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Weep Holes in Retaining Walls

Posted by Gary RK on January 9, 2014 at 1:31pm in Landscaping

Some guidance/experience needed, please :-)

Spec: A 90-100cm high retaining wall, approximately 5m long with returns at each end. Sloping garden,away from the house, area above wall will be a patio, water discharge into linear drains and over edge, soil is clay, will be built using 7kn or hollow blocks (rebar'd and filled). Likely to be faced or rendered.

What would you do for weep holes - size, distance & quanity ?

Would you use any specialised weep hole fittings ?

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Tags: holes, weep
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Replies

  • Thermo January 9, 2014 at 4:40pm

    The more the merrier and the larger the better so if it suits the look something like 32 or 40mm pipe

  • Jez Young January 9, 2014 at 7:47pm

    Just done a cast concrete wall for the council (back section=) 5600l x 1200h spec was 3 holes @75mm = (gutter down pipe) wall back-filled with drainage stone.
    I realise that this work is function over form but If you much go smaller than 50mm holes there are higher chances of blockage / failure. Hope that helps 3314696848?profile=RESIZE_1024x1024

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