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Green Building Bible, Fourth Edition
Green Building Bible, fourth edition (both books)
These two books are the perfect starting place to help you get to grips with one of the most vitally important aspects of our society - our homes and living environment.

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Products: water pipe

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  1.  
    • CommentAuthorDiarmid
    • CommentTimeMay 4th 2014
     
    I need to run a water pipe from a cistern to the bothy I'm renovating. There are two possible ways to go about this.
    It's about 100m from the cistern to bothy. Other houses need to be supplied enroute too.

    !. use a digger to dig a trench and lay pipe along trench - problem is the bedrock is pretty near the surface in places.
    2. A pre existing concrete culvert lies along a significant part of the route and I'm thinking of laying or pulling an insulated pipe through this - this would mean I wouldn't be needing to split rock to lay another pipe and would significantly reduce the length of trench needing to be dug by about 50%.

    Question is what would be a suitable product for this?
  2.  
    Theres some preinsulated pipe available that has an outer corrigated plastic sheath for protection. I've used a multi core version to supply outbuildings . Perhap this might suit? Would the insulation need protection? If not would a heavy gauge polypipe do with pipe lagging
    • CommentAuthorjamesingram
    • CommentTimeMay 5th 2014 edited
     
    .
    • CommentAuthorjamesingram
    • CommentTimeMay 5th 2014 edited
     
    http://www.advancedwater.co.uk/header-374-369-COOL.html
    not cheap.They do one with a with an anti freeze cable also. Hideously expensive probably cheaper to blast through the rock ! Uponor do a similar product
    http://www.uponor.co.uk/en-gb/solutions/local-heat-distribution/cold-water-service.aspx
    Could you not just bury the polypipe just under the peat . Lag it where its shallow and just some kind of tape over for a bit of protection.
    My friend in Lewis had trouble with water pipe freezing from loch header not sure if that was buried though
  5.  
    The problem with insulation is that it only keeps heat in that is already there and is never perfect so if you get periods of little usage, say over night, and the water in the pipe is not replaced frequently enough it will freeze. Perhaps a water pipe with a trace heating tape alongside then insulation, (as used on farms), purchased as component parts and built up on site, tho lots of care must be taken to ensure the good fitting of the insulation.
    • CommentAuthorDiarmid
    • CommentTimeAug 24th 2014
     
    We now have a pipe running down from the borehole to the bothy. Is it wise to have a large tank at the borehole or can we just pump it down to the bothy which is about 350m away? I am persuaded just to pipe it directly but what about if there's a power cut - unlikely these days.

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