NCTPS I SE MI circle Mill Plant Maintenance Division Annual Overhaul works for the year 24 25 Specification No 73 24 25

Amount

Charges for dismantling the cold air gate, gear box, chain links and gates cleaning the above, applying grease changing the worn out parts and complete O/H of gear box and assembling the above parts and confirming free movement of gates etc. Including cost of consumables and T&P’s.

Charges for cutting & removing the old eroded gate seal frame, arranging the new gate seals in orderly and seal welding to form leaf edge seal assembly in the HAG. (Top seal outer 2 Nos. per gate). Including cost of consumables and T&P’s.

Charges for dismantling man hole doors variant link flaps, flap shaft damper flaps side, grinding for free movement links flap checking for efficient link power transmission and reassembling the above parts as per the direction of engineer in charge in Hot air damper. Dismantling of hot air gate cylinder, dismantling the end caps, shaft and piston and cleaning of cylinder inside, changing piston seals, checking the gate side ways and grinding for free movement and assembling above parts. Including cost of consumables and T&P’s.

Charges for Renewal of Top seals inner (2 Sets per gate) of hot air gate. Including cost of consumables and T&P’s.

Charges for Renewal of Bottom seals inner (2 sets per gate) of hot air gate. Including cost of consumables and T&P’s.

Charges for dismantling the wornout hot air gate cylinder, shaft aluminium disc, seals top & bottom flanges, renewal of the damaged parts and assembling the all the above to have pucca open/ close operation without assembly leaks, to withstand a pressure of 7kg/cm2. Including cost of consumables and T&P’s.

Charges for removal of spreaded and accumulated Coal powder and debris near hot air gates, cold air ducts, CAD and CAG area of Unit-III, and other "O" mtr area by lifting, transporting and dumping in the coal yard. Including cost of consumables and T&P’s.

M/s. KSR Enterprises (BID ID -1067636)