The PSC code Y1LC covers the construction of tunnels and subsurface structures, encompassing a range of underground construction activities including excavation, lining, and reinforcement of tunnels, shafts, and other subterranean facilities. This category includes work related to transportation tunnels, utility corridors, underground storage, and other subsurface infrastructure projects essential for various government missions. Government agencies use this PSC to acquire specialized construction services that require expertise in geotechnical engineering, structural support, and underground construction techniques. These projects often involve complex safety and engineering standards due to the challenging nature of subsurface environments and critical infrastructure requirements.

Typical Buyers & Agencies for PSC Y1LC

Federal agencies such as the Department of Transportation, Department of Defense, the Army Corps of Engineers, and the Department of Energy commonly procure services under PSC Y1LC. These agencies require specialized tunnel and subsurface construction for infrastructure projects like subway systems, military facility access, underground utilities, and secure storage facilities. Additionally, agencies involved in research laboratories or nuclear waste management may contract these services to support secure and robust subsurface environments.

Common Contract Types for PSC Y1LC

Contracts awarded under this PSC typically include firm-fixed-price, cost-reimbursement, and time-and-materials contracts depending on project complexity and risk allocation. Procurement methods may involve competitive bidding, negotiated contracts, or task orders under indefinite delivery vehicles. These contracts often require detailed project management, engineering oversight, and compliance with stringent safety and environmental regulations, making them suited for experienced contractors with specialized capabilities in underground construction.

Plain-Language Breakdown for PSC Y1LC

Covers specialized underground construction including tunnels, shafts, and subsurface infrastructure.
Typical buyers include DOT, Army Corps of Engineers, DOD, and DOE for infrastructure and defense projects.
Contracts vary from firm-fixed-price to cost-reimbursement depending on project complexity.
Requires expertise in geotechnical engineering, excavation, structural support, and safety compliance.
Often paired with NAICS 237310 and 237990 for heavy civil and infrastructure construction.
Projects support transportation, utilities, secure storage, and military facility needs.

Related Categories for PSC Y1LC

Other categories at the same level as Y1LC

Y1NA CONSTRUCTION OF FUEL SUPPLY FACILITIES

View details for CONSTRUCTION OF FUEL SUPPLY FACILITIES

Y1NB CONSTRUCTION OF HEATING AND COOLING PLANTS

View details for CONSTRUCTION OF HEATING AND COOLING PLANTS

Y1NC CONSTRUCTION OF POLLUTION ABATEMENT AND CONTROL FACILITIES

View details for CONSTRUCTION OF POLLUTION ABATEMENT AND CONTROL FACILITIES

Y1ND CONSTRUCTION OF SEWAGE AND WASTE FACILITIES

View details for CONSTRUCTION OF SEWAGE AND WASTE FACILITIES

Y1NE CONSTRUCTION OF WATER SUPPLY FACILITIES

View details for CONSTRUCTION OF WATER SUPPLY FACILITIES

Y1NZ CONSTRUCTION OF OTHER UTILITIES

View details for CONSTRUCTION OF OTHER UTILITIES

Y1PA CONSTRUCTION OF RECREATION FACILITIES (NON-BUILDING)

View details for CONSTRUCTION OF RECREATION FACILITIES (NON-BUILDING)

Y1PB CONSTRUCTION OF EXHIBIT DESIGN (NON-BUILDING)

View details for CONSTRUCTION OF EXHIBIT DESIGN (NON-BUILDING)

Y1PC CONSTRUCTION OF UNIMPROVED REAL PROPERTY (LAND)

View details for CONSTRUCTION OF UNIMPROVED REAL PROPERTY (LAND)

Y1PD CONSTRUCTION OF WASTE TREATMENT AND STORAGE FACILITIES

View details for CONSTRUCTION OF WASTE TREATMENT AND STORAGE FACILITIES

Y1PZ CONSTRUCTION OF OTHER NON-BUILDING FACILITIES

View details for CONSTRUCTION OF OTHER NON-BUILDING FACILITIES

Y1QA CONSTRUCTION OF RESTORATION OF REAL PROPERTY (PUBLIC OR PRIVATE)

Includes: ALL ACTIONS NECESSARY TO RESTORE, REHABILITATE, OR RECLAIM PROPERTY

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