Industry News

Beware the curse of hydrostatic pressure after floods

June 6, 2016
A "popped" pool in Georgia USA following heavy rains. For more go to www.wivb.com
A “popped” pool in Georgia USA following heavy rains. For more go to www.wivb.com

This pool in the USA shows the danger of having an empty pool during or immediately after floods or heavy rains. While we don’t know if this pool was already empty before the downpour, the effects of hydrostatic pressure can clearly be seen. The buoyancy created by the soaked soil and the higher water levels has pushed the empty shell right out of the ground, damaging the pipework, paving and everything else around the pool in the process.

It is for this reason it is not recommended to empty a pool immediately after a flood, even if the water is unclean. It is an enormous job to get a “popped” pool back to usable condition – often requiring demolition and a new build.

Except for the most severely affected, almost all swimming pools and spas can be brought back to life after floods, storms and fire without the need to drain the water. In that instance it should always be left to a professional – a pool owner should never drain their own pool.

 



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