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Durable lane surface without concrete/tarmac?

  • 04-01-2017 12:28pm
    #1
    Registered Users, Registered Users 2 Posts: 625 ✭✭✭


    I have a hardcore lane leading from my house to the road which is just over 100 metres long and varies in width from roughly 4-4.5 metres.  All along one side of it, a field slopes down towards the lane, and it's bounded by the bank of a small river on the other side.  There are two issues which need addressing - potholes and flooding.

    In heavy rain, anywhere from 3-10m of the lane will end up with surface flooding right across the width of it, with partial flooding over a further 10m or so.  This is not only because of the ground sloping down towards it on one side, but also because the lane's entrance is at the lowest point along the road for a good 80m in either direction and it descends away from the road itself, meaning a lot of surface water runs onto the lane from outside my property.  While the flooding is rarely worse than 2-3 inches deep, it can still take several hours to drain away after the rain has stopped.  This obviously doesn't help the structural integrity of the lane surface either, so potholes are a regular feature.  Smaller ones get filled occasionally just with a wheelbarrow or two of gravel and a rake, and the lane has been fully scraped & restoned using quarry dust a few times.  But while this hasn't cost a vast amount overall, it will only ever be a temporary solution as sooner or later the potholes will start to reappear.  It's really just a waste of money & effort when it doesn't last, and I'd like to work out the best way of eliminating these issues - and if possible, do so without pouring a whole lot of concrete on both cost & environmental grounds.  I've had a rough estimate of about four grand for concrete, which is a lot of money to me, but there's also the embedded energy/CO2 aspect which I'd rather avoid.

    So far, what I'm thinking of is to put a drainage pipe along the slightly lower side of the lane for about 15 metres, which would feed into a small "drywell" like this one and then the river, and make sure that the camber is improved to try & encourage more of the flood water towards/into that pipe.  However in terms of the surface, I'd need to know whether it's realistic to just use quarry dust & gravel, perhaps on top of a reinforcing mesh like this one.  Would it be worth installing kerbing along either side of the lane in order to prevent gravel etc shifting out of position?  Or will that approach overall be as ineffective/short-term as before?  Are there any other low-cost, low-impact alternatives to concrete/tarmac I haven't thought of?
    FYI the lane is used by two households, each with two cars plus the usual delivery drivers, occasional lorries for a fill of oil etc.  It has one fairly sharp bend, maybe 75-80 degrees.


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