procurement of different size upvc pipe for renovation of katwadanga major rli scheme at bamangola block under gazole ( a-m ) sub-division under malda-i ( a-m ) division in the district of malda under core sector 2019-20 programme. , u.p.v.c. pipes :- , supply of 315 mm od, class - l rigid upvc pipes conforming to is:4985 / 2000 ( with latest ammendments ) and duly isi marked with 1 ( one no. loose coupler conforming to is:10124 part-v ) 1988 duly isi marked for every 6 m. length, required solvent cement for each pipe as per is: 14128 / 1994 ( with latest ammendments ) up to the destination point inclusive of all charges. , supply of 200 mm od, class - l rigid upvc pipes conforming to is:4985 / 2000 ( with latest ammendments ) and duly isi marked with 1 ( one no. loose coupler conforming to is:10124 part-v ) 1988 duly isi marked for every 6 m. length, required solvent cement for each pipe as per is: 14128 / 1994 ( with latest ammendments ) up to the destination point inclusive of all charges. , supply of 140 mm od, class - l rigid upvc pipes conforming to is:4985 / 2000 ( with latest ammendments ) and duly isi marked with 1 ( one no. loose coupler conforming to is:10124 part-v ) 1988 duly isi marked for every 6 m. length, required solvent cement for each pipe as per is: 14128 / 1994 ( with latest ammendments ) up to the destination point inclusive of all charges. , supply of 160 mm od, class - il rigid upvc pipes conforming to is:4985 / 2000 ( with latest ammendments ) and duly isi marked with 1 ( one no. loose coupler conforming to is:10124 part-v ) 1988 duly isi marked for every 6 m. length, required solvent cement for each pipe as per is: 14128 / 1994 ( with latest ammendments ) up to the destination point inclusive of all charges. , extra solvent cement as per is: 14128 / 1994 ( with latest ammendments )