SAFETY COMMUNICATION Improper Rigging Techniques = Hazar

Type of Incident: Improper RiggingBusiness Unit: BP GoM ShelfLocation of Incident: Grand Isle 93 C Date of Incident: 8-11-01

Brief Account of Incident: While making a lif from a !oa o he pla form" he opera or pi#ked $p a #argo !aske and pro#eeded o s%ing a%a& from he !oa ' While s%inging he !aske " he #argo s$ddenl& shif ed #a$sing he (-ring on he la #h side of he hook o p$ll hro$gh he la #h' When he (-ring p$lled hro$gh he la #h" he %o par sling #ame $nhooked from he s inger and he !aske dropped on one side res$l ing in dropping some of he #argo in o he %a er'

Outcome: )o in*$ries" !$ some of he #argo %as los '

What Went Wrong: 1'+ ,he #argo !aske slings %ere oo shor o !e $ ili ed %i h

a single poin hook$p #a$sing an $ns a!le load and one ring o p$ll hro$gh he hook'

.'+ ,he minim$m re#ommended sling angle / 0 degrees+ !e %een he sling and he load %as no main ained'# $al angle %as a!o$ 32 degrees'

3'+ ,he riggers on he !oa failed o s op he *o! and $sed a poor rigging e#hni $e /single line s inger hook+'

4'+ ,he #rane opera or failed o o!ser5e he rigginge#hni $es prior o s ar ing he lif '

Corrective Actions To Prevent ecurrence:1'+ 6 ili e %o-par slings %hen lif ing similar #argo !aske s' .'+ Crane opera ors and riggers sho$ld al%a&s main ain a

minim$m angle of 0 degrees !e %een he sling and he load'

3'+ S$per5isors m$s reinfor#e he ne#essi & of s opping he *o! %hen proper rigging is no !eing $sed'

4'+ S$per5isors sho$ld re5ie% his #omm$ni#a ion %i h all #rane opera ors and riggers d$ring a safe & mee ing'

igging u!es of Thum":1'+ 6se he same n$m!er of pi#k$p slings as he n$m!er of o-

rings on he load rigging'.'+ 7a#h sling leg sho$ld !e a leas e $al dis an#e !e %een

he load pi#k$p poin s /forming an e $ala eral riangle+ regardless of %he her $sing a single s inger or %o legged hook$p' ,his %ill al%a&s gi5e he preferred 0 degree sling angle' / ig$re 3+

#igure $: %imi!ar cargo "as&et 'ith incorrect s!ingang!e(

#igure ): %imi!ar hoo& point 'ith incorrect s!ingang!e * ha+ard(

#igure ,: u!es of Thum"

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