departmental estimate for repairing of bucket arm lever assy, lift ram cylinder, track chain sprocket both side and track drive gear box rh side of sdl-880 of 7, 8 incline of dhori ( k ) colliery.-1.01 bucket arm lever assy. 1.02 bucket arm lever assy. bend and damaged bracket gas cutting, heating, straightening with the help of hydraulic press machine and re-welding with assy. in multilayer by special jointing steel electrodes and shaping by grinding with proper alignment and lin ing. 1.03 en- 18 carbon steel metal pin new making with head and lock hole for above chassis. 1.04 repairing / seal kit changing of lift ram cylinder 1.05 lift cylinder dismantling and assembling 1.06 lift cylinder mounting both eye oval and worn out re conditioning by metal filling by special electrodes as required up to roundness and after welding re- shaping by grinding as per bushing fitting size. 1.07 spherical ball bushing new making as per reqd. shape & size - 1.08 spherical ball bushing fitting both ends with snap ring fitting 1.09 seal kit changing 1.1 track chain sprocket teeth making lh & rh side 1.11 track chain worn out sprocket teeth making by welding and machining with all teethes grinding as original shape- 02 set x 21 nos. teethes 1.12 repair of track drive gear box rh side 1.13 repairing of damaged gear bearing and housing by round welding and machining as per original shape and size 1.14 repairing of primary reduction assembly by pinion repairing 1.15 repairing of pinions of planetary assembly 1.16 replacement of sun gear