Core Tech-HDCC-Kajima LLC, Tamuning, Guam, is awarded a firm-fixed-price task order (N6274221F9934) at $13,948,948 under a multiple award construction contract for the construction of a reinforced concrete blast structure over an existing fuel manifold at Joint Region Marianas. Work will be performed in Marianas, Guam, and is expected to be completed by September 2023. The work to be performed provides for the demolition and removal of the current intermediate subterranean valve vault that houses existing petroleum oil lubricant pipelines and the construction of a new hardened concrete building structure and hose connection vault at the Tiyan Junction Valve Vault facility. Fiscal 2017 military construction (Navy) contract funds in the amount of $13,948,948 are obligated on this award and expires at the end of the current fiscal year. Three proposals were received for this task order. The Naval Facilities Engineering Systems Command, Pacific, Joint Base Pearl Harbor-Hickam, Hawaii, is the contracting activity (N62742-19-D-1330).