This is a pre-solicitation notice for a firm-fixed-price contract to improve security and safety in Secure Area D100 at White Sands Missile Range, New Mexico. The work includes tasks such as vault egress door replacement, installing intrusion detection and room access systems, and adding a red warning light and awning. The contract duration is 214 days after notice to proceed, and the project is 100% set aside for Small Businesses. The estimated construction cost is between $25,000 and $100,000. Performance will occur at White Sands Missile Range in Dona Ana County, New Mexico.