NCTPS I SE MI circle Boiler Maintenance Division Annual Overhaul works for the year 24 25 Specification No 168 24 25

Amount

Carton Steel plate 3.15 mm thick including loading, transporting & 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 TANGEDGO if available at stores during execution of works)

SS Wire Mesh Size : L 2500 mm x W 750 mm x weaving square gap - 16 mm Material: SS316. (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 TANGEDGO if available at stores during execution of works)

MS Angle Size:100 x 100 x 8 mm including loading, transporting & 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 TANGEDGO if available at stores during execution of works)

MS Channel: 100 x 75 mm including loading, transporting & 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 TANGEDGO if available at stores during execution of works)

Providing scaffolding for dock house refractory chipping and laying work above 20 mtrs elevation. Charges inclusive of T&P's and consumables.

Skin casing welding and patch up work in dock house slope and dock house bottom 1st pass area (This work involves removing refractory, cutting the damaged existing skin casing sheet where ever required, Welding with new skin casing sheet).Charges inclusive of T&P's and consumables.

Refractory: 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 and transporting the refractory from stores and unloading at site, leading, lifting, stacking at 0 mtr to 52 mtrs elevation of boiler and removing the waste refractory from boiler lowering to the ground floor, loading to tipper and disposing at waste disposal area, including consumable and hire charges for T&P's. (Refractory will be supplied by TANGEDCO).

Charges for bending of plates: Drawal of 3.15 M.S plate from central stores transporting the materials to outside workshop cutting in to required size, bending to the required size and profile, transporting back to NCTPS boiler area. Charges inclusive of T&P's and consumables.

Renewal / rectification of support channel for dock house area fabrication, Lifting, positioning, aligning and welding as directed by the field engineers, charges including of paints, consumables & T&P's and drawal of materials from stores etc. (Steel plate will be supplied by TANGEDCO). (Below 9 Mts).