SW5201101_Application_20201208

IV. PROJECT INFORMATION
1. In the space provided below, briefly summarize how the stormwater runoff will be treated.
Stormwater will sheet flow across the property to existing wetlands and streams
2. a. If claiming vested rights, identify the supporting documents provided and the date they were approved:
❑ Approval of a Site Specific Development Plan or PUD Approval Date:
❑ Valid Building Permit Issued Date:
❑ Other: Date:
b.If claiming vested rights, identify the regulation(s) the project has been designed in accordance with:
❑ Coastal SW -1995 ❑ Ph II - Post Construction
3. Stormwater runoff from this project drains to the Tar-Pamilico River basin.
4. Total Property Area: 17.13 acres 5. Total Coastal Wetlands Area: 0 acres
6. Total Surface Water Area: 0 acres
7. Total Property Area (4) - Total Coastal Wetlands Area (5) - Total Surface Water Area (6) = Total Project
Area': 17.13 acres
+ Total project area shall be calculated to exclude the following: the normal pool of impounded structures, the area
between the banks of streams and rivers, the area below the Normal High Water (NHM line or Mean High Water
(MHM line, and coastal zvetlands landzvard from the NHW (or MHM line. The resultant project area is used to
calculate overall percent built upon area (B UA). Non -coastal wetlands landzvard of the NHW (or MHM line may
be included in the total project area.
8. Project percent of impervious area: (Total Impervious Area / Total Project Area) X 100 = 23.9 %
9. How many drainage areas does the project have?1 (For high density, count 1 for each proposed engineered
stormzater BMP. For lozv density and other projects, use 1 for the whole property area)
10. Complete the following information for each drainage area identified in Project Information item 9. If there
are more than four drainage areas in the project, attach an additional sheet with the information for each area
provided in the same format as below.
Basin Information
Drainage Area 1
Drainage Area _
Drainage Area _
Drainage Area
Receiving Stream Name
Coole Creek
_
Stream Class *
WS-IV; NSW
Stream Index Number *
28-24
Total Drainage Area (so
17.13
On -site Drainage Area (so
17.13
Off -site Drainage Area (so
N/A
Proposed Impervious Area** (so
178,160
% Impervious Area** (total)
23.9%
Impervious— Surface Area
Drainage Area 1
Drainage Area _
Drainage Area _
Drainage Area _
On -site Buildings/Lots (so
N/A
On -site Streets (so
N/A
On -site Parking (so
N/A
On -site Sidewalks (so
N/A
Other on -site (so
39,281
Future (so
138,879
Off -site (so
0
Existing BUA*** (so
0
Total (so:
178,160
Stream Class and Index Number can be determined at: http.aortal.rtcdeazr.or /zvg eh/zvq/ps/cst%lassif ications
Im ervious area is defined as the built upon area including, but not limited to, buildings, roads, parking areas,
sidewalks, gravel areas, etc.
*"* Report only that amount of existing BUA that will remain after development. Do not report any existing BUA that
is to be removed and which will be replaced by new BUA.
Form SWU-101 Version Oct. 31, 2013 Page 3 of 6