Work Contract For Capital Overhaul Of Pressure Parts ( Coh ) At 210 Mw Atps Mppgcl Chachai.-2 Cleaning Of Boiler 3 Complete External Cleaning Of Boiler From Top To Bottom 4 Internal Cleaning Of Boiler In Second Pass 5 Cleaning Of Ash Fr, chachai-Madhya Pradesh

Work Contract For Capital Overhaul Of Pressure Parts ( Coh ) At 210 Mw Atps Mppgcl Chachai.-2 Cleaning Of Boiler 3 Complete External Cleaning Of Boiler From Top To Bottom 4 Internal Cleaning Of Boiler In Second Pass 5 Cleaning Of Ash From Economiser Hopper With Connecting Ducts 6 Cleaning Of Pent House, Cat House, Dead Chamber 7 Cleaning Of Pent House Roof 8 Preparation Of Scaffolding 9 Preparation Of Scaffolding In Boiler Horizontal Pass ( Screen Tubes, Reheater, Final Super Heater ) 10 Preparation Of Scaffolding Above Economiser Hopper For Inspection Of Economiser Lower Bank Coils & C-Header. 11 Preparation Of Quick Erect Scaffolding System ( Cup-Lock System ) In Boiler Furnace ( From Top To Bottom ) 12 Preparation Of Scaffolding In Wind Box 13 Preparation Of Scaffolding In Bottom Ash Hopper 14 Inspection 15 Inspection Of Complete Boiler Pressure Parts ( Ist & Iind Pass ) 16 Inspection & Repair Of All Doors , Windows And Peep Holes In Boiler 17 Internal Inspection & Cleaning Of Boiler Drum 18 Cleaning And Repair Of Wind Box 19 With Steel 20 Without Steel 21 Dye Penetration Test ( Dp Test ) With Kit 22 Transportation Of Ash, Scraps, Debries And Other Waste Materials ( Including Loading / Unloading ) 23 Hydro Jet Cleaning Of Complete Boiler Pressure Parts 24 Platen Superheater Coils. 25 Re-Heater Coils. 26 Water Wall ( Front, Rear, Left & Right ) 27 Section-B 28 Assistance In Radiography 29 Rectification, Replacement And Refixing Of Protection Sleeve ( Shielding ) In Various Areas Of Boiler Tubes. 30 Rectification, Replacement And Refixing Of Cassette Bafflesin Various Areas Of Boiler Tubes. 31 Preparation Of Boiler Tube Surface For Tube Thickness Survey / Oxide Scale Measurement / Stress Relieving 32 Welding Of Hp Joints Of Boiler Tubes 33 Water Wall Tubes-Screen Tubes, Hanger Tubes, Rear Arch Tubes Etc. 34 Platen Superheater Tubes 35 Ltsh Tubes And Associated Steam Cooled Wall 36 Final Superheater Tubes 37 Roof Tubes 38 Reheater 39 Economisertubes 40 Instrument Pipings 41 Welding Of Fins 42 Re-Enforcement Of Welded Joints ( A ) Economiser ( B ) Sling ( C ) Reheater ( D ) Drumvent ( E ) Ltsh 43 Welding & Replacement Of Drain Joints 44 Welding & Replacement Of Tracing Line / Sampling Line 45 Pad Welding Of Eroded Tubes Of Various Size 46 Pad Welding Of Boiler Tubes At Various Locations ( Size 50Mm X 50Mm ) 47 Alignment Of Coils / Tubes / Blowers 48 Alignment Of Wallblowers / Servicing Of Wall Blowers 49 Alignment / Servicing