Geological Exploration Drilling
Open State & local contract opportunity Posted
- Solicitation number
- 10220866
- State
- California
- Responses due
Opportunity facts
- Jurisdictions
- Point of contact
-
- Carley Porter carley.porter@water.ca.gov (916) 902-6930
Opportunity details come from constructionbidsource.com. Updated .
About this opportunity
The California Department of Water Resources is requesting sealed bids on geological exploration drilling and well construction services in the Salton Sea watershed under IFB #10220866, with bids due October 21, 2026 at 4:00 p.m. and public opening October 22 via Microsoft Teams. A mandatory 3.0% Disabled Veteran Business Enterprise (DVBE) participation commitment is required; a 5.0% Small Business preference and non-small business preference (when 25% subcontracting with certified SBs is achieved) are also available.
Work spans a minimum of two and maximum of six drilling sites in Sacramento County and San Francisco City and involves providing at least one fully equipped mud-rotary drilling rig staffed with one driller and at least two driller's helpers on a work-order basis. Services include pilot hole drilling, borehole geophysics, well installation, annular backfill, well development, and pump testing. Materials range from soft clays and loose sands to potential boulders and bedrock; all borings expect groundwater encounter with possible artesian conditions. Bidders must hold a valid California C-57 Water Well Drilling License, employ at least two drillers with five years of documented experience, and provide at least two driller's helpers with at least six months of experience. All personnel must complete defensive driver training, first aid and CPR, and sexual harassment prevention training within three years prior to work.
The anticipated contract term is one year with two optional one-year renewal periods, starting January 2027. Pricing is structured on unit prices for specific line items across drilling services (Table A) and well development services (Table B), with no guaranteed volume. Bidders must maintain an office or warehouse in California with full-time employees and drilling equipment. A bidder's bond equal to 10% of the bid amount and performance and payment bonds equal to 100% of the contract amount are required upon award. Technical questions are due October 2, 2026 at 12:00 p.m., with answers provided by October 6 at 3:00 p.m. Bids must be submitted in both hardcopy and electronic format (Word and/or PDF on USB drive) in a sealed envelope marked "DO NOT OPEN."
Opportunity text
Description: The Work consists of providing a minimum of one (1) fully equipped drilling rig at a time, staffed with a driller and at least two (2) driller's helpers, on a work order basis to perform drilling and well construction services for Projects located in the Salton Sea watershed in southern California. Drilling rigs mounted on two-wheel drive trucks are required to be available for use. Materials to be drilled are expected to range from soft clays to loose sands and gravels. Although unexpected, it is possible that boulders, and bedrock varying from weathered and weak, to fresh and very hard could be encountered. All borings are expected to encounter groundwater, with artesian conditions possible. Some borings shall have stable walls while others shall exhibit caving and/or flowing conditions.
Files
| File | Type | Posted |
|---|---|---|
| Bid Notice-Geological Exploration Drilling.pdf |
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