Project Information

Bid Title

WQCF Phase 3A - Construction Management

Issuing Agency

Patterson city

Location

California

Published Date

Feb 10, 2025

Closing Date

Feb 20, 2025

Government Level

State & Local

Status

Closed

Ref. #

2021-C-010

Original Source

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Bid Documents

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Project Description

Bid Number:	2021-C-010
Bid Title:	WQCF Phase 3A - Construction Management
Category:	Capital Projects
Status:	Open

Description: The City of Patterson is seeking individuals, teams, firms, or a combination thereof interested in providing construction inspection, contract administration and materials testing services, and system start-ups for the WQCF Phase 3A Wastewater Expansion Project. These services include, but are not limited to, inspection of all work performed by the contractor to ensure compliance with plans and specifications, daily reports including pictures to be submitted to the city.  Full scope of work is described in Section 3; Scope of Work which can be obtained from Valley Builders Exchange. Project Description The City’s existing Wastewater Quality Control Facility (WQCF) is located at the easterly end of Walnut Avenue, approximately 1.5 miles east of city limits.  The WQCF has a permitted wastewater treatment capacity of 2.25 MGD, with an approximate 2.25 MGD of reliable treatment capacity, and an existing average Dry Weather Flow of approximately 1.75 MGD. The WQCF consists of three separate processes: The North Activated Sludge Treatment System (NASTS), the Advanced Integrated Pond System (AIPS), and the South Activated Sludge Treatment System (SASTS).  The treated effluent is then pumped to percolation ponds for groundwater recharging.   The current capacity for the NASTS is 0.8 MGD, AIPS is 0.2 MGD and the SASTS is 1.25 MGD. The WQCF Phase 3A expansion shall be a pre-fabricated packaged Membrane Bioreactor (MBR) treatment system with a minimum treatment capacity of 0.625 MGD.  The MBR treatment system shall include all necessary appurtenances associated for its implementation to the City’s existing WQCF treatment system. In addition to the pre-fabricated MBR treatment system, Phase 3A expansion will include improving the screens at the influent pump station to accommodate the MBR treatment process, a potential new influent pump station to serve as redundancy and/or supplement existing IPS, conversion of Pond #1 to be an equalization pond, a new sludge dewatering area of approximately 1.25 acres, installing a second solids dewatering unit (screw press, belt press, other) and potentially utilizing battery packs as back-up power. Publication Date/Time: 1/10/2025 2:00 PM Publication Information: valleybx.com Closing Date/Time: 2/20/2025 2:00 PM Bid Opening Information: 02/20/2025 Contact Person: Tiffany Rodriguez, Director of Engineering City of Patterson Engineering Department 1 Plaza Circle Patterson, CA 95363 Phone: (209) 895-8075 Fax: (209) 895-8069 Email: tirodriguez@ci.patterson.ca.us Download Available: www.valleybx.com Plan & Spec Available: www.valleybx.com Qualifications: Please log into Valleybx.com to obtain a copy of the request for proposals which include the scope of work and qualification requirements. Miscellaneous: You must be registered with the Valley Builders Exchange in order to obtain the request for proposal documents.

Commodity Codes

• NAICS 236220Commercial and Institutional Building Construction
• NAICS 541330Engineering Services

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