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HomeMy WebLinkAboutFull Gospel Tabernacle Church - 18080144-01_Stormwater Narrative - 190102Full Gospel Tabernacle Church Stormwater Control Plan Coats, Harnett County, North Carolina NCDEQ Review: January 2019 Signature and Seal of professional engineer that prepared this report: I attest that this engineer's report has been prepared by me, or under my responsible charge, and is accurate, complete and consistent with the information supplied in the engineering calculations. I further attest that the proposed design has been prepared in accordance with 15A NCAC 18C. My seal signifies that I have reviewed any data and materials provided by others and have subsequently judged it to be consistent with the proposed design. Q= Draper Aden Associates Engineering • Surveying • Environmental Services 930 Main Campus Drive, Suite 151 Raleigh, NC 27606 (919) 827-0864 Firm No. C-0861 XAI%AnAi riaa rnm Project No. 18080144-01 TABLE OF CONTENTS 1. Narrative................................................................................... 2 Project Description Site Description Adjacent Property Secretary of State Company Profile 2. Planned Stormwater Control Measures ................................... 3 Permanent Wet Pond APPENDICES Appendix A - Calculations & Stormwater EZ Forms Appendix B - USGS Exhibit Map Appendix C - Precipitation Data Appendix D - Site Soils Information Full Gospel Tabernacle January 2019 Stormwater Control Plan Project No. 18080144-01 Page 1 of 3 1. Narrative Project Description This project consists of the construction of a church along highway 55 in Harnett county. These construction documents are for the first phase of development which will include a 10,000 square foot church, 94 parking spaces, and a wet detention basin that will be sized to accommodate future impervious area. A culvert is proposed underneath a driveway off of highway 55. The pond will drain into a roadside ditch along Ashe avenue and continue into a culvert to cross underneath Ashe Avenue. Approximately 6.20 acres will be disturbed during construction of this phase of the project. No significant changes to the existing drainage and hydrologic patterns are proposed. Site Description The existing site is an open field with row crops planted. The site is bordered by Highway 55 on the west and Ashe Avenue to the east. There are roadside ditches in NCDOT right-of-way along both roads. The southern border abuts residential properties. Soils on -site consist of a mixture of Blaney loamy sand, Coxville loam, Marlboro sandy loam, Norfolk loamy sand, and Rains sandy loam. Adjacent Property The existing site is bound on two sides by major, NCDOT-owned roads, NC-55 E to the west, Prospect Church Rd (SR2009) to the north and east, and by three lots of similar zoning (RA-30) to the south. Full Gospel Tabernacle January 2019 Stormwater Control Plan Project No. 18080144-01 Page 2 of 3 2. Planned Stormwater Control Measures Wet Detention Pond A permanent wet detention pond will be constructed in the south east corner of the site to treat stormwater runoff. The pond will be sized to accommodate future impervious area that is planned in the Masterplan provided in these plans. Construction Sequence, Practice Construction Specifications, and Maintenance Requirements can be found on the attached Plans. Full Gospel Tabernacle January 2019 Stormwater Control Plan Project No. 18080144-01 Page 3 of 3 APPENDIX A Calculations & Stormwater EZ Forms Appendix B USGS Exhibit Map Appendix C Precipitation Data Appendix D Site Soils Information