tender for supply and delivery of upvc pipes of different dia., isi marked and different upvc fittings and extra solvent cement, isi marked under barasat (am) division , supply and delivery of 315 mm. dia upvc pipe class- i marking is no. 4985/2000 (with latest amendments) with loose matching coupler class-ii marking is no. 10124/2009 (with latest amendments) with free solvent cement is:14182/1994 with latest ammendment. , supply and delivery of 200 mm. dia upvc pipe class- i marking is no. 4985/2000 (with latest amendments) with loose matching coupler class-ii marking is no. 10124/2009 (with latest amendments) with free solvent cement is:14182/1994 with latest ammendment. , supply and delivery of 140 mm. dia upvc pipe class-ii marking is no. 4985/2000 (with latest amendments) with loose matching coupler class-ii marking is no. 10124/2009 (with latest amendments) with free solvent cement is:14182/1994 with latest ammendment. , supply and delivery of 160 mm dia f.t.p class-ii (is. no 10124/2009 part- 6 with latest amendment) , supply and delivery of 315 mm dia f.t.p class-ii (is. no. 10124/ 2009 part- 6 with latest amendment) , supply and delivery of 140 mm. dia 90° bend class-ii (is: 10124/2009 with latest amendments). , supply and delivery of 315 mm. dia 90° bend class-ii (is: 10124/2009 with latest amendments). , supply and delivery of 200 mm dia end cap, class-iii (is: 10124/ 2009 with latest amendment) , supply and delivery of 200 x 160 mm dia.p.v.c. reducer (class-ii) duly is-10124/2009 with free solvent cement. , supply and delivery of extra solvent cement i.s. 14182-1994 with latest amendments