e-tender for dismantling, fabrication and erection work of boiler-replacement of boiler tubes of texmaco & j.t. boilers: 2 removal of 2½” tube and fabrication, fitting and hydraulic testing of new tubes of j.t. & texmaco boiler 3 removal of 3” tube and fabrication, fitting and hydraulic testing of new tubes of j.t. & texmaco boiler 4 removal of 3” tube (straight roof tubes) and fabrication, fitting and hydraulic testing of new tubes of texmaco boiler no. 1 & 2. 5 removal of 3” tube (water wall relief tubes bend type) and fabrication, fitting and hydraulic testing of new tubes of texmaco boiler no. 1 & 2. 6 removal of 3’’ side wall header tubes and fabrication, fitting and hydraulic testing of tube, of texmaco boiler no. 1 & 2 7 fabrication, fitting, alignment and hydraulic testing of 3” nipple of bottom & top side wall header of texmaco boiler no. 1 & 2 8 welding joints of texmaco & j.t. boiler tubes size upto 3”. 9 welding joints of steam pipe lines size upto 12”. 10 replacement of worn out down take pipe size: 3” nb x 3.5” od of texmaco boilers both side no. 1 & 2. job includes hydraulic testing. 11 replacement of worn out down nipple size: 3” nb x 3.5” od of bottom mud drum to header of jt boiler no.1 & 2. job includes hydraulic testing.