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<strong>CHIRP</strong> Maritime<br />

■ The gases should be identified by signage with a<br />

‘Danger – No Smoking’ notice.<br />

■ If in doubt refer to COSWP Chapter 24.8.<br />

We have since received a report whereby a ship was taking<br />

on board an acetylene cylinder. The cylinder arrived on a<br />

one sided protected pallet, not suitable for lifting. Since<br />

the vessel’s cylinder cage was located in the forward part<br />

of the vessel, the supervising officer decided to use an<br />

onboard fabricated lifting tool consisting of a U-clamp<br />

welded to a cylinder cap and then lifted it on board!<br />

Fortunately there was no incident in this case but<br />

accidents involving gas cylinders can cause serious injury<br />

or even death.<br />

<strong>CHIRP</strong> Suggests<br />

The approved method for moving single oxy-acetylene<br />

cylinders is by a dedicated trolley. The use of a homemade<br />

tool to lift gas cylinders is not in compliance with the<br />

COSWP, nor does it indicate the existence of a robust<br />

safety culture on board. This activity should have been<br />

stopped.<br />

The above article was published in MFB45<br />

Article. 20<br />

Weighted Monkey Fist on Heaving Line<br />

When undertaking <strong>annual</strong> competency assessments in a New<br />

Zealand port I witnessed a heaving line being thrown from<br />

the raised forecastle of a bulker in ballast onto the foredeck<br />

of an ASD tug. It landed right beside the seaman on the tug.<br />

Without a moment’s hesitation the seaman whipped his<br />

knife out and cut the monkey's fist off the heaving line,<br />

then attached a new rubber heaving line weight to the<br />

ship's line, tied the tug's towline messenger to it and sent<br />

the whole lot back up to the ship.<br />

After the towage was complete we cut the very heavy<br />

monkey's fist open to find it had a large metal nut and<br />

bolt in its interior. If this had hit a tug crew member on<br />

the head it would have been lethal.<br />

I was most impressed that the seaman was so proactive<br />

towards safe operations but even more impressed that the<br />

towage company had, at their own expense, manufactured<br />

a safe alternative to gift to the ship's crew.<br />

A large metal bolt & nut were hidden in the centre of the<br />

monkey’s fist! The yellow rubber replacement heaving line<br />

weight is designed not to injure tug crews & not to bounce<br />

when hitting the deck.<br />

By Capt Arie Nygh<br />

<strong>CHIRP</strong> Ambassador<br />

21

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