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  5. ›CMAR - Santa Ana River (E01) Avio Tide Gates Replacement

County of Orange·California

CMAR - Santa Ana River (E01) Avio Tide Gates Replacement

Closes 4/7/2026$5M – $10MRequest for Proposal
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Description

The County of Orange is seeking a Construction Manager at-Risk (CMAR) for the replacement of the Avio tide gates at the Santa Ana River. The project involves the design and construction of new tide gates to maintain safe and reliable operation and extend the service life of the existing gates. The selected CMAR will collaborate with the County's in-house project manager and external engineering firm on the design, constructability, cost, project approach, and schedule of the project. The CMAR will provide design and construction services for a negotiated Guaranteed Maximum Price (GMP). The project requires a minimum of five years of direct experience with general contracting, and the design engineer must be a licensed professional civil engineer in the State of California with a minimum of ten years of experience. • The project involves the replacement of the Avio tide gates at the Santa Ana River. • The selected CMAR will collaborate with the County's in-house project manager and external engineering firm. • The CMAR will provide design and construction services for a negotiated Guaranteed Maximum Price (GMP). • The project requires a minimum of five years of direct experience with general contracting. • The design engineer must be a licensed professional civil engineer in the State of California with a minimum of ten years of experience.

Attached files

The solicitation documents live at the source — open the bid source above to download them.

Contact

Thanh Vu(Deputy Procurement Agent)

[email protected]

(714) 000-0000

Key dates

Opened
2/26/2026
Questions due
3/24/2026
Pre-bid meeting
3/10/2026Mandatory
Site visit
3/10/2026Mandatory
Closes
4/7/2026

Last updated

Details

Type
Request for Proposal
Industry
Construction
NAICS
236220
Solicitation №
RFP-080-2878902-TV

Budget estimate

$5,000,000 – $10,000,000

The budget for this project is estimated to be around $5 million to $10 million, based on the scope of work and the requirements for the CMAR. The project involves the design and construction of new tide gates, which requires significant resources and expertise. The estimated budget range is based on industry standards for construction management services and the complexity of the project.

AI estimate from the solicitation

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