Environmental Chemical Corp., Burlingame, California, was awarded $60,294,968 for firm-fixed-price modification to an existing task order (N6247320F5226). This modification provides for increasing the maximum dollar value for the south airfield military construction project at Naval Air Weapons Station China Lake. After award of this modification, the total cumulative contract value will be $838,238,385. Work will be performed in China Lake, California, and is expected to be completed by May 2024. Fiscal 2020 military construction (Department of Defense) funds in the amount of $60,294,968 were obligated on this award, and will not expire at the end of the current fiscal year. The Naval Facilities Engineering Systems Command, Officer in Charge of Construction China Lake, China Lake, California, is the contracting activity (N62473-19-D-8025). (Awarded April 12, 2023)