Service Contract for U5 ESP Overhauling Job, Dec-2025 under AHP-EM of STPS Site

Amount

Description of job

Dry Cleaning Job Dry cleaning of all 04 ESP Pass starting from ESP inlet funnel to ESP outlet funnel, all hoppers, gas distribution baffles, all emitting and collecting electrodes and other allied zones. Four (04) Separate gangs have to be deployed to carry out Dry cleaning of all 04 ESP Passes simultaneously. to remove the deposited ash within 03 Days from hand over of ESP.

Water Washing of ESP Internals Water washing of all ESP Pass starting from ESP inlet funnel to ESP outlet funnel, all hoppers, gas distribution baffles, all emitting and collecting electrodes and other allied zones. Heavy water force during water washing should not be applied directly to the plates. Four (04) Separate gangs have to be deployed to carry out water washing all 04 ESP Passes simultaneously and complete within 02 Days.

Inspection of All ESP Fields Inspection of all ESP Field(Collecting Electrodes, Emitting Electrodes, Entire Rapping system, GD Screen, Hopper Baffle Plates and all other allied zones)

Checking of Collecting Plates Rectification of bend, & displaced collecting Electrodes by heating, light Hammering if required. 01 no =01 ESP Field.

Checking of Emitting Wires Replacement of damaged emitting Electrodes with new one if required. 01 no =01 ESP Field.

ESP Field Gauging Job Alignment checking, Gaging & thickness measuring of collecting Plates of all ESP Fields. 01 no =01 ESP Field

CERM Shaft replacement Job Total Replacement of CERM Rapping System (CERM Shaft, Hammers, Bearings etc) of total 08 Fields (A4,A5,B4,B5,C4,C5,D4 & D5). 01 no =01 ESP Field.

EERM Shaft replacement job Total Replacement of EERM Rapping System (EERM Shaft (Vertical & Horizontal), Hammers, Bearings, Pin Wheels etc.) of total 08 Fields (A4, A5, B4, B5, C4, C5, D4 & D5). 01 no =01 ESP Field.

Checking/rectification of CRM/ERM/GDRM Rectification of Collecting Rapping Mechanism (CERM) (total 28 nos.), Emitting Rapping Mechanism (EERM) (total 28 nos.) & Gas Distribution Rapping Mechanism (GDRM) (total 4 nos.), Shock Bar assembly, Anvil, Pad, and replacement of all other damaged components as required.

Gearbox Servicing Job of CRM/ERM/GDRM Servicing of gear boxes of all CERM, GDRM and EERM including oil leakage rectification, Gasket change, Oil seal replacement, Looking Glass replacement or replacement of damaged one by New Gear Box.

Replacement of Hopper Heaters Replacement of Damaged Hopper heaters by New heaters.

Replacement of Support Heaters Replacement of Damaged Support Insulator heaters by New heaters.

Replacement of Shaft Heaters Replacement of Damaged Shaft Insulator heaters by New heaters

Checking of Hopper Heater Jacket Checking & Leakage Rectification of Hopper Heater Jacket for each ESP Hopper.

HV Disconnecting Switch Box Cleaning and tightness checking of Disconnecting Switch boxes with cleaning and replacement of damaged Pin Insulators (total # 108 nos). 01 no =01 ESP Field.

Cleaning/Checking of Support Insulator Checking, Cleaning & Rectification (if any) of Support Insulators.

Cleaning/Checking of Shaft Insulator Checking, Cleaning & Rectification (if any) of Shaft Insulators. 01 no =01 ESP Field.

Replacement of Thermostat for Hoppers Replacement of Damaged thermostats for Hoppers Heaters.

ESP Manhole Door repairing Job Repairing of ESP Man Hole Doors & Hopper Doors along with air tight ness checking

Door Gasket replacement job Replacement of Asbestos Rope of all ESP Man Hole Doors & Hopper Doors.

Checking/repairing of GD Screen Rectification / Replacement of GD Screen (02 Stages) if required.

Checking/repairing of Baffle Plates Rectification / Replacement of Baffle Plates if required. 01 no=01 ESP Field.

Replacement of all DLI Probes

Replacement of all DLI Controllers

ESP internal Leakage rectification Job Any type of fabrication job to set right the ESP internal and leakage rectification of ESP Roof Top, ESP Hopper and ESP Wall to resist water and air ingress in ESP if required.

Assistance during GD Test Man power support & assistance during GD Test.

Painting Job Painting of all ESP equipment's ( Disconnecting Switch Box, Support insulator Box, Shaft Insulator Box, Man Hole Doors of CERM,GDRM, Hopper Doors, CERM,EERM,GDRM Gear Box. Also, Nomenclature Painting must be done after Painting job.

Collecting Plate Repairing Job Rectification Job of collecting plates for U#5, ESP during O/H. The Job includes Fixing /repairing of collecting plates & Realignment of collecting plates.

DEVO ENTERPRISE (BID ID -6599494)