Maintenance of water supply system under SDIV WDIV DDW Borda Margao Urgent replacement of damaged 300mm dia M S bend at Motiwaddo ward of Majorda village in Nuvem Constituency

Demolishing cement concrete 1:3:6 or richer mix including disposal of material within 50 m lead.

Welding in all position with minimum 3 Nos. of runs for MS pipes and specials and flanges internally and externally including gauging wherever necessary fixing appurtances and other accessories cost of water pumping arrangement and hydraulic testing etc. complete for 12mm/10mm thick M.S.plate.;Dia in mm;300

Supplying stacking at site and conveying hoisting, laying in position to correct line and level and linking joints of MS specials. fabricated from MS plate including cutting, bending, welding, procurement of plates, gas cutting to required size, rolling, tack welding, assembling in suitable length to form special, welding on automatic machine and forming V edge on both ends of special as required, hydraulic pressure test at factory to the required test pressure conforming to IS : 3589-1991 including freight etc. complete I. With 10 mm -12 mm thick plate Tees, bends, reducers,

Manufacturing and supplying at the site of work ER welded MS pipes including procurement of plates gas cutting to required size rolling tack welding assembling in suitable length to form pipe welding on automatic machine and forming v edge on both ends of pipes including hydraulic pressure test conforming to IS : 3589- 2001 grade Fe 410 in double random length of 10 to 12.2 metres in bevelled ends including freight loading & unloading mechanical crane & stacking at site etc. complete.;Size in ( OD ) in MM for 10mm thickness;323.9

Supplying at store or site of work including railway freight carting loading unloading stacking etc. cast iron Air valve kinetic double orifice type as per fig DK without isolating valve generally confirming to IS1 4845/2000 (with latest ammendments).Low pressure large orifice chamber with vulcanite coated timber ball resting on moulded rubber seating and chamber having C.I. cowl protection High pressure chamber shall have rubber coated timber ball as floathaving Float guides ;and LTB or SS orifice nipple.All nuts /bolts shall be of carbon steel of SS. The flange shall be drilled and faced as per IS1538(part 4 and 6) . TYPE P.N. 1.6 (Class A);50

Supplying at store or site of work including freight transit insurance carting loading unloadingstackingetc. Ductile Iron double flanged manually operated Sluice valve generally confirming to IS 14846-2000 non rising spindle type (soft seated) resilient seated with Body Bonnet of Ductile Iron of grade GGG40 or SG 400/12 400/15 500/7 or equivalent grade as per IS 3896 part 2-1985 and subsequent revisions Wedge fully rubber lined with food grade EPDM( WRAS approved) and seals of NBR spindle stem SS/AISI 410 and having glandless operation. The valve should be vacuum tight 100% leak proof with face to face dimensions as per IS14846-2000 or BS 5163-89 or DIN 3202-F4. The valves shuld be coated with electrostatic Powder/ Epoxy Coating on both inside and outsideminimum 250 microns thickness of blue color RAL5017/5005 suitable for drinking water and shall have pocket less body passage. The flanges shall be Drilled as per IS: 1538 with latest amendments. The valve shall be supplied with Hand Wheel for operation (by-pass and gear arrangements for sizes above 400mm dia) and relevant Test & Guarantee certificates. TYPE P.N. 1.0 (Class A);Nominal Diameter in mm;50

Supplying at store or site of work including freight transit insurance carting loading unloadingstackingetc. Ductile Iron double flanged manually operated Sluice valve generally confirming to IS 14846-2000 non rising spindle type (soft seated) resilient seated with Body Bonnet of Ductile Iron of grade GGG40 or SG 400/12 400/15 500/7 or equivalent grade as per IS 3896 part 2-1985 and subsequent revisions Wedge fully rubber lined with food grade EPDM( WRAS approved) and seals of NBR spindle stem SS/AISI 410 and having glandless operation. The valve should be vacuum tight 100% leak proof with face to face dimensions as per IS14846-2000 or BS 5163-89 or DIN 3202-F4. The valves shuld be coated with electrostatic Powder/ Epoxy Coating on both inside and outsideminimum 250 microns thickness of blue color RAL5017/5005 suitable for drinking water and shall have pocket less body passage. The flanges shall be Drilled as per IS: 1538 with latest amendments. The valve shall be supplied with Hand Wheel for operation (by-pass and gear arrangements for sizes above 400mm dia) and relevant Test & Guarantee certificates. TYPE P.N. 1.0 (Class A);Nominal Diameter in mm;80

Providing and laying in position (1:11/2:3) Reinforced cement conrete excluding the cost of centering shuttering finishing and reinfrocement (1 cement: 1½ coarse sand:3 graded stone agg 20mm nominal size);All works upto plinth level

Providing Mild steel reinforcement bars of (SAIL TATA. VIZAG JSW Steel Ltd.) )(Confirming to IS 1786 of 1986) for RCC work including bending binding & placing in position in all the floors along with the factory made precast concrete cover blocks of specified sizes whose compressive strength is not less than that of surrounding concrete in the structural member.

Supplying cast iron fittings as per IS : 1538 -1993 including sealing rubber gasket (NR) CI Compression glands and coated MS Nuts bolts.;Mechanical Compression Collar Coupling;Nominal Dia in mm;300