item description/ heading , manually laying jointing fitting by bolting 10 ms pipe app 600 ft , 8 dia ms pipe vertically range laying jointing & fitting by bolting , making of curved type bend, 2 nos. making of z type bend 2 no by 10 pipe cutting as per size and shape by gas with both side 10 flange in side & outer side double layer welding , making different types of bend, l type 4 nos, v type 2 nos short pieces 8 no, with 10 ms pipe cutting as per size and shape by gas with both side 10 flange in side & outer side double layer welding and grinding , supply and fitting of 10 ms flanges , sply & fitting of ms bolts nuts & washer , supply of m.s. welding electrodes , da cylinder , oxygen cylinder , old rejected conveyer belt cutting in round shape hole making for 10 pipe jointing , labor charges for loading, unloading of 10 dia ms pipe with welded flange, bend short pieces etc manually workshop to site (unskilled 2@ 346 x 6 shift)+(semi skilled 1@ 363 x 6 shift) , labor charges for 10 ms flange fitting and welding with 10 pipe double layer welding length approx 1000 ft(unskilled 4@ 346 x6 shift) + (semi skilled 4@ 363 x 6shift) +(skilled 4@ 363 x 6shift) , total impact of gst for the purpose of ctc