TTPS Mech II BM Unit I Removal of ash accumulated over the mechanical dust collector path A B C D and ID fan A B suction side ducts and welding the eroded weld joints in the mechanical dust collector path A B C D and suction side duct of ID fan A B

Charges for opening the manhole doors of one mechanical dust collector path & one ID fan suction side duct, making two openings in the mechanical dust collector path, removing the bottom plates, removal of the ash accumulated in the above paths by using gunny bags, lowering the gunny bags to the ground level and disposing the ash in the slurry trench and washing it with water and covering the openings in the mechanical dust collector path with new M.S plates & closing the man hole doors after completion of works (For 4 paths)

Charges for removal of the ash accumulated below and around ID, FD and PA Fans floor Area and in airpreheater A&B guide bearing area including cost of consumables. (For 3 paths)

Charges for welding the eroded weld joints in the mechanical dust collector path A, B, C & D and ID fan suction duct A & B including consumables and T&P’s (for a minimum thickness of 6 mm weld metals).

Overhauling of air and flue gas dampers (GD12, GD13, GD22, GD23, GD24, GD25, AD3, AD4, AD5, AD6, AD7, AD17, AD18, AD155 & AD156) gear boxes and actuators (GD204, GD205, AD3, AD4, AD17 & AD18) in Unit I ‘A&B’ pass including, consumables and T&P charges

Charges for transportation of expansion joint from stores, cutting the cover plates, arresting the duct by providing necessary supports, erecting of structural materials by cutting, welding for providing chain block arrangement, marking, cutting and removal of wornout expansion joint inbetween ESP and MDC of C & D path, lowering the expansion joint, lifting new expansion joint, positioning & welding, fixing of cover plates, devolution of the scrap to stores including cost of consumables like gas, welding electrodes, hire charges for T&P’s etc. for the following sizes. 1590 X 9520

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