Please make recommendations: What is a minimum floor grade for a 40' x 36' space with cement floors and a grated trench drain down the middle/center (running the long way)? (I.e. what should my slope be over 18' to a Polydrain?)
I want to make sure the space will be sanitary and stay dry, but also don't want too much of a slope as to have tanks at a dangerous angle or things rolling around.
I want to make sure the space will be sanitary and stay dry, but also don't want too much of a slope as to have tanks at a dangerous angle or things rolling around.
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