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Semi-permanent over tarmac cable protector.

Discussion in 'Electrics UK' started by dhutch, 25 Mar 2014.

  1. dhutch

    dhutch

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    The student motorclub at my old Uni have just had permission to run a semi-permanent cable over the access road on campus, between the lockup garage the have, and the area they have to work outside by estates.

    I expect I will make some more posts on this, but in the mean time can someone point me in the direction of some suitable cable protector than can take a cable and then be fixed down to the tarmac.

    So far I have seen extruded rubber things, that you might use for an afternoon but cant be fixed, and larger things with hinged tops, but ideally we would have something half way, that can be fixed down but isnt to big and doesnt have a opening top.


    Daniel
     
  2. conny

    conny

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  3. dhutch

    dhutch

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  4. ericmark

    ericmark

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    A floor saw costs £81.85 a day to hire from HSS Hire so the speed ramp with cable channel is a cheap option. An SDS hammer drill costs £28.80 sure I bought my first one for less than that.

    I have cut groves with an angle grinder and made a channel but it's not an easy task and there are some dangers using a 9 inch grinder and attached to Uni what will their insurance allow.

    Overhead is likely cheap option think off hand 6 meters where vehicles move and 3.5 meters else where.
     
  5. dhutch

    dhutch

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    If it where me, I would go for a trench every time, but the university for some reason seem very keen it can be removed, and have offered a suitably protected 'over the road' solution as there preferred option.

    Traffic will mainly be estates ground care tractors, trailers, vans, and the motorclubs use for cars and occasional bikes. Its a small dead-end access road, but the traffic is maybe 10 items a day in each direction.

    Overhead is clearly the other option, but clearly needs a pair of large poles! Total distance would require 2-3 of the above ramps, to go over the road, and then through the work-area.


    Daniel
     
  6. OwainDIYer

    OwainDIYer

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    if it's a dead end can you just take the cable the long way round down to the end and back up the other side.
     
  7. dhutch

    dhutch

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    Not really, as its would increase the length from about 15ft to about 350ft to include a rough area of hard stand estates use for storage and the like.

    In fact, the actually then lets out on the running track, and its going going all round that and the stands/buildings.. list goes on!
     
  8. bernardgreen

    bernardgreen

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    Make sure you have written permission and acceptance of the method used. The document needs to be signed by a person who has the necessary authority to give permission.

    Without that document you will be in a dodgy position if there is any accident and / or injury that in any way involves the cable.
     
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  9. JohnW2

    JohnW2

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    Good advice - as far as it goes. However, I'm not at all sure that having documented permission from a person in authority would, in the event of an accident/injury, necessarily alter (or reduce) the responsibility/liability of the person(s) who actually did the installing, would it?

    I could give an electrician my written 'permission' to do the most diabolical things to my electrical installation, but I don't think that would help him/her much if the things they did (with my 'permission') resulted in death or injury, would it?

    Kind Regards, John
     
  10. dhutch

    dhutch

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    It will be installed with estates permission, but valid point about getting something signed (and hanging onto it) or perhaps having them supply the man who actually drills the holes in the tarmac and bolts it down, to negate any issues that might arise in the future.

    Daniel
     
  11. DIYnot Local

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