Ship Machinery and Equipment Maintenance

Ship Machinery and Equipment Maintenance
Hull, Tank and ballast tank maintenance Lloyds maritime Academy 28/29 Jan 2010 Dr M Raouf Kattan Managing Director Safinah Ltd Lloyds maritime Academy 28/29 Feb © Safinah Ltd 2010

Lloyds maritime Academy 28/29 Feb 2010 Copyright Safinah Ltd 2010
Coatings Are they just paint? or Are they engineering systems? Lloyds maritime Academy 28/29 Feb Copyright Safinah Ltd 2010

Lloyds maritime Academy 28/29 Feb 2010 © Safinah Ltd 2010
Sign post Impact of IMO Regulations Ballast tank issues Cargo tank issues Outer hull issues In service monitoring Maintenance regimes Repair regimes Data collection Possible issues Lloyds maritime Academy 28/29 Feb © Safinah Ltd 2010

Impact of IMO Regulations
IMO PSPC for dedicated seawater ballast tanks Has elevated the focus on coating performance Fuel prices Has elevated the focus on outer hull condition IMO PSPC for Cargo tanks pending Lloyds maritime Academy 28/29 Feb © Safinah Ltd 2010

IMO Regulations Treaty on Ballast water management systems IMO Guidelines for Maintenance and Repair (M&R) of ballast tank coatings (void spaces and PMA) Lloyds maritime Academy 28/29 Feb © Safinah Ltd 2010

Ballast tanks The worst is yet to come New build CTF requirements Compatibility with BWMS Distinction between Maintenance and Repair IMO Guidelines for M&R of ballast tank coatings Lloyds maritime Academy 28/29 Feb © Safinah Ltd 2010

Ballast tanks As built records required – CTF In service monitoring by IACS likely to take the following format: 3.4.3 IMO PSPC In service maintenance, repair and partial re-coating shall be recorded in the CTF in accordance with the GUIDELINES for coating maintenance and repair Lloyds maritime Academy 28/29 Feb © Safinah Ltd 2010

Maintenance and Repair
Clear Distinction Maintenance – activity that maintains but does not improve condition Repair – activity that improves conditions Basis is IACS Rec 87. Lloyds maritime Academy 28/29 Feb © Safinah Ltd 2010

Assessment How to assess condition Who to do it How to define areas under consideration Ambiguities of area of breakdown How to record How to audit Lloyds maritime Academy 28/29 Feb © Safinah Ltd 2010

Frequency Every 5 years all tanks Fair and Poor – annually Poor, Fair Good as defined in IMO A.744(18). Plate: <3% (minor spot rusting), <20%, >20% Edges: <20%, 20-50%, >50% Lloyds maritime Academy 28/29 Feb © Safinah Ltd 2010

Good Photo Courtesy of ClassNK Lloyds maritime Academy 28/29 Feb © Safinah Ltd 2010

Fair Photo Courtesy of ClassNK Lloyds maritime Academy 28/29 Feb © Safinah Ltd 2010

Poor Photo Courtesy of ClassNK Lloyds maritime Academy 28/29 Feb © Safinah Ltd 2010

Maintenance Regimes Need good information All vessels over 6 years of age inspect all tanks by crew annually (possibly earlier). Provide a report of condition Prepare a maintenance plan Prepare a repair plan Record findings and actions in CTF Lloyds maritime Academy 28/29 Feb © Safinah Ltd 2010

Maintenance regime Prepare Remove mud, oil, grease etc., Wash down, Dry, Mech prep. Climate Apply Epoxy based, compatible to existing (cross testing?). DFT to specification!!! Lloyds maritime Academy 28/29 Feb © Safinah Ltd 2010

Repair regimes At dry-docking or specialist location Status of riding squads not yet fully clear, but current reading is that this would be maintenance. Use of specialised equipment Prepare a proper plan of action Lloyds maritime Academy 28/29 Feb © Safinah Ltd 2010

Repair regime Preparation Remove mud, oil, grease etc. FW wash, Dry, St2 or Sa2.5 for Fair, Sa2.5 for Poor. Feather coating, soluble salts, climate control. Application According to IMO PSPC to required DFT (compatibility – cross testing!!) Lloyds maritime Academy 28/29 Feb © Safinah Ltd 2010

Data Collection Newbuild CTF – Contents not yet fully agreed and expect variability (IMO/NACE/IACS proposals). Crew to keep records in a consistent format for maintenance and for auditing Keep repair records for auditing Computer based systems in the near future. Lloyds maritime Academy 28/29 Feb © Safinah Ltd 2010

Possible issues BWMS compatibility is a big unknown at present, no one making any real claims. Ownership changes and hence coating supplier changes – compatibility issues Maintenance logs. Costs of through life maintenance and repair Qualification of surveyors/auditors Lloyds maritime Academy 28/29 Feb © Safinah Ltd 2010

Possible solutions Data build up for coating life to allow proper planned maintenance to be developed. Electronic CTF e.g. Elcoship software New repair and maintenance strategies - outsourcing Lloyds maritime Academy 28/29 Feb © Safinah Ltd 2010

Outer hull Direct relationship to fuel consumption Longer history of owner interest Computer based tools emerged onto market Raising need for regular maintenance to save fuel. Lloyds maritime Academy 28/29 Feb © Safinah Ltd 2010

However Invasive species issues Require new technology solutions In water hull cleaning desirable but can result in invasive species issues. If not acceptable then need more dry-docking Lloyds maritime Academy 28/29 Feb © Safinah Ltd 2010

However Coating technology 30 years of TBT stability gone New Tin free products have had variable performance but has now improved Foul release coatings, similar experiences Conditioning coatings require in water hull cleaning Lloyds maritime Academy 28/29 Feb © Safinah Ltd 2010

Assessment of hull performance
This is a complex process Software available and services offered. Daily fuel consumption is probably adequate and a moving average acceptable May not be as sensitive as computer tools. Lloyds maritime Academy 28/29 Feb © Safinah Ltd 2010

Cargo Oil Tanks Likely follow a similar pattern to WBT Draft regulation draws heavily on WBT regulations. Testing awaiting confirmation Lloyds maritime Academy 28/29 Feb Copyright Safinah Ltd 2010

Future More inspection and verification More cost on coatings More repairs Need to get better through life data on coating performance Other regulatory changes may prevent long coating life Current regulations may inhibit innovation. Vessel design Novel maintenance contracts through life Link new build budget to operational budget Lloyds maritime Academy 28/29 Feb © Safinah Ltd 2010

Projects looking forward
BESST - Process BEKAS – Edge preparation Safinah KTP - Design Equivalent/alternative schemes under IMO PSPC – Japan/Holland/Brazil Lloyds maritime Academy 28/29 Feb © Safinah Ltd 2010

Conclusions Will need to develop proper maintenance regimes. Regulatory push will increase through life costs initially Need to revise how specified Need records Need to re-consider design Lloyds maritime Academy 28/29 Feb Copyright Safinah Ltd 2010

Conclusions Going to get much worse before it gets better. Lloyds maritime Academy 28/29 Feb Copyright Safinah Ltd 2010

Thank you Any question Lloyds maritime Academy 28/29 Feb Copyright Safinah Ltd 2010

Ship Machinery and Equipment Maintenance

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