NCTPS II M I Circle BM Dn 600 MW Unit I Boiler Lift LHS RHS Operation and up keeping of

Amount

Operation of Lift /day: This work involves operation of unit 1 boiler lift (LHS & RHS) from 0 mtr to 88 mtr elevation at 24 hrs basis and Rescue the passengers if any breakdown or power supply failure.

Up keeping of boiler lift & head room : This work involves cleaning the car inside, Sill and machine room, motor, rope brakes, etc., as directed by the field Engineer.

Cleaning of car shaft components: This work involves cleaning, greasing and oiling the car door shaft components.

Charges for removal of twisted / sagged main suspension steel rope in LHS & RHS lift by moving to the lift cabin (top of lift room) and hold by chain block arrangements and holding the counter weight by jacking arrangements at below '0' mtr for releasing loosened rope from sheave, measure and remove the elongated length of rope and reposition in sheave by arresting the eye bolt and checking the alignment from '90' mtr to '0' mtr from machine room, main hoist to counter weight including T&Ps and consumables.

Charges for removal of worn-out traction sheave and replacement of new Traction sheave in RHS lift. This work involves arresting the counter weight blocks at below '0' mtr elevation by jacking arrangements, moving and arresting the lift car at 90 mtr elevation by lifting and hanging entire car assembly by using chain block arrangement. Releasing of all the ropes one by one and arresting the released rope at the top of the lift machine room, removing of fasteners and lifting of bearing pedestal from the bed by using chain block. Removing and releasing of traction sheave fasteners and lifting of worn-out traction sheave and erection of new traction sheave in position and reassembling of bearing pedestal and alignment of Traction sheave, reassembling of suspension steel ropes in position, releasing of counter weight block from jack arrangement and releasing of lift car from chain block hanging, conducting trial run and normalizing the lift operation. (The required material will be supplied by TANGEDCO

Charges for thorough internal inspection and testing of LHS & RHS lift of all spares from lift sill level (negative floor) to lift head room (90mtr)by isolating the lift from all electrical connections, thorough cleaning of all internal spares, checking continuity, signal passing, indications, healthiness of all spares such as electrical circuits, micro processor based boards, panels with special software programming tool, batteries, terminals, control boards, liners, guide shoes, car top equipments etc.,charges including T&Ps, consumables.

Charges for dismantling of defective spares from in LHS & RHS Lift its position, fixing new spares of COL MEMCO- NPN N/C - OP Board/ Limit Switch, connecting the circuits, conducting the healthiness test and trial operation from 90 mtr to 0 mtr and 0 mtr to 90 mtr and inspecting the function of car, floor doors, floor responding etc., in both test mode and normal mode charges including T&P's, consumables, lifting and lowering complete. (The required material will be supplied by TANGEDCO).

Charges for dismantling of defective spares in LHS & RHS lift from its position, fixing new spares of LAMBDA Power Supply 24V, 6.5A, Guide Shoe CAR, Guide Shoe CWT, Push Button Assembly in boiler Unit-I lift (LHS) connecting the circuits, conducting the healthiness test and trial operation from 90 mtr to 0 mtr and 0 mtr to 90 mtr and inspecting the function of car, floor doors, floor responding etc., in both test mode and normal mode charges including T&P's, consumables, lifting and lowering complete. (The required material will be supplied by TANGEDCO).

Charges for replacement of worn out Main drive motor blower / gear box oil changing work in LHS & RHS lift. This work involves removing of worn out old blower from motor frame, cleaning the seating area, refixing the new blower. / This work involves draining of old tavella 220 oil from gear box, flushing and re-filling new tavella 220 oil required level inluding cost of consumables and T&P's. (The required material will be supplied by TANGEDCO).

Charges for replacing worn out mechanical spares such as Toothed door closing motor belt / Diverting Pulley / Roller Unit Lock / Door closing rope in Lift CAR door and Lift floor doors of LHS & RHS lift. This work consists of removal of worn out spares and cleaning the seating area and fixing the new spares including cost of consumables and T & P's. (The required material will be supplied by TANGEDCO).

Charges for cleaning, dismantling, greasing, assembling and aligning, the Roller Unit Lock and Door closing rope in Lift CAR door and Lift floor doors of LHS & RHS lift. This work consists of removal of worn out spares and cleaning the seating area and fixing the rectified spares including cost of consumables and T & P's.

Charges for replacing worn out electrical spares such as door sensor / door curtain TL Jones / display sensors in Boiler lift CAR door and Lift floor doors of LHS & RHS Lift. This work consists of removal of worn out spares and cleaning the seating area and fixing the new spares including cost of consumables and T & P's. (The required material will be supplied by TANGEDCO).

Sriram Engineering Works (BID ID -1202739)