NCTPS I SE MI circle Boiler Maintenance Division Annual Overhaul work for the year 25 26 Specification No 225 25 26

Opening of all manhole doors, and closing of all manhole doors, after completion work including changing of asbestos ropes and clamps in the doors, consumable and T&P’s.

Charges for Providing platform and dismantling after completion of Expansion bellow cover plate and soot blower pipe erection work. Including Consumables and T&P’s.

Charges for removal of worn-out radial seal in both cold end and hot end (complete assembly) and re fixing with new HT bolts & nuts and positioning. (Including transporting of new materials from Stores to site and scraps from site to stores).(DOUBLE SEALING ARRANGEMENT). Including Consumables and T&P’s.

Charges for removal of worn-out axial seal in both cold end and hot end (complete assembly) and re fixing with new HT bolts & nuts and positioning. (Including transporting of new materials from Stores to bite and scraps from site to stores).(DOUBLE SEALING ARRANGEMENT). Including Consumables and T&P’s.

Charges for removal of worn-out/damaged bypass seals (complete assembly CE & HE) fixing and positioning properly with new /old seals. (Including transporting of new materials from stores to site and scraps from site to Stores).(DOUBLE SEALING ARRANGEMENT) Including Consumables and T&P’s.

Charges for replacing of rotor post seal at hot end and cutting of sealing ring segments, cutting of tracking rod stuffing boxes, kawool packing and patch up ealing ring segments and leak arresting works around the guide bearing area and fixing of rotor post seals and rectification works on the eroded portions of spool seal assembly. (Including transporting of new materials from Stores to bite and scraps from site to stores).(DOUBLE SEALING ARRANGEMENT) Including Consumables and T&P’s

Removal of accumulated ash at center section connecting plate area of APH “B” side Including Consumables and T&P’s

Charges for levelling and aligning of the radial sector plates and axial seal plates with respect to the rotor axis. Including consumables and T&P’s

Inspection of Guide bearing: Arresting the APH rotor rigidly in all the axial doors around the entire Circumference of the rotor. Cutting 300 mm channel to the required length and welding the beam one end at the APH rotor angle another end at the axial door area (APH stationary area) with high rigidity for arresting movement if any of the rotor. Releasing the entire arresting channels after Inspection. Including Consumables and T&P’s.

Charges for removing the cover of support bearing, draining of lubricating oil from the sump, cleaning, flushing, rinsing and inspection of bearings checking level and refilling with new oil and re packing the covers properly.Including Consumables and T&P’s.