Definition of LID performance standard


LID performance standard means matching developed discharge durations to pre-developed durations for the range of pre-developed discharge rates from 8% of the 2-year peak flow to 50% of the 2-year peak flow.


LID performance standard means matching developed discharge durations to predeveloped durations for the range of predeveloped discharge rates from eight percent of the two-year peak flow to 50 percent of the two-year peak flow.

Examples of LID performance standard in a sentence

Projects qualifying as flow control exempt in accordance with Section 2.5.7 of this chapter do not have to achieve the LID performance standard, nor consider bioretention, rain gardens, permeable pavement, and full dispersion if using List #1 or List #2.
If the applicant elects or must use the LID performance standard option of Core Requirement #5, they shall provide design details of all BMPs that are used to help achieve the standard, and a complete computer model report including input files and output files.
Projects qualifying as flow control exempt in accordance with Section 4.7 of this Appendix do not have to achieve the LID performance standard, nor consider bioretention, rain gardens, permeable pavement, and full dispersion if using List #1 or List #2.
Projects qualifying as flow control exempt in accordance with Minimum Requirement #7 do not have to achieve the LID performance standard, nor consider bioretention, rain gardens, permeable pavement, and full dispersion if using List #1 or List #2 of the Ecology Manual.
Projects or threshold discharge areas of projects qualifying as exempt from the flow control facility requirement using the Direct Discharge Exemption in accordance with Section 1.2.3.1 do not have to achieve the Low Impact Development (LID) performance standard (described below), nor consider bioretention, permeable pavement, and full dispersion.