Is there a method to calcuate the size of a catch basin or sump for collecting roof drains or water bottoms off a storage tank? Been searching through API650 and I cannot find a general equation which relates the tank size to the size of the catch basin. Any help would be appreciated
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Sizing of a catch basin for roof drains and/or water bottoms
- Thread starter HFCkh
- Start date
I’ve never heard of a code required size or a special formula. 650 certainly doesn’t have one. I think you just use common sense considering: 1) the expected flow rate, 2) the frequency of use, and 3) the amount of water expected (in the case of a water bottom collection.)
The expected flow rate is a function of the max height, the diameter of the sump / drain piping, and in the case of floating roof drains, the max rainfall rate.
The expected flow rate is a function of the max height, the diameter of the sump / drain piping, and in the case of floating roof drains, the max rainfall rate.
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