BIENNIAL MAINTENANCE CONTRACT FOR THE JOBS FOR BOILER AND AUX RUNNING DAILY MAINTENANCE UNDER BM DEPARTMENT OF STG I

Mandatory Job: DAILY OR RUNNING MAINTENANCE ( OF BOILER & AUX. SYSTEM. )

Cost of Safety equipment

Piecemeal Job:Coal mill full overhauling as per scope ( of work in annexure 2A including the supply of all consumables, manpower, T&P, measuring instruments<(>,<)> Scaffolding etc. )

Coal mill mini overhauling as per scope ( of work in annexure 2B including the supply of all consumables, manpower, T&P, measuring instruments<(>,<)> Scaffolding etc. )

Gear Box Replacement as per annexure ( including the supply of all consumables, manpower, T&P<(>,<)> measuring instruments, Scaffolding etc. )

Servicing of Gearbox Input Shaft ( of Coal Mill ZGM123N. )

Feeder overhauling as per annexure 2D

Additional tyre servicing of Coal mill

Cleaning, stacking, loading, carriage ( over pucca road and unloading at destination (within 5 km lead) of ash and coal mill rejects from rejection conveyor tunnel and etc. )

All SADC internal checking in all corner ( of Boiler ,dismantling/freeness checking, replacement of bush /bearing, repairing of erosion ,coupling with power cylinder operation andetc. )

HFO/LDO/Air nozzle/Coal nozzle system ( tilting checking by opening the boiler door, reach rod adjustment /cleaning/replacement (wherever needed) necessary full welding ,etc )

Coal nozzle tip,oil nozzle tip,air ( nozzle tip, checking by opening Boiler door at bottom hopper with necessary scaffolding in furnace necessary rectification ,with all kinds of allied jobs, angle of burner tilting adjustment and complete boxup. )

Sky climber fitting in the Boiler ( dismantling for burner checkup & operation during burner checking. )

Repalcement of damaged coal compartment ( assembly with all associated work.(without scaffolding). )

CCP bend dismantling, replacement ( welding, pipe alignment, with hanger support adjustment with necessary scaffolding and removal of scrap from site to scrap yard. )

CCP straight pipe dismantling ( replacement, welding, pipe alignment, with hanger support adjustment with necessary scaffolding and removal of scrap from site to scrap yard. )

Replacement of Seal air fan with new ( bearing ,bearing housing, coupling, impeller , shaft bearing cooling water line modification after removal of old Seal air fan. )

Duct Repairing

Replacement of APH ( (Model: LAP10320/3883) Guide Bearing assy. with all associated work. FOR EACH BEARING. )

Replacement of APH ( (LAP10320 /3883) Support Bearing assy. with all associated work. FOR EACH BEARING. )

Gearbox of APH ( Model: LAP10320/3883) Gear Box along with all associated work (Time: 02 days). )

Replacement of CCP O/L Gate

Checking/Replacement of CCP Orifice

Mill Rejection Pipe replacement

Cleaning of ash/ Mill inside coal ( cleaning from PA/SA/Mill area/duct/Boiler inside washing etc. )

ID Fan Bearing Replacement

PA Fan Blade Replacement

FD Fan Blade Replacement

HFO/ LDO Pump Replacement

Servicing Of PA Fan Rotor Including ( Bearing Replacement. )

Servicing Of FD Fan Rotor Including ( Bearing Replacement. )

Replacement of MPO(Spool Piece)

Boiler Tube leakage: Water Wall Tube Joint without ( scaffolding. Per joint )

Economiser Coil/LTSH bottom bank/Steam ( Cooled Wall Joint without scaffolding. Per joint. )

Roof Tube Joint without scaffolding ( Per joint. )

Spacer Tube Joint without scaffolding ( Per joint. )

LTSH and Eco. Hanger Tube. Per Joint.

Screen Tube Joint without scaffolding. ( Per joint. )

All Reheater Joint with scaffolding ( except Wall Reheater and Medium Reheater where extra payment will be made for any scaffolding beyond 6 m Horizontal and 6 m Vertical). Per Joint. )

LTSH middle / top bank/Wall Reheater ( Joint without scaffolding. Per Joint. )

Other Superheater Joint excluding LTSH ( with scaffolding upto 6 m Vertical and 6 m Horizontal. Per Joint. )

Division Panel without scaffolding. Per ( joint. )

Stress Relieving

Radiography

Vertical scaffolding for approaching ( Furnace/ Roof Tube/ Wall Reheater/ MRH/ Platen/ Division panel. Per 6 Meter Vertical. )

Horizontal scaffolding for approaching ( Medium & Wall RH/ Platen SH/ Divisional Panel/ SCW/ Roof Tubes/ Furnace (Total to exceed 10 m in each case). Per 6 Meter Horizontal. )

Membrane strip/Skin casing welding per ( METER. )

Removal, Fabrication and Fitting of ( Guard Tube and Guard Plate. Per piece. )

Build up in eroded Tubes as found to be ( necessary. Per Sq. Inch. )

Economiser coil lifting , repairing, ( fitting & jointing with proper alignment. Per Coil. )

LTSH coil pulling , inspection, proper ( alignment of coil & panel with clit and support welding. Per Coil. )

Second pass scaffolding ( Per 6 Meter Horizontal/Vertical. )

Universal Construction Co. (BID ID -5287750)

BROTHERS ENGINEERING AND ERECTORS LIMITED (BID ID -5297316)