MTPS I Mill Plant Unit IV Dismantling patch welding and assembling of Mill outlet elbows orifices Transition pieces fabrication of spool piece Multiple port outlets etc in mill 4A to 4F and allied works

Amount

Charges for arresting the coal pipe firmly, dismantling victaulic coupling and lowering down the mill outlet elbows to 4.5 m. floor including charges for scaffolding.

Charges for inspection of mill outlet elbows and changing the deflector block if any lifting the elbows and assembling with proper alignment with the existing pipe line and removing coal pipe supports and devolution of scraps to stores

Charges for including drawl of materials from stores and removal of old eroded coal pipe after arresting the coal pipes firmly and providing necessary supports or platform and welding coal pipe pieces in MOE/coal pipes below MOE / MPO & Transition piece devolution of scraps to stores.

Charges for dismantling the Spool pieces, multiple port outlet bodies and transition pipes 4 Nos. each after assembling the coal pipe inspection with center feed pipe structures including transportation of supporting material from stores to site and re-fixing the Spool piece, MPO bodies and transition pieces and assembling to its original position and carrying out necessary related works. and devolution of scraps to stores etc. for a mill

Charges for removal of orifice 1 No. after dismantling the victaulic coupling, inspecting and inverting the same orifice or new orifice and assembling in position

Cutting the worn out coal pipes of varied length grinding edges and welding with coal pipe collars in the respective area inclusive of cutting the spare coal pipe of same length and transporting of pipe from stores and devolution of scraps to stores.(Vertical portion)

Charges for Dismantling of separator body top along with classifier assembly and reassembling the separator body top as per direction of engineer in charge. This includes making the fixture for lifting arrangements, lead, lift retaping and cleaning the threaded holes in the flange etc.

Charges for Dismantling of bowl hub with bowl from the vertical shaft and assembling new bowl and bowl hub as per the direction of engineer in charge. This includes making necessary fixture and supporting for lifting arrangements and lead, lift and transporting of materials from stores, reaming of holes in the bowl and bowl hub etc

Charges for gas heating the bowl and bowl hub assembly using 3 Nos. cutting set in order to expand the bowl hub for releasing it from the vertical shaft and also providing ice bag in the vertical shaft above the upper radial bearing to cool the shaft portion

Charges for Dismantling of mill bottom after removing broken M 24 size –16 Nos. bolt by drilling / gouging, tapping all the holes and assembling as per the direction of Engineer in charge. This includes making necessary fixture and supporting for lifting arrangements and lead, lift and transporting of materials from stores, reaming of holes in the mill bottom etc

Charges for plugging the worn-out holes and marking new holes at new place on same PCD in hub assembly

Charges for tapping the upper skirt assembly fixing new holes M24x16 Nos and cleaning the tapped holes M24x16 Nos provided for fixing clamping ring in bowl hub and bowl hub cover (M16x8 Nos)

Charges for Removal of worn out / eroded side liner assembly and top liners, air intake vanes, etc. and assembling new liners including drawl of new liners from stores and devolution of old liners to stores.

Cost of MS Welding electrodes .

Cutting gas

3mm non-metallic gasket

Hyseal compound 30.45(Dum Dum Putty)

Cost of refractory

Charges for consumables and T & Ps

MARSSAL ENTERPRISES (BID ID -1104963)