Special Locations Pool Rebar Bonding

Hi all, in a domestic pool installation, the contractor has formed the concrete base of a swimming pool, linked to the main house, and not bonded the slab rebar. My understanding is that the contractor will now need to expose the rebar and bond back to the main earth terminal. My concern is this will affect the integrity of the pool slab (future weak spots and leaking) and also whilst trying to achieve complete rebar continuity could result in many holes. I believe there is insulation and screed going on top of the slab (I maybe wrong), could a secondary earth nest be sat on top of the slab or would this create more issues by in essence adding secondary extraneous conductive parts?

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  • Hi, thanks for noticing the two posts are linked. We advised our client that we may have to go down the 'TT' route, as I personally wasn't comfortable with two supplies into the one same building. (especially as the primary supply is two phase which I am not completely familiar with). I should mention, for clarity the pool hall is internal forming part of the main building, it is not remote from the building. 

    I've not had chance to liaise direct with the DNO designer and query with them how they believe the the correct way to earth site based on them providing 2 supplies.

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