supply of upvc pipes & fittingsfor different rli schemes under champadanga(a-m)sub-division under chinsurah (a-m) division under non-plan programme , supply of 200 mm dia p.v.c. pipe(cl-i) with coupler (class-ii)as per is 4985:2000 with latest amendments , supply of 140 mm dia p.v.c. pipe(cl-i) with coupler (class-ii)as per is 4985:2000 with latest amendments , supply of 200 x 60º p.v.c. bend s per is-10124/2009 and shall be duly marked with standard isi certification marks & class class-ii (0.40 mpa) , supply of 200 x 90º p.v.c. bend s per is-10124/2009 and shall be duly marked with standard isi certification marks & class class-ii (0.40 mpa) , supply of 200 mm x200 mm x 140 mm dia p.v.c. equal tee as per is-10124/2009 and shall be duly markxed with standard isi certification marks & class class-ii (0.40 mpa) , supply of 315 mm dia90º p.v.c. bend s per is-10124/2009 and shall be duly marked with standard isi certification marks & class class-ii (0.40 mpa) , supply of 140 mm dia p.v.c.extra coupler (class-ii) , supply of solvent cement