The project involves replacing the existing 3-ton HVAC system at McAlpine Lock and Dam in Louisville, KY. Work includes removing the current heat pump, installing a new 3-ton system, adding a programmable thermostat, and running new control wiring, with the contractor supplying all labor, equipment, and materials. The estimated construction magnitude is between $25,000 and $100,000. This procurement is 100% set-aside for small businesses under NAICS 238220, which has a $19,000,000 size standard. Payment protection requires either a payment bond or an irrevocable letter of credit per the specified clauses.