SW5180501_Impervious Area Calcs_20180510

Date: 5/10/2018
By: M. Carreon, PE
Cypress Creek Renewables
No. Description Total Unit Notes
1 Property Area 53.39 ac Lease Area, C-101
2 Coastal Wetlands 0 ac
3 Water Surface Area 1.55 ac Wetlands, Exhibit A
4 Project Area 51.84 ac
5 Project Drainage Area 2,258,150 sf
6 Maximum Impervious (24%)541,956 sf
7 Proposed Impervious 83,715 sf
8 On-Site Streets (Gravel Roads and Driveways)82,390 sf
9 Other on-site (Equipment Pads & Post Foundations)1,325 sf
10 Future - sf
No. Description Total Unit Notes
11 Foundations 1325 sf Measured in AutoCAD
12 Concrete Equipment Pads (2 total; 230 sf)459 sf Measured in AutoCAD
13 Steel Post Foundations (6" x 6"; 533 x 1 MW DC)866 sf Estimated
14 Roads and Driveways 82390 sf Measured in AutoCAD
15 Gravel Roads (18-ft Wide)76992 sf Measured in AutoCAD
16 North Driveway 562 sf Measured in AutoCAD
17 South Driveway 577 sf Measured in AutoCAD
18 Asphalt Paved Cul-de-Sac (Siler Business Drive)4259 sf Measured in AutoCAD
Attachment #1 - Impervious Area Calculations
Siler Solar, LLC (PV Site)
I. Impervious Area Data Table
II. Proposed Onsite Impervious Areas
1450 Fifth Street West N.Charleston, SC 29405
Phone: [phone] Fax: [phone]
EXHIBIT NO.
File Path:
Date:
PM :
Draw n By:
Checked By:
Approved By:
As Show n
%2
%2
%2
#0
#0
#0
Jurisdictional Pond 1Approximately 1.46 Acres
Jurisdictional RPW Tributary 1Approximately 230 Linear Feet
DP-2
DP-3
DP-1
DP-6
DP-5
DP-4
Jurisdictional Wetland 2Approximately 0.04 Acres
Jurisdictional Wetland 1Approximately 0.05 Acres
Jurisdictional RPW Tributary 2Approximately 30 Linear Feet
1
0
00
00
0 0
0
9 1
30
2826
21
1613
9
7
6
5
4
2 0
36
3129
272512
Source: Esri, DigitalGlobe, GeoEye, Earthstar Geographics, CNES/Airbus DS, USDA, USGS, AEX,Getmapping, Aerogrid, IGN, IGP, swisstopo, and the GIS User Community³0 300 600150Fee t
Approxim ate D epiction of Aquatic ResourcesProject No.
Scale:
ASiler SolarSiler Business Drive
EN147040JTM
JTM
JAR
JAR 06/01/16 Siler City, Chatham County North Carolina
Legend
Po nd_Points
Wetlan d_Poin ts
Tributary_Points
Ap proximate_Site_Boun dary
#0 Uplan d_Data_Point
%2 Wetlan d_Data_Point
Ju risdictional_RPW_Tributary
Ju risdictional_Wetland
Ju risdictional_Pond
The Approximate Wetland Lines depicted on this drawing wereflagged and surveyed with a Trimble GeoExplorer XH 6000 SeriesGPS with GNSS reciever in the field by Terracon Consultants on10/17/14 and 4/7/15. Each survey point was at sub-meter accuracy.
Approximate Total Jurisdictional Wetlands: 0.09 AcresApproximate Total Jurisdictional Pond: 1.46 AcresApproximate Total Jurisdictional Tributaries: 260 Linear FeetApproximate Total Uplands: 52.45 AcresApproximate Total Site Acreage: 54 Acres
The depiction has been verified by the USACE.The depiction has been verified by the USACE and NCDEQ-DWR for
Chatham County/Siler City request.