This is a Multiple Award Construction Contract (MACC) for work at Moron Air Base, Spain, with a 5-year base ordering period and one 5-year option. The minimum guaranteed amount per contract is $500, and the total estimated maximum value for all contracts combined is $400,000,000 over the potential 10-year period. Offerors must be registered in SAM and are required to be companies authorized to perform construction work under Spanish law. The contract emphasizes the use of Spanish materials, labor, and equipment whenever feasible. Specific projects will be issued as individual Task Orders under this master agreement.