2026 05 Storm Water Management Report rcd 5 6 2026

A B B A B A A 5 Greentree Centre, Suite 406 Marlton, NJ 08053 T: 856.334.2000 F: 732.974.3521 www.dynamicec.com

● PERMITTING ● LAND DEVELOPMENT CONSULTING GEOTECHNICAL ● ENVIRONMENTAL ● SURVEY ● PLANNING & ZONING Offices conveniently located throughout the United States: New Jersey | Delaware | Florida | Maryland | Pennsylvania | Texas RODMAN R. RITCHIEROBERT P. FREUD ã

PROPOSED DRAINAGE AREA #1 (ADDITIONAL AREA TO ONSITE CONVEYANCE) POI #1 POI #3 D POI #2 LEGEND E C C PERVIOUS SURFACE TC PATH C PROPOSED DRAINAGE AREA #1 IMPERVIOUS SURFACE TC PATH (BIORETENTION BASIN) PROPOSED DRAINAGE AREA #1 IMPERVIOUS AREA = 0.078 AC. (CN = 98; TC = 0.5 MINUTES) (ROOF AREA) PERVIOUS AREA =

ED DRAINAGE AREA #1 IMPERVIOUS AREA = 0.078 AC. (CN = 98; TC = 0.5 MINUTES) (ROOF AREA) PERVIOUS AREA = 0.068 AC. (CN = 80; TC = 5.1 MINUTES) C IMPERVIOUS AREA = 0.142 AC. TOTAL AREA = 0.146 AC. (CN = 98; TC = 1.0 MINUTE) D B A C C PROPOSED DRAINAGE AREA #3 PROPOSED DRAINAGE AREA #2 (SHEET FLOW TO NORTHEAST) B PERVIOUS AREA = 0.081 AC. (CN = 80; TC = 8.5 MINUTES) (UNCONTROLLED TO R.O.W.) IMPERVIOUS AREA = 0.017 AC. (CN = 98; TC = 0.8 MINUTES) B TOTAL AREA = 0.076 AC. A PERVIOUS AREA = 0.025 AC. (CN = 80; TC = 3.5 MINUTES) B TOTAL AREA = 0.042 AC.

CN = 80; TC = 3.5 MINUTES) B TOTAL AREA = 0.042 AC. B A B PROPOSED DRAINAGE AREA #1 (TO ON-SITE CONVEYANCE) A A IMPERVIOUS AREA = 0.204 AC. D A (CN = 98; TC = 2.0 MINUTES) A PERVIOUS AREA = 0.071 AC. (CN = 80; TC = 5.0 MINUTES) C TOTAL AREA = 0.275 AC. A 5 Greentree Centre, Suite 406

5 Greentree Centre, Suite 406 Marlton, NJ 08053 T: 856.334.2000 F: 732.974.3521 www.dynamicec.com ● PERMITTING ● LAND DEVELOPMENT CONSULTING GEOTECHNICAL ● ENVIRONMENTAL ● SURVEY ● PLANNING &

LAND DEVELOPMENT CONSULTING GEOTECHNICAL ● ENVIRONMENTAL ● SURVEY ● PLANNING & ZONING Offices conveniently located throughout the United States: New Jersey | Delaware | Florida | Maryland | Pennsylvania | Texas PROPOSED DRAINAGE AREA MAP Y D H RODMAN R. RITCHIEROBERT P. FREUD 2 2 ã

PROP. YARD INLET DRAINAGE AREA AREA = 0.002 AC C-VALUE = 0.35 EXIST. A-INLET DRAINAGE AREA AREA = 0.006 AC C-VALUE = 0.35 UNDERGROUND BASIN DRAINAGE AREA AREA = 0.142 AC. C-VALUE = 0.95 OCS #2 DRAINAGE AREA AREA = 0.14 AC. C-VALUE = 0.74 INLET #6 DRAINAGE AREA INLET #7 DRAINAGE AREA AREA = 0.074 AC. AREA = 0.082 AC. C-VALUE = 0.89 C-VALUE = 0.88 INLET #4 DRAINAGE AREA AREA = 0.14 AC C-VALUE = 0.90 EXIST. ROUND DRAINAGE AREA AREA = 0.10 AC (ESTIMATED) C-VALUE = 0.95 5 Greentree Centre, Suite 406 Marlton, NJ 08053

T: 856.334.2000 F: 732.974.3521 www.dynamicec.com ● PERMITTING ● LAND DEVELOPMENT CONSULTING GEOTECHNICAL ● ENVIRONMENTAL ● SURVEY ● PLANNING & ZONING Offices conveniently located throughout the United States: New Jersey | Delaware | Florida | Maryland | Pennsylvania | Texas PROPOSED INLET AREA MAP Y D H RODMAN R. RITCHIEROBERT P. FREUD 1 1 ã