Scope Upgrade of the existing single draft tube gate and handling arrangement at a Hydro power station to improve several business, PUWER and working at height related risks. The design included two draft tube gates deployed via overhead gantries and incorporated sealing mechanisms and equalizing valves that were self-actuated during raising and lowering operations of the gates.
Standards BS2573-1:1983 Rules for Design of Cranes - BS5950-1:2000 Structural use of Steelwork in Building – BS EN 1993-1-Eurocode 3
