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HomeMy WebLinkAboutSW5180501_Impervious Area Calcs_20180510Date: 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: 843.884.1234 Fax: 843.884.9234 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.