Update December 2015 Donald Dobson Health amp Safety Executive Offshore Division Dropped objects quarterly totals 2015 All Incidents Derrick amp Well Ops Dropped Objects January to December 2015 ID: 504592
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Slide1
Dropped Objects Update December 2015
Donald Dobson
Health & Safety Executive
Offshore DivisionSlide2
Dropped objects – quarterly totalsSlide3
2015 - All IncidentsSlide4
Derrick & Well Ops Dropped Objects – January to December 2015Slide5
Derrick etc. Dropped Objects 2015
Top drive hose or winch wire snagged wireline gooseneck (5.6kg) which was dislodged & fell 10m to deckSlide6
Crane & Lifting Operations – January to December 2015Slide7
Crane & Lifting Operations
“During
the lifting operation the anchor chain released its connection at the body of the
air hoist. The length (5m) of the chain that fell onto the deck weighed around 22 kg. The anchor chain was not under load, the work party were well
clear of
the descent path and no one was injured
.”
Lifting crane from boom, piece of wood (2.6kg) came loose & fell 5.85m
Preparing to take water from supply vessel, hose caught by vessel propeller, ripped off
&
fell into seaSlide8
Other dropped objects – January to December 2015Slide9
Other Dropped Objects - 2015
1m section of 1” deluge pipework (4kg) found on “I” beam 2m below; compression union vibrated free
(NUI) Metal bracket (5kg) from structural beam found on grating having fallen 6m
Section of pipe support (3.6kg) detached from produced water line & fell 7m to deck of production module
Rope access team member brushed against corroded
unistrut
& speaker; assembly (15kg) fell 2.4m to deck
During adverse weather access hatch (5.8kg) fell 6.5m to walkway
Section of lagging (3kg) found detached from redundant fire ring main, having fallen 18m to lower deck
Rubber mat (20kg) lifted off roof by helicopter downdraft, falling 18mSlide10
Other Dropped Objects - 2015During adverse weather corroded section of cable tray detached & fell to deck.
Door (2kg) of electrical cabinet on
telecomms
tower found having fallen 20mSlide11
Dropped Fittings by Age of Installation – 2013 to 2015Slide12
Dropped Fittings by Age of MoDU – 2013 to 2015Slide13
Dropped Fittings by Age of Platform or FPSO – 2013 to 2015