Cochin Shipyard Limited Tender
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Costs
EMD
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Description
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Contact
Tender Id
2024_CSL_213604_1Bid Award Id
ViewTender No
SR1/0807/GePNIC/ADV/BoilerTender Authority
Cochin Shipyard Limited ViewPurchaser Address
-Website
http://https://cochinshipyard.com/
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Documents
BOQ Items
1.1.1.2 Inspection/ repair and replacement of brick work.
500
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1. 1. 2 Carry out following on boiler shell: -
-
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1.1.2.1 Inspection of headers/drum internals and fittings.
8
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1.1.2.2 Inspection of headers and tubes flares internals and doors (inner/ outer).Repair and renew as necessary.
32
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-
1. 1. 3 Carry out 100% radiography of all economiser stub element weldments. (separate wpt of economiser is to be undertaken in case any repair work is undertaken on stub weldments)
8
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1. 1. 4 Check manual and automatic operation of safety valve. main valve size - 100 mm and pilot valve size - 32 mm and setting pressure of pilot valve (6.9 and 7.1 mpa. qty: main valve-08 nos, pilot valve-16 nos) repair defective valves as necessary (SS to undertake trials)
24
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1. 1. 5 Following routines to be carried out on main boilers. Repair/ renew as necessary.
-
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1.1.5.2 Dis-assemble the removable insulating boards of inner casing and replace the joints.
200
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1.1.5.3 Undertake inspection of outer and inner insulation of all boilers.
200
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1.1.5.4 Inspection all burner and register assemblies for damage/ wear. Overhaul register assembly and burners, carryout trails as per OEM manual.
50
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1.1.5.5 Inspect and carryout easing of all furnace (06) and casing drains (04).
80
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1.1.5.6 Inspect and carryout easing of all sight glasses (04).
32
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1.1.5.7 Inspect and examine GCUs and its locking mechanism, repair/ renew as required.
80
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1.1.5.8 Inspection/thickness gauging of blowdown system pipes of boiler, renew/ repair as required.
24
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-
1. 1. 6 Overhaul following servo drives and Quick Closing Valve of main boilers: -
-
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1.1.6.1 Fuel QCV, dia- 150 mm, WP -64 bar, TP -100 bar.
8
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1.1.6.2 Main steam stop valve, dia -300 mm, WP- 64 bar, TP - 100 bar.
8
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1.1.6.3 Saturated steam master valve, dia-125 mm, WP-64 bar, TP-100 bar.
8
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1.1.6.4 TBU QCV, dia-125 mm, WP-64 bar, TP-100 bar.
8
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1.1.6.5 Main switch valve, dia-80 mm, WP-64 bar, TP- 100 bar.
8
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-
1. 1. 8 Inspection and Thickenss Gauging of Boiler funnel casing along with Y-Piece Nozzle in mixing chamber, Renew if necessary
5
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1. 1. 9 Weld repairs to inner casing of Boilers
8
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