Update February 2016 Donald Dobson Health amp Safety Executive Offshore Division Dropped objects quarterly totals 2015 All Incidents Derrick amp Well Ops Incidents 2015 Derrick amp Well Ops Dropped Objects 2015 ID: 535808
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Slide1
Dropped Objects Update February 2016
Donald Dobson
Health & Safety Executive
Offshore DivisionSlide2
Dropped objects – quarterly totalsSlide3
2015 - All IncidentsSlide4
Derrick & Well Ops Incidents2015Slide5
Derrick & Well Ops Dropped Objects – 2015Slide6
Derrick etc. Dropped Objects 2015
During rope access inspection of crown, spanner (0.3kg) detached from lanyard & fell 64m to pipe deck
While running 10-3/4” casing
Topdrive Casing Alignment Tool (T-CAT) piston rod (4kg) detached & fell 15m to rig floor. (Diller picked up too high putting weight of casing string on single-joint elevators)Slide7
Derrick & Well Ops Dropped Objects – 2016Slide8
Derrick & Well Ops Dropped Objects – 2016
Piece of angle iron (7.75kg) detached from draw-works HVAC ducting & fell 20m to doghouse roof & striking glancing blow to IP’s hard hat (IP received first aid for stiff neck)Slide9
Crane & Lifting Operations – 2015Slide10
Crane & Lifting Operations - 2015
Steel inspection hatch (3.6kg) fell 7.6m from crane air intakeSlide11
Crane & Lifting Operations – 2016Slide12
Lifting Operations 2016
Lifting LMRP, 10ft piece of
dunnage
fell 7m from LMRP to deckMoving gravel pack engine (15 Tonne), crane main hoist wire failed; load descended 6m to deckDuring lift through hatch, steel section (14kg) caught by tag line and fell 5.4m to level below.Slide13
Other dropped objects – 2015Slide14
Other Dropped Objects - 2015
Redundant vent pipe cowling (1.8kg) fell 10m to 15m to cellar deck in high winds
Sheet steel insulation (2m x 0.25m) believed to have fallen 30m from exhaust stack to deck
GPA warning beacon (20kg) parted from mounting and fell 2m to extent of cable. Combination of high wind and incorrect bolt.
Unsecured spanner (1.2kg) fell through deck penetration 8m to grating below
Tubular handrail (1kg) fell 11m to cellar deck (corroded welds)
Hammer head (3.2kg) fell 4.8m to scaffold platform (hammer shaft broke)
Fibreglass cover (7kg) to helideck fire hose box detached by wind to fall 6.8m to walkway
During storm, scaffold board (14kg)worked loose & fell 16m to level
below
Section of turbine exhaust (50kg) came adrift inn high wind & fell 3m to deck
After storm scaffold access platform under cellar deck found damaged with sections missing or hanging 15m belowSlide15
Other dropped objects – 2016Slide16
Other Dropped Objects – 2016
120
o
section of conductor buffer (20kg) found detached from deck, landing on scaffolding 9m belowHammering loose corrosion prior to cutting & removal, section of diesel pipe-work (5kg) detached & fell 3mSection of steel cladding (7kg) from 18” pipe, detached & fell 5.5mPart of turret wind wall cladding (15.6kg) dislodged by high wind (74kt gusting to 97kt); blown directly into sea.
During high winds, 9 scaffold boards (18kg each) supporting stairwell cladding dislodged and fell between 3m & 11m
During high winds, section of helideck panels (180 kg) came free from mounting & fell 13m to crane pedestal
Instrument tech dislodged scaffold pole (8.9kg) which fell through deck penetration to deck below, having previously fallen 3m in to
mech
workshopSlide17
Dropped Fittings by Age of Installation – 2013 to 2016Slide18
Dropped Fittings by Age of MoDU or Flotel
– 2013 to 2016Slide19
Dropped Fittings by Age of Platform or FPSO – 2013 to 2016