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 P
Tender Overview
Project Description
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
BOQ
| Sl. No. | Item Title | Item Description |
| 1 | Carry out pre-docking technical survey of rudder, stock, blade, bearings and steering gear; record baseline clearances and defects | Carry out pre-docking technical survey of rudder, stock, blade, bearings and steering gear; record baseline clearances and defects |
| 2 | Arrange staging, scaffolding and safe workfront access | Arrange staging, scaffolding and safe workfront access |
| 3 | Isolate steering gear, depressurise hydraulic lines and lockout | Isolate steering gear, depressurise hydraulic lines and lockout |
| 4 | Degutting and cutting of two hard patches on frame station 221 (100x600 mm FS, 2500x4400 mm upper deck) | Degutting and cutting of two hard patches on frame station 221 (100x600 mm FS, 2500x4400 mm upper deck) |
| 5 | Ultrasonic thickness measurement and inspection of surrounding deck plates | Ultrasonic thickness measurement and inspection of surrounding deck plates |
| 6 | Disassemble steering engine hydraulic system and dismantle power pack units | Disassemble steering engine hydraulic system and dismantle power pack units |
| 7 | Flush hydraulic lines, replace seals and perform pressure testing | Flush hydraulic lines, replace seals and perform pressure testing |
| 8 | Disassemble steering engine drive connected to rudder stock and remove tiller | Disassemble steering engine drive connected to rudder stock and remove tiller |
| 9 | Remove stock cover, install eye bolt, remove hawse covers, locking plates and fasteners | Remove stock cover, install eye bolt, remove hawse covers, locking plates and fasteners |
| 10 | Fabricate load hoisting jig for lifting rudder stock (3195 kg) and blade (6440 kg) | Fabricate load hoisting jig for lifting rudder stock (3195 kg) and blade (6440 kg) |
| 11 | Lift rudder stock, remove bushings, extract stock and remove blade using hoists | Lift rudder stock, remove bushings, extract stock and remove blade using hoists |
| 12 | Inspect taper fit, keyways and coupling surfaces | Inspect taper fit, keyways and coupling surfaces |
| 13 | MPI, UT and DPI on critical areas as per access and QAP or decided by MGES | MPI, UT and DPI on critical areas as per access and QAP or decided by MGES |
| 14 | Press out upper, middle and lower bushings and inspect hull tube for pitting/ovality | Press out upper, middle and lower bushings and inspect hull tube for pitting/ovality |
| 15 | Determine clearances in disassembled joints from mating parts | Determine clearances in disassembled joints from mating parts |
| 16 | Mount rudder stock on lathe, perform runout checks and machining | Mount rudder stock on lathe, perform runout checks and machining |
| 17 | Grind pits and restore surface finish | Grind pits and restore surface finish |
| 18 | Weld damaged areas and re-machine | Weld damaged areas and re-machine |
| 19 | Cut new thread and manufacture mating part if defect observed | Cut new thread and manufacture mating part if defect observed |
| 20 | Machine, bore and press-fit upper/middle/lower bushings | Machine, bore and press-fit upper/middle/lower bushings |
| 21 | Check lubricant supply using piston lubricators | Check lubricant supply using piston lubricators |
| 22 | Place rudder rings using heat vulcanisation and assemble with blade | Place rudder rings using heat vulcanisation and assemble with blade |
| 23 | Fasten securing bolt, weld lock plate and check free movement | Fasten securing bolt, weld lock plate and check free movement |
| 24 | Place packing, assemble mid bearing and reconnect steering drive | Place packing, assemble mid bearing and reconnect steering drive |
| 25 | Verify vertically and alignment across full travel | Verify vertically and alignment across full travel |
| 26 | Perform hydraulic pressure and leak testing | Perform hydraulic pressure and leak testing |
| 27 | Conduct operational trials port & starboard | Conduct operational trials port & starboard |
| 28 | Remove eye bolt, blank stock end and reinstall hawse covers | Remove eye bolt, blank stock end and reinstall hawse covers |
| 29 | Weld back hard patches and regutting | Weld back hard patches and regutting |
| 30 | Grinding, cleaning and anti-corrosion coating | Grinding, cleaning and anti-corrosion coating |
| 31 | Final checks, punch closure and handover | Final checks, punch closure and handover |
| 32 | Rectify pitting, ovality and scoring beyond standard scope | Rectify pitting, ovality and scoring beyond standard scope |
| 33 | Verify bearing clearance and lubrication prior to final install | Verify bearing clearance and lubrication prior to final install |
AI Tender Summary
Tender Timeline
Tender Published
Tender notice published.
CompletedBid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 18 daysBid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 18 daysTender Documents
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