Supply and Installation of Bed Plate of winding engine with major overhauling of Winding Engine at RJ Unit, Bahula Colliery

Amount

Item Description/ Heading

Supply and Installation of Bed Plate

Inspection and drawing charges

Pattern(made by wood)

Rough Casting

Chipping

Machining charges

Grinding and painting

Civil Work (including raw materials with complete foundation works)

Crane Hire Charges

Labour charges including casting & installation of coke, bed plate

Overhauling of cross head, link motion, cylinder repairing

Cross head shaft key way making and pressing

Cross head bore rebuilding as per shaft size and machining

Cross head GM bush turn cutting

Repairing of link motion assembly both side

Making attachment for line boring of cylinder

LHS cylinder re-boring and polishing 12 3/8" OD x 30" long

Right hand cylinder bore polishing

Cyliinder gland stud making 7/8" x 9 1/2" long

Cylinder valve face machining and bore re-boring as per side rod size

Cylinder gland place re-boring

Cylinder end cover new making 26" OD x 1 - 1/4 thick - 01 no with material, complete gas cutting, machining, hole center making

Cylinder end cover new making square type 1 x 1/4" thick with material, complete gas cutting, machining, hole center making

Front side end cover 14 nos hole socket pressing, 14 nos and new hole making size 12 nos, drilling 1" size and cover sitting place socket making, fitting, 01 no

Opening refitting and trial run at site

Repairing of power brake assembly

Power brake piston rod straightening, proper alignment

Piston rod check nut new making

Changing of piston ring

Oil cylinder and steam cylinder inside bore machining and grinding polish

Changing of cylinder gland GM Bush

Steam cylinder and oil cylinder seal kit changing

Changing of cylinder gland neck bush GM

Repairing of pilot valve by changing valve kit and valve rod straightening and proper fitting

Lever spring setting, lever pin hole space metal deposit, M/C new pin fitting

Repairing of linkage system by necessary welding and machining

Changing of necessary nut, bolts, spring and washer

Opening, fitting of power brake assembly and trial at site

Repairing of crank shaft and its pinion

Crank shaft pinion opening from existing position and handling and transporting to workshop and refitting the same and proper setting at site

Crank pinon worn out bore metal deposit by suitable electrodes and machining the same as per size

Crank pinion keyway space proper size making by shaper machine

Crank pinion stud new making, both side thread making - 04 nos check nut fitting on each stud, material EN - 8 Steel

Fabrication of tool post by help of gas cutting, welding and setting in proper space

Necessary machining of shaft(crank pinion space) as per pinion bore size and keyway space machining at site.

New key making head type, heavy duty, materials by EN-19 grade steel

Opening and refitting at site properly

Repairing of regulating valve, emergency valve, drop valve for oil lubrication etc.

Repairing of regulating valve complete set

Repairing of emergency valve complete set

Drop valve for oil lubrication system

Repairing and overhauling of Automatic Contrivance

Epoxy cast speed sensor

Epoxy cast direction sensor

Slow banking zone switch

Driving arrangement

Servicing, overhauling/resetting of Automatic Contrivance

Supply and installation of 6(Six) nos piston ring for both cylinders

Pattern making

Materials

Machining charges

Fitting Charge

Transporting cost

Total impact of GST for the purpose of CTC