Specifications include, but are not limited to: City of Columbia seeks bids from qualified vendors to provide testing and repairs as needed for high pressure safety valves, steam and feed water isolation & control valves for Columbia Power Plant and the Columbia Energy Center. High Pressure Safety Valves: Boiler Seven: Welded 2 Yz" Consolidated #l727WC Set pressure 920 psi Welded 2 %" Consolidated#l737WA Set pressure 1010 psi Welded 3" Consolidated #l757WA Set pressure 1020 psi Boiler Eight: Flanged 3" Dresser #175710a-l-l0l-S Set pressure 1080 psi Flanged 2 Yz" Dresser #l737WC-l-l0l-S Set pressure 1050 psi Welded Dresser #l73WC-l-S Set pressure 960 psi Flanged Dresser #I910KT-L Set pressure 450 psi Columbia Energy Center: . Jamesbury EVR Valves . Fisher 3" for Turbine Compartment Sealing Air . Fisher 4" for Inlet Air-Heating . Fisher 3" with MOOG. Gas control valves three (3) each unit 'High Pressure Relief Valves . Hydroseal, Anderson Greenwood Crosby, Flow safe, Kingston, Atlas Copco