Loading...
HomeMy WebLinkAboutSW3191103_SSW Application NCC191800_pg 3_REV1_20191219IV. PROJECT INFORMATION 1. In the space provided below, briefly summarize how the stormwater runoff will be treated. SITE IMPERVIOUS AREA WILL DRAIN TO WET POND 1 TO BE TREATED AND DETAINED AS REQUIRED BEFORE BEING DISCHARGED TO EXISTING FLOW PATH. BYPASS AREAS DRAIN AROUND THE POND TO THE SAME ANALYSIS POINT DEFINED ON PLANS 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 YADKIN-PEEDEE River basin. 4. Total Property Area: 21.38 acres 5. Total Coastal Wetlands Area: 0 acres 6. Total Surface Water Area:.44 acres 7. Total Property Area (4) - Total Coastal Wetlands Area (5) - Total Surface Water Area (6) = Total Project Area+:20.94 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 Hi h Water (NHline or Mean High Water (MHW) line, and coastal wetlands landward from the NHW (or W line. The resultant project area is used to calculate overall percent built upon area (BUA). Non -coastal wetlands landward of the NHW (or MHKq line may be included in the total project area. 8. Project percent of impervious area: (Total Impervious Area / Total Project Area) X 100 = 40.8 % 9. How many drainage areas does the project have?2 (For high density, count 1 for each proposed engineered stormwater BMP. For low 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 2 Drainage Area _ Drainage Area _ Receiving Stream Name NORTH FORK CROOKED CREEK NORTH FORK CROOKED CREEK Stream Class * C C Stream Index Number * 13-17-20-1 13-17-20-1 Total Drainage Area (sf) 588,197 325,812 On -site Drainage Area (sf) 588,197 325,812 Off -site Drainage Area (sf) 0 0 Proposed Impervious Area** sf 372,004 0 % Impervious Area** total 63.3 0 Impervious— Surface Area Drainage Area 1 Drainage Area 2 Drainage Area _ Drainage Area On -site Buildings/Lots (so 227,489 0 On -site Streets (so 77,311 0 On -site Parking (sf) 0 0 On -site Sidewalks (sf) 23,347 0 Other on -site (sf) 12,672 0 Future (sf) 31,185 0 Off -site (sf) 0 0 Existing BUA*** (sf) 0 0 Total (so: 372,004 0 * Stream Class and Index Number can be determined at: http://portal.ncdenr.org web/wcJ[ps/csu/classifications Form SWU-101 Version Oct. 31, 2013 Page 3 of 6