12 2026 02 12 Crestmont CC Stormwater Management Report

CRESTMONT COUNTRY CLUB EAGLE ROCK AVE IMPROVEMENTS LANGAN PROJECT #101049802 TOWNSHIP OF WEST ORANGE, NJ SMALL-SCALE BIORETENTION BASIN DESIGN SUMMARY TABLE CRESTMONT COUNTRY CLUB & EAGLE ROCK AVE IMPROVEMENTS LANGAN PROJECT #101049802 BOTTOM OF TOTAL SOIL MEDIA OCS FIRST DESIGN 100-YR EMERGENCY SURFACE INFLOW UNDERDRAIN BOTTOM OF TOP OF CONTRIBUTING DESIGN BIORETENTION BASIN ORIFICE WATER SURFACE SPILLWAY AREA OF DRAINAGE STONE BEDDING STORAGE EL. BERM EL. WATERSHED PERCOLATION OPENING EL. EL. CREST EL. BASIN (AC) AREA (AC) EL. (AC) RATE (IN/HR) SSBB-1 530.50 534.00 534.60 536.73 537.75 539.00 1.56 0.15 1.41 1.50 SSBB-2 533.50 537.00 537.40 539.63 540.67 542.00 2.26 0.35

1.41 1.50 SSBB-2 533.50 537.00 537.40 539.63 540.67 542.00 2.26 0.35 1.91 1.50 NOTES: \\langan.com\data\PAR\data8\101049801\Project Data\_Discipline\Site Civil\Stormwater\Eagle Rock Bioretention Basin Summary