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

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111. The permanent volume retention system must be open.
The minimum retention capacity of the temporary detention of the system corresponds to the water volume associated with a 100-year return period whose flow corresponds to the flow referred to in subparagraph 2 of the first paragraph of section 79. The capacity is calculated from the location where the water begins to be discharged by the flow control device.
O.C. 871-2020, s. 111.
In force: 2020-12-31
111. The permanent volume retention system must be open.
The minimum retention capacity of the temporary detention of the system corresponds to the water volume associated with a 100-year return period whose flow corresponds to the flow referred to in subparagraph 2 of the first paragraph of section 79. The capacity is calculated from the location where the water begins to be discharged by the flow control device.
O.C. 871-2020, s. 111.