Fabrication of MS Sludge line of Flocculation tank and Inclined Plate Settler at 6 MGD Surface Water Treatment Plant at Gondalpara under Chandernagore Municipal Corporation

Rubber gasket joints to CI/Di/ pipes & specials all complete to make the joints water tight at required hydraulic as per specification & direction of the EIC a) 100 mm dia

200 mm dia

M.S Flange(Slipper Type) As per IS-6392 Table 17. Thickness 12mmva) 100 mm dia

200 mm dia

Flange joint to CI/DI/MS pipes and specials including supply of rubber gasket, nuts,bolts,washers etc. Of best quality to make the joint watering at required hydraulic pressure all complete as per specification % direction of the EIC a) 100mm dia

200 mm dia

Lowering, fitting,and fixing of all types of valves in proper position and alignment using chain pulley block or crane(For dia. Above 250 mm) by providing temporary support, as required gaskets nuts & bolts etc. All complete as per specification and direction of EIC Ref: P-18 Item No: 2.4.1 UD & MA 100 mm dia

200 mm dia

Double flanged double eccentric design manually operated cast iron butterfly valve having body disc, and end cover in graded cast iron to IS :210, synthetic rubber face ring secured on disc by a SS/AISI 304 retaining ring with stainless steel screws the rubbering sitting on a corresponding integral monel 60 seat in body stub shaft of AISI 431 riding in TEFLON lined bearing, valves suitable for maximum working pressure of 10/16 kg/cm² and body tested 15/24 kg/cm². Flanges drilled to I.S 1538 TABLE 4 & 6. 200 mm dia Ref: P-49 Item No: 8.10 UD & MA

Ductile iron double flanged manually operated sluice valve generally conforming to IS : 14846, having body, door, dome, gland in graded ductileiron to IS 1865, four faces and spindle nut of gun metal to IS : 318, inside screw non- rising stainless steel AISI-410 spindle valvessuitable for maximum working pressure of 10/16 kg/cm² and body tested 15/24 kg/cm². Flanges drilled to IS: 1538 table 4 & 6. Valves tested by closed end method only. 350mm and above valves are complete with enclosed gear box with anti friction device 100 mm dia Ref: P-48 Item No: 8.8 UD & MA

Gas cutting of MS pipes and/or plates of different thickness all complete as per specification and direction of the EIC 8mm thick plate Ref: P-12 Item No: 2.3.1 UD & MA

Field welding of MS plates by means of electric arc welding as per relevant I.S specification using standard electrodes including edge preparation and charges of deployment and electric generation set with fuel, lubricant and all other tools and plants as complete as per specification and direction of the EIC ( The EIC shall approve the electrodes for arc welding before use) 8mm thick plate Ref: P-13 Item No: 2.3.3 UD & MA

Coating of EPOXY resin of thickness not less than 160 micron with a low viscosity, crystalization-resistant epoxy resin base with a reactive diluents combined with high build epoxy..........................................concrete and wood surface to protect from corrosion as well as damage from chemical reaction after making the surface free from dust,oil and moisture etc. all complete as per instruction and to the satisfaction of EIC [ This item will be operated on prior permission from the concerned SE/Dy Chief Engineer] Ref: P-28 Item No: 7.7 UD & MA

Supply of E.R.W.M.S( Electrical Resistant Welded M.S) black pipe of ISI mark as per relevant IS specification(heavy qality) having wall thickness not less than 8mm[N.B:The rates for supply of TATA make pipe will be arrived at by adding 20% of the corresponding rates] a) 100 mm dia

200 mm dia

Add 18% SGST

Add 1% cess

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