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Earthing on a black bag landfill

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Prospero

Prospero

Electrical
Joined
Jan 9, 2003
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12
Location
GB
A client wants to build a new works on a disused landfill. There will be a number of 11/0.415KV substations on site.

FYI - there will be a 1-2m aggregate capping layer and hardstanding.

Does anyone have any experience of how to approach the earthing in such a situation?
 
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With everything sitting on a big insulating plastic layer, seems like it will be bonding rather than grounding. Be sure to include plenty of mechanical flexibility to allow for significant settlement as the garbage decomposes.
 
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