Exisitng patio slabs and new pools

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jsalazar233

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Vacaville California
Does the 2002 NEC require that an existing patio slab that is not part of a new in ground pool structure need to have the existing reinforcement in the slab exposed (i.e. break up the concrete) and bonded to the rest of the pool structure? In one case assume it is 4.5 feet away from the pool of the pool. In another case assume it is 10 feet away from the pool.
 
I have allowed this question to be posted, because it is a ?do the rules apply? type question, and not a ?how do I do? type of question.

I remind the originator that we are not permitted to assist a person, who is not an electrician, but who intends to perform electrical installation work at home. If this question will help you deal with an electrical contractor or an inspector, in the planning of your project, we can help you. But if you are building this pool yourself, we cannot give you any ?how to? advice.
 
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Pool

Thank you for allowing the post.

I am a code official trying to determine how others in code enforcement interpret that section of the NEC related to the bonding of reinforcement steel for pools. Specifically interpretations associated with bonding or not bonding the reinforcing steel of adjacent exsiting patio slabs.
 
as far as the 4.5' slap would fall under rehab o rexisting and as far as the 10' not I do also beleve that it would not be nessarry. also take into account you are only bonding the inside 3' and not the entire deck.
 
I wouldn't consider an existing patio slab a structural element of a pool. Heck, I don't even think a new pool deck is a structural element of the pool -- it doesn't have to exist for the pool to work right, just the pool shell and the coping stones. Therefore, no bonding of the rebar should be required. But if it is within 3' of the pool, then you may need to cut grooves for the bonding grid. I don't believe there are any requirements for the pool deck bonding grid to tie to any rebar in that deck.
 
We do not make them bond the existing patio. Remember (unless you have a specific ordinance) that steel is not required in a deck, walkway or patio.

Sure would be a sin to have them break it up and find out there wasn't any steel in there.
 
I agree that 2002 good to go , 2005 the Grid only has to extend out 3' , even if the deck or paved surface is 100' wide , It has to extend out regardless if the paved surface has reinforcing steel or not.
 
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