Bid Banana
PricingBid helpAPILog inStart free trial
Log inStart free trial

Learn more

  • Washington guideWashington Bids and Bidding Guide
  • Before you submitBid Response: 3 Common Mistakes When Submitting an RFP
More civil engineering bids →Must-win bid? Bring in The Bid Lab →
Bid Banana
SearchPricingBid helpBrowse bidsAPISupportFAQPrivacy PolicyTerms of UseAI Use Policy

This website and its content is copyright of The Bid Lab © 2026. The Bid Lab is a trademark of Bid Lab, LLC. All rights reserved.

  1. Bid Banana
  2. ›Closed bids
  3. ›Washington
  4. ›Civil Engineering
  5. ›Tumwater Dam Foundation Maintenance

Awarded contract·Chelan County PUD·Washington

Tumwater Dam Foundation Maintenance

Won by Knight Const. & Supply, Inc.$4.6MSingle Award
Contract source

Awarded vendors

  • Knight Const. & Supply, Inc.

Description

The Chelan County Public Utility District issued a Labor & Materials solicitation to perform foundation maintenance on the Tumwater Dam, including restoring the dam’s apron and replacing eroded material at the spillway toe. The agency’s estimated budget was $4 M, but the awarded bid from Knight Construction & Supply, Inc. totaled $4,564,264, exceeding the budget by roughly 14 %. The project is a civil‑engineering heavy‑construction effort located in central Washington, requiring expertise in concrete repair, structural reinforcement, and geotechnical services. The contract was awarded through a full and open competition process, and the vendor’s contact details were not disclosed in the available records.

Attached files

Key dates

Bids closed
7/11/2023

Last updated

Details

Award type
Single Award
Procurement
Full and Open Competition
Industry
Civil Engineering
NAICS
237110
Solicitation №
22-12126

Contract value

$4,564,264

The solicitation listed a $4,000,000 budget, but the award entry for Knight Construction & Supply, Inc. shows a contract value of $4,564,264. Since no other adjustments or change orders are mentioned, the best estimate of the contract’s dollar value is the awarded amount of approximately $4.56 million. This figure reflects the full scope of foundation repair, concrete placement, and related civil‑engineering tasks required at the Tumwater Dam.

AI estimate from the award documents

Similar open opportunities

Matched by Bid Banana AI™

U.S. Department Of Defense·Virginia

Top match · 67%

JBMHH Stormwater Management Facility Maintenance and Repair Services

Closes 11/6/2026Opened 10/15/2026

City of San Diego·California

65% match

Murray Dam Near Term Repairs - Advertisement Notice Only (no bids)

Closes 12/1/2026Opened 10/6/2026

Virginia Polytechnic Institute and State University·Virginia

64% match

VT Duck Pond Water Quality Improvements – Pond Edge Restoration

Closes 11/10/2026Opened 10/6/2026

U.S. Department Of Defense·New Hampshire

64% match

Float Well Pipe Repairs, Surry Mountain Dam, Surry, NH

Closes 11/23/2026Opened 10/21/2026

Massachusetts Town of Bolton·Massachusetts

64% match

Earthen Dam Restoration at Bowers Spring Conservation Area

Closes 11/17/2026Opened 10/13/2026

Ohio Department of Natural Resources·Ohio

64% match

Lake Logan Dam Improvements

Closes 11/6/2026Opened 10/16/2026

Massachusetts Town of Hull·Massachusetts

64% match

Secondary Clarifiers, Grit & Building Upgrades

Closes 5/6/2027Opened 4/8/2026

Massachusetts Water Resources Authority·Massachusetts

64% match

MWRA Contract No. 7615B Armoring and Overtopping Protection Foss Reservoir Dam

Closes 12/2/2026Opened 10/21/2026

Greenville County·South Carolina

63% match

Huff Creek Watershed Reservoir Maintenance

Closes 11/20/2026Opened 10/30/2026

Department of Conservation and Recreation·Virginia

63% match

Underground Fuel Storage Tank Maintenance, Leesylvania State Park - Repost

Closes 11/2/2026Opened 10/22/2026

County of Dorchester, SC·South Carolina

63% match

Professional Maintenance and Asset Management of Water Storage Tanks

Closes 11/30/2026Opened 10/16/2026

Borough of Eatontown·New Jersey

63% match

Notice to Bidders - Revised - Wampum Lake Dam Rehabilitation - Bid Opening November 13, 2026

Closes 11/13/2026Opened 10/5/2026

State of Michigan – Department of Technology, Management and Budget (DTMB), State Facilities Administration, Design and Construction Division·Michigan

63% match

751/26612.MAA; Various Dams - Engineering Studies

Closes 12/3/2026Opened 10/22/2026

U.S. Department Of Defense·Kentucky

63% match

Fishtrap Lake Intake Structure and Dam Rehabilitation; W91237-26-R-A020

Closes 11/6/2026Opened 10/9/2026

U.S. Department Of Veterans Affairs·Washington

63% match

Water system Maintenance

Closes 11/6/2026Opened 10/30/2026

Gwinnett County Government·Georgia

63% match

Tribble Mill Dam No. 2 (Chandler Lake) Rehabilitation

Closes 12/9/2026Opened 10/21/2026

California Grants·California

63% match

Dam Safety and Climate Resilience Local Assistance

Rolling / TBD closeOpened 5/19/2026

U.S. Department Of Defense·United States of America

63% match

Arcadia Wet Well Rehabilitation

Closes 11/9/2026Opened 10/8/2026

U.S. Department Of Defense·Florida

62% match

Operation and Maintenance of Government-Owned Facilities and Equipment, Jim Woodruff Lock and Dam and Lake Seminole Project, Florida and Georgia

Closes 11/2/2026Opened 10/9/2026

City of Stillwater·Oklahoma

62% match

Stillwater Regional Water Treatment Plant Solid Contact Units Rehabilitation

Closes 11/11/2026Opened 10/10/2026

Unified Government of Wyandotte County/Kansas City, Kansas·Kansas

62% match

On-Call Wastewater, Stormwater, and Flood Management Facility Maintenance

Closes 11/4/2026Opened 9/10/2026

Gwinnett County Government·Georgia

62% match

Provision of Grounds Maintenance at Department of Water Resources Facilities on an Annual Contract

Closes 11/2/2026Opened 9/23/2026

Washougal, WA·Washington

62% match

Stormwater Filter Facility Maintenance

Closes 11/5/2026Opened 10/9/2026

City of Neptune Beach·Florida

62% match

Water Treatment Plant Ground Storage Reservoir Rehabilitation

Closes 11/9/2026Opened 10/2/2026

Ohio Department of Natural Resources·Ohio

62% match

Cowan Lake Dam Improvements

Closes 11/6/2026Opened 10/2/2026