Quotation for preparation of Estimate

Amount

Item No. 1 - Providing, Supplying, Erecting & Commissioning of Surge Protection System comprising of Bladder Vessel with minimum Volume of 15 m3, Pressure rating minimum 06 Bar with shell - SA 516 Gr. 70, Elliptic Cap - SA 516 Gr.70, Coating inside & Outside - Thickness 110 micron along with sand blasting SA 2.5 with Butyl Bladder in vertical position. Vessel Connecting Pipe Size 100 mm diameter, M.S. 400 mm Isolation Valve (Confirming to DIN 3202 F4/IS 14846/EN 558:2008), Pre charge Pressure of 02 mt, Load cell arrangement, necessary piping, Flanges, Fasteners, Civil work etc. complete including all lead & lifts. (Location of Bladder Vessel as per Surge analysis report)

Item No. 2 - Providing, Supplying, Erecting & Commissioning of 3 - Stage Surge Suppression Air Valve on Delivery Pipe (Confirming to AWWA C 512) of Diameter 80 mm Pressure rating minimum 06 Bar with all cutting, welding of pipe for Tee (T) connection, Isolation Valve (Butterfly valve-Confirming to (IS 13095:1991) - 80 mm Diameter for maintenance purpose and necessary accessories as per the site requirement. Valve should have a simple and robust construction offering high reliability and free operation with high intake capacity. It should be Non Slam Surge Suppression high flow Combination 3 - Stage air valve, including all lead & lifts. (Location of Valves as per Surge analysis report)

Item No. 3 :- Providing, Supplying, Erecting & Commissioning of 3-Stage Surge Suppression Air Valve on Rising Main (Confirming to AWWA C 512) of Diameter 100 mm Pressure rating minimum 06 Bar on rising main with all cutting, welding of pipe for Tee (T) connection, Isolation Valve (Butterfly valve-Confirming to (IS 13095:1991) - 100 mm Diameter for maintenance purpose and necessary accessories as per the site requirement. Valve should have a simple and robust construction offering high reliability and free operation with high intake capacity. It should be Non Slam Surge Suppression high flow Combination 3-Stage air valve, including all lead & lifts. (Location of Valves as per Surge analysis report)

Item No. 4 :- Providing, Supplying, Erecting & Commissioning of 3-Stage Surge Suppression Air Valve on Rising Main (Confirming to AWWA C 512) of Diameter 150 mm Pressure rating minimum 06 Bar on rising main with all cutting, welding of pipe for Tee (T) connection, Isolation Valve (Butterfly valve-Confirming to (IS 13095:1991) - 150 mm Diameter for maintenance purpose and necessary accessories as per the site requirement. Valve should have a simple and robust construction offering high reliability and free operation with high intake capacity. It should be Non Slam Surge Suppression high flow Combination 3-Stage air valve, including all lead & lifts. (Location of Valves as per Surge analysis report)

G V HYDROTECH ENGINEERS & CONTRACTORS

FLOWMORE LIMITED