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, DECOMMISSIONING OF PRESSURE REDUCING VALVES RPR 003 AND RPR 069, identified under Solicitation ID: 13160. Work is to be performed near 3864 Viewpark Ave, Irvine, CA 92602, USA in Orange County.

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General Project Description

This project involves the decommissioning of two pressure-reducing valve (PRV) vaults, RPR 003 and RPR 069. The scope includes the demolition of both PRV vaults and the installation of approximately 16 feet of 8-inch diameter AWWA C900 PVC DR-14 recycled water pipeline at RPR 069, and approximately 16 feet of 16-inch diameter AWWA C900 PRV DR-14 recycled water pipeline at RPR 003. The contractor is responsible for furnishing all transportation, materials, equipment, labor, services, and supplies necessary for the demolition, construction, site maintenance, and cleanup, including stormwater pollution prevention devices, traffic control, and related civil engineering work. Final record documents are also required.

General Bid Items

Quantity: 1 Unit: LS Work Item: Mobilization, Demobilization, Erosion Control, Potholing, Site Restoration, and Cleanup.
Quantity: 1 Unit: LS Work Item: Trench Safety Measures.
Quantity: 1 Unit: LS Work Item: Traffic Control.
Quantity: 1 Unit: LS Work Item: Demolition (RPR 069). Specifications: Demolition of PRV station RPR 069, pipeline dewatering, hauling of water, removal and disposal of concrete pad, telemetry cabinet, concrete vault, associated piping, and appurtenances. Work includes coring of hole(s) and installation of geotextile.
Quantity: 1 Unit: LS Work Item: Furnish and install 8" AWWA C900 PVC DR-14 RW Pipe (RPR 069). Specifications: Furnishing and installing 8-inch pipe and restrained flange coupling adapters, placement and compaction of backfill materials, compaction testing, joint inspection, and placement of topsoil.
Quantity: 1 Unit: LS Work Item: Demolition (RPR 003). Specifications: Demolition of PRV station RPR 003, pipeline dewatering, hauling of water, removal and disposal of the valve box, valve box concrete collar, concrete vault, associated piping, and fittings. Work includes coring of hole(s) and installation of geotextile.
Quantity: 1 Unit: LS Work Item: Furnish and install 16" AWWA C900 PVC DR-14 RW Pipe (RPR 003). Specifications: Furnishing and installing 16-inch pipe and restrained couplings, valve box, frame, cover, and concrete collar, placement and compaction of backfill materials, compaction testing, joint inspection, and placement of topsoil.
Quantity: 1 Unit: LS Work Item: Final Record Documents. Specifications: Furnishing all labor, materials, equipment, and coordination necessary to prepare and submit complete Record Documents, including annotated record drawings and testing reports.

NAICS Classification

237110 – Water and Sewer Line and Related Structures Construction (Installation of recycled water pipelines, associated appurtenances, and backfill.), 238910 – Site Preparation Contractors (Demolition of PRV vaults, concrete pads, vaults, piping, and site restoration, earthwork, and cleanup.), 237990 – Other Heavy and Civil Engineering Construction (General civil work related to decommissioning structures and valve removal, including trenching and pipeline hydrostatic testing.), 541330 – Engineering Services (Aspects related to design, planning, and submission/review of technical documents and safety plans.)

Records and Due Date

This bid opportunity was entered into BidAmerica on December 23, 2025, and was last updated on December 22, 2025. All bids and/or proposals are due on January 22, 2026.

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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.