J_2024 05 09_West Orange Stormwater Management Plan

Description of Stormwater Management Measures Small Scale Bioretention System with Underdrains Design Storms including Adjustment Factors for Current and Future Events: Design Purposes: o Water Quality 1.25 inches in 2 hours o 2-year storm - 3.42 inches o 10-year storm - 5.20 inches o 100-year storm – 8.71 inches o Current 2-year storm – 3.45 inches o Current 10-year storm - 5.36 inches o Current 100-year storm – 9.23 inches o Future 2-year storm – 4.07 inches o Future 10-year storm – 6.34 inches o Future 100-year storm - 11.58 inches March 2024 Stormwater Management Measures Maintenance Plan & Field Manuals Page 4