Chief joseph DAM upstream monolith joint seal, bridgeport, WA
Ended Definitive Contract Awarded Last action
- Contract number
- W912DW25CA002
- Awardee
-
Northbank Civil And Marine, LLC UEI PUVYFG5N1NH8
- Awarding agency
-
ENDIST Seattle
US Army Corps of Engineers, Department of Defense
- Obligated
- $6,207,200
Award facts
- Opportunity
-
- Chief Joseph Dam Upstream Monolith Joint Sealing Pre-Solicitation · W912DW25RA001 · Posted Jun 24, 2025
- Contract value 99% obligated
- $6,272,930.00 Current and potential, with all options
- Completion date 100% complete
- Current and potential, with all options
- NAICS code
- 237990 Other Heavy and Civil Engineering Construction
- Set-aside
- Total Small Business
- Competition
- Full and Open Competition after exclusion of sources · 2 offers Negotiated Proposal / Quote
- Pricing
- Firm Fixed Price
- Place of performance
- Bridgeport, WA 98813, USA
- Legislative mandates
-
- Davis-Bacon Act FAR subpart 22.4
- Service Contract Inventory FAR subpart 4.17
Award details come from SAM.gov/FPDS.
Transactions
| Action | Obligated | Date |
|---|---|---|
| Other Administrative Action | $0 | |
| Change Order | -$145,150 | |
| Exercise an Option | $160,000 | |
| Exercise an Option | $144,700 | |
| Exercise an Option | $160,450 | |
| Funding Only Action | $3,887,200 | |
| Other Administrative Action | $0 | |
| Original award | $2,000,000 |
About this award
The Department of the Army Corps of Engineers, Engineering District Seattle, awarded a $6.272 million firm fixed-price definitive contract to Northbank Civil and Marine, LLC for upstream monolith joint sealing at Chief Joseph Dam in Bridgeport, Washington, on November 1, 2025, under a total small business set-aside.
The contract encompasses drilling, waterstop installation, and diver-applied sealing at specified monolith joints on the spillway and non-overflow sections to reduce excessive leakage into the dam's drainage gallery. Work includes construction of waterstops at spillway monolith joints 11/12, 15/16, 17/18, and 18/19; non-overflow monolith joint 27/28; and closure section monolith joint C2/C3, with diver operations occurring from the forebay on the upstream face. The ultimate completion date is May 2, 2026. Place of performance is Bridgeport, WA. The procurement was conducted under NAICS code 237990 (Other Heavy and Civil Engineering Construction) with a $45 million size standard, evaluated using a Lowest Price Technically Acceptable method.
Quick answers
Who was awarded contract W912DW25CA002?
W912DW25CA002 was awarded to Northbank Civil And Marine, LLC by ENDIST Seattle (US Army Corps of Engineers) on November 1, 2025.
How much is contract W912DW25CA002 worth?
The government has obligated $6,207,200 on W912DW25CA002. Its current value, with exercised options, is $6,272,930.
Was contract W912DW25CA002 competed?
The extent of competition for W912DW25CA002 was full and open competition after exclusion of sources. The government received 2 offers. It was set aside: Total Small Business.
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