Relaying headstones? - What base is needed???

Patio flagstones (slabs), concrete flags, stone flags including yorkstone and imported flagstones.
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Gollop
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Joined: Tue Oct 04, 2005 12:49 pm
Location: South East

Post: # 9784Post Gollop

I have to lay flat some headstones in a cemetery job so they are safe and can be mown over. What base should I use underneath, obviously the ground is disturbed and I want the 'laid flat' headstones to stay put and not crack??
I was thinking a 30-40mm semi dry mix (4:6:1). Depth is also an issue as we do not want to be exhuming any bodies!!!! :(
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Tony McC
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Post: # 9794Post Tony McC

40mm of a semi-dry mix will not be adequate. That sort of bed is fine for foot traffic on a patio, but for a cemetery with motorised mowers you'll need at least 100mm of ST1 (1:3:6) concrete.

I wouldn't worry too much about uncovering any remains - they're usually much deeper than that! We had a maintenance contract for a private cemetery for several years, and even the most cack-handed, disaster-prone, thick-as-porcine-excrement apprentice let loose with a mini-digger never managed to disturb any bodies.
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