Specifications include, but are not limited to: DELIVERABLES: . All structural aluminum to meet or exceed strength and durability of 6061-T6 mill finish. . All aluminum joints to be fully welded by certified welders. . All cable (if required) and bolt hardware to be stainless steel. . 2 - 20' x 8' Aluminum Floating docks . 1 - 20' x 8' Aluminum Kayak Launch . 2 - 10" Aluminum boat tie up cleats . 1 - 40'Gangway with ADA handrails and Stiff Arm (if required) are pin connection to dock and pin with bracket to connect to bulkhead on shore side. . Courtesy dock and kayak launch designed for approximately 16" to 18" freeboard. . 50 PSF minimum Live Load . Black Poly floatation . Aluminum Ribbed Decking . Black rubber perimeter bumper and composite fender boards. Design Loads: Vertical Design Loads . Aluminum deck and structural frame designed for a minimum of 50 PSF at any point on the deck surface. . Gangway designed for a minimum of 50 PSF live load at any point on the gangway surface. . Gangway handrails designed for a minimum of a 200lb load at any point and any direction. . Deck floatation designed for a minimum live load of thirty 30 PSF with a freeboard between 16" and 18". Horizontal Design Loads . Courtesy dock and kayak launch shall be designed to withstand a minimum wind load of seventy-five (75) mph sustained and a ninety (90) mph three (3) second gust. . Courtesy dock and kayak launch designed to withstand a minimum 1.25 time the kinetic energy of courtesy dock and kayak launch a vessel impact at a speed of 2 feet per second. Special Design Loads . Courtesy dock and kayak launch designed with no more than 3" variation in freeboard per 100LF of deck under any combination of load. . Courtesy dock and kayak launch designed to withstand vertical point load of 400lbs and maintaining freeboard and torsion requirements. . Courtesy dock and kayak launch shall be designed to withstand wave action caused from, at a minimum, wind of seventy-five (75) mph sustained and a ninety (90) mph three (3) second gust. Material and Construction-Substructure Aluminum . T061-T6 marine grade aluminum for framing and decking of the courtesy dock and kayak launch. . Ribbed decking for traction. Maximum spacing 3/8".