Cochin Shipyard Limited Tender
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Description
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Contact
Tender Id
2024_CSL_220159_1Tender No
CSL/SR1/ADV354RTender Authority
Cochin Shipyard Limited ViewPurchaser Address
-Website
http://https://cochinshipyard.com/
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Documents
BOQ Items
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1. 31. 1. 2 Measure the full side clearances between the adjustment ring and bronze ring of small and large blocks of the arresting gear carriages. if the clearance exceeds 4.4 mm, replace the bronze ring of the high speed unit and the rings with significant defects. Qty – 36.
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1. 31. 1. 3 Check clearance between the inserts of the movable carriage cross-head and side and lower guides. If full side clearance of upper and lower inserts is over 1.5 mm and lower clearance of lower inserts is over 1 mm, replace the cross head inserts.
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1. 31. 1. 4 Check clearance between the inserts of the cross-head and the guides of the cable anchor damper. If full side clearance is over 1.5 mm and upper clearance is over 1 mm, replace the crosshead inserts.
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1. 31. 1. 5 Measure vertical clearance between the guide and the inserts on the movable block of the damping device. if the side clearance exceeds 0.8 mm, replace the crosshead plates.
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1. 31. 1. 6 Measure the clearance between the ring of the angle block and the bronze ring of the block. If clearance exceeds 1.3 mm, replace the bronze ring.
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1. 31. 1. 7 Check the control valve cam torque values.
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1. 31. 1. 8 Checks all electrical control circuits from LCP to Arrester Gear compartments.
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1. 31. 1. 9 Checks all electrical components at LCP and Arresting gear control panels
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1. 31. 1. 10 Inspect and measure the depth of the block groove of the following pulley blocks (148 nos) using block groove gauge. Replace the blocks if abrasion exceeds 5 mm.
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1. 31. 1. 10. 1 Angle block.
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1. 31. 1. 10. 2 Movable and stationary blocks of damping device.
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1. 31. 1. 10. 3 Hoisting block.
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1. 31. 1. 10. 4 Arresting gear carriage block.
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1. 31. 1. 11 Arresting gear heat exchangers to be chemically cleaned.
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1. 31. 1. 12 Disassemble the upper part of all pulley blocks, clean, grease, inspect roller bearings and check the pulley for smooth rotation. Qty - 142.
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1. 31. 1. 13 Disassemble the upper part of deck pulley blocks, clean, grease, inspect roller bearings and check the pulley for smooth rotation. Qty - 06
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1.40 - Heat Exchangers/ Coolers
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Insitu Mechanical cleaning of HEs/ Coolers (Lub oil coolers/ Condenser/ Fresh water coolers/ Chillers)
Job involves:- 1.40.1 Degutting and regutting of system pipes and associated system pipes.
1.40.2 Chemical cleaning of coolers
1.40.3 Pressure testing of HEs.
1.40.4 Repairs to leaking tubes
1.40.5 Replacement of drain plug/cock where fitted (as per sample Mat-SS High Tensile) 1.40.6 Replacement of instrumentation adaptor/cocks where fitted (as per sample Mat-High Tensile SS) 1.40.7 Renewal of Fastners: Mat : Al Bronze 1.40.8 Renewal of gaskets Mat : Rubber Nitrile S/W resistant
1.40.9 Materials indicated above to be included in service 1.40.37 Arresting gear heat exchangers (lub oil cooler) Type: Shell And Tube, Single Pass, 4605 mm X880 mm X 790 mm
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