Concrete Crack Injection and Sealant Application
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The contract entails the injection of epoxy or hydrophobic polyurethane into cracks within tunnel linings to halt water infiltration and mitigate structural degradation, ensuring long-term integrity and safety of transportation infrastructure. This work falls under a small business set-aside, specifically designated for total small business participation as defined by the SBA and FAR 19.5, and is classified under NAICS code 238990 for other specialized construction activities. The solicitation was posted on July 6, 2026, with a response deadline of August 6, 2026, at 6:00 PM, and is structured as a subcontract opportunity under the Department of Transportation’s 693C73 Eastern Federal Lands Division. The performance location is not precisely defined beyond the broader scope of federal lands under DOT jurisdiction, and the work is critical to maintaining the durability of underground transit systems subject to hydraulic and environmental stress.
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NC, USASet-Aside
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