NCTPS I SE MI circle Boiler Maintenance Division Annual Overhaul works for the year 24 25 Specification No 244 24 25

Amount

GI Corrugated Sheet Size: 920mm x 1830mm Thick 18 SWG Material : GI (Supply to the NCTPS stores. The contractor should inspect the site in overhaul to ascertain the actual requirement of Iron & steel material and as per the direction of Engineer in charge the materials will be supplied by TNPGCL available at stores during execution of works)

Carton Steel plate 3.15 mm thick including loading , transportion and unloading charges (Supply to the NCTPS stores. The contractor should inspect the site in overhaul to ascertain the actual requirement of Iron & steel material and as per the direction of Engineer in charge the materials will be supplied by TNPGCL available at stores during execution of works)

Diffuser cone for HFO oil gun assembly Material - SS 310 (Supply to the NCTPS stores. The contractor should inspect the site in overhaul to ascertain the actual requirement of Iron & steel material and as per the direction of Engineer in charge the materials will be supplied by TNPGCL available at stores during execution of works)

Seal tube assembly for diffuser cone for HFO oil gun material - SS 310 (Supply to the NCTPS stores. The contractor should inspect the site in overhaul to ascertain the actual requirement of Iron & steel material and as per the direction of Engineer in charge the materials will be supplied by TNPGCL available at stores during execution of works)

Charges for providing scaffolding arrangement at Boiler working area. Including consumables and T&P's .

Charges for cutting and removing of existing eroded / wornout channel, angle, beam,plates & spports, etc,. for bolier Dock house Bottom structures. Including consumables and T&P's .

Charges for Leading, lifting and transporting of Iron and steel materials from stores to site. Including consumables and T&P's . ( Required materials will be supplied by TNPGCL scope)

Charges for fabrication and erection of Damaged / eroded channel, angle, beam, plates & spports, etc,. for bolier Dock house Bottom structures. Including consumables and T&P's . ( Required materials will be supplied by TNPGCL scope)

This work involves Cutting and removal of the existing damaged M.S / G.I Corrugated sheets rectification and rewelding with new sheet in the Dock house bottom and pent house in boiler. Including consumables and T&P's .

Charges for cutting, removal of manhole door seal box dismantle the manhole door from side wall, after completion of bend replacement refixing the seal box manhole door in position and application of refractory. Including consumables and T&P's .

Rectification of hanger supports, tie rods in the SHH, CRH & HRH penthouse enclosure Including cost of consumables and hire charges of T&P's.

Charges for complete removal of oil gun stationary parts of assemblies from wind box and adjusting gun length and checking K’ dimension and OH of HEA igniter assembly & scanner guide hose assembly.Including consumables and T&P's .

Refractory: Charges for transporting the refractory from stores and unloading at site, leading, lifting, stacking at 7m to 52 m elevation of Boiler and removing the waste refractory from Boiler lowering to the ground flower, loading to tipper and disposing at waste disposal area of TPS. Charges for chipping removal of old defective refractory, cleaning, surface preparation, mixing the refractory with water application and curing the patch worked refractory in Boiler at various elevation. Including cost of consumables and hire charges of T&P's.

ARC FILLING i) Grinding of Boiler tubes for Arc filling of size 150 x 25 MM² area for 3 Layers ii). Charges IBR Welder for Arc filling of area 25 x 150 MM² by 3 layer. Including consumables and T&P's .

CKEE ENGINEERING PRIVATE LIMITED (BID ID -1255859)