NCTPS II MI Circle BM Unit I Attending Preventive Breakdown maintenance work and rectification of minor repair works in E

Charges for condition monitoring of ESP fields, checking the operation of collecting & emitting rapping mechanism (CERM & EERM), maintaining oil level and attending minor oil leak in ESP CERM & EERM Gear box: This work involves condition monitoring of ESP fields, checking CERM & EERM operations, maintaining oil level by top-up to normal level and attending minor oil leak in ESP CERM & EERM Gear box as directed by the Engineer in charge. Including the consumables and T&P's.

Charges for rectification of field short: This work involves opening of CERM Floor inspection doors, thorough inspection of collecting and emitting electrodes of ESP fields. Renewal of defective emitting electrodes and aligning gap between collecting electrodes by U guide and welding / Plate bending and ensure the emptiness of respective ESP Hoppers) as directed by the Engineer in charge. Opening of hopper bottom manhole doors for inspection. Conduct Test charge for fields and normalizing to the satisfactory operation. Including the consumables and T&P's.

Charges for manual opening and closing of Guillotine gates of ESP inlet and outlet: This work involves arrangement of tools & plants for closing electrically in - operative gates and operate manually to isolate the pass to facilitate and to attend the field short while ID fan / Unit is in service as directed by the Engineer in charge. Opening and normalising the gates after completion of field rectification work. Including the consumables and T&P's.

Charges for inspection of ESP internals and attending minor repair works in single pass: This work involves thorough inspection and checking the operation of all collecting & emitting rapping mechanism and attending minor repair works during unit shutdown/isolation of any single pass of ESP. Including the consumables and T&P's.

Charges for renewal of CERM / EERM Gear Box oil seal: This work involves removal of CERM / EERM gear box from its bed and removal of coupling from the gear box output shaft, dismantle the end cover and replacing the worn out oil seal, reassembling the end cover plate, refixing of coupling and normalising the system. Including the consumables and T&P's.

Charges for releasing of defective CERM Gear box assembly and repositioning new / reconditioned gear box assembly: This work involves disconnecting and releasing of defective CERM gear box assembly from its position at 13 mtr elevation and shifted to zero mtr elevation .Leading and Lifting the new / reconditioned gear box assembly from zero mtr to 13 mtr elevation for fixing of original position and normalising the system to complete. Including the consumables and T&P's.

Charges for releasing of defective EERM Gear box assembly and repositioning new/reconditioned gear box assembly: This work involves disconnecting and releasing of defective EERM gear box assembly from its position at 30 mtr elevation and shifted to zero mtr elevation .Leading and Lifting the new/reconditioned gear box assembly from zero mtr to 30 mtr elevation for fixing of original position and normalising the system to complete. Including the consumables and T&P's.

Charges for welding of eroded and weaken welding joints in ESP internal structural frames: This work involves complete inspection of welding joints in collecting & emitting electrode structural frames, ESP inner casing wall and welding of eroded weaken joints (metal filling by welding). Including consumables and T&P's.

Charges for cleaning of deposited ash and debris from ESP collecting and emitting rapping mechanisms and its surrounding areas at 12m and 30m elevation respectively including T&P's and consumables.

Charges for rectification of rapping mechanism inner arm, outer arm, tack welding, replacing of bolts and nuts if necessary. Including cost of consumables and T&P's.