Overhauling of Boiler pressure parts Safety Valves Soot blowers for Boiler efficiency improvement steaming License renewal of unit2 SGTPP scheduled in July2024

Overhauling of boiler drum

Scaffolding of FSH,PLSH,MRH,FRH

Cleaning of furnace Zone, Div. panel, ( steam tube, PLSH,MRH,FRH by HP water Jet )

Insertion of tube FSH,PLSH,RH,LTSH ( (Except LTSH bottom bank),Joint )

Removal and fitting of guard tube,guard ( plate. )

Removal and fitting of Cassette Baffle ( of dimension 2200X500X58 )

Scaffolding of Economiser Zone and ( cleaning of Economiser Zone and LTSH by LP water )

Inspection and run welding of economiser ( Hoper , All bracing pipe inspection , changing as per requirement, guard angle fitting upto APH inlet damper..etc

Insertion of water wall tube , ( economiser tube,LTSH bottom bank (Joint) )

Supply and errection of scaffolding ( materials for furnace and other areas(LOT) )

Sealing at top of bottom ash hopper by ( wooden planks, GI sheet and gunny bags(LOT) )

Deposition of weld metal on tubes /stubs ( /header etc. )

LTSH coil pulling , inspection and ( proper alignment of coil and pannel with clit and support welding )

Economiser coil lifting,inspection ( repairing and fitting with proper alignment )

Div.panel,platen, Final SH,Middle RH, ( Final RH coil pulling ,inspection and proper alignment of coil and pannel with clit and support welding )

Replacement of HP valve of size 1” by ( new valve )

Replacement of HP valve of size 2” by ( new valve )

Fitting of manual valve of size 4” at ( EBD line with approach platform(without SR & Radiography) )

Fitting of manual valve of size 4” at ( Start up (without SR & Radiography) vent with approach platform )

Fabrication of different sizes of bends, ( U-loops etc. )

Replacement of boiler metal temp. probe.

Welding of membrane strips/Skin casing ( for boiler )

D-metering of boiler tubes in all the ( high pressure zones of the boiler viz. LTSH, Economiser, platen SH, Medium R/H, Final R/H, Final S/H, Screen and cage wall, furnace wall, roof tubes etc. )

Radiography of pressure parts welding ( joints )

Stress relieving of welding joints

Trivy test and Assistance to trivy test ( for Drum, SH,CRH&HRH safety valve )

Removal and repairing of refractory ( works at boiler Pr. parts area )

Arrangement of 1 no. crane /hydra(8ton) ( with fuel and operator )

Servicing of manholes and peepholes of ( boilers )

Seal plate and Deeper plate of trough ( seal Removing, Repairing and Replacement )

Inspection and Correction of buckstay ( and Steelwork. )

Pressure parts area miscellaneous job

Stub joint dye penetrant testing ( (Limited to 10% of total stub joint) )

MAGNETIC PARTICLE TEST (MPT)

Wall soot blower (56 nos) servicing

Boiler External cleaning by air & fire ( water )

HANGER SUPPORT OH WORK

ENGAGEMENT OF BEST EXPERT FOR HANGER ( SUPPORT OH WORK )

ENGAGEMENT OF EX-BHEL EXPRT FOR BOILER ( PRESSURE PARTS )

Assistance of reheater hydro test

BOILER INSPECTOR SUNDRY EXPENSES (OTHER ( THAN FEES) )

Installation of size 150NB isolating ( valve including line modification )

Hiring of reciprocating pump for ( departmental & Inspector hydro test at 250kg/cm2 )

Replacement of wall reheater tube ( from inlet header upto 06 mtr height inside boiler )

Safety valve Overhauling of DN 80 Drum ( Safety valve (Model-1749WB) )

Safety valve Overhauling of DN 65 SH ( Safety valve (Model-1730WD) )

Safety valve Overhauling of DN 100 HRH ( Safety valve (Model-1765WD) )

Safety valve Overhauling of DN 150 CRH ( Safety valve (Model-1705RWB) )

Safety valve Overhauling of DN 250 Aux ( hdr Safety valve )

Safety valve seat cutting