The scope of work encompasses all civil, landscape, cathodic protection, mechanical, process and instrumentation, structural, architectural, HVAC, plumbing, and electrical tasks included within the Contract Documents.

Engineer's Estimate: $203,000,000

Walsh Construction, as a Prime Contractor, is bidding Enhanced Treatment and Site Upgrade (ETSU) Program Phase 1B (Project #800-557) for Union Sanitary District. REQUESTING BIDS FROM ALL DBE/MBE/WBE/SBE SUBCONTRACTORS AND SUPPLIERS IN ACCORDANCE WITH CSWRCB’S SRF FUNDING AND WIFIA FUNDING.

Walsh is seeking bids from firms for the following services and/or materials; we are willing to discuss breaking out any portion of the work into economically feasible units to facilitate DBE participation: PIPELINES, CONCRETE, REBAR, GROUTING, MASONRY, STEEL FRAMING, JOINT SEALANTS, DRY-WALL, MISC. METALS, CARPENTRY, FIBERGLASS REINFORCED PRODUCTS, INSULATION, ROOFING, WINDOWS AND DOORS, PAINTING AND COATINGS, SIGNAGE, FIRE EXTINGUISHERS, HVAC, ELECTRICAL, I&C, SHORING, ASPHALT PAVING, SURFACE RESTORATION, ARCHITECUTRAL SECURITY FENCE, CHAIN LINK FENCING, SEGMENTAL CONCRETE UNIT MASONRY RETAINING WALL, IRRIGATION, TREE TRANSPLANTING (PALM TREES), LANDSCAPING, MANHOLES, PROCESS PIPE AND PROCESS EQUIPMENT, DEMOLITION, EARTHWORK, LATERAL SUPPORT EXCAVATION, DRILLED PIERS, DRILLED DISPLACEMENT PILE GROUND IMPROVEMENT, MINIPILES, TRUCKING, STRUCTURAL STEEL, DECKING, DAMPPROOFING, INSULATION, FLASHING AND SHEET METAL, GYPSUM BOARD, CERAMIC TILING, ACOUSTIC PANELS, CATHODIC PROTECTION, FIRE PROTECTION, DEWATERING, GLASS/GLAZING, BUILTUP BITUMASITC ROOFING, ROOF FALL PROTECTION, FIRESTOPPING, JOINT FILLERS/SEALERS/CAULKING, FRP DOORS AND FRAMES, TRANSLUCENT WALL ASSEMBLIES, FINISH HARDWARE, LOVERS, POLYURETHANE MIC COATINGS, CANOPIES, STEEL LAB CABINETS AND ACCESSORIES, PLUMBING, CONCRETE CRACK REPAIR, ASPHALT PAVING, WATER AND WASTEWATER EQUIPMENT, SLIDE GATES, STOP PLATES/STOP LOGS, CRANES/HOISTS, PROCESS PUMPS, POLYETHYLENE STORAGE TANKS.

SCOPE LETTERS DUE: 3 PM on Friday, April 25, 2025

Please send all correspondence, questions, and quotes to email address ONLY: norcalwaterestimating@walshgroup.com. Project contact is Clay Gunderson at (925) 627-1700.