On 25/12/2017 22:08, Andy Wade wrote:
On 25/12/2017 18:18, John Rumm wrote:

I feel I have missed something?

Access for inspection and testing? You might not want an earth pit[*]
visible FVSO "indoors".

[*] e.g.https://www.screwfix.com/p/plastic-i...-pit/59527#_=p

ISTM if you have a slab floor, having one you can lift for access to
your inspection pit[1] would not be unreasonable.

[1] or more typical terminal cover:

https://www.tlc-direct.co.uk/Products/MTETC.html


--
Cheers,

John.

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