2022 08 Drainage Report

Ix. XL Site Description. Design Overview. Existing Drainage Conditions .... Proposed Drainage Conditions. Design Methodology. TABLE OF CONTENTS Stormwater Management System Design & Green Infrastructure Compliance....... 5 Runoff Rates . Water Quality Groundwater Recharge... Standards for Off-Site Stability Conclusion. NRCS Web Soil Survey Hydrograph Summary Reports — Existing & Proposed Conditions 2, 10, 25, & 100-year Hydrograph Summary Reports — Water Quality Storm Stormwater Collection System Calculations (Pipe Sizing) Overflow Spillway Calculations Report of Preliminary Geotechnical and Stormwater Basin Area Investigation, prepared by Dynamic Earth, LLC (Attached Separately) Drainage Area Maps