Q-2, r. 9.01 - Design code of a storm water management system eligible for a declaration of compliance

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106. The route followed by the water in the dry retention system by at least 80% of the runoff volume to be treated must have a minimum ratio of the width over the length of the flow path of 3 to 1, or a minimum ratio of the flow path over the length of the work of 3 to 1.
A flow path is the route followed by the water between an intake in a storm water management work and the outlet of the work.
O.C. 871-2020, s. 106.
In force: 2020-12-31
106. The route followed by the water in the dry retention system by at least 80% of the runoff volume to be treated must have a minimum ratio of the width over the length of the flow path of 3 to 1, or a minimum ratio of the flow path over the length of the work of 3 to 1.
A flow path is the route followed by the water between an intake in a storm water management work and the outlet of the work.
O.C. 871-2020, s. 106.