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Old 04-12-2010, 05:31 PM   #1
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swimming pool bonding


Is it possible to bond a cement walkway around an inground fiberglass pool after the deck has already been poured?

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Old 04-12-2010, 06:15 PM   #2
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not without chipping out the concrete i wouldn't think.

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Old 04-12-2010, 06:27 PM   #3
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swimming pool bonding


Could more concrete be added around the pool decking with a bonding system? Thanks
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Old 04-12-2010, 06:35 PM   #4
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i believe that the idea of the bond isn't to tie in the concrete to ground but to tie the rebar system into the ground. A large ungrounded grid such as this can have voltages induced into it under certain circumstances.
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Old 04-12-2010, 06:51 PM   #5
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swimming pool bonding


There is no rebar in the deck, was wondering if it can be added to the new concrete that could be poured.
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Old 04-12-2010, 06:59 PM   #6
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swimming pool bonding


Do you have any metal within 5' of the water ?
But I think per the code you need bonding within 3' of the water

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The code requires that all metal within 5 feet of the water's edge be bonded together unless separated by a permanent barrier. Examples of items that are required to be bonded are: pool equipment motors, metallic pool equipment (such as filter housing), steel reinforcement (rebar), deck steel (rebar), forming shells (housing light fixtures), diving boards, slides, ladders, pool cover motors, metallic fences, etc. Bonding clamps must be installed per their listing. Bonding clamps for direct burial or concrete encasement shall be brass, copper, or copper alloy.

Note: New to the 2007 CEC is the requirement for an Equipotential Bonding Grid to extend under paved walking surfaces for 3’ horizontally beyond the inside walls of the pool. The acceptable grids around the perimeter of the pool shall be permitted to be any of the following:
  1. Structural reinforcing steel rods in the deck shall be minimum #3 rebar in an 18"X18" pattern at least 3ft. around the pool. The deck reinforcing steel rods shall be bonded to the pool reinforcing steel with at least one (1) #8 solid copper bonding jumper.
  2. Wire mesh at least 3ft. wide around the perimeter of the pool. The wire mesh shall be in the deck and bonded to the pool reinforcing steel with a #8 solid copper conductor at a minimum of four (4) points uniformly spaced around the perimeter of the pool.
  3. A #8 AWG bare solid copper conductor grid at least 3ft. wide around the perimeter of the pool, arranged in a 12"X12" pattern. The below –grade grid shall be secured within or under the deck media. The deck copper grid structure shall be bonded to the pool reinforcing steel with at least one (1) #8 solid copper bonding jumper.
Note: The prime reason for grounding metal parts is to bring all metal parts around the pool to ground potential and thus reduce the threat of shock hazard.
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Old 04-12-2010, 07:02 PM   #7
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if there's no rebar then there's nothing to bond to.
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Old 04-12-2010, 07:12 PM   #8
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swimming pool bonding


the light niche which is not metal and the handrail are bonded with the pump. No wire mesh or rebar was used in the concrete deck, we chose to use fibercrete for the deck. There is a tingle since salt was added to the fiberglass pool. There is 18 volts to the deck with all power disconnected. The power company has checked and there is voltage in the ground surrounding the pool. This is a DIY project gone bad!!! Was rebar or wire mesh needed in the deck for bonding purposes or if used in the deck required to be bonded?
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Old 04-12-2010, 07:31 PM   #9
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swimming pool bonding


Did you check the codes before pouring ?

Read my post on what is required for a grid around a pool or spa
Read NEC section 680 for what is required, 680.26 for the grid required

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