well pump/motor, well discharge and well to waste valves and piping, • Yard piping, site improvements, irrigation and landscaping improvements • Repair and resurfacing of the basketball/ tennis courts. • Replacement of the tennis court fence enclosure. • Replacement ofthe court lighting and corresponding electrical facilities City of Santa Ana, Public Works Agency Well 32 Rehebdilelian Imp—menls Conshu 1m Menegemenl end /nspechon Services 2. City Street Rights -of -Way • 12-inch well discharge piping, with parallel fiber optic facilities, will be constructed from the well site at Morrison Park to the John Garthe Reservoir site • The alignment is approximately 3,700 LF and includes removal/ replacement of an existing pipe within an existing bridge cell for 100 LF. • Supports, thrust restraints, and attachments to the bridge as well as the necessary pipeline appurtenances, pavement replacement and necessary traffic control 3. John Garthe Reservoir Construction of a chemical building/reslroom facility and associated on -site piping, including pressure control and chemical injection vaults I* • Chemical building will house the sodium hypochlorite generation equipment. The building will be constructed of CMU walls on a concrete pad with a gabled roof including the coneeponding plumbing, mechanlcal_ Rlocl /toil, msi umonlAlldn and Contml facildtes Electrical upgrades to the John Garthe Pump Station Lvaond t — 12-inch Class 350 DIP and Fiber Opllc Conduits Bristol Street Bridge Crossing RUTIER I C. UNDERSTANDING OF NEED