What are snap-back zones? 'Snap back zones are areas of the deck where the crew are at risk of being struck by one of the broken ends after a line has parted’. A snap-back zone should encompass every potential location in which a broken line end could traverse as it recoils from the point of failure (Clark, 2009).

2016年7月26日 · The two ends of the line recoil or snap-back towards or past their secured ends with great velocity and anyone standing within the snap-back zone risks serious injury or death. A snap-back zone is thus an area within which it is unsafe for persons to be positioned when ropes are likely to come under tension.

nder tension through snap-back or sudden movem. the mooring line in relation to the mooring line diameter d (D/d ratio) to reduce or mitigate be. standing the definitions in paragraph 2.1, LDBF of mooring lines made of nylon should be tested under wet and sp.

Snap-back is the sudden release of the energy stored in a tensioned mooring line when it parts as the mooring line reverts to its original length. The two ends of the line recoil or snap-back towards or past their secured ends. When a synthetic mooring line breaks, the snap-back effect can be extremely powerful and the rope ends may reach a

Where a mooring line is led around a pedestal roller fairlead, the snap-back zone area will change and increase in area. Where possible, lines should not be led round pedestals, except during the operation to moor the ship. Thereafter, lines should be …

5.3 Annex 1 – “Snap-Back” Zones. This Annex contains diagrams of simple and complex mooring systems, as well as an example of an actual mooring deck arrangement, illustrating the associated...

Areas onboard with a high probability of mooring line recoil are called snap back zones, and of course they are extremely dangerous for your ship’s crew. Failed mooring line ends can snap back wildly with high speed, releasing great amounts of energy and hitting anything standing in …

Snap back of ropes is one of the major causes of injury in mooring operations. Most seafarers are aware of what snap back zones are but it is quite rare to see this awareness taken into account when actually carrying the mooring operation.

Snap-back presents a significant risk to the safety of any personnel working in mooring areas on a ship, tug or quay. Measures should be put in place to mitigate the risk. For new ships, it is recommended that designers and ship operators work together to remove personnel exposure to snap-back during mooring operations.

2016年5月18日 · The latest version of the COSWP (2015 edition) has revised its guidance on snap-back zones and now dissuades the marking of snap-back zones on the deck. It recommends that the entire mooring deck should be considered as a potential snap-back zone and clear visible signage must be displayed to warn the crew.