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| 1 | (A)BOILER PRESSURE PART WORK: |
| 2 | Supply &Fitting of scaffolding at Furnace zone, PLSH By Couplok scaffolding. |
| 3 | Scaffolding of FSH, RH, LTSH & Economizer. |
| 4 | Cleaning of furnace (Boiler first pass), PLSH, FSH & RH zone by HP water jet. |
| 5 | Cleaning of LTSH, Economiser, Pent house including roof, roof top, inside pent house accumulated ash, Dog House, Dead chamber, all Boiler area Buck stay including duct area inside & outside. |
| 6 | Boiler External cleaning from pent house elevation to zero meters by air & fire water. (Upto Coal Feeder Building including fans duct,ccp APH) |
| 7 | Arrangement & Assistance for Furnace Gas tightness test. |
| 8 | Hanger & Supports checking of critical pipings including air and flue gas duct area up to ID Fan (excluding ESP) & Boiler Buck stay checking. |
| 9 | DE metering of pressure parts ,Area to be covered: Furnace tubes at soot blower, burner mouth area & gooseneck area, LTSH, Economiser, Steam cool wall, manhole areas, FSH, RH,Screen tubes etc. |
| 10 | a) Removal, fabrication & fitting of guard tube for Screen tube,scw, LTSH, Economiser, furnace wall. |
| 11 | b) Removal, fabrication & fitting of Cassette baffle for, LTSH, Economiser |
| 12 | Lifting & refitting of LTSH coil including terminal joints, and hanger tube joint. |
| 13 | DP test of stub joints |
| 14 | Insert in furnace wall tube.(including radiography) |
| 15 | Insert in LTSH ,Economiser,SCW tube.(including radiography) |
| 16 | Insert in FSH, PLSH, RH tube(including radiography) |
| 17 | Insert in screen tube(including radiography) |
| 18 | Deposition of weld metal on Boiler tubes, stubs, doors, headers etc. |
| 19 | Radiography of erection welding joints (single shot) |
| 20 | Skin casing welding. |
| 21 | Servicing for safety valves & Trevi test and actual popping of Drum-3, SH-2,RH-5 safety valves |
| 22 | Safety valve seat cutting |
| 23 | Servicing of soot blower safety valve. |
| 24 | Lifting & refitting of ECO coil including terminal joints |
| 25 | Stress relieving for pressure parts welding joint. |
| 26 | Roof loose tube proper clamping. |
| 27 | Fabrication of different size cold bends. |
| 28 | Economiser header stub joint replacement. |
| 29 | LTSH inlet header stub joint replacement. |
| 30 | Overhauling of Boiler Drum and drum internals. |
| 31 | Fins welding |
| 32 | Pressure parts area Miscellaneous job. |
| 33 | LTSH coil replacement. |
| 34 | Boiler Inspector Sundry expenses (other than fees) |
| 35 | MAGNETIC PARTICLE TEST (MPT) |
| 36 | Servicing of Man holes of boiler |
| 37 | Servicing of Peep holes of boiler |
| 38 | Hiring of reciprocating pump for departmental & inspector hydro test at 250kg/cm2 |
| 39 | (B) INSPECTION& REPAIR OF PENT HOUSE, DEAD CHAMBER & DOG HOUSE: |
| 40 | Inspection & Repair of pent house, dead chamber & dog house. |
| 41 | (C1) HIGH PRESSURE VALVE SERVICING: |
| 42 | Overhauling of HP valve size above 25 mm & up to 50 mm (class 2500 & 3000) |
| 43 | Overhauling of HP valve size above 50 mm & up to 100 mm (class 2500 & 3000) |
| 44 | Overhauling of HP valve size above 100 mm & up to 200 mm (class 2500 & 3000) |
| 45 | Overhauling of HP valve size above 200 mm (class 2500 & 3000) |
| 46 | Overhauling of pneumatic operated Spray control valve |
| 47 | Overhauling of Manual Operated spray control valve |
| 48 | (C2) HP VALVE ACTUATOR CLEANING,GREASING & TIT-BIT MAINTENANCE: |
| 49 | Servicing of Valve Actuator, size up to 50mm |
| 50 | Servicing of Valve Actuator, size above50mm &upto 200 mm |
| 51 | Servicing of Valve Actuator, size above200mm &upto 350 mm |
| 52 | (D)REFRACTORY: |
| 53 | Removal re-application of refractory |
| 54 | (F) BURNER SYSTEM (COAL & OIL BURNERS, WIND BOX, SADC, BURNER TILT WORK,BURNER ISOLATING GATE) |
| 55 | Coal Burner Servicing/Replacement |
| 56 | Oil Burner servicing/ replacement |
| 57 | SADC, Burner tilt Servicing & Wind box repairing. |
| 58 | Burner Isolating gate servicing |
