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Bids Are invited for Repair, Maintenance, And Installation Of Plant/ Systems/Equipments (Version 2) - Onboard Ins Teg At Nd(Mbi); Rudder Stock And Blade Removal, Inspection, Machining And Reinstallation Onboard Ins Teg; Service Provider - Carry Out Pre-Docking Technical Survey Of Rudder, Stock, Blade, Bearings And Steering Gear; Record Baseline Clearances And Defects , Arrange Staging, Scaffolding And Safe Workfront Access , Isolate Steering Gear, Depressurise Hydraulic Lines And Lockout , Degutting And Cutting Of Two Hard Patches On Frame Station 221 (100X600 Mm Fs, 2500X4400 Mm Upper Deck) , Ultrasonic Thickness Measurement And Inspection Of Surrounding Deck Plates , Disassemble Steering Engine Hydraulic System And Dismantle Power Pack Units , Flush Hydraulic Lines, Replace Seals And Perform Pressure Testing , Disassemble Steering Engine Drive Connected To Rudder Stock And Remove Tiller , Remove Stock Cover, Install Eye Bolt, Remove Hawse Covers, Locking Plates And Fasteners , Fabricate Load Hoisting Jig For Lifting Rudder Stock (3195 Kg) And Blade (6440 Kg) , Lift Rudder Stock, Remove Bushings, Extract Stock And Remove Blade Using Hoists , Inspect Taper Fit, Keyways And Coupling Surfaces , Mpi, Ut And Dpi On Critical Areas As Per Access And Qap Or Decided By Mges , Press Out Upper, Middle And Lower Bushings And Inspect Hull Tube For Pitting/Ovality , Determine Clearances In Disassembled Joints From Mating Parts , Mount Rudder Stock On Lathe, Perform Runout Checks And Machining , Grind Pits And Restore Surface Finish , Weld Damaged Areas And Re-Machine , Cut New Thread And Manufacture Mating Part If Defect Observed , Machine, Bore And Press-Fit Upper/Middle/Lower Bushings , Check Lubricant Supply Using Piston Lubricators , Place Rudder Rings Using Heat Vulcanisation And Assemble With Blade , Fasten Securing Bolt, Weld Lock Plate And Check Free Movement , Place Packing, Assemble Mid Bearing And Reconnect Steering Drive , Verify Vertically And Alignment Across Full Travel , Perform Hydraulic Pressure And Leak Testing , Conduct Operational Trials Port & Starboard , Remove Eye Bolt, Blank Stock End And Reinstall Hawse Covers , Weld Back Hard Patches And Regutting , Grinding, Cleaning And Anti-Corrosion Coating , Final Checks, Punch Closure And Handover , Rectify Pitting, Ovality And Scoring Beyond Standard Scope , Verify Bearing Clearance And Lubrication Prior To Final Install
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