ICHP Removal of carbon and dust scales deposited in the internal electrical components and operation of StackerI II and ReclaimerI II machines.

“ " Size 2 (10 KW to 20 KW)

“ " Size 1 (Up to 9 KW)

LT Motors size 1 and 3 Charges for removing of terminal cover cleaning of LT motors and terminal box by blower and tightness checking of all three phase bus bar and terminals bearing checking and greasing after the completion of the work meggering the motor windings checking of the motor trial operation with load. Size 3 (30 KW to 125 KW)

" " Size 1 (up to 9 KW)

LT Breaker: Charges of rackout the LT breakers (415V, 3phase, 800A)from the panel removing from its position removal the arch chute cover cleaning the carbon deposits in all electrical components, moving and fixed contacts protection CT's with molykote Tightness checking of all bolt and nuts internal wiring with components lubricating the breaker mechanism the assembling the LT breaker after the completion of work racked the LT breaker inside the panel and put in service position and check the healthiness of the breakers and operating conditions including cost of all consumables T&P hire charges, etc complete.

Transformers : Charges for Routine maintenance for removal of dust from the outer surface of the transformer by using blower cleaning the earth resistance box and bucholz relay, oil level gauge glasses checking of oil level and winding temperature indicator in transformers upto 2 MVA in coal handling area. Including cost of all consumables T&P hire charges, etc complete.

LT Bus: Charges for removing the top & side cover of cable chamber and removal of carbon dust deposited over the bus bar, support insulators and cable connecting terminals by blower / vacuum cleaner and tightness checking of bus bar joints, insulator support bolts & cable end termination if found any abnormalities such as in the bus bar joints bolts, cable end termination bolts and cable end lugs found charred condition, cutting the burnt portion and providing the new lugs & crimping (lugs &bolts will be supplied by TANGEDCO at free of cost).After completion of work checking the IR value of the LT bus. Checking the machine earthing provisions ensuring for proper earthing of the machine including cost of all consumables T&P hire charges,etc complete.

HT Breaker :Charges for removing of terminal covers – rack out the HT breaker from the panel – remove from its position – removal of carbon in all electrical components – moving/fixed Contacts – protection CTs with molykote – tightness checking of all bolts and nuts – internal wiring with components – checking the SF6 gas level and gas filling up – checking of spring charges motor condition – after completion of work breaker racked inside the panel and put into service position –checking the healthiness of the breaker. including assistance for shift operator round the clock in shift duty in the location Stacker and reclaimer.

Power and Control Junction boxes: Charges for Cleaning of Coal dust deposition over the busbar of Power Junction boxes of Stacker-I&II and Reclaimer-I&II and cleaning coal dust deposition over the Terminal Blocks in the Control Junction boxes of Stacker-I&II and Reclaimer-I&II which are interlinking between coal handling control room and Stacker & Reclaimer machines and checking tightness of all power and control cable terminations. Including cost of all consumables T&P hire charges, etc complete.

M/s. Rajesh and Company (BID ID -1266855)