niq no. 01/23-24/core jal(ai)div_group-2 niq no. 01/23-24/core jal(ai)div_group-2 supply and delivery of upvc and pvc pipes and accessories for redrilling and rejuvenation of defunct tekatuli hdtw site at maynaguri block of jalpaiguri district under core sector 2019 20 programme , upvc and p.v.c. pipes and accessories 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. , 140 mm. dia p.v.c. pipe class- i ( with matching coupler ) marking is no. 4985/1988 with latest amendments with free solvent cement. , 140 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. , 200x200x200 mm dia p.v.c. equal teewith free solvent cement. , 140x140x140 mm dia p.v.c. equal tee with free solvent cement. , 200 mm.. dia ( is. no. 10124/ 88 part- 6 with latest amendment) f.t.p. , 140 mm. dia ( is. no 10124/88 part- 6 with latest amendment) f.t.p.. , 200 x 140 mmdia.p.v.c. reducer (class-ii) with free solvent cement. , 200 mm. dia 600 ( is. no. 10124/88 part- 8 with latest amendment )bend , 140 mm. dia 900(is. no. 10124/ 88 part- 8 with latest amendment) bend , 140 mm. dia 600( is no. 10124/ 88 part- 8 with latestamendment ) bend , 200 mm. dia is. no. 10124/ 88 part- 4 with latestamendment end cap. , extra coupler for 200 mm. dia p.v.c. pipe ( extra) i.s. 10124/1988, part- ii with free solvent cement. , extra coupler for 140- mm. dia p.v.c. pipe (extra) i.s 10124/ 1988, part- iiwith free solvent cement. , extra solvent cement i.s.14182-1994 with latest amendments