Near miss – Grating dislodged and fell, leading to crewman slipping

  • Safety Flash
  • Published on 5 October 2017
  • Generated on 29 August 2025
  • IMCA SF 24/17
  • 2 minute read

During flow-line installation work on an oil platform, a section of plastic grating became dislodged as a crewman stepped on it.

What happened?

The incident occurred when crew were making up a flange bolted connection, on a hang off platform (HOP).

A member of the rigging team slipped into the gap but did not fall further, and was uninjured. 

The piece of grating, which measured 90 cm x 30 cm and weighed 5 kg, fell into the sea.

242

hang off platform (HOP)

243 520X338

piece of grating that dropped

244

grating clip used for securing

What went wrong? What were the causes?

It was assumed that the grating securing clips had come loose and fallen off, due to the flexing of the entire HOP during operations.

There was no potential for persons to slip fully through the gap created by the dislodged grating due to the size of the gap.

What lessons were learnt? What actions were taken?

  • The rigging team held a time out for safety, then made a proper check of the security of all areas of the HOP.

  • Before starting work again, the grating section was replaced and secured in place.

  • The team members working on the flange were wearing full fall-arrest equipment and were clipped on.

  • The surrounding area covering the HOP was completely barriered off.

A subsequent ROV sweep grid survey was completed, and the grating section was located and recovered to deck by ROV.

Latest Safety Flashes:

UK HSE: Motion Compensated Gangways Auto-Retraction

The UK Health and Safety Executive (HSE) has published Safety Notice ED03-2025

Read more
Brazil: diver permanently disabled after decompression illness

Conviction of diving company upheld as work accident suffered by a diver who lost strength in his upper limbs and the ability to move, requiring permanent use of a wheelchair.

Read more
Diver reports unwell post-dive: non-decompression illness

A diver experienced a dizzy spell about one hour after completing a diving operation

Read more
Shore-side crane boom collides with vessel mast

During shipyard lifting operations, the boom of a dock crane made contact with the vessel mast.

Read more
Injury sustained while operating steel lifting magnet

While preparing to transfer steel plates using a steel lifting magnet, a crew person was injured.

Read more

IMCA Safety Flashes summarise key safety matters and incidents, allowing lessons to be more easily learnt for the benefit of the entire offshore industry.

The effectiveness of the IMCA Safety Flash system depends on the industry sharing information and so avoiding repeat incidents. Incidents are classified according to IOGP's Life Saving Rules.

All information is anonymised or sanitised, as appropriate, and warnings for graphic content included where possible.

IMCA makes every effort to ensure both the accuracy and reliability of the information shared, but is not be liable for any guidance and/or recommendation and/or statement herein contained.

The information contained in this document does not fulfil or replace any individual's or Member's legal, regulatory or other duties or obligations in respect of their operations. Individuals and Members remain solely responsible for the safe, lawful and proper conduct of their operations.

Share your safety incidents with IMCA online. Sign-up to receive Safety Flashes straight to your email.