The attached document provides submission instructions for proposals responding to solicitation number 80GRC023CA001 from the National Aeronautics and Space Administration Glenn Research Center. The solicitation seeks proposals for construction management, inspection, surveying, and testing services. Proposals are due by April 15th, 2023 and must be submitted electronically through the Federal Business Opportunities website. The period of performance for the awarded contract is one base year with four optional one-year extensions. Small businesses are encouraged to compete for the total set-aside amount of $10 million. The services required include construction project management, inspection of construction activities, land surveying, material testing, and related professional services in support of ongoing construction projects at NASA research facilities.