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NC-2009 SSc6.1:Stormwater Design—Quantity Control

Waiver for Quantity Requirement

We have a project where infiltration is not possible as the soils are D type. Can the quantity requirement be waived and we still get credit as we meet the rate requirement or is the credit out of reach? No reuse is planned for the project.

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Profile picture for user Mike Dee
Michael DeVuono
Regional Stormwater Leader
Arcadis North America
LEEDuser Expert
144 thumbs up

Thu, 05/02/2013 - 17:26

You need to reduce the volume. There is no way around that. A D soil is not necessarily the kiss of death. Look into BMPs that promote evapotranspiration, such as raingardens and ammended soils in the lawn area.

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