installation of 500gpm pump at bansjhuri with pipeline along with supply of allied materials (flanges, nut bolt, welding rod etc.) for domestic water supply at new kenda colliery under kenda areatransportation of 6 inches pipe manually 3 laying of pipes along proposed path 4 fitting of 6 flanges both sides with welding 5 making of ms bends, short pieces etc 6 installation and commissioning of 500gpm pump 7 supply of 50sq.mm aluminium cable 8 supply of 6 flanges 9 supply of nut bolts 10 supply of welding rods 11 providing da 12 providing oxygen 13 supply of sluice valve 14 supply of non return valve 15 supply of foot valve 16 total impact of gst for the purpose of ctc