Los Gatos Recharge Basin Phase 1 Design-Build

Westlands Water District is seeking a design-builder team to provide design, permitting, major earthwork, basin construction, spillways, instrumentation, and related site improvements for Phase 1 of the Los Gatos Recharge Basin in western Fresno County, California.

Westlands Water District


General
Open (bidding)
26-05
Nov 11, 2026 01:00 AM
Sep 23, 2026 11:45 PM
Other
Request for Proposal (RFP)
Local
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Original Solicitation Links
Contact
nchin@wwd.ca.gov
+15592416221
Submission Instructions
Online
One (1) PDF electronic file
Description

Westlands Water District is soliciting proposals from a qualified design consultant/general contractor team for the progressive design-build of Phase 1 of the Los Gatos Recharge Basin. The work includes project management, topographic surveying, preliminary and final plans and specifications, permitting support, design support during construction, record drawings, construction management, procurement, utility locating, clearing and grubbing, excavation, grading, site earthwork, spillway installation using concrete crest, siphon, or culvert systems, structural work as needed, piping as needed, access roads, landscaping, fencing, signage, and water-level measurement instrumentation. Phase 1 must complete the major earthwork and multiple recharge basins, use excavated material onsite for required fill, and reserve space for future Phase 2 pumping, electrical, mechanical, and diversion improvements. Proposals must address qualifications and comparable experience, project team and references, technical approach, schedule, fee proposal, resumes, licenses and certifications, and addenda acknowledgment. The solicitation requires a single electronic PDF proposal submitted through the designated online portal, with a mandatory pre-proposal meeting and site walk, a signed proposal valid for 90 days, and evidence of required insurance and bonding capacity. The selected respondent will negotiate scope and fees before award; performance and payment bonds covering 100% of construction services will be required before construction.

Classification Codes
NAICS237990Other Heavy and Civil Engineering Construction
PSCC1NEARCHITECT AND ENGINEERING- CONSTRUCTION: WATER SUPPLY FACILITIES
Smart Codes
recharge basin constructiondesign-build engineeringearthwork and grading
Specifications
Service
Timeline
Sep 23, 2026 11:45 PM-RFP Posted Date
Oct 15, 2026 05:00 PM-Mandatory Pre-Proposal Meeting and Site Walk (required)
A site visit will follow the meeting.
Oct 31, 2026 12:00 AM-Questions Due
Nov 6, 2026-District Deadline to Post Responses
Nov 11, 2026 01:00 AM-Proposal Due Date
Dec 15, 2026-Project Approval, Contract Award, and Contract Execution
Jan 1, 2027-Anticipated Notice to Proceed
Apr 1, 2027-Anticipated Design Completion
May 1, 2027-Anticipated Construction Start
Aug 1, 2027-Anticipated Substantial Completion
Sep 1, 2027-Anticipated Final Completion
Requirements
Required
  • Workers' Compensation and Employer's Liability Insurance
  • Commercial General Liability and Property Insurance
  • Builder's Risk "All-Risk" Insurance
  • Professional Liability Insurance — $10,000,000.00
Required
  • Performance Bond — 100%
  • Payment Bond — 100%
Scored
  • Minimum 5 references
  • Client point of contact required for each reference
Documents
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