i)Repairing and overhauling of head drum size 1150 x 800 x 10mm and tail drum size 1150 x 400 x 10mm and (ii)repairing of head and tail drum shaft of Unit No. 267 B/C in HMS Section of Kathara Washery

A) Repairing of head drum and tail drum :- Dismantling of drum (head and tail) shell and shaft by gas cutting

Making of drum by bending plate to its true size.

Making of shell end plates of head drum of size dia : 600mm, thickness : 10mm.

Making of shell end plates of tail drum of size dia : 500mm, thickness : 10mm

Bearing hub repairing of both side by filling of materials then welding and machining

B) Repairing of head and tail drum shaft :- Welding, machining and grinding of its main shaft after filling of materials by suitable electrodes CGS 680 4mm.

Machining and grinding of both side shaft after build up of bearing seating portion.

Machining / boring of housing after filing of materials with machinable electrode of its true size.

Welding, grinding and machining of coupling and making collar and hole.

Key way making in shaft both end and replacement of HT stud 16mm x 62mm

Complete assembly of all parts of drum and then balancing.

Testing and alignment charges of both drum.

Contractor Profit

Total impact of GST for the purpose of CTC