estanque_koi
Koi Lover
Dec 14, 2005, 8:54 AM
Post #1 of 5
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PVC tanks on a terraced roof
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Hi,
I know the whole idea sounds quite crazy, but the fact is that since year 2000 I'm keeping Koi and breeding in the last 3 years in a 5th floor.
Started using PVC kiddie pools (1600 liters, 1500 liters and 600 liters), where maximum water depth is less than 40 cm (15.75 inches). The load is around 350 to 400 Kilograms per square meter and according to the architect is whithin safe limits (he said it doesn't matter how large surface is occupied by the tank, the important thing is that depth is around 35 cm or 45 cm at most. I can't still believe that I could place an even larger pool! 
I'm planning to bring another architect friend of mine to have a look and comment... 
I would like to replace the kiddie pools by a larger EPDM pool (but having the same depth)
In the meantime I have almost finished a new tank using special PVC linner, I'm attaching some pics.
You will notice that I used stirfoam to provide insulation but more important do be able to install the PVC pressure pipes for the bottom drain and the water return. Thanks to the foam I managed to slope the bottom of the tank to the drain.
The pics are not updated, I covered the wall next to the tank with flat stones and now it looks nicer.
all the best,
Diego
Diego Jordano
Spain
pers http://es.geocities.com/estanqueskois/
A.E.K. http://www.elkoi.com
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