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  1. Bid Banana
  2. ›Closed bids
  3. ›California
  4. ›Engineering Services
  5. ›12/15/2025

Yolo County·California

12/15/2025

Closes 12/15/2025$200k – $500kRequest for Quotation
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Description

This closed solicitation invites qualified firms to provide on‑call materials testing and geotechnical engineering services to Yolo County, supporting a variety of public works and infrastructure projects. The agreement is intended to be an “on‑call” arrangement, allowing the county to call on contractors as needed for testing, analysis, and consulting services related to soil, rock, and construction materials. • Services include laboratory testing of soils, aggregates, concrete, and other construction materials. • Geotechnical engineering support such as subsurface investigations, borehole drilling, and design recommendations. • Flexible, on‑demand engagement model to address multiple projects across the county over the contract period.

Attached files

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

Key dates

Opened
8/18/2026
Closes
12/15/2025

Last updated

Details

Type
Request for Quotation
Industry
Engineering Services
NAICS
541330

Budget estimate

$200,000 – $500,000

Based on typical on‑call municipal contracts for materials testing and geotechnical services, annual spend can range from a few hundred thousand to over half a million dollars depending on project volume, testing frequency, and the number of simultaneous investigations. Assuming a mid‑size county with regular road, bridge, and building projects, a reasonable estimate is $200,000 – $500,000 per contract year. Factors influencing the range include the number of tests ordered, complexity of geotechnical studies, and any required standby or rapid‑response fees.

AI estimate from the solicitation

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