TITLE: Title
Storm Water Design Standards - future considerations
PURPOSE: The purpose of this item is to provide the Board of Aldermen an opportunity to discuss possible future changes to storm water design standards in light of recent flooding issues and concerns about climate change.
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DEPARTMENT: Public Works Department and Planning Department
CONTACT INFORMATION: George Seiz, Director of Public Works, 918-7427;
Patricia McGuire, Planning Director, 9187227; Randy Dodd, Environmental Planner, 919-7426; Henry Wells, P.E., Town Engineer, 919/859-2243
INFORMATION:
Last fall the Board of Aldermen expressed an interest in having a discussion about possible future changes to storm water design standards. The interest in this subject stemmed from a significant rainfall event (June 30, 2013) and also from concerns about climate change. In order to help facilitate a discussion on this matter Town staff is providing the following information:
1. Recent flooding concerns (Map)
2. Basis for Carrboro Storm Water Design Standards
3. FEMA Repetitive loss
4. Update on various storm water problem areas
1. Recent Flooding concerns
On Sunday, June 30, 2013, the Town experienced a significant rainfall event which created flooding at several locations within the Town and surrounding communities. Approximately five (5) inches of rain fell over a twelve hour period, but more importantly a little over 3 inches of rain fell in just two hour towards the end of the event. Important to note is that rainfall was relatively consistent throughout the area based on the similar recorded amounts in rain gauges at Public Works (south part of Town), a rain gage on Oak Ave. (central), and at the Horace Williams airport (E of Town).
Emergency services personnel responded to many calls about street flooding and water coming out of stream banks. Several homes in the town experienced flooding including a few homes along Tom's Creek and unfortunately ...
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