Details: of protection shield for bed evaporator tubes in boiler # 4, 5 & 6 at energy - mechanical - in tnpl unit - 1 (the rate quoted is exclusive of gst) repairing of soot re-injection lines-dismantling of soot side eroded metallic expansion joint and replacing with new ones. repairing of soot re-injection lines-dismantling of air side eroded metallic expansion bellows and replacing with new ones. repairing of soot re-injection lines-removal of grate chain wornout support rollers on carrying side and of new rollers repairing of soot re-injection lines-removal of grate chain wornout support rollers on return side and of new rollers repairing of soot reinjection lines-dismantling of eroded soot reinjection pipes and of pre-fabricated pipes in position & tightening repairing of soot re-injection lines-dismantling of eroded soot reinjection pipes of 1.5 mtr length fab. of new pipes using old flanges after recovery of flanges concrete filling (concrete filling done by dept) and erecting in
Sector: Industries and Factories