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Old 22 October 2004, 10:44   #11
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Originally Posted by Pete7
Jono, what was the arrangement on the Prosport with the D6 ?

Pete
D3 - auto fire extuinsher

I havent seen a coded open boat with vent that shut off. I seem to remember the surveyor mentioning somthing about engine rooms.
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Old 22 October 2004, 16:46   #12
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Vent

On an inboard there must be a vent flap or other device to close air intake.

Common solution is a metal box intake with a flap of metal than can be closed by say pulling of a pin. This will be preferred option or even better would be a remote via a morse cable. Alternatively a "glove" may be placed over the intake on a protruding pipe intake.

All very easy to sort - a quick engineering solution I would say less than 100.

Cheers

John
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Old 22 October 2004, 16:52   #13
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"14.1.2.3 - An engine space should be arranged that, in the event of a fire, the fire extinguishing medium injected can be retained for sufficient time to extinguish fire"

This is the part of the code that requires some form of vent closure, and it applies to any inboard engine installation.
Mark

This doesn't actually state the need for a vent closure althougth i would agree that it might be a reasonable interpretation. I wonder whether you might consider whether the surveyor is ideally matched to your type of craft. I know of some that take such a literal interpretation of the rules it is surprising they ever pass a boat whilst others take a far more realistic approach and assess each boat on its merits. I know of diesel ribs that happily passed coding without such vents having a shut off mechanism.

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Old 24 October 2004, 19:20   #14
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Fire flap

I agree with Paul that a pragmatic surveyor will interpret relevant to vessel as found.

You may though find that many surveyors are well experienced deep sea masters or chief engineers and will value the use of a simple mechanical system to slow down and eventualy stop fire.

The fact is that the surveyor has, on sight of the vessel, put this forward as his prefered option. Putting to the surveyor the paragraphs of the coding may not be the best solution when a simple engineering solution is available. ie. curse, groan, do it and smile !!

If I remember rightly (and happy to be stood corrected) the fire flaps are a requirement under SOLAS chapter 111 and the harmonised codes require any RIB over 8m to be built to a standard of SOLAS chapter 111. Thus a big can of worms can be opened here.

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Old 25 October 2004, 04:56   #15
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Thanks for all the replies.

I think a remote operated flap or sliding plate is the way forward, something to keep me busy over the winter.

Dont you wish legislation was more black and white and required less interpretation !
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Old 25 October 2004, 05:09   #16
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Quote:
Originally Posted by Mark Anderson
Dont you wish legislation was more black and white and required less interpretation !
Like the plain English campaign, or buying a house without the need for a solicitor to guide you through the minefield ? Yes

Agreed, some of the rules say "should" when they actually mean "shall"

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Old 30 October 2004, 16:41   #17
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I think we do the item you want off the the shelf, Call 01869 363636 (E.P Barrus Ltd) and ask for Special Products Division. Im pretty sure all the MoD 6 Clyinder Yanmars have this mod done to them for SOLAS approval.
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Old 31 October 2004, 05:44   #18
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Air flap

Quote:
Originally Posted by Turbodiesel
I think we do the item you want off the the shelf, Call 01869 363636 (E.P Barrus Ltd) and ask for Special Products Division. Im pretty sure all the MoD 6 Clyinder Yanmars have this mod done to them for SOLAS approval.

I think that may be the flap that shuts off the air intake to the turbo in the event of an inversion - as also fitted to Navy P22s?
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