Of Long Retractable Soot Blower 50 Assistance In Hydraulic Test Of Boiler Pressure Part & Preparation For Boiler Light Up 51 Application Of Refractory At Various Locations Of Boiler ( Gr.A+Gr.C ) 52 Application Of Refractory At Various Locations Of Boiler ( Grade A ) 1.Rear Arch2. Soot Bolwer Area 3. Other Locations 4. Burner Mouth 53 Application Of Refractory At Various Locations Of Boiler ( Grade C ) ( 1 ) . Pent House, Door, Window Manhole & Peephole, Etc ( 2 ) Dead Chamber & Screen Valve ( 3 ) Flue Gas Erosion Plate Of Ltsh & Eco Bend ( 4 ) Cooling Pipe Of Seal Plate ( 5 ) Other Areas ( Like Hopper Header Etc. ) 54 Section-C 55 Complete Servicing / Overhauling Of Hp Valves 56 Gland Packing Of Hp Valves 57 Upto 25 Mm 58 25 Mm To 50 Mm 59 50Mm To 100 Mm 60 100 Mm To 200 Mm 61 Above 200 Mm 62 Completeservicing Of Valves ( Excluding Actuator ) : 63 Upto 25 Mm 64 25 Mm To 50 Mm 65 50 Mm To 100 Mm 66 Above 200 Mm 67 Replacement Of Valves ( Welded Type ) 68 Upto 25 Mm 69 25 Mm To 50 Mm 70 50 Mm To 100 Mm 71 100 Mm To 200 Mm 72 Servicing Of Boiler Fill Pump 73 Section-D 74 Complete Servicingofspring Loaded Safety Valves ( Sv ) 75 Boiler Drum Sv 76 Main Steam Lines Sv 77 Crh Lines Sv 78 Hrhlines Sv 79 Servicing Of Soot Blower Safety Valve 80 Section-E 81 Preparation / Fabrication Of Hp Tube Bends 82 Repair Of Pent House Of Boiler 83 Repair Of Pent House By Patching ( Without Steel ) 84 Dismanteling Of Steel Structures / Installation Of New Steel Structures ( With Steel ) 85 Repairing Of Dead Chamber 86 Repair Of Dead Chamberby Patching 87 Dismanteling Of Steel Structures / Installation Of New Steel Structures 88 Repair & Servicing 89 Buckstays 90 Repalcement / Repairing Of Economiser Module ( Consist Of 2 Coils Both Lower & Upper Bank ) 91 Painting Of Taken Out Economiser Coils 92 Repairing Of Cat House 93 With Steel 94 Without Steel 95 Servicing, Cleaning & Repairing Of Sampling Line Coolers 96 Servicing & Repairing Of Hangers & Supports 97 Section-F 98 Fixing Of Corrugated Gi Sheet At Boiler Roof & Other Places 99 Painting Of Boiler Base Structure 100 Disposal Of Rubbish Thermal Insulation 101 Repairing Of Header Stubs Hand Hole Plugs 102 Insulation Work 103 Removal / Application Of Thermal Insulation In Complete Boiler From Bottom Ash Hopper To Pent House 104 Removal / Application Of Thermal Insulation In Steam And Water Piping 105 Removal / Application Of Thermal Insulation In Esp 106 Removal / Application Of Thermal Insulation Inair Heater & Hopper 107 Flue Gas & Hot Air Duct 108 Sheeting Work Over Insulation ( Where Insulation Is In Good Condition )

INR 5000 /-

INR 250000.0 /-

INR 1.43 Crore /-

Name of Work: Work contract for AOH of Pressure Parts of 1X210 MW Unit ATPS, Chachai.

