renovation of major rli on turnkey basis i.e. by supplying of materials, laying of wta at diar-gangarampur-i state owned major rli scheme within kaliachak-ii block under malda-ii ( a-m ) sub division under malda-i ( a-m ) division under core sector 2023-24 programme-upvc and p.v.c. pipes & accessories :- 2 supply and delivery of 315 mm dia p.v.c pipeclass-i ( with a loose matching coupler ) marking is no. 4985 / 1988 with latest amendments with free solvent cement. 3 supply and delivery of 200 mm. dia p.v.c. pipe class- i ( with a loose matching coupler ) marking is no. 4985 / 1988 with latest amendments with free solvent cement. 4 supply and delivery of 140 mm. dia p.v.c. pipe class- i ( with matching coupler ) marking is no. 4985 / 1988 with latest amendments with free solvent cement. 5 supply and delivery of 160 mm. dia p.v.c. pipe class-ii ( with a loose matching coupler ) marking is no. 4985 / 1988 with latest amendments with free solvent cement. 6 supply and delivery of 200x200x200 mm dia p.v.c. equal teewith free solvent cement. 7 supply and delivery of 140x140x140 mm dia p.v.c. equal tee with free solvent cement. 8 supply and delivery of 315 mm dia ( is.no. 10124 / 88 part- 8 with latest amendment ) pvcf.t.p. 9 supply and delivery of 200 mm dia ( is. no. 10124 / 88 part- 6 with latest amendment ) pvc f.t.p. 10 supply and delivery of 160 mm dia ( is. no 10124 / 88 part- 6 with latest amendment ) pvc f.t.p. 11 supply and delivery of 200 x 140 mmdia.p.v.c. reducer ( class-ii ) with free solvent cement. 12 supply and delivery of 160 x 140 mmdia.p.v.c. reducer ( class-ii ) with free solvent cement. 13 supply and delivery of 200 mm dia 600 ( is. no. 10124 / 88 part- 8 with latest amendment ) p.v.c. bend 14 supply and delivery of 140 mm dia 900 ( is. no. 10124 / 88 part- 8 with latest amendment ) p.v.c. bend 15 supply and delivery of 140 mm dia 600 ( is no. 10124 / 88 part- 8 with latestamendment ) p.v.c. bend 16 supply and delivery of 200 mm dia ( is. no. 10124 / 88 part- 4 with latestamendment ) p.v.c. end cap. 17 supply and delivery of 140 mm. dia ( is. no. 10124 / 88 part- 4 with latestamendment ) p.v.c. end cap. 18 supply and delivery of extra coupler for 315 mm. dia p.v.c. pipe ( extra ) ( is. 10124 / 1988 with latest amendments ) with free solvent cement. 19 supply and delivery of extra coupler for 200 mm. dia p.v.c. pipe ( extra ) ( i.s. 10124 / 1988, part- ii ) with free solvent cement. 20 supply and delivery of extra coupler for 140 mm dia p.v.c. pipe ( extra ) ( i.s 10124 / 1988, part- ii ) with free solvent cement. 21 supply and delivery of extra coupler for 160 mm dia p.v.c. pipe ( extra ) ( i.s 10124 / 1988, part- ii ) with free solvent cement. 22 supply and delivery of 150 mm diaisi marked p.v.c. flexible hose pipeas per is 15265 23 supply and delivery of extra solvent cement i.s.14182-1994 with latest amendments 24 m.s / g.i. accessories :- 25 g.i quadrupped set with inlet & outlet pipe fittings ( 2 nos. chamber for 1 set ) 26 150 mm. dia i.s.i. mark and specification pn- 1.6 , c.i sluice valve is:14846 27 150 mm dia ci foot valve heavy duty, flange type w / t. 28 kg +5% is:4038 / 1986 with latest amendment isi marked. 28 150 mm dia ci alfa-alfa valve as per specification ( is ) 29 g.i 150 mm dia 90º m.s bend ( with priming arrangement ) isi mark 30 g.i 150 mm dia 90º m.s bend both end flanged as per is specification 31 g.i 150 mm diae.r.w. pipe with flange 32 150 mm dia m.s. hose clamp, 2mm thickness, 30mm width, heavy duty, fitted with bolts & nuts 33 foundation bolt ( g.i ) for distrubution chamber, manufactured from 20 mm n.diameter m.s. rod as per is-2062 / 1992. total length of the bolt is 375±10 mm having welded head 80±10 mm in length & 20 mm in diameter with nut & 2 nos washer. the average weight of such bolts to be 1.1 kg per bolt with tolerance in weight of each bolt @ ±10%. 34 hexagonal head bolts & nuts ( g.i ) bearing is –1363 ( part-i ) / 1992 with latest revision and amendments for bolts & is-1363 ( part-iii ) / 1992 of product grade-c with latest revision and amendmentsfor nutsproperties / class for bolt-4.6 & for nut-4.5. both bolts & nuts are duly isi certification marked.m 20x80 mm. nuts & bolts ( g.i ) 35 m 20x100 mm. nuts & bolts ( g.i ) 36 m.16x65 mm nuts & bolts ( g.i ) 37 m 16x80 mm nuts & bolts ( g.i ) 38 m 16x 50 mm nuts & bolts ( g.i ) 39 150mm dia. foot valve lather washer 40 500 mm dia compressed asbestos fibre jointing for m.s. water distribution unit ( for raised surface of flange as per is-6392 / 1971, table-5 with latest revision and amendments ) made from 5 mm thick red jointing sheet as per is-2712 / 1998 , grade-w / 3. 41 rubber insertion ( for raised surface of flange as per is-6392 ) should have fabric insertion in two piece, the thickness will be 3 mm, & will have a minimum bearing load of 120 n / sq. cm as per is 638 / 1979 & 1969 / 1968 with latest revision and amendments of following dimensionsrubber insertion 5mm thick with proper reinforcement 2 ply conforming to i.s.638 / 79with isi mark with latest amendment . 42 300 mm dia ( table-11 ) 43 300 mm dia ( table-5 ) 44 200mm.dia ( table-11 ) 45 200mm.dia ( table-5 ) 46 150mm.dia ( table -17 ) 47 150mm.dia ( table -5 ) 48 80 mm.dia ( table-17 ) 49 supply and delivery of 150 mm dia ci tail piece with flange adopter one side groved and flanged and other and flanged over all length ( 175+15 ) mm with 7 new groves. 50 supply and delivery of ci non return valve flanged ends & swing type with side by-pass arrangement conforming to is 5312 ( part-1 / 2004 with latest ammendments 51 add gst @ 18%