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Old 04 December 2004, 09:26   #1
tue
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Coding a RIB

Putting aside all the equipment needed to code a vessel, what are the standards the boat has to be built to. Can you get any boat coded or does it have to built to set standard?
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Old 04 December 2004, 11:22   #2
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Paul I think you won't have a problem with the Ribtec. Might be worth having a chat with the RYA, Mecal or YDSA to see if they have a 6.5 Ribtec coded already. Copy of the yellow code and the updated code from the MCA site are worth a good read. Couple of areas that spring to mind are hydro carbon detecor for under deck fuel tanks on Petrol outboard boats. Seats for passengers, and the height of the transom although I think there is some leeway there, so don't be put off.

Biggest expenses were the surveyor and the liferaft.

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Old 04 December 2004, 11:51   #3
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Thanks Pete. My main concern is the hull is 1997 so has no CE plate. Is this a problem?
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Old 04 December 2004, 14:46   #4
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Shouldn't be, my P22 is 23 years old and that passed with flying colours.

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Old 04 December 2004, 15:41   #5
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Paul do I not remember that tour transom is very low?
How much leeway do they allow?
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Old 05 December 2004, 07:06   #6
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Only at the point where the engine is mounted it has been cut down to about 3-4" from water line.
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Old 05 December 2004, 08:19   #7
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Does it really matter? I believe there are some RIBS designed for really rough conditions that have NO transom to let the water drain straight off.
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Old 05 December 2004, 12:52   #8
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You are quite right Codprawn The Atlantics have little ledges to hang the outboards off on an otherwise flat transom. I brought thius up when getting one of my boats coded and this particular surveyor was more interested in seeing that the boat passed the stab test. If they now ribs then it;s a lot easier.

You'd be down in Devon Tue that's do be where MECAL come from. Try ringing Bruce Sexton Barrow and asking him if it would see it as a problem. hes the tech director of MECAL. Tell him you are a friend of Joe Mearns and he suggested you ring him!
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Old 05 December 2004, 17:39   #9
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Coding and build

Min waterline height is 250mm to the lowest part of the transom to the WL.

I have in the past raised the point that where there is a cut out for the transom for the engine this area is minimal.

However a cut and dry surveyor could read quite absolute.

There are two solutions in this case.

1. Buy a longer length ouboards and increase the transom height (quite easy).
2. Build a second internal transom of say ply from tube to tube with integral drains.

With regards to TRUEs original point on build then the new codes request a build that would conform to SOLAS standards (on over 8m boats or ISO under). We SOLAS equivalence in place with full stability books etc etc.

TRUE refers the CE, ie RCD, and whilst this confirms a standard does not confirm a commercial standard.

The market has a quite mixed set of standards with ISO, RCD and MCD/SOLAS with taking into acount Lloyds, Veritas etc.

For the new codes ISO is accepted up to 8m, RCD is in theory only for recreational craft and a build to full SOLAS for most companies is expensive. However there is some latitude with the certifying authority who will look at all paperwork components.

John Fernley . MD, at MEACL is well recomened as being very thorough but pragamatic.

A mindfield for all but if the boat and operator have the right attidude then even with further correct stability and drop tests with decent scantlings then a good hull should achieve the grade.

Do not forget that the purpose of coding is to maintain a standard whereby the protection of passengers and crew is paramount This will result in some hulls failing as they are not suitable for the purpose. ie. a RCD hull does NOT mean it is suitable for passengers.

If we can help by e-mail then feel free to fire questions.


Cheers
John
www.quinquari.co.uk
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