Annual overhauling of pressure part of boiler unit no.1,2 and 3,SGTPS, MPPGCL, Birsinghpur.As per attached tender Schedule and scope of work

CLEANING

Boiler Cleaning (External)

Boiler Cleaning (Internal excluding AIR-HEATER)

Penthouse

Dead Chamber

Hoppers

a) Economizer

b) Bottom Ash

Cleaning of Entire 2nd Pass Coils / Tubes

SCAFFOLDING

Re-heater / FSH / Platen SH & Furnace

Furnace

a) Conventional Method

b) Cup-lox Method (Entire Boiler 1st & 2nd Pass)

BOILER TUBES & BENDS REPLACEMENT

Economiser

Primary Super Heater / Baffle Tubes

Final & Platen Super Heater

Water Wall

Horizontal Re-heater (100% radiography)

Pendant Re-heater (100% radiography)

Slings (Riser Tubes)

Bleed Tubes

Stringer Tubes

Cage Tubes

Reinforcement of Welding Joints

Economiser / Water Wall

RH Header Bends

Slings (Riser Tubes)

Drum Vent Tubes

Assistance in Thickness Survey & Radiography

Alignment of Coils

Welding on Eroded Tubes

a) Size 50x50 sqmm

Header Inspection & Flushing

Bend Fabrication

Fabrication & Fixing of Erosion Shield / Casstte Baffle

Fabrication & Fixing

Fixing Only

Fabriction / repairing / fixing of Cassette Baffle in Economizer, Primary Super Heater, Horizontal Re-heater

H.P.Valves

Root Valves (Upto 25 mm)

a) Replacement

b) Repair / Servicing

c) Gland Packing

Above 25 mm to 100 mm

a) Replacement

b) Repair / Servicing

c) Gland Packing

Above 100 mm

a) Replacement

b) Repair / Servicing

c) Gland Packing

Boiler Safety Valves

a) Repair / Servicing

Feed Regulating Valve with Actuator

a) Repair / Servicing

H.P. Drains Joint

H.P. Vents Joint

Instrument piping joints

Boiler Drum Cleaning & Repairing with Associated Piping

Miscellaneous Work

Repairing of Pent House and Internals

Replacement of Pent House Boxses

a) With Steel

b) With out Steel

Repairing of Dead Chamber

a) With Steel

b) With out Steel

Repairing of Economiser Hoppers & Connection Joint Ducting & Making / Strenghten of their Platform

Repairing of Economiser Casing

Repairing of Bottom Ash Hopper Liner & Seal Trough Including Fixing of Dipper Plate

Repairing of Furnace Zone & Rest of the Areas

a) With Steel

b) With out Steel

Repairing / Fabrication of Canopy over Air Pre Heater

a) With Steel

b) With out Steel

Fabrication of Platform at Rear Side Buckstay

a) With Steel

b) With out Steel

Repairing of Second pass casing

a) With Steel

b) With out Steel

Replacement / Strengthening of Baffle Plate between PSH & Re-heater

a) With Steel

b) With out Steel

Repairing & Servicing

a) Buckstays

b) Diamond Type Locks

c) Rockers

Servicing of Hangers and Supports

Application of Refractory Grade “A”

Application of Refractory Grade-“C”

a) Penthouse

b) Dead Chamber & Screen Wall

c) Other Areas like BAH/Hoppers/Headers etc.

Assistance in Hydraulic Test and Safety Valve Setting

Installation of MITP

Servicing / Repairing of Drum Sampling Cooler

Application of Insulation at Boiler and Associated Auxiliaries

Complete Bolier from Bottom Ash Hopper to Penthouse

Steam and Water Piping

Boiler Drum and Piping

Wind Box

Air and Flue Gas Ducting upto Chimney

ID/FD/PA Fan Ducting

Coal Mill and Fuel Pipings

Painting of Boiler Base Structure

Repairing of Re- heater & PSH Aero Dynamic Damper inclding Top / Bottom and Near by Area

Removal of Thermal Insulation of Boiler and Associated Auxiliaries

Removal of Erosion Shield

Repairing of Cat House

a) With Steel

b) With out Steel

WIND BOX & BURNER CIRCUIT

Cleaning of Wind Box & Ash Transportation

Repairing of Wind Box

a) With Steel

b) With out Steel

AIR RESISTERS

Servicing of Air Resisters in position (Major)

Making Air registers operative (Minor)

Replacement of Air Resisters

Repairing of Core Tube Assembly register set in taken out position

Replacement of Core Tube Assembly & its internals

COAL BURNERS

Servicing of PF Burners (PH-I)

Servicing of PF Nozzle (PH-I)

Servicing of PF Burners (PH-II)

Replacement of PF Burners Assembly (PH-I)

Replacement of PF Nozzle( PH-I)

Replacement of PF Burners Assembly (PH-II)

Refractory

Replacement of Liners of Banjo

FUEL OIL CIRCUIT

Servicing of Complete Oil Burner Assembly

Re-visioning of isolating and control valve

HFO Isolating V/v Glove 25 mm

LDO Isolating V/v Glove 20 mm

Attomisation Steam V/v Glove 15 mm

NRV's Glove 25 mm

Control Valve Glove 25 mm

HFO Control / Shut off Valve 50 mm

LDO Control /Shut off Valve 50 mm

HFO /LDO Isolating Valve 50mm

Heating Line Drain / Trapes Glove V/v 25 mm

SERVICING OF HFO /LDO PRES. SYSTEM

Serv. of HFO COMP. Press. Sys. Pumps, Filter

Heaters

Serv. of LDO COMP. Press. Sys. Pumps, Filter

Servicing / Replacement of Valves

a. Up to 50 mm

b. Above 50 mm

HFO / LDO Unloading System

Servicing of Basket Filter.

Serv. of Newly Installed HFO / LDO COMP. Unloading Sys. Pumps from Tankers, Heaters

CLEANING OF TUBES AND COILS

Cleaning of Air Heater Tubes

Cleaning of Final Super Heater Coils

Cleaning of Platen Super Heater Coils

Cleaning of Pendent Reheater Coils

Cleaning of Water Wall Tubes

M/s. Simar Infrastructures Limited