12 2026 02 12 Crestmont CC Stormwater Management Report

= = APPENDIX B TABLE OF CONTENTS NOAA RAINFALL PRECIPITATION DATA NOAA REGION D RAINFALL DISTRIBUTION PROPOSED RUNOFF CURVE NUMBER CALCULATIONS CURRENT HYDROGRAPH CALCULATIONS PR-1A-DISTURBED WATERSHED Time of Concentration Calculation 2 Year Design Storm Event 10 Year Design Storm Event 25 Year Design Storm Event 100 Year Design Storm Event PR-1A-UNDISTURBED WATERSHED Time of Concentration Calculation 2 Year Design Storm Event 10 Year Design Storm Event 25 Year Design Storm Event 100 Year Design Storm Event PR-1A WATERSHED (COMBINED PROPOSED FLOW TO SSBB-1) 2 Year Design Storm Event 10 Year Design Storm Event 25 Year Design Storm Event 100 Year Design Storm Event PR-1B-DISTURBED WATERSHED Time of Concentration Calculation 2 Year Design Storm Event 10 Year Design Storm Event 25 Year Design Storm Event 100 Year Design Storm Event PR-1B-UNDISTURBED WATERSHED Time of Concentration Calculation 2 Year Design Storm Event 10 Year Design Storm Event 25 Year Design Storm Event 100 Year Design Storm Event PR-1B WATERSHED (COMBINED PROPOSED FLOW TO SWALE 1) 2 Year Design Storm Event 10 Year Design Storm Event 25 Year Design Storm Event 100 Year Design Storm Event