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PVC Water Pipe and Traffic Load

  • 16-05-2017 10:21pm
    #1
    shaunr68
    Registered Users, Registered Users 2 Posts: 555 ✭✭✭


    Evening all. Grateful for any advice please.

    I am digging a trench to run water and electricity supplies from the house to an outbuilding. Water will be 20mm MDPE (blue PVC stuff) and electric will be 6mm SWA armoured cable.

    They will be installed in the same trench approx 6m across a shale driveway. The ground is shaly/stony. Pipe and cable will be laid in sand.

    Trench is currently dug to 60cm depth and my back doesn't want me to dig any deeper. I'm thinking of laying the water pipe at the bottom and the SWA at 45cm depth.

    My question is do I need to worry about damage to the PVC pipe from traffic above? Normal daily traffic will be a transit sized van but also considering occasional heavy traffic such as a tractor.

    Also frost - will 60cm be sufficient? I plan to drain down and isolate the water supply to the shed over winter anyway.

    Many thanks.


Comments

  • #2
    _Brian
    Registered Users, Registered Users 2 Posts: 18,718 ✭✭✭✭_Brian


    You need to go deeper, 1meter would be standard for protection from damage and frost, you'll think you'll drain it down but you'll forget or be late at some stage.
    Domit right now and it'll be done forever


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