Overhauling of boiler pressure parts etc for boiler efficiency improvement of unit 3 SgTPP

Overhauling of boiler drum

Overhauling of boiler drum

Scaffolding at first pass of the boiler (furnace zone) with top of bottom ash hopper sealing

Cleaning of furnace Zone, Div. panel,Dismantling Repairing and Refitting of CCP Bends of all 9 pulverizers.

Butt Joint (Insertion of tube) of Economiser & Water wall and Eco Hanger tubes.

Butt Joint (Insertion of tube) of LTSH Scaffolding at Economiser Zone andcleaning of Economiser Zone and LTSH, Screen area by LP water

Butt joint(Insertion of tube) of T91 tubes with SR.

Butt joint(Insertion of tube) of T22 tubes

Scaffolding at Economiser Zone and cleaning of Economiser Zone and LTSH, Screen area by LP water

Dissimilar butt joints of coil

Removal and fitting of tube guard(new) Non PR parts area run welding

Maximum 6 Inch length guard tube fittingas where requirement (Cutting/fitting/welding included) and cassette baffle repositioning

Removal &fitting of new Cassette Baffle

Inspection and run welding of economiser Non PR parts area

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

LTSH coil (Pair) lifting, inspection and fitting with proper alignment. Per pair means coil with both upper and lower bank.

Economiser coil(Pair) lifting,inspection ,repairing and fitting with proper alignment. Per pair means coil with triple banks

Alignment of Div.panel,Platen , RH Front, RH Rear coil,LTSH,Eco coil and Spacer tube. Removing of support, flex and ties and refixing are included.

Replacement of HP valve of size 1” by straight tube or new valve

Replacement of HP valve of size 2” by new valve

Replacement of HP valve of size 3” by new valve

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

Replacement of boiler metal temp probe.

Casing/membrance strip welding/ all location

D-metering of boiler tubes in all the high pressure zones of the boiler viz. LTSH, Economiser, Div SH,PSH, Front R/H, Rear R/H, Screen, furnace wall, roof tubes etc(as per direction of EIC).

Radiography of pressure parts welding joints

Stress relieving of welding joints/per day

Servicing of scaffolding door at boiler & pent house

Servicing of manholes and peepholes of boiler.

Scafolding below the bottom ash hopper for inspection of woven wire cloth and scallop plates and if found damage fixing of damage scallop plates.

Anchor fitting for refractory work at different location of the boiler.

Lance tube replacement of LRSB with scaffolding

Wall soot blower (88 nos) servicing Lance tube length adjustment, cleaning, greasing, compartment repair.

DPT at inside of wind box and 4 corner of furnace. Rate is included with scaffolding (if necessary).

Stub joint dye penetrant testing

BOILER INSPECTOR SUNDRY EXPENSES (OTHER THAN FEES)

BOILER PRESSURE PARTS EXPERT VISIT

Bottom ring header inspection

Scaffolding at just bottom of the Back pass HDR

RT at field joints of boiler tubes near S PANEL area

Replacement of HP valve of size 6 INCH

Replacement of HP valve of size 4 INCH

Hiring of reciprocating pump for boiler Hydro test

Supply of NDT Level-II Expert(2 PERSONS)

OT for engaged NDT Level-II Expert

Hiring of hydra 14 Ton

BROTHERS ENGINEERING AND ERECTORS LIMITED

Universal Construction Co.