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The U.S. Army Corps of Engineers, New England District is issuing this Sources Sought Announcement for Construction Services for the Gate Cylinder Repairs project at Black Rock Lake, in Thomaston, Connecticut. This announcement is to determine interest, availability and capability of 8(a), HUBZone, Service-Disabled Veteran-Owned, Women-Owned and Small Business concerns for this project. The NAICS code for this procurement is 237990. The project is planned to be issued in the Spring of 2023 with construction to take place in the summer & fall of 2023. The estimated construction cost is between $250,000.00 and $500,000.00.

There are two hydraulically operated gates located in the Intake Tower at Black Rock Lake Dam located in Thomaston, CT. The dam and its operating equipment are approximately 51 years old and therefore the gate cylinder and gate assembly components are beginning to show signs of wear. The work for this project will likely include, but not be limited to, the following:

• Clean and refurbish both hydraulic cylinders, gate leaf stems & stem extension rods.


• Replace packings, packing seats & packing glands


• Replace all gaskets & o-rings


• Replace middle piston ring with new HPU seal


• Provide new composite stop logs


• Replace digital gate height indicator system, including transducers, digital displays, and wiring/conduit

The Contractor will be required to coordinate operational restrictions with the Contracting Officer’s Representative and onsite personnel. Proper work sequencing will be critical for project success. Full dewatering of the conduits may be required to perform work. Contractor will need to field verify extent of dewatering requirements to obtain safe working conditions and to ensure that the space below the bonnet cover is not pressurized prior to any work beginning. Contractor shall then coordinate sufficient time ahead of required dewatering to allow for local personnel to draw down the existing pool elevation.

The tower has an existing 2-ton crane rail that will be available for Contractor’s use during the project. If contractor chooses to utilize the existing crane, the Contractor will be required to provide an annual inspection certificate and conduct operational testing in accordance with EM 385-1-1, Section 16,

prior to use.

Work shall be done on only one gate at a time and at no time shall more than one conduit be out of service. One conduit at a time can be isolated at the upstream end by use of a stop log system. The Contractor shall be responsible for verifying the condition of the stop log channels and providing stop logs to be used for this project. The Contractor shall submit a plan for utilizing stop log systems to ensure safe and reliable operation for dewatering the conduit for approval to the Contracting Officer prior to proceeding with work.

Interested firms should submit a capabilities package to include the following: business classification (i.e. HUBZone, small business, etc.), as well as qualifications and experience in performing the work components stated above. Please include at least two specific examples of the firm’s experience performing the work requirements stated above. The projects must have been performed within the last seven years. Please indicate the team subcontractor(s) (if any), including their prior experience and qualifications, which will be used to support the offeror’s effort and their experience must also have been performed within the last seven years. Proof of bonding capability is required. Responses are limited to twenty pages. Responses are due by December 9, 2022. Responses should be emailed to:

elizabeth.k.glasgow@usace.army.mil

The Government will not pay for any material provided in response to this market survey nor return the data provided. This notice is for information purposes only and is not a request to be placed on a solicitation mailing list nor is it a Request for Proposal (RFP) or an announcement of a solicitation. The results of this survey will be considered to be in effect for a period of one year from the date of this notice.

Government Agency URL: www.nae.usace.army.mil

Government Agency URL Description: New England District, Corps of Engineers

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