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Old 10 June 2021, 19:43   #1
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Road legal trailer "adaptation"

Hi all, advice needed.
I've looked on the Internet but to no avail.

How much can I adapt an existing type approved road base trailer (would normally have a launch trailer on it) and stay within the law.

I want to add bunks for the tubes to sit on and I'd probably need to extend the towing hitch bar by 750mm. Is this OK? or would I need to go through the rigmorol of type approval?
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Old 10 June 2021, 20:44   #2
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Chances of getting stopped are probably slim to none if it looks ok it will only become an issue if there is an accident & even then unless its fatal unlikely to be checked. If your concerned couldn't you add a launch trolley to fit the boat & use the road base to carry the trolley your 100% kosher then
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Old 10 June 2021, 21:08   #3
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The road base trailer is ideal without a launch trailer as it can be completely dismantled (approx 12 bolts) so it can fit in the back of the truck when I'm towing the caravan. The idea being to assemble it when I'm on holiday for any length of time, use it for 1 - 2 weeks, dismantle it and then into the back of the truck.
I suppose the fact that it has a type approval plate from al-co will help.
Concerned about the towing hitch extension more than the bunks, but I suppose if it looks the part.........
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Old 10 June 2021, 22:08   #4
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Quote:
Originally Posted by beamishken View Post
Chances of getting stopped are probably slim to none if it looks ok it will only become an issue if there is an accident & even then unless its fatal unlikely to be checked.

Chances of getting stopped are not zero, but of the person stopping you knowing the rules is fairly low. I’d say it wouldn’t need to be a fatal accident to get a bit of a curious look by a traffic cop though - and if your boat is sitting on its side on the hard shoulder he has plenty of opportunity to take pictures and follow up with an expert before throwing the book at you.

With any routine stop the prospects of getting serious scrutiny depend not only on how dodgy or otherwise the load looks but also how you respond. Some people seem to be able to talk themselves into a charge and others talk themselves out of one!

I don’t know of anything stopping you adding bunks to a trailer (provided done sensibly so no dangerous pointy bits, or pushing the weight over limits etc). I’m sure it’s possible to add a longer nose/tongue to the trailer and not raise questions but that’s a significant structural part and would I am sure technically require you to resubmit the vehicle for inspection. Note you don’t need to do type approval (that would be expensive and complex) you would just be asking for individual vehicle approval (IVA). If you don’t need it (or decide to run under the radar) you can access the requirements documents on line and then check your modifications would pass; that would seem like a good way to stop it looking worthy of inspection if you pass a clued up cop.
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Old 10 June 2021, 23:02   #5
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AFAIK type approval only applies at point of manufacture.
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Old 11 June 2021, 07:37   #6
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Quote:
Originally Posted by Steve509926 View Post
The road base trailer is ideal without a launch trailer as it can be completely dismantled (approx 12 bolts) so it can fit in the back of the truck when I'm towing the caravan. The idea being to assemble it when I'm on holiday for any length of time, use it for 1 - 2 weeks, dismantle it and then into the back of the truck.

I suppose the fact that it has a type approval plate from al-co will help.

Concerned about the towing hitch extension more than the bunks, but I suppose if it looks the part.........
For what your using it for I wouldnt worry, just try to make your modifications look original & I doubt you'll get a second glance.
On the other hand if its a pre 1982 triggers broom then no need for a plate anyway and still legal to use[emoji6]
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Old 01 July 2021, 15:00   #7
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An update on the trailer question.

I got in touch with DVSA. They informed me that bunks would be OK as it is a means of securing the load to the trailer but lengthening the towing hitch wold necessitate an IVA as that is a major alteration.

Fortunately the trailer in question did not need to be made longer.

Started a new thread if anyone is interested

https://www.rib.net/forum/f49/carava...ler-86495.html
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