TTPS MII BM Unit IV Patch up work in Air ingress areas of I and II pass of Boiler and cleaning of accumulated ash from pent house in Unit IV during overhaul for the year 2023 2024

Charges for transportation of insulation wool, cladding sheet of the air ingress area located from 8m to 56m EL, transportation of cladding sheet, wool, fixing of wool, sheet etc., and disposal of debris etc., including charges for consumables & T&Ps.

Charges for providing refractory over the screen tube area, steam cooled front wall slope, pent house and other Boiler pressure parts areas, including transportation of refractory from stores to site and water from ‘O’ m level etc.,

Charges for removal of pent house insulation skin casing sheets and insulation for an area of 3 m2 and removal of inner casing plate of 2 m2 and refixing the same after completion of work.

Charges for fin welding by cleaning, surface preparation and welding.

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

Charges for collecting, removal of ash inside the boiler Penthouse headers and boiler drum area, disposal of ash to the ground floor ash trench. Charges for removal of ash from Economizer hopper flue gas deflection slope and dispose to ground floor ash trench. Charges for removal of ash from Boiler front and rear ‘S’ panel enclosure area and dispose to ground floor ash trench.

Charges for transportation of hanger support Tie rods, turn buckles from stores to 8m level coutant bottom area, dismantling the worn-out / damaged hanger rods, erection of new rods with turn buckle, welding and adjusting or rectifying the worn-out / damaged hanger rods, including all consumables T&P etc complete.

Charges for transportation of S.S. wire mesh from central stores to eco hopper area, Providing temporary platform at required location, dismantling the existing worn-out s.s wire mesh from the super heater header, cutting the new mesh to the required size by using cutting electrode, bending to the required profile, welding hooks on the header. fixing the new wire mesh, welding with the hook, providing castable refractory on the wire mesh, dismantling the platform after completing the work, devolution of retrieved materials including the charges for scaffolding materials, SS welding electrodes, cutting electrode etc. and transportation charges.

Charges for removal of worn-out / damaged, plastering, insulation from the critical pipelines Headers, transportation of plastering material, insulation hook and retainer plate etc., from stores to site and re-insulation, plastering. After completion of work devolution of scarps to stores and disposal of debris including consumables and T&P’s etc

Charges for Insulation wool mattress confirming to IS 8183 of issue of with 1/2" x 23 swg wire netting at single size, bult density 150 kg/Cum and size of 1520 mm x 1220 mm x 60 mm thick

Charges for fire crete castable refractory cement

KUMAR ENGINEERING CONTRACTOR