Lots of discussion this week around Water Storage systems. We explored a number of options for storage but ultimately ended up deciding on installing Polyethylene tanks into basement.
Options considered were Made in BC, and NSF Food Grade
Polyethylene
Pro: Good volume per sqf of floor, Moderately Priced, Easy to clean,
Con: Must be tethered to foundation so it doesn’t lift building (in flood)
Concrete tanks (built in place)
Pro: Highest volume per sqf, best integration into building
Con: Expensive, difficult to build proper lid, would require proper engineering, waterproof concrete additives expensive, High water table added a lot of engineering, material and labour costs,
Concrete Tanks (pre-formed)
Pro: Simple to install
Con: Expensive
Bladder Tanks
Pro: Inexpensive, Flexible, no need for tethering (due to high water table), inexpensive shipping
Con: harder to clean, Least volume per sqf
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