replacement of boiler tubes pannels and mounting etc , peplacement of tubes as per drg. no. kcp-2620-1022 aap/99045/1 , dismantling of 5-.8 od boiler bank tubes size wall tubes , dismantling of 76.2mm od boiler tubes, rear wall thubes size wall tubes,furnace roof tube fromt wall tubes etc. , fabrications of 50.8 mm od tube size bend in any tube as per sample. , fabrications of 76.2 mm od tube size bend in any tube as per sample. , welding joint 50.8 mm od tube , welding joint 76.2 mm od tube , erection of 50.8 mm od bank tube, side wall tube (including minor work i.e. cutting shapping etc. in tube length required and expending. tube size 50.8 mm od x 3.66 mm th. , erection of 76.2 mm od bamk tube, rear wall tube, side wall tube, furnace roof tubes, front wall tube (including minor work i.e. cutting, shapping etc. in tube length required and expending) , replacement of stubs of pannel/header size of stub rear wall header rwbh-4, dra no.2620-1018size 76.2 x 4.06.x 112mm long , front wll header fwbh -4drg, no.2610-1016, size 76.2x4.06x112mm long , front wll header fwbh -4drg, no.2610-1016, size 50.8x 3.66 x 108mm long , side wall header rsh top & bottom. drg. no.2620-1020 size 76.2 x 4.06 x112mm long , side wall header rsh top & bottom. drg. no.2620-1020 size 114.03 x 6.02 x 118mm long , side wall header lhs top & bottom, drg. no.2620-1019 size 76.2 x 4.06 x 112mm long , side wall header lhs top & bottom, drg. no.2620-1019 size 114.3 x 6.02 x 118mm long , side wall tube panel as per drg. no. pei/99006/0boiler no. up/4743 as per drg. no. pei/99008/0 boiler no. up/4744 , front wall tube panelas per drg. no. pei/99005/0 boiler no. up/4743 as per drg. no. pei/99009/0 boiler no. up/4744 , rear wall tube panel as per drg. no. aap/99026/0 boiler no. up/4744 as per drg. no. aap/99014/0boiler no. up/4743 , screen tube panel as per drg. no. pei/99005/0boiler no. up/4743as per drg. no. pei/99009/0 boiler no. up/4744 , fabrication of panels,side wall tube panelsas per drg no. pei/99006/0 boiler no. up/4743as per drg. no. pei/99008/0boiler no. up/4744 size of tube 76.2 mm od x 4.06 mm th. x 7.5 mtr lg no. of tubes in one panel-48,pitch 100 mm , front wall panel ,size of tube 76.2 mm od x 4.06 mm th.no. of tube- 43, pitch 100 mm length of tube 12.0 mtr appx. – 22 nos.12.2 mtr appx. – 21 nos. no. of bend in one tube- 5 no.( 21 nos. tube) no. of bend in one tube- 2 no.( 22 nos. tube)no. of welding joint one tube 2 , screen panelsize of tube 76.2 mm od x 4.06 mm th., no. of tubes43,pitch 100 mm, length of tube 58 mtr (appx.) 21 nos. 62 mtr (appx.) 23 nos. no. of bend in one tube- 5 nos. (21 no. tube)no. of bend in one tube-4 nos.(22 no. tube) , rear panelsize of tube 76.2 mm od x 4.06 mm th. no. of tube45 no.pitch 100 mmlength of tubes8.7 mtr (appx.) =22 nos.9.0 mtr (appx.) =23 nos.no. of bend in one tube -2 (23 tubes) no. of bend in one tube -6 (22 tubes) , erection of penels at site including welding joint shapping sizing etc , replacement of boiler upper drum attachement as per drg. no. 2620-1011 and as per ibr regulations no. n10 pressure testjob involve: supply, fabrication if required and erection supply will be as per ibr code & regulation. supply (flange + nipples)note: the above quantity is for one boiler and the work is to be done in two boiler , no. ni safety valve connection , no. n2 feed water inlet , no. n4 direct water level gauge , no. n5 remote water level gauge , no. n6 steam outlet for oil system , no. n7 level trip , no. n8 air vant , no. n9 level control , no.n10 pressure test , repairing of boiler header caps , repairing of seat of cap in header upper/lower , fabrication of bends from 50.8 mm od tube/50 mm nb pipe other than panel , fabrication ofbend 76.2 mm od size bend as required , replacement of wornout air heater stubsdismantling of tubes. , fitting & expanding of tubes, testing of tubes by filling of water, old tubes will be shifted to scrap yard. , dismantling of circulation tube of 76.2 mm od boiler tube ( having 4 bends in each tube) , fabrications of above76.2 mm od tube size bend in one tube. (having 4 bends in each tube) , erection of above 76.2 mm od above said tube , dismentling, pannel tubes of side pannel drum to drum , fabrication of side pannel drum to drum size of tube 50.8mm od x 4.06 mm thick, no. of tube 17 in one pannel pitch of tube defferent, no of bend in one tube is 2 nos. , erection of side pannel drum to drum , h.p. bend for boiler pipe line suitable for 32 kg/cm² working pressure boiler ( the job involes supply, dismantling & erection ofbendsize 1” nb , h.p. bend for boiler pipe line suitable for 32 kg/cm² working pressure boiler ( the job involes supply, dismantling & erection ofbendsize 2” nb , h.p. bend for boiler pipe line suitable for 32 kg/cm² working pressure boiler ( the job involes supply, dismantling & erection ofbendsize 3” nb , dismentling of boiler heigh pressure old line, fabrication and erection of of pipe line size 1” nb , dismentling of boiler heigh pressure old line, fabrication and erection of of pipe line size 2” nb , dismentling of boiler heigh pressure old line, fabrication and erection of of pipe line size 3” nb , dismentling, febrication and erection of blow down pipe linesize 2 , dismentling, febrication and erection of blow down pipe line size 3” , fabrication & erection of super heater coils of 32kg/cm² working pressure 32 ton kcp make boiler dismantling of super heater coils with nipples and stacking it in scrapyard. , erection of super heater coils at position, job including the all additional work of support, cleat fitting, etc. in erection of super heater coils. s.no. 1 and s.no. 2 , fabrication of super heater coils as per drawing no.2620-1043 & 1044 & drawing no. 9903h s.no. 1 , fabrication of super heater coils as per drawing no.2620-1043 & 1044 & drawing no. 9903hs.no. 2 , fabrication & supply ofsuper heater coils nipples as per drawing no. 2620 & 9903h , erection of super heater coils nipples at position , dismentling of economiser coil upper/lower in one peice , fabrication of coil upper/lowr from 50.8mm x 3.66mm thick. new/existing tubes as per drawing no.2620-1025 as ibr regulation , erection of economiser coil of 50.8mm od x 3.66mm thick. tube at position as per drawing no.2620-1025 and as per ibr regulation. hydrolic testing of all economiser coils. , dismantling & fitting of riser tube size 4” nb , supply of fabricated riser tube of size 4”nb seamless
