Specifications include, but are not limited to:Maintain and control fishpassage through the project site; maintain fish ladder access and water supply to adult holding pondsduring fish collection periods; dewatering work area as required; demolish the existing barrier dam,intake, fish ladder, and select mechanical and electrical components; drive sheet pile to isolate the workarea for construction of the new intake and fish ladder and construction of the weir; grade the riverchannel and install vertical grade control structures; construct an adjustable obermeyer weir across theriver; construct a new intake structure and fish ladder; construct a new Contractor designed mechanicalbuilding; install site piping; install mechanical and electrical components