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Safety fence for top of retaining wall

Howdy folks,

I've recently taken over grounds maintenance for a small block of flats, and the management secretary has asked me to quote for the installation of a safety fence for the top of a retaining wall on the boundary.

The block is built on the side of a hill and there is a retaining wall built flush to the grounds with a drop to the neighbours gardens 2m below.

Currently there is nothing to stop a visitor/grandchild etc going headfirst over the edge.

I was thinking that a chain link fence would be best to stop anyone toppling over, but what is the recommended height - 1m, 1.2m, 1.5m - is there a standard to follow ?

Also, I've not done chain link fencing before, any advice or tips and tricks for installation ?

Thanks in advance as always,
Russ.

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Replies

  • Why not got for a picket fence, its a bit prettier, got for something 1.2 high. Maybe if the wall is sound use met plates and bolt them to the top of the wall using kem-fix and studding.

  • I second Kieran; fix to top of wall with galv plates and bolt with resin or expanding bolts.
  • Personally I really wouldn't want to bolt on to the top of the wall.

    Chain link with concrete posts is a lot safer and rot proof compared to wood. If you can set the fence back from the wall even a foot it will be a bonus as digging should be ok. If the run of fence is straight chain link should not be an issue to install and it comes in various sizes.

    Your 2 end or anchor posts are put in first with brace to withstand the tension you will put through the main wires. Then set your other posts and roll and fix the chain link. My tip would be to set the 2 end posts just off level (leaning away from each other) to allow for some movement when tensioning. You can buy clip guns for attaching the chain link or wire and pliers your choice.

  • i would think the management company should specify what type of fence/materials/height and fixing they want otherwise you would be left open for prosecution if Any thing happened

  • Are you fully experience at such a job, Russell? If not I would ask 2 or 3 GOOD local fencing companies to meet with you and see what they come up with and costings. Put an estimate together for the client, with various alternatives and let them make the final decision. Add a percentage profit on for yourself for the management of the job.

  • PRO

    I agree with Colin. If you are not overly experienced and it fails and results in injury, you will be liable. If you are not confident, best put it out to someone or put the onus on the management company.
    It's a bit awkward if you have only just got the job but at least it will show safety is your priority.



    Colin Hunt said:

    Are you fully experience at such a job, Russell? If not I would ask 2 or 3 GOOD local fencing companies to meet with you and see what they come up with and costings. Put an estimate together for the client, with various alternatives and let them make the final decision. Add a percentage profit on for yourself for the management of the job.

  • Thanks everyone for the advice (and cautions !), as always good to hear your opinions. Picket would be prettier, but I think budget and longevity point more towards chain link. The top of the retaining wall is pretty flaky, I wouldn't trust fixing to it. I'd look to set the posts separately.

    At the moment they were just after an estimate to discuss at the tenant's AGM. I have given them a ball park figure for the moment and left the spec/height to them. Should the job come through, I'm confident I can build to a standard that is safe and fit for purpose.

    Pictures tell a thousand words, here's a couple of snaps of the location.
    3314646416?profile=RESIZE_1024x1024

    3314642670?profile=RESIZE_1024x1024

    One of the tenants has a mini allotment right next to the drop !

  • big drop, you want nothing that's secured to the top of the wall. it needs to be either the land side concreted in or anchor and resin fixed to face on the outside. I would ask for at least a steer from the management company as to what they want there. we do plenty of fencing and that's what I would do. Personally I wouldn't go the chain link route, id much prefer to put something on with a top rail that has more stability

  • good point about top-rail. i wonder if they need the 'view' ? needs a proper good job there ! £1-£2k should do it.

    Thermo said:

    big drop, you want nothing that's secured to the top of the wall. it needs to be either the land side concreted in or anchor and resin fixed to face on the outside. I would ask for at least a steer from the management company as to what they want there. we do plenty of fencing and that's what I would do. Personally I wouldn't go the chain link route, id much prefer to put something on with a top rail that has more stability

  • Big drop that, around 2mtrs by the look of it, holding back a massive weight of soil. I wonder if the single brick width runs all the way down?

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