United States, Sept. 18 -- HDR Environmental, Operations, & Construction Inc., Englewood, Colorado, is awarded an indefinite-delivery/indefinite-quantity contract with a maximum amount of $75,000,000 for the contract marine and biological resources monitoring and program management services at various locations worldwide. This contract includes options which, if exercised, would extend the period of performance to September 2030. Fiscal 2025 Navy operation and maintenance funds in the amount of $5,000 for the minimum guarantee are obligated on this award and will expire at the end of the current fiscal year. This contract was competed on an unrestricted basis on www.sam.gov with one proposal received. The Naval Facilities Engineering Comman...