tender for boiler tube dismentling, erection and fabrication job & other job regarding boiler. - retubing work 2 1. supply, dismantling, fabrication with commissioning of dearator tank header as per detail and according boiler officer/boiler drawing with satisfactory trail reported. length of header= 16 mtr, thickness = 12 mm, size= 10” nb, sch= 80 3 boiler no.1 4 dismantling, fabrication with commissioning of screen tube as per detail and according boiler officer/boiler drawing with hydraulic satisfactory trail reported with ibr approved.size – 70mm od x 4.06mm thickness. 5 dismantling, fabrication with commissioning of side walltubewith nipple as per detail and according boiler officer/boiler drawing with hydraulic satisfactory trail reported with ibr approved.size – 76.20mm od x 4.06mm thickness 6 dismantling, fabrication with commissioning of super heater coil with nipple as per detail and according boiler officer/boiler drawing with hydraulic satisfactory trail reported with ibr approved.size – 44.45mm od x 4.06mm thickness. (25 mtr of each coil) 7 boiler no.2 8 dismantling, fabrication with commissioning of screen tube as per detail and according boiler officer/boiler drawing with hydraulic satisfactory trail reported with ibr approved.size – 70mm od x 4.06mm thickness. 9 dismantling, fabrication with commissioning of rear bank tube as per detail and according boiler officer/boiler drawing with hydraulic satisfactory trail reported with ibr approved.size – 63.50mm od x 4.06mm thickness 10 dismantling, fabrication with commissioning of fins type economizer as per detail and according boiler officer/boiler drawing with hydraulic satisfactory trail reported with ibr approved.size – 101.60mm od x 4.06mm thickness. (4890mm of each tube) 11 boiler no.3 12 dismantling, fabrication with commissioning of front wall tube as per detail and according boiler officer/boiler drawing with hydraulic satisfactory trail reported with ibr approved.size – 76.20mm od x 4.06mm thickness. 13 dismantling, fabrication with commissioning of economizer coil as per detail and according boiler officer/boiler drawing with hydraulic satisfactory trail reported with ibr approved.size – 44.45mm od x 4.06mm thickness. (78mtr of each coil) 14 dismantling, fabrication with commissioning of rear bank tube as per detail and according boiler officer/boiler drawing with hydraulic satisfactory trail reported with ibr approved.size – 63.50mm od x 4.06mm thickness 15 boiler no.4 16 dismantling, fabrication with commissioning of rear bank tube (back zone) as per detail and according boiler officer/boiler drawing with hydraulic satisfactory trail reported with ibr approved.size – 50.80mm od x 4.06mm thickness 17 dismantling, fabrication with commissioning of side wall tube with nipple as per detail and according boiler officer/boiler drawing with hydraulic satisfactory trail reported with ibr approved.size – 76.20 od x 4.06mm thickness 18 dismantling, fabrication with commissioning of economizer coil as per detail and according boiler officer/boiler drawing with hydraulic satisfactory trail reported with ibr approved.size – 50.80mm od x 4.06mm thickness (106.70 mtr of each coil) 19 dismantling, fabrication with commissioning of air heater tube and all tube plate alignmentas per detail and according boiler officer/boiler drawing with hydraulic satisfactory trail reported with non ibr approved.size – 63.50 od x 2.34mm thickness. 20 repairing of leakage 40 tpt boiler old economizer coil dismantling repairing after erraction with hydraulic satisfactory trail reported with ibr approved. 21 boiler no.5 22 dismantling, fabrication with commissioning of side wall tube with nippleas per detail and according boiler officer/boiler drawing with hydraulic satisfactory trail reported with ibr approved.size – 76.20 od x 4.06mm thickness. 23 dismantling, fabrication with commissioning of air heater tube as per detail and according boiler officer/boiler drawing with hydraulic satisfactory trail reported with non ibr approved.size – 63.50 od x 2.34mm thickness 24 dismantling, fabrication with commissioning of super heater coil (t22 material) with nipple as per detail and according boiler officer/boiler drawing with hydraulic satisfactory trail reported with ibr approved.size – 50.80mm od x 4.06mm thickness (42 mtr of each coil) 25 boiler no.1, 2 & 3 26 dismantling, fabrication with commissioning of live station pipe line accroding boiler officer/boiler drawing with satisfactory work with ibr approved. size – 6” nb 27 boiler no 1, 2, 3, 4 & 5 supply of seamless nipple as per detail and according boiler officer/boiler drawing with satisfactory trail reported 28 size – 76.20 mm od x 4.86 mm thickness, 150mm long 29 size – 70.00 mm od x 4.86 mm thickness, 150mm long 30 size – 50.80 mm od x 4.86 mm thickness, 200 mm long