Maintenance of WSS under SD IV WDIV DDW Borda Urgent Repairs to damaged Chambers and replacement of damaged sluice valves on conveying and delivery mains in Loutolim village of Nuvem Constituency

Manufacturing, Fabricating supplying and fixing in position over the main valve chamber near Toleband Loutolim. Two/three shutter M. Trapezoidal cover, manufactured out of 12mm thick M.S.plate ,size (3.20mx2.40mx3.00m),with bottom angles of size 75x75x10mm supporting parallel in the middle M.S. I beam of size 150x100 and 125x75 as per requirement & size of chamber with both side extended 20cm to 30cm to be fixed in the wall further supporting Diagonal angles and cross angles of size 60x60x8mm to both ways perfectly hinged with 8nos of bar hinges capable to withstand heavy vehicle impact 4 nos. of handles made out of 12mm to 16mmdia bar, bottom side locking arrangement for both main shutter as well a side shutter, and welded 4 nos. of holdfast of L.S. 75x75x10mm to 40cm-long 6nos of bar hinges of high strength double angles and hold fast should be embedded in reinforcement concrete of 1:2:4 or richer mix incl. Transportation, labour, Priming coat, painting etc. complete As per standard drawing.(12mm thick (3.20mx2.40mx3.00m, M.S Trapezoidal plate) , as directed by the Engineer in-charge.

Manufacturing, Fabricating supplying and fixing in position over the main valve chamber near Loutolim Church Cemetery. Two/three shutter M. S. cover, manufactured out of 12mm thick M.S.plate ,size (1.4mx1.9m),with bottom angles of size 75x75x10mm supporting parallel in the middle M.S. I beam of size 125x75 as per requirement & size of chamber with both side extended 20cm to 30cm to be fixed in the wall further supporting Diagonal angles and cross angles of size 60x60x8mm to both ways perfectly hinged with 8nos of bar hinges capable to withstand heavy vehicle impact 4 nos. of handles made out of 12mm to 16mmdia bar, bottom side locking arrangement for both main shutter as well a side shutter, and welded 4 nos. of holdfast of L.S. 75x75x10mm to 40cm-long 4nos of bar hinges of high strength double angles and hold fast should be embedded in reinforcement concrete of 1:2:4 or richer mix incl. Transportation, labour, Priming coat, painting etc. complete As per standard drawing.(12mm thick ,1.4m x 1.9m, M.S plate , as directed by the Engineer in-charge.

Manufacturing Fabricating supplying and fixing in position over the main valve chamber. Two/three shutter M. S. cover manufactured out of 10mm thick M.S.plate size (1.8mx1.8m)with bottom angles of size 75x75x8mm supporting parallel in the middle M.S. I beam of size 150x100 as per requirement & size of chamber with both side extended 20cm to 30cm to be fixed in the wall further supporting Diagonal angles and cross angles of size 75x75x8mm to both way perfectly hinged with 8nos of bar hinges capable to withstand heavy vehicle impact 4 nos. of handles made out of 12mm to 16mmdia bar bottom side locking arrangement for both main shutter as well a side shutter and welded 4 nos. of holdfast of L.S. 75x75x8mm to 40cm-long 4nos of bar hinges of high strength double angles and hold fast should be embedded in reinforcement concrete of 1:2:4 or richer mix incl. Transportation labour Priming coat painting etc. complete As per standard drawing.(10mm thick 1.8m x 1.8m M.S plate for surface cover for R.C.C chamber size 150x150x200cm) as directed by the Engineer in charge.

Construction of Reinforcement cement concrete chamber 90x90x150cm inside with 30 cms wall thickness in Cement Concrete 1:2:4 ( 1 cement : 2coarse sand:4 graded granitic or basaltic stone aggrt. 20mm. nominal size ) including centering /shuttering and TMT steel not less than 70kg/cu.m for sluice valves or equivalent main valves of suitable diameter with necessary excavation 15cms thick rubble packing and 10cms thick foundation concrete 1:3:6 ( 1 cement : 3 coarse sand: 6 graded granitic or basaltic stone aggrt. 40 mm nominal size) and inside plastered with cement mortar 1:3 ( 1 cement : 3 coarse sand) finished with floating coat of neat cement complete and as per standard drawing (rate is inclusive of earthwork excavationand all other materials and labour as per details above excluding cost of surface chamber cover) as directed by the Engineer in-charge.

Manufacturing Fabricating supplying and fixing in position over the main valve chamber. Two/three shutter M. S. cover manufactured out of 10mm thick M.S.plate size (1.2mx1.2m)with bottom angles of size 65x65x6mm supporting parallel in the middle M.S. I beam of size 125x75 as per requirement & size of chamber with both side extended 20cm to 30cm to be fixed in the wall further supporting Diagonal angles and cross angles of size 65x65x6mm to both way perfectly hinged with 8nos of bar hinges capable to withstand heavy vehicle impact 4 nos. of handles made out of 12mm to 16mmdia bar bottom side locking arrangement for both main shutter as well a side shutter and welded 4 nos. of holdfast of L.S. 65x65x6mm to 40cm-long 4nos of bar hinges of high strength double angles and hold fast should be embedded in reinforcement concrete of 1:2:4 or richer mix incl. Transportation labour Priming coat painting etc. complete As per standard drawing.(10mm thick 1.2m x 1.2m M.S plate surface cover for R.C.C chamber size 90cmx90cmx150cm) as directed by the Engineer in-charge.

Construction of masonry chamber 90x90x100 cm inside in 40kg/sq. cm brickwork complete with 23 cms wall thickness and in cement mortar 1:4( 1 cement : 4 coarse sand) for sluice valve of sizes 100 mm 120 mm 150 mm and 200mm dia with necessary excavation foundation concrete 1:5:10 ( 1 cement : 5 coarse sand: 10 graded stone ballast 40 mm nominal size) and inside plastered with CM 1:3 ( 1 cement : 3 coarse sand) finished with floating coat of neat cement complete and chamber cover as specified below etc. all complete as per standard drawing . (rate is inclusive of rate earthwork excavation cost of surface cover and all other materials and labour and as per details below);Without surface box and with 120 mm thick R.C.C. slab cover in cement concrete 1:2:4 ( 1 cement: 2 coarse sand : 4 graded stone ballast 20 mm nominal size)

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;150

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;200

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;250

Supplying cast iron fittings as per IS : 1538 -1993 including sealing rubber gasket (NR) CI Compression glands and coated MS Nuts bolts.;Flanged Socket Tail piece ( Flanged Adaptors);Nominal Dia in mm;150