procurement of pipes for different water lines in unit 3 overhauling at ahpmmstage ii sgtpp , procurement of pipes for different water lines in unit 3 overhauling at ahpmmstage ii sgtpp , ms pipe erw black,80nb for pump sgtpp 4.80 mm thickness ( as per is :1239 part 1 heavy grade pipe plain end. minimum length : 6 mtr each, tolerance +/- 5% on total length make: sail/tata/jindal ) , pipe,100nb,heavy grade,is 1239,min l6m ( tolerance +/- 5% on total length, make: sail/tata/jindal thickness 5.4mm ) , pipe,ms,150nb,heavy grade,is1239,min l6m ( wall thickness: 5.4 mm, min. length: 6 mtr each, tolerance +/- 5% on total length make: sail/tata/jindal ) , pipe 25 nb ms, minimum length 6 mtr heavy grade is:1239 ( tolerance +/- 5% on total length, thickness tolerance: +5%/-0%, both side bevelled end, make: sail / tata /jindal/rinl ) , pipe ss-304 seamless,125nb for ia line ofahp ( as per schedule 40, length of pipe 5-6 mtr and tollerence (+/-) 10% by length. ) , pipe,ms,125nb,heavy grade,is 1239 min l6m ( both side bevelled end, tolerance +/- 5% on total length, thickness tolerance: +5%/-0%, make: sail/tata/jindal/rinl thk:5.4mm )