SW5231001_Response To Comments_20240216

Subject: Request for Additional Information
Stormwater Permit No. SW5231001
Raleigh-Durham International Airport Park Economy 3 Expansion
Wake County
RESPONSE TO COMMENTS:
Based on the 2/12 meeting with Mr. Farkas (NCDEQ), the following changes have been made.
1. SCMs 1,4, and 7 weirs have been revised to limit ponding depth to 15-in above soil level.
2. SCMs 2 and 5 weirs have been lowered by 6-in (approximately the"middle" between
original design and 15-in above soil)
3. SCMs 3 and 6 are unchanged.
4. Wetland media mix has been updated to match state statute.