This Government Contract opportunity from California was posted on September 25, 2025. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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San Jacinto Valley RWRF Aeration Basin Rehabilitation and Diffusers Replacement Project

Awarded

Spec # 1557SState & Local

Submission Closed10/23/2025, 05:00:00 PM UTC

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

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NAICS: 237990

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POSTED

about 8 hours ago

DEADLINE

in 24 days

AI Contract Overview

The San Jacinto Valley RWRF Plant 2 Aeration Basins Rehabilitation and Diffusers Replacement Project, managed by the Construction Department of Eastern Municipal Water District, involves comprehensive structural and mechanical upgrades to the facility's aeration zones. The contractor is responsible for coordinating shutdowns, performing structural repairs, and replacing existing aeration panels, stainless steel pipelines, and fasteners. Key technical requirements include the installation of new tubular aeration diffusers, motorized actuators, valves, mass flowmeters, and dissolved oxygen analyzers, along with the necessary electrical and control system modifications to integrate these components. Additional operational responsibilities include managing temporary pumping and piping systems for dewatering, installing a temporary RAS line during specific zone shutdowns, and replacing sluice gate gaskets as needed. The contractor must also handle the modification of the 24 inch aeration header pipe and manage algae growth during the commissioning and testing phases. Bids for this project, which require a 10 percent bid bond, are due by October 23, 2025.

General Info

Agency

California → Construction Department of Eastern Municipal Water District

Contract Value

$65,000

NAICS

237990 - Other Heavy and Civil Engineering Construction

Place of Performance

San Jacinto Valley RWRF - 770 N. Sanderson Avenue, San Jacinto, CA 92582, CA, USA

Set-Aside

NONE

Awardee

GSE Construction Company Inc.

Award Issued Date

09/25/2025, 12:00:00 AM UTC

Documents

No documents available

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Timeline

PhaseAwarded

PostedSep 25

Solicitation

AwardedSep 25

Contract was awarded

Submission Closed

10/23/2025, 05:00:00 PM UTC

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Organization & Contact Information

AgencyCalifornia → Construction Department of Eastern Municipal Water District

Contacts1 person available

OfficeCA, USA

Organization / AgencyCalifornia → Construction Department of Eastern Municipal Water District

Office AddressCA, USA

Contacts

Jennifer Morgenstern xContact

contact@example.gov

+1 (555) 000-0000

Full Description

Scope: SC-02 Scope of Work - Under these Specifications the Contractor shall perform all work associated with construction of San Jacinto Valley RWRF Plant 2 Aeration Basins Rehabilitation and Diffusers Replacement Project. The scope of work for this project includes, but is not limited to, the following: 1. Coordinate with District’s treatment plant operations and electrical services to schedule and sequence the Plant 2 Aeration zones shutdowns and construction work. District will drain and clean aeration zones 2. Furnish and install, operate and maintain, temporary pumping and piping system to dewater any nuisance flow into the work area 3. Perform structural repairs of all Plant 2 aeration basins per detailed condition assessment of representative aeration zones of Plant 2’s Zones 3 4. Demolish and remove existing aeration panels and fasteners, stainless steel aeration pipeline, and appurtenances 5. Furnish, install, operate and maintain a temporary RAS line during shutdowns of Zones Z2 & Z1 construction work. 6. Perform gasket replacement for 102”x60” sluice gates between Zones 1 and 2, and Zones 3 and 4, if needed. 7. Perform gasket replacement for 20”x20” RAS sluice gates Zones 1 and 2, if needed. 8. Furnish and install new tubular aeration diffusers, new stainless steel aeration pipeline, pipeline supports, and appurtenances 9. Furnish and install new motorized actuators and valves, mass flowmeters, and dissolved oxygen analyzers and probes, and appurtenances 10. Modify, furnish and install, and terminate new conduits and wires and appurtenance for the new motorized actuators and valves, mass flowmeters, and dissolved oxygen analyzers and probes 11. Furnish and install associated electrical, instrumentation, control system modifications, and integrate control and instrumentation 12. Coordinate with District for the Plant 2 aeration basins shutdowns to modify existing 24” aeration header pipe and the coring of Zones Z2 & Z1 wall for the new aeration piping 13. Coordinate with District to obtain and drain reclaimed water for diffusers commissioning and testing for each aeration zone 14. Manage and control algae growth within the Plant 2 Aeration Basins during commissioning effort, without the use
Notes: Bid Results will be available in PlanetBids once time for receiving bids has expired.
Bid Bond: 10.00%