Unit 2 Boiler Overhauling for pressure parts Safety Valves Soot Blowers for Boiler efficiency improvement Steaming license renewal at SgTPP

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 Hopper , All bracing pipe inspection , changing as per requirement, guard angle fitting upto APH inlet damper..Run welding of other area like Boilerdrum floor vent flush box and drain related pipe etc.(Running Meter).

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(per coil/panel).

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

Replacement of HP valve of size 1# by straight tube or 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.

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)

Economiser coil taking outside at designated repairing site & refitting & inspection (including coil replacement)(Per Coil/Panel).

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

Safety valve Overhauling of DN 65 Superheat 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

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 PART AND SAFETY VALVE.

Assistance of reheater hydro test

BOILER INSPECTOR SUNDRY EXPENSES (OTHER THAN FEES).

Installation of size 150NB isolating valve including line modification.

Assistance for RLA works.

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

BROTHERS ENGINEERING AND ERECTORS LIMITED