Floating Dock Replacement at New Melones Lake

PRINCIPAL COMPONENTS OF WORK: New Melones Lake has 3 concrete boat launch ramps each with 2 floating docks. These docks are constructed primarily of aluminum. The legs on the docks fold under and break as they move up and down the grooved concrete ramps with the changing water levels. The bolted-on cleats also pull out of the deck and leave holes. These docks have been repaired numerous times and need replacement. The new docks shall be 8¿ X 40¿ consisting of two (2) 20¿ sections hinged with a transition plate to cover the hinge gap and wheels of sufficient size to allow the entire assembly to move up and down the launch ramps as the water level fluctuates. The surface of the decks shall be concrete with prestressed stainless-steel tendons or equivalent. Each 20¿ section should have a minimum of four (4) cleats for securing watercraft. Each 20¿ section should have at least two (2) handrails to assist boarding watercraft. Each dock should have a minimum 2¿ X 12¿ rub rail around perimeter to protect and cushion watercraft. Galvanized steel chain with fittings to attach to existing cable on launch ramps and deck hatches to allow for manual adjustment of anchor chain to chain pockets will be required. Each dock assembly will have a 20¿ gangplank with handrails and wheels that allow the complete dock assembly to move up and down the launch ramps as the water level fluctuates. Stamped California flotation calculations are required. Contractor shall provide all labor and materials to complete the project. Remove and properly dispose of the existing aluminum docks.

Division 35 -

Waterway and Marine Construction, Common Work Results for Waterway and Marine Construction, Waterway and Marine Construction and Equipment, Marine Construction and Equipment.