Unofficial Notice of Invitation to Bid (NIB)

Irvine Ranch Water District (IRWD) is seeking bids from qualified and interested contractors for the following project titled, Relocation of 36-Inch Recycled Water Pipeline at I-5 Segment 2 and Culver Drive, identified under Solicitation ID: 13204. Work is to be performed near 15600 Sand Canyon Ave, Irvine, CA 92618, USA in Orange County.

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

General Project Description

This project involves the relocation of a 36-inch recycled water pipeline at the intersection of I-5 Segment 2 and Culver Drive. The scope of work includes furnishing all necessary labor, materials, methods, tools, and machinery for the construction and completion of the pipeline relocation. Key activities encompass site preparation, coordinating shutdowns and water disposal with the District, potholing utilities, constructing new pipeline, traffic control, excavation, backfill, compaction, erosion control, disposal of excess excavated material, disinfection, cleanup, pavement replacement and restoration, and installation of temporary facilities and controls to protect the public and existing utilities. Contractor compliance with prevailing wage laws, safety procedures, and environmental regulations is required.

General Bid Items

Quantity: - Unit: - Work Item: Relocation of 36-Inch Recycled Water Pipeline
Quantity: - Unit: - Work Item: Tie-in to existing recycled water line, Specifications: Maximum shutdown time is 8 hours, shutdown occurring between 9:00 p.m. and Not Provided am.
Quantity: - Unit: LUMP SUM Work Item: Potholing Utilities (locate utilities shown on plans or inferred from surface features)
Quantity: - Unit: LINEAL FOOTAGE Work Item: Construct 36-inch CML&C Class 200 Steel Pipe
Quantity: - Unit: - Work Item: Locate and adjust existing valve box to grade
Quantity: - Unit: - Work Item: Sawcut and protect existing pavement and utilities during valve box adjustment
Quantity: - Unit: - Work Item: Surface improvements, backfill, compaction, temporary surface repair, and cleanup associated with valve box adjustment
Quantity: - Unit: - Work Item: Pavement Replacement and Restoration
Quantity: - Unit: - Work Item: Demolish and dispose of inactive existing air release assembly, cut and plug service line below grade, and restore the site (Applicable if testing indicates assembly is inactive per 01840-6 page 179)
Quantity: - Unit: - Work Item: Protecting existing utilities and surface improvements, control of surface waters, excavation, backfill, bedding, compaction, disposal of excess excavated material, disinfection, and cleanup (General scope item as per 01840-6 page 179)

NAICS Classification

NAICS 237110 – Water and Sewer Line and Related Structures Construction (Primary activity: Relocation of a water pipeline), NAICS 237310 – Highway, Street, and Bridge Construction (Includes pavement replacement and restoration related to the pipeline work and traffic control.), NA 238910 – Site Preparation Contractors (Includes excavation, backfilling, compaction, and earthwork activities.), NAICS 237990 – Other Heavy and Civil Engineering Construction (Encompasses other civil engineering works related to utility infrastructure.)

Records and Due Date

This bid opportunity was entered into BidAmerica on November 25, 2025, and was last updated on November 24, 2025. All bids and/or proposals are due on December 16, 2025.

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 Irvine Ranch Water District (IRWD).

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 Irvine Ranch Water District (IRWD). 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 Irvine Ranch Water District (IRWD) prior to bidding.