In­cor­rect main­te­nance and re­pair is pri­mary cause of main en­gine dam­age

DEMM Engineering & Manufacturing - - MAINTENANCE MATTERS -

A new re­port from The Swedish Club, a mu­tual marine in­surer based in Gothen­burg, Swe­den, has re­vealed that in­cor­rect main­te­nance and re­pair con­tin­ues to be the most fre­quent cause of main en­gine dam­age – an un­changed trend for al­most 10 years.

The re­port, Main En­gine Dam­age, is­sued on 16 Novem­ber is avail­able on The Swedish Club’s web­site. The Club ex­am­ined 1,000 hull and ma­chin­ery claims for over 5,400 ves­sel years of sta­tis­tics.

“Main en­gine dam­age makes up nearly 35 per­cent of ma­chin­ery claims costs,” said Lars Malm, di­rec­tor, strate­gic busi­ness de­vel­op­ment and client re­la­tion­ship. “It is the most ex­pen­sive cat­e­gory of claim, with an av­er­age cost of over half a mil­lion US dol­lars per claim. Yet most en­gine dam­age, as with so many claims we see in many dif­fer­ent ar­eas of our busi­ness, re­mains re­lated to in­cor­rect re­pairs and main­te­nance. Nu­mer­ous cases have been noted where dam­age oc­curs shortly af­ter the en­gines have been over­hauled by ship or shore staff.”

Lu­bri­ca­tion fail­ure is still the costli­est cause of dam­age to the main en­gine, with an av­er­age cost per claim of USD926,000, due to con­se­quen­tial dam­age to ex­pen­sive parts such as crankshafts.

“We are see­ing crew with in­suf­fi­cient ex­pe­ri­ence and train­ing; ex­perts not in at­ten­dance at ma­jor over­hauls; con­tam­i­nated lu­bri­ca­tion oil and con­tam­i­nated bunkers; and en­gine com­po­nents not op­er­ated or over­hauled as per man­age­ment in­struc­tions,” said Malm. “It is a cat­a­logue of er­rors that can only be reme­died by the im­ple­men­ta­tion of a proper man­age­ment sys­tem, backed up by com­pre­hen­sive au­dit and in­spec­tion.”

The re­port con­tains good news for the Korean ship­build­ing in­dus­try: ves­sels built in Korea, which ac­count for al­most 31 per­cent of The Swedish Club’s en­tries, have con­trib­uted to only 12 per­cent of the to­tal cost of main en­gine claims in the last three years.

The Swedish Club ex­pe­ri­enced 487 ma­chin­ery claims in the 2012–2014 pe­riod, cost­ing a to­tal of USD 187.6 mil­lion. Main en­gine dam­age re­mains the most ex­pen­sive cat­e­gory, con­tribut­ing 34.3 per­cent of to­tal ma­chin­ery claims cost (30.4 per­cent in the ear­lier pe­riod) and 12.7 per­cent (10.9 per­cent) of the to­tal H&M claims cost. De­spite the rise in claims cost share, the av­er­age cost of a main en­gine claim has re­duced by 14.0 per­cent com­pared to the pre­vi­ous sur­vey pe­riod. The av­er­age cost of main en­gine dam­age be­tween 20052011 was al­most USD 634,000. The lat­est sur­vey records 118 main en­gine claims av­er­ag­ing USD 545,000 which is a 14 per­cent de­crease.

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