Sl. No.	Item Description
1	SECTION-A
2	CLEANING OF BOILER
3	COMPLETE EXTERNAL CLEANING OF BOILER FROM TOP TO BOTTOM
4	INTERNAL CLEANING OF BOILER IN SECOND PASS
5	CLEANING OF ASH FROM ECONOMISER HOPPER WITH CONNECTING DUCTS
6	CLEANING OF PENT HOUSE, CAT HOUSE, DEAD CHAMBER
7	CLEANING OF PENT HOUSE ROOF
8	PREPARATION OF SCAFFOLDING
9	PREPARATION OF SCAFFOLDING IN BOILER HORIZONTAL PASS (SCREEN TUBES, REHEATER, FINAL SUPER HEATER)
10	PREPARATION OF SCAFFOLDING ABOVE ECONOMISER HOPPER FOR INSPECTION OF ECONOMISER LOWER BANK COILS & C-HEADER.
11	PREPARATION OF QUICK ERECT SCAFFOLDING SYSTEM (CUP-LOCK SYSTEM) IN BOILER FURNACE (FROM TOP TO BOTTOM)
12	PREPARATION OF SCAFFOLDING IN WIND BOX
13	PREPARATION OF SCAFFOLDING IN BOTTOM ASH HOPPER
14	INSPECTION
15	INSPECTION OF COMPLETE BOILER PRESSURE PARTS (IST & IIND PASS)
16	INSPECTION & REPAIR OF ALL DOORS ,WINDOWS AND PEEP HOLES IN BOILER
17	INTERNAL INSPECTION & CLEANING OF BOILER DRUM
18	CLEANING AND REPAIR OF WIND BOX
19	WITH STEEL
20	WITHOUT STEEL
21	DYE PENETRATION TEST (DP TEST) WITH KIT
22	TRANSPORTATION OF ASH, SCRAPS, DEBRIES AND OTHER WASTE MATERIALS ( INCLUDING LOADING/UNLOADING)
23	HYDRO JET CLEANING OF COMPLETE BOILER PRESSURE PARTS
24	PLATEN SUPERHEATER COILS.
25	RE-HEATER COILS.
26	WATER WALL ( FRONT, REAR, LEFT & RIGHT)
27	SECTION-B
28	ASSISTANCE IN RADIOGRAPHY
29	RECTIFICATION, REPLACEMENT AND REFIXING OF PROTECTION SLEEVE (SHIELDING)IN VARIOUS AREAS OF BOILER TUBES.
30	RECTIFICATION, REPLACEMENT AND REFIXING OF CASSETTE BAFFLESIN VARIOUS AREAS OF BOILER TUBES.
31	PREPARATION OF BOILER TUBE SURFACE FOR TUBE THICKNESS SURVEY/ OXIDE SCALE MEASUREMENT/ STRESS RELIEVING
32	WELDING OF HP JOINTS OF BOILER TUBES
33	WATER WALL TUBES-SCREEN TUBES, HANGER TUBES, REAR ARCH TUBES ETC.
34	PLATEN SUPERHEATER TUBES
35	LTSH TUBES AND ASSOCIATED STEAM COOLED WALL
36	FINAL SUPERHEATER TUBES
37	ROOF TUBES
38	REHEATER
39	ECONOMISERTUBES
40	INSTRUMENT PIPINGS
41	WELDING OF FINS
42	RE-ENFORCEMENT OF WELDED JOINTS (a) ECONOMISER (b) SLING( c) REHEATER (D) DRUMVENT ( E) LTSH
43	WELDING & REPLACEMENT OF DRAIN JOINTS
44	WELDING & REPLACEMENT OF TRACING LINE / SAMPLING LINE
45	PAD WELDING OF ERODED TUBES OF VARIOUS SIZE
46	PAD WELDING OF BOILER TUBES AT VARIOUS LOCATIONS ( SIZE 50MM X 50MM)
47	ALIGNMENT OF COILS/ TUBES / BLOWERS
48	ALIGNMENT OF WALLBLOWERS/SERVICING OF WALL BLOWERS
49	ALIGNMENT /SERVICING OF LONG RETRACTABLE SOOT BLOWER
50	ASSISTANCE IN HYDRAULIC TEST OF BOILER PRESSURE PART & PREPARATION FOR BOILER LIGHT UP
51	APPLICATION OF REFRACTORY AT VARIOUS LOCATIONS OF BOILER (GR.A+GR.C)
52	APPLICATION OF REFRACTORY AT VARIOUS LOCATIONS OF BOILER (GRADE A) 1.REAR ARCH2. SOOT BOLWER AREA 3. OTHER LOCATIONS 4. BURNER MOUTH
53	APPLICATION OF REFRACTORY AT VARIOUS LOCATIONS OF BOILER (GRADE C) (1). PENT HOUSE, DOOR, WINDOW MANHOLE & PEEPHOLE, ETC (2)DEAD CHAMBER & SCREEN VALVE (3) FLUE GAS EROSION PLATE OF LTSH & ECO BEND (4) COOLING PIPE OF SEAL PLATE (5) OTHER AREAS (LIKE HOPPER HEADER ETC.)
