billy10 Posted October 11, 2006 Share Posted October 11, 2006 When I have the pool "winterised " they pump out about 2 feet depth of water and put the covers on ( pool is 10 metres x 4.5 metres ) when I asked why they dont drain it I was told that you should never drain a pool completely because of the " forces in the ground" acting on the sides of the pool, anyone know if this is correct or just a bit pool mystique, I wanted to empty it so I could give it a really good clean on the sides , take out the fittings and clean them etc etc , but now I am not so sure ??? Link to comment Share on other sites More sharing options...
Poolguy Posted October 11, 2006 Share Posted October 11, 2006 BillyYou have touched on another problem with resin Pools.In SOME installations, hydroscopic pressure from below can cause theShell to 'float' out of the ground if there is not enough equalisingdownward pressure. This would cause the whole installtion to breakapart including your shell if the connection to pipe work held fastrather than yield to the upward pressure.This all sounds pretty dire, but it will not happen immediately,moreover having the pool empty for a day to clean would most probablynot do any harm at all. However I would choose the day carefully, notafter heavy rain and certainly not if the pool is at the bottom ofsignificant catchment.Having said that I cannot see why you want to drain it completely, asthat amounts to a lot of water cycling through your place for no realreason. If you empty it down to say 50cm then you can clean happily ina pair of gumboots with a pressure hose and then just filter out all ofthe muck. Be careful also where you send the waisted water as it isillegal to dump it into the storm water if it might end up into a watercourse.Please note that this addvice does not apply to liner pools whichshould NEVER be empied entirely, unless you are changing the liner ofcourse.Andrew Link to comment Share on other sites More sharing options...
billy10 Posted October 11, 2006 Author Share Posted October 11, 2006 Thanks Andrew, see what you mean, I will empty it to 50 cm to all that I want to Link to comment Share on other sites More sharing options...
BIG MAC Posted January 11, 2007 Share Posted January 11, 2007 I am curious how does one empty a pool in an area with combined storm and foul drains? Link to comment Share on other sites More sharing options...
Poolguy Posted January 12, 2007 Share Posted January 12, 2007 If its a 'public pool' that you are allowing guests to use then you arerequired to have a seperate fosse and soak away. If its a private poolthen you are premitted to empty into the storm water drains PROVIDEDthat you are not running a salt chlorinator. If you are then accordingto Europoean law you are required to empty into an evaporation pond,then collect the salt and dispose in the sea.(not easy)For your sitaution BIG MAC I cannot see a solution as I do not have allthe information, so I suggest you enquire at the local Marie.Andrew Link to comment Share on other sites More sharing options...
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