Repair Or Alteration Of Tunnels And Subsurface Structures

The Product Service Code (PSC) Z2LC covers repair or alteration of tunnels and subsurface structures, encompassing a wide range of infrastructure maintenance and rehabilitation projects. These services include repairing, replacing, and modifying underground infrastructure such as tunnels, sewers, culverts, wells, conduits, and other subsurface systems. The work typically involves complex civil engineering techniques including drilling, excavation, pipe replacement, and infrastructure restoration across various federal government facilities.

Federal Contract Awards under this PSC demonstrate significant diversity in project scope and value, ranging from small emergency repairs valued at $23,608 to large-scale infrastructure projects approaching $5 million. Frequent awarding agencies include the Department of Defense (Marine Corps, Navy, Air Force), Department of the Interior, Department of Agriculture, and Department of Energy. Contractors frequently include small businesses, tribally-owned firms, and service-disabled veteran-owned businesses. Most contracts are firm fixed-price delivery orders or purchase orders, with project locations spanning military bases, national forests, power installations, and federal facilities across multiple states. Set-asides are common, with many contracts designated for total small businesses or specific socioeconomic categories.

Recent federal contract opportunities in this PSC category focus on specialized infrastructure projects involving well destruction, sewer system repairs, and underground utility installations. The U.S. Army Corps of Engineers has solicited water well destruction services in California, while the Michigan Army National Guard seeks comprehensive sanitary sewer system repairs. The Department of State has also posted an opportunity for telecommunications infrastructure upgrades at an embassy compound. These opportunities consistently emphasize precise technical specifications, compliance with federal and state regulations, and requirements for specialized engineering expertise in underground infrastructure management.