Overhauling contract of Boiler pressure parts for Unit#7 (1x500 MW), MTPS, DVC

Removal & Application of Castable/Plastic/Pourable Insulation -per 25 kg bag

Welding of fins per meter length

Boiler Tube Bend fabrication- per bend

Fixing of Straight Shield per mtr length or Fixing of Profile Shield per no.

Cassette Baffle Removal & Refitting

Welding of HP Joints (other than T-91)-per joint.

Welding of HP Joints (T-91)-per joint.

Lifting & Lowering of One Module of LTSH Upper & Lower Bank(Combined)- per module. (excluding connection joints)

Thickness Survey (Per Point)

Manpower support during Oxide Scale Measurement of SH & RH Tubes-per day

Manpower support during PAUT/Hardness/MPI/UT/BOROSCOPY/RT for Boiler Tubes-per day

Assistance in dry inspection, boiler hydrotest & associated works for obtaining statutory clearance from Boiler Directorate.

Skin Casing welding in penthouse, doghouse & other areas of boiler - per running meter

Servicing of Safety Valves(Drum/SH/RH) & ERV (MS/HRH) Safety Valves

Servicing of Manual / Motorized HP Valves upto 50 NB - per valve

Servicing of Manual / Motorized HP Valves from 65 NB to 100 NB - per valve

Servicing of Manual / Motorized HP Valves from 125 NB to 200 NB - per valve

Servicing of Manual / Motorized HP Valves from 350 NB to 500 NB - per valve

HP Valve Gland Replacement- Per Valve

SERVICING OF CONTROL VALVES OF SH & RH SPRAY STATION, SOOT BLOWER STATION – PER VALVE

REPLACEMENT OF HIGH PRESSURE VALVES : SIZE UPTO 1” (PER VALVE)

REPLACEMENT OF HIGH PRESSURE VALVES : SIZE 1.5" & 2” (PER VALVE)

REPLACEMENT OF HIGH PRESSURE VALVES : SIZE 2.5" upto 4” (PER VALVE)

MINOR REPAIR OF HEADER / HEADER STUB / TUBE ROOT TO STUB

Cutting & Re-Welding of Handhole Pipe of Different Headers

REMOVAL & RESTORATION OF DAMAGED INSULATION IN DIFFERENT AREAS OF BOILER- PER SQM

SR/MPI/UT: Transportation charge

SR/MPI/UT: Engagement charge per day

SR/MPI/UT: Charge tube joint / joint

SR: Charge header joint / inch joint

Replacement of Safety valve

Erection & Dismantling of Quick Erect Cuplock Scaffolding in Boiler (Ist Pass)

Scaffolding for Internal Inspection of Trough Seal Area of Boiler - Per Occurence

Boiler 1st Pass (Hot Side) High Pressure Jet Cleaning- Per Occurrence

Boiler 2nd Pass Internal Water Washing - Per Occurrence

Erection & Dismantling of Scaffolding in Iind Pass Boiler - Per Boiler

Removal, Cleaning, Inspection & Refitting of Waterwall Orifice in Bottom Ring Headers- Per Boiler

Alignment & Rectification / Repair of LTSH Upper or Lower Bank Coils - Per Module (Using Inflatable Jacks)

Replacement of One Module of ECO UPPER/LOWER BANK COIL Assembly (excluding connection joints)

Lifting/lowering of CRH/HRH coil bends with spool piece fitted at one end of length upto 5 mtr

Alignment of tubes in each Coil Assy of COLD REHEAT COILS - per coil assembly

Overhauling of Boiler Drum Internals & Trough Seal - Per Boiler

Servicing of Boiler Scaffolding Door & S-Panel Manhole Door

Pent House, Dog House & Dead Chamber, Windbox & DeNOx Duct Cleaning - Per Boiler

COMPLETE CLEANING OF BOILER AT DIFFERENT ELEVATION OUTSIDE FURNACE - per boiler

ASSISTANCE IN SERVICING/Replacement of BOILER CIRCULATING WATER PUMP-per no.