Unofficial Notice of Invitation to Bid (NIB)

Orange County Water District is seeking bids from qualified and interested contractors for the following project titled, MONITORING WELL FVM -1 VAULT REPLACEMENT, identified under Solicitation ID: IFQ-25-001. Work is to be performed near 11400 Warner Ave, Fountain Valley, CA 92708, USA in Orange County.

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

General Project Description

The project involves furnishing all labor, equipment, materials, and forces necessary for mobilization, demolition and removal, excavation and backfill, well casing extension, drain rock placement, concrete and base installation, surveying, and site cleanup. Specifically, this entails the extension of a 4-inch schedule 40 steel well casing and the replacement of a 2-foot x 3-foot vault over Monitoring Well FVM -1, located in Mile Square Park in Fountain Valley, California. This work is required due to a recent 2-foot increase in the adjacent grade.

General Bid Items

Quantity: - Unit: - Work Item: Mobilization to the Site.
Quantity: - Unit: - Work Item: Demolition and removal of the existing vault.
Quantity: - Unit: - Work Item: Excavate the area around the well casing. Specifications: to a minimum of 2-feet below the top of the existing casing.
Quantity: - Unit: - Work Item: Weld a two-foot casing extension. Specifications: pipe matching existing material and diameter, protect in place 1.75-inch diameter PVC liner.
Quantity: 5-foot square area Unit: 24-inch Deep Work Item: Install 3/4-inch crushed aggregate base. Specifications: compacted to 90% compaction, centered on the well casing, per Greenbook Section 200-2.
Quantity: - Unit: - Work Item: Install new Jensen K2436 -FH33 -08T vault with lid. Specifications: Precast traffic rated water box, Model K2436 -FH33 -08T as manufactured by Jensen.
Quantity: - Unit: - Work Item: Backfill around the vault with native material. Specifications: to concrete subgrade with minimum 90% compaction, placed in 8-inch lifts; provide similar backfill material if native material is insufficient.
Quantity: 10-foot square Unit: 4-inch Thick Work Item: Place Aggregate Base. Specifications: compacted to 95%, per Greenbook Section 200-2.
Quantity: 10-foot square Unit: 6-inch Thick Work Item: Place reinforced concrete maintenance pad. Specifications: welded wire mesh reinforced; Portland Cement Concrete with minimum 2,500 psi compressive strength per Greenbook Section 201-1; 6x6 4/4 welded wire reinforcement per Greenbook Section 201-2; concrete forms placed per Greenbook Section 303-5.2; reinforcement installed per Greenbook Section 303-1.7; concrete placed per Greenbook Section 303-5.3; concrete finish per Greenbook Section 303-5.5.5.
Quantity: - Unit: - Work Item: Survey the elevation of the top of the finished casing and top of finished vault. Specifications: Utilize a registered surveyor.
Quantity: - Unit: - Work Item: Site maintenance during construction and perform final site clean-up and restoration.
Quantity: - Unit: - Work Item: Provide all project records, as required.

NAICS Classification

237110 – Water and Sewer Line and Related Structures Construction, 238910 – Site Preparation Contractors, 237990 – Other Heavy and Civil Engineering Construction

Records and Due Date

This bid opportunity was entered into BidAmerica on December 18, 2025, and was last updated on January 8, 2026. All bids and/or proposals are due on January 22, 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 Orange County Water District.

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 Orange County Water District. 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 Orange County Water District prior to bidding.