Concrete Repairs of Blackwater Dam in Webster, New Hampshire Tender, USA - 106555474

Procurement Summary

Country : USA

Summary : Concrete Repairs of Blackwater Dam in Webster, New Hampshire

Deadline : 30 Sep 2024

Other Information

Notice Type : Tender

TOT Ref.No.: 106555474

Document Ref. No. : W912WJ24B0020

Competition : ICB

Financier : Self Financed

Purchaser Ownership : Public

Tender Value : Refer Document

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Tender Details

Description

The U.S. Army Corps of Engineers, New England District is issuing a set aside for certified small business contractors for Concrete Repairs project at Blackwater Dam in Webster, NH. The NAICS code for the work described below is 237990. The project is planned to be issued in December 2024 and will be set aside for Small Businesses. The period of performance will be approximately 180 days. The estimated magnitude of this project is between $500, 000-$1, 000, 000.

Blackwater Dam is located in the Town of Webster, New Hampshire, on the Blackwater River, 10 miles upstream of the confluence of the Blackwater River and Contoocook River. It is located in central New Hampshire, about 15 miles north of the Town of Penacook, New Hampshire. The dam consists of a rolled earth fill embankment and concrete non-overflow section, outlet works and an uncontrolled concrete ogee weir spillway. Construction of the project began in the spring of 1940 and was completed in November 1941.

Fiber Reinforced Plastic (FRP) liner was placed in 1964 which provided lining for the conduits, conduit entrance nosings and discharge apron with a fiberglass cloth and epoxy resin. This lining was installed to provide a smooth surface in the conduits and to prevent further erosion and spalling of the concrete. Over the years, concrete along with the liners at the inlet nosing have exhibited extensive spalls requiring repairs.

Scope of the repairs for Blackwater Dam includes:

Inlet nosing at conduit entrances: Remove deteriorated FRP liner, remove existing concrete to sound concrete (4” deep), install rebar anchors and welded wire fabric reinforcing, and apply polymer modified concrete thick patch (4 nosing total). Work in the conduit inlet nosing area will require a phased temporary flow diversion structure to direct stream flow to a single open conduit while working on two that are kept dry during the low flow construction window. At the non-overflow sections of the dam, wo...
Active Contract Opportunity
Notice ID : W912WJ24B0020
Related Notice
Department/Ind. Agency : DEPT OF DEFENSE
Sub-tier : DEPT OF THE ARMY
Major Command : USACE
Sub Command : NAD
Office: W2SD ENDIST NEW ENGLAND
General Information
Contract Opportunity Type: Presolicitation (Original)
All Dates/Times are: (UTC-04:00) EASTERN STANDARD TIME, NEW YORK, USA
Original Published Date: Aug 30, 2024 08:24 am EDT
Original Response Date: Sep 30, 2024 01:00 pm EDT
Inactive Policy: 15 days after response date
Original Inactive Date: Oct 15, 2024
Initiative: None

Classification
Original Set Aside: Total Small Business Set-Aside (FAR 19.5)
Product Service Code: Y1QA - CONSTRUCTION OF RESTORATION OF REAL PROPERTY (PUBLIC OR PRIVATE)
NAICS Code: 237990 - Other Heavy and Civil Engineering Construction

Place of Performance: Webster, NH USA

Documents

 Tender Notice