54	SECTION-C
55	COMPLETE SERVICING/OVERHAULING OF HP VALVES
56	GLAND PACKING OF HP VALVES
57	UPTO 25 MM
58	25 MM TO 50 MM
59	50MM TO 100 MM
60	100 MM TO 200 MM
61	ABOVE 200 MM
62	COMPLETESERVICING OF VALVES (EXCLUDING ACTUATOR):
63	UPTO 25 MM
64	25 MM TO 50 MM
65	50 MM TO 100 MM
66	ABOVE 200 MM
67	REPLACEMENT OF VALVES (WELDED TYPE)
68	UPTO 25 MM
69	25 MM TO 50 MM
70	50 MM TO 100 MM
71	100 MM TO 200 MM
72	SERVICING OF BOILER FILL PUMP
73	SECTION-D
74	COMPLETE SERVICINGOFSPRING LOADED SAFETY VALVES (SV)
75	BOILER DRUM SV
76	MAIN STEAM LINES SV
77	CRH LINES SV
78	HRHLINES SV
79	SERVICING OF SOOT BLOWER SAFETY VALVE
80	SECTION-E
81	PREPARATION / FABRICATION OF HP TUBE BENDS
82	REPAIR OF PENT HOUSE OF BOILER
83	REPAIR OF PENT HOUSE BY PATCHING (WITHOUT STEEL)
84	DISMANTELING OF STEEL STRUCTURES/INSTALLATION OF NEW STEEL STRUCTURES (WITH STEEL)
85	REPAIRING OF DEAD CHAMBER
86	REPAIR OF DEAD CHAMBERBY PATCHING
87	DISMANTELING OF STEEL STRUCTURES/INSTALLATION OF NEW STEEL STRUCTURES
88	REPAIR & SERVICING
89	BUCKSTAYS
90	REPALCEMENT/ REPAIRING OF ECONOMISER MODULE (CONSIST OF 2 COILS BOTH LOWER & UPPER BANK)
91	PAINTING OF TAKEN OUT ECONOMISER COILS
92	REPAIRING OF CAT HOUSE
93	WITH STEEL
94	WITHOUT STEEL
95	SERVICING, CLEANING & REPAIRING OF SAMPLING LINE COOLERS
96	SERVICING & REPAIRING OF HANGERS & SUPPORTS
97	SECTION-F
98	FIXING OF CORRUGATED GI SHEET AT BOILER ROOF & OTHER PLACES
99	PAINTING OF BOILER BASE STRUCTURE
100	DISPOSAL OF RUBBISH THERMAL INSULATION
101	REPAIRING OF HEADER STUBS HAND HOLE PLUGS
102	Insulation Work
103	REMOVAL / APPLICATION OF THERMAL INSULATION IN COMPLETE BOILER FROM BOTTOM ASH HOPPER TO PENT HOUSE
104	REMOVAL / APPLICATION OF THERMAL INSULATION IN STEAM AND WATER PIPING
105	REMOVAL /APPLICATION OF THERMAL INSULATION IN ESP
106	REMOVAL / APPLICATION OF THERMAL INSULATION INAIR HEATER & HOPPER
107	FLUE GAS & HOT AIR DUCT
108	SHEETING WORK OVER INSULATION (WHERE INSULATION IS IN GOOD CONDITION)