Underground water tank

JimG · 2014-04-21T18:16:40+00:00

I'm looking to get some guidance from fellow members of the forum in an are a where I don't have much experience viz the DIY construction of an undergr ound concrete water tank. The tank is for collection of water from land dra ins - for subsequent usage as irrigation when required. The soil in heavy clay and the water table is quite high. The proposed int ernal dimensions of the tank are 2.85M x 1.5M x 1.5M deep and the top surfa ce of the tank will be 0.25M below ground. The research I have done so far suggests the best way to go is to use 100mm dense hollow cement blocks with 6mm rebar every 100mm vertically and filli ng each block with concrete mix. 6mm rebar would be placed between every co urse. Base to be 4" with A142 mesh. Is this a reasonably sensible approach, given that I'm retired and have lot s of time available. And also how should I tie in the sides to the base? Any guidance would be much appreciated.

Apr 21, 2014 40 Replies

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Bill 12 years ago

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Underground water tank

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