TTPS MII Circle Boiler Maintenance Division Attending Breakdown works in HP valves actuators safety valves WB LRSB PRDS etc in Unit IV V boiler

Overhauling of 25 mm size gate/globe valves( for 2 valves) (NB:1”,1/2” & 3/8” valves and NRV’s of class 800/1500/2500)

Overhauling of 40 mm and 50mm hand operated Gate / Globe valves

Overhauling of 65mm to 150mm hand operated Gate valves

Overhauling of 65mm to 150mm electrical operated Gate valves

Overhauling of 200 Nb/ 250 Nb/300 Nb hand operated gate valve

Overhauling of 300 Nb / 350 Nb Gate / Globe valve

Charges for attending breakdown works in actuators - Electrical actuator of any size

Charges for attending defects in Soot Blower - Releasing of mechanical jam (wall deslaggers)in the travel tube assembly of one soot blower

Charges for attending defects in Soot Blower - Attending steam valve defects (or) renewal of valve flange gaskets (or) attending to travel gear box (or) rotory gear box slipping problem in one soot blower

Charges for attending defects in Soot Blower - Charges for drawal of LRSB lance tube from stores transporting to Unit I Boiler area leading, lifting to above 40 m elevation of Boiler using pulley and rope, Dismantling/ cutting removal of defective Lance tube from LRSB, fixing new lance to in position, lowering the defective lance tube to ‘0’ m ground floor, devoluting the scrape to stores

Charges for replacement & welding works in low pressure boiler pipe lines - Upto 25 Nb Carbon Steel pipe welding

Charges for replacement & welding works in low pressure boiler pipe lines - Upto 50 Nb Carbon Steel pipe welding

Charges for replacement & welding works in low pressure boiler pipe lines - Upto 100 Nb Carbon Steel pipe welding

Attending to any other breakdown works in any one of the following name by wind box assemblies, burner tilt mechanism, fuel firing system, scanner air fans Boiler fill pump, hot well make up pump, Phosphate dozing pump, Hanger supports or other accessories in Boiler and PRDS by replacement of spares or assembly including charges for T&P and consumables.

Charges for transportation of insulation wool, cladding sheet in the locations, pipe lines from 8 m to 56 m level, transportation of required wool, cladding sheet, fixing the wool, sheet etc., and disposal of debris, etc. complete.

Charges for leading, lifting and arranging platform and scaffolding wherever required in the boiler and dismantling after completion of work.

Charges for transportation of required of materials & pipes to the 8 m level platform, opening the peep hole breaking the slag formed in the 'S' panel portion of the boiler by pocking and pushing down the slag & clinkers through peep hole then and there till normalization and other adjacent area in the boiler