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  5. ›Improvements to Griffith Lake Dam

State of Delaware NAT·Delaware

Improvements to Griffith Lake Dam

Closes 1/21/2026$5M – $20MInvitation for Bid
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Description

The State of Delaware, Department of Natural Resources and Environmental Control, is seeking bids for the construction of improvements to Griffith Lake Dam. The project involves demolition and removal of the existing spillway and abutment training walls, construction of a new pile-supported cast-in-place concrete spillway, and installation of a galvanized steel bar screen trash rack and a multi-leaf self-contained stainless steel weir gate. The project must be completed within 520 calendar days of the Notice to Proceed. • The project is located in Kent and Sussex Counties. • A mandatory pre-bid meeting will be held on December 4, 2026. • Questions regarding the project must be submitted by December 15, 2025. • Bidders must provide a bid security equivalent to ten percent of the bid amount. • The successful bidder must post a performance bond and payment bond in a sum equal to 100 percent of the contract price upon execution of the contract.

Attached files

Contact

Janice L. Shute(P.E.)

[email protected]

Key dates

Opened
11/10/2025
Questions due
12/15/2025
Pre-bid meeting
12/4/2026Mandatory
Closes
1/21/2026
Duration
520 days

Last updated

Details

Type
Invitation for Bid
Industry
Civil Engineering
NAICS
237990
Solicitation №
NAT24001-DAMCONST

Budget estimate

$5,000,000 – $20,000,000

The budget for this opportunity is difficult to estimate without more information about the project's scope and requirements. However, based on the fact that the project involves the construction of improvements to a dam, including demolition and new construction work, it is likely that the budget will be in the millions of dollars. The cost of materials, labor, and equipment will likely be significant, and the contractor will need to factor in the cost of bidding, planning, and executing the project. The budget may be influenced by factors such as the complexity of the project, the materials and equipment required, and the labor costs. A rough estimate for the budget could be between $5 million and $20 million.

AI estimate from the solicitation

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