
STANDARD TECHNICAL SPECIFICATION FOR RETROFIT OF .
Standard Technical Specification for Retrofit of Wet Limestone Based Flue Gas Desulphurisation (FGD) System in a Typical 2x500 MW Thermal Power Plant Section 2 (General) 25 vii) Manually operated valves shall be operable by a single man capable of exerting 35 kg force (max) at the valve.