Specifications include, but are not limited to: qualified professional engineering firms or consultants who have proven experience in overseeing the construction of precast pre-stressed concrete bridges and abutments, or equivalent. The Colville Confederated Tribes intends to award a firm, fixed price for construction stakeout, construction oversight, and inspection/certification once construction is complete and expertise necessary to perform all operations required for the successful completion of installation of five concrete bridges, their abutments, and all associated materials (e.g., abutments, wing walls, guardrails, dowels, hardware, etc.) to five sites in the Sanpoil River system, including, Iron Creek Sites #2 & #3, Louie Creek Sites #1 & #2, and Upper Gold Creek site #2 (see attached engineering plans for site location, directions to site, bridge, abutment, wingwall layout, and dimension drawings).