Unofficial Notice of Invitation to Bid (NIB)

Bakersfield City is seeking bids from qualified and interested contractors for the following project titled, Construction of Basin 1 to 9 Turnout, identified under Solicitation ID: 26WDWR01. Work is to be performed near 1000 Buena Vista Rd, Bakersfield, CA 93311, USA in Kern County.

Create a Free account to view ALL details and documentsNo credit card required

General Project Description

The project involves the construction of a new turnout structure for Basins 1 to 9 in a dry canal bed. The scope of work includes, but is not limited to, the removal of existing pipe culverts, construction of a new reinforced concrete structure with wingwalls, furnishing and installing slide gates, trash screen racks, miscellaneous metals (bar gratings, handrails, guard posts, guard rails), and reconstruction of river channeling. This encompasses excavation, backfill, compaction, placement of rock slope protection on channel slopes and river invert, excavation and canal grading, earthen embankments, and all other incidental items necessary for the complete construction and verified operation of the new turnout structure, including environmental compliances.

General Bid Items

Quantity: - Unit: - Work Item: Removal of existing pipe culverts.
Quantity: - Unit: - Work Item: Construction of reinforced concrete structures, including foundations, abutments, footings, and wing walls, Specifications: 4000 psi compressive strength, Class 2 concrete (590 lbs cement/cubic yard), Type II Modified Portland Cement, 1½ inch max aggregate, 4-inch slump.
Quantity: - Unit: - Work Item: Furnishing and installing steel reinforcement, Specifications: Deformed bars conforming to ASTM A-615, Type S, Grade 40 (#4 and smaller) or Grade 60 (#5 and larger).
Quantity: - Unit: - Work Item: Furnishing and installing stainless steel slide gates and operators, Specifications: Minimum ½ inch thickness, stainless steel frame, stainless steel plate slide, polyethylene seats and J-bulb seals, SS Bevel gear operator manufactured by Rotork.
Quantity: - Unit: - Work Item: Furnishing and installing trash screen racks, Specifications: Miscellaneous metal conforming to Sections 55 ("Steel Structures") and 75 ("Miscellaneous Metal") of Standard Specifications, hot-dipped galvanized or 304 stainless steel.
Quantity: - Unit: - Work Item: Furnishing and installing miscellaneous metals, including bar gratings, handrails, guard posts, and guard rails, Specifications: Structural steel (A-36 or 304 stainless steel), steel pipe (ASTM A120, schedule 40 minimum), hot-dip galvanized per ASTM A93, A123, A153.
Quantity: - Unit: - Work Item: Reconstruction of river channeling, including excavation, backfill, and compaction, Specifications: Earthwork conforming to Section 19 of Standard Specifications ("Earthwork").
Quantity: - Unit: - Work Item: Placement of rock slope protection on channel slopes and river invert, Specifications: Rock and filter material measured by "neat-lines," filter fabric per Section 72-2.02B "Fabric."
Quantity: - Unit: - Work Item: Canal grading and earthen embankments, Specifications: Embankment calculation per Section 19-2.04 "Payment" of Standard Specifications, compacted embankment, excavation and structure excavation grading factor 0.85.
Quantity: - Unit: - Work Item: Trench Safety work, including shoring, bracing, and worker protection.
Quantity: - Unit: - Work Item: Sound Control Requirements, Specifications: Noise level not to exceed 86 db at 50 feet between 9:00 p.m. and 6:00 a.m.
Quantity: - Unit: - Work Item: Control of Groundwater, Specifications: Furnishing, installing, and operating equipment to keep trenches free of water.
Quantity: - Unit: - Work Item: Clearing and Grubbing, Specifications: Conforming to Section 16 of Standard Specifications.
Quantity: - Unit: - Work Item: Hazardous Waste Handling, Specifications: Immediate notification to Engineer upon encounter of suspected hazardous waste.
Quantity: - Unit: - Work Item: Protective Coatings for ferrous and galvanized metals, Specifications: Various epoxy and polyurethane systems (e.g., Amerlock 400, Amercoat 450HS) for ferrous metals, Eutectic-type repair or high zinc content cold galv compound for galvanized metals.
Quantity: - Unit: - Work Item: NPDES (SWPPP) compliance, BMP placement and maintenance.
Quantity: - Unit: - Work Item: Dust Abatement.
Quantity: - Unit: - Work Item: Final punch list items and cleanup.

NAICS Classification

NAICS 237110 – Water and Sewer Line and Related Structures Construction, NAICS 237990 – Other Heavy and Civil Engineering Construction, NAICS 238910 – Site Preparation Contractors, NAICS 238110 – Poured Concrete Foundation and Structure Contractors, NAICS 238120 – Structural Steel and Precast Concrete Contractors

Records and Due Date

This bid opportunity was entered into BidAmerica on November 18, 2025, and was last updated on November 17, 2025. All bids and/or proposals are due on December 8, 2026.

Contractors may log in or create a free BidAmerica account to view full project documents, plans, specifications, addenda, submission requirements, and more project details issued by Bakersfield City.

Legal Disclaimer

All bidders are responsible for reviewing and verifying all official bid documentation directly from the issuing agency. BidAmerica aggregates public bid information for advertisement purposes for contractors and government agencies convenience. This Notice of Invitation to Bid is for reference purposes only and is not an official or complete representation of any documents issued by Bakersfield City. BidAmerica does not guarantee the accuracy, completeness, or timeliness of any information displayed and shall not be held liable for any errors, omissions, misinterpretations, or damages resulting from reliance on this summary. Contractors must obtain all official information—including plans, specifications, addenda, deadlines, submission requirements, qualifications, and bidding conditions—directly from Bakersfield City prior to bidding.