MP-8297/Pressure Parts/ 2024

OVERHAULING OF FURNACE PRESSURE PARTS, BURNERS, HP VALVES INCLUDING SAFETY VALVE ETC. OF BOILER DURING OVERHAULING OF 250 MW, UNIT-8, PTPS, Panipat as per complete scope of work of e-NIT Ch-11/MP-8297/Pressure Part/2024.

Erection & diamantlement of Cup Locks Scaffolding (As per scope of work Referring Item No. 1) for 250 MW, Unit-8, PTPS, Panipat

Overhauling of Boiler Furnace Pressure Parts, cleaning and Burners etc. (As per scope of work Referring Item No. 2 to 5) for 250 MW, Unit-8, PTPS, Panipat

Servicing of all Wall Blowers (56 Nos.) & all LRSBs (18 Nos) and Sampling Coolers (As per scope of work Referring Item No. 6) for 250 MW, Unit-8, PTPS, Panipat

Overhauling of Drum Internals and Hangers & Supports (As per scope of work Referring Item No. 7 & 8) for 250 MW, Unit-8, PTPS, Panipat

Repairing of Pent House, SS wire mesh in BAH, Economizer Hoppers and seal plate (As per scope of work Referring Item No. 9) for 250 MW, Unit-8, PTPS, Panipat

Servicing/Replacement of HP/LP Valves Including Safety Valves etc. (As per scope of work Referring Item No. 11) for 250 MW, Unit-8, PTPS, Panipat

Overhauling of Bottom Water Wall Ring Header (As per scope of work Referring Item No. 12) for 250 MW, Unit-8, PTPS, Panipat

Service & Setting of safety valves: Drum Safety valve for 250 MW, Unit-8 (for unit rate variation purpose)

Service & Setting of safety valves: M.S. Safety Valve/ERV for 250 MW, Unit-8 (for unit rate variation purpose)

Service & Setting of safety valves: R.H Safety Valve/ERV for 250 MW, Unit-8 (for unit rate variation purpose)

Service & Setting of safety valves: PRDS Safety valve for 250 MW, Unit-8 (for unit rate variation purpose)

Service & Setting of safety valves: SH ERV including Pilot valve for 250 MW, Unit-8 (for unit rate variation purpose)

Service & Setting of safety valves: RH ERV including Pilot valve for 250 MW, Unit-8 (for unit rate variation purpose)

Lifting of any LTSH coil (Upper & lower) repositioning after carrying out repairs / replacement wherever required. (HP joints and radiography excluded) for 250 MW, Unit-8 (for unit rate variation purpose)

Lifting of any ECO coil (Upper & lower) repositioning after carrying out repairs / replacement wherever required. (HP joints and radiography excluded) for 250 MW, Unit-8 (for unit rate variation purpose)

Repair & Replacement of any castle baffle for 250 MW, Unit-8 (for unit rate variation purpose)

Replacement of Shield / Shroud for 250 MW, Unit-8 (for unit rate variation purpose)

Providing refractory for 250 MW, Unit-8 (for unit rate variation purpose)

HP joints including cutting, edge preparation etc. up to tube dia 76 mm diameter. for 250 MW, Unit-8 (for unit rate variation purpose)

Fin Welding for 250 MW, Unit-8 (for unit rate variation purpose)

Fabrication of Pressure Part Bend out of boiler tube of various size up to 76.10mm. for 250 MW, Unit-8 (for unit rate variation purpose)

Thickness measurement of tubes by D-metering for 250 MW, Unit-8 (for unit rate variation purpose)

Servicing of Wall Blower. for 250 MW, Unit-8 (for unit rate variation purpose)

Servicing of hanger in critical piping for 250 MW, Unit-8 (for unit rate variation purpose)

Replacement of hanger in critical piping for 250 MW, Unit-8 (for unit rate variation purpose)

Repair / Servicing of oil burner valve and replacement. for 250 MW, Unit-8 (for unit rate variation purpose)

Removal of oil tip & its re-fitting including alignment. for 250 MW, Unit-8 (for unit rate variation purpose)

Removal of End air tip & its re-fitting including alignment. for 250 MW, Unit-8 (for unit rate variation purpose)

Removal of Air nozzle tip, Repair / Replacement of worn out portion, if required. Assembling & re-fitting of the same including its alignment. for 250 MW, Unit-8 (for unit rate variation purpose)

Re-alignment of re-heater/platen superheater coils as per requirement by locking them with spacer tube & fixing of male/female connectors wherever required after necessary pulling of coils. Scaffolding, if required for execution of work is also included in the scope of work of contractors for 250 MW, Unit-8 (for unit rate variation purpose)

Alignment of Final Super Heater coils as per requirement by locking them with scallop bar wherever required after necessary pulling of coils including erection and dismantlement of scaffolding for execution of work for 250 MW, Unit-8 (for unit rate variation purpose)

Making work space for carrying out inspection & repairs (build ups, shielding etc.) in one LTSH coil by pulling adjacent modules by push-pull machine/chain pulley block for 250 MW, Unit-8 (for unit rate variation purpose)

DPT of stub joints / hand holes (Pent house, SHH-9, intermediate header, ECO inlet header etc.), safety valves welds with DPT kit for 250 MW, Unit-8 (for unit rate variation purpose)

Removal of skin casing, re-fixing of skin casing after repair in pent house for 250 MW, Unit-8 (for unit rate variation purpose)

Replacement of gasket of manhole of Boiler drum for 250 MW, Unit-8 (for unit rate variation purpose)

Replacement of one male connector in Re-heater / superheater for 250 MW, Unit-8 (for unit rate variation purpose)

Replacement of one female connector in Re-heater / superheater for 250 MW, Unit-8 (for unit rate variation purpose)

Servicing of HP/LP Valves, traps, NRVs: Up to 25 mm for 250 MW, Unit-8 (for unit rate variation purpose)

Servicing of HP/LP Valves, traps, NRVs: 40 mm to 50 mm for 250 MW, Unit-8 (for unit rate variation purpose)

Servicing of HP/LP Valves, traps, NRVs: 65 mm to 100 mm for 250 MW, Unit-8 (for unit rate variation purpose)

Servicing of HP/LP Valves, traps, NRVs: 150 mm to 200 mm for 250 MW, Unit-8 (for unit rate variation purpose)

Servicing of HP/LP Valves, traps, NRVs: 250 mm & above for 250 MW, Unit-8 (for unit rate variation purpose)

Replacement of HP / LP piping (in per Mtr. running length): Up to 25 mm for 250 MW, Unit-8 (for unit rate variation purpose)

Replacement of HP / LP piping (in per Mtr. running length): 26 mm to 50 mm for 250 MW, Unit-8 (for unit rate variation purpose)

Replacement of HP/ LP valves, traps, NRVs: Size Up to 25 mm for 250 MW, Unit-8 (for unit rate variation purpose)

Replacement of HP/ LP valves, traps, NRVs: 40 mm to 50 mm for 250 MW, Unit-8 (for unit rate variation purpose)

Replacement of HP/ LP valves, traps, NRVs: 65 mm to 100 mm for 250 MW, Unit-8 (for unit rate variation purpose)