Storm Water Management: Total Area: 67,640.07 sq. ft 1.533 acres 71% impervious Impervious: Area:
48,214.48 sq. ft 1.107 acres CN = 98 Runoff = 1.0347” Runoff Volume = 4,192.21 cu. ft
Turf:
Area:
12,672.16 sq. ft 0.291 acres CN = 61 Runoff = .000123” Runoff volume = .131 cu. ft
B 5,054.75 sq. ft
A
Area:
6,753.43 sq. ft 0.155 acres CN = 79 Runoff = 0.1529” Runoff volume = 86.74 cu. ft Retention potential: 4,788.71 cu. ft Ponding depth = 7.6”
12,924.45 sq. ft 3,468.19 sq. ft
Raingardens:
16,896.59
TOTAL RUNOFF: 4,279.1 cu.ft. May 11 7,206.57 sq. ft
A
1,0 1 1,6 0.98 s 70 .78 q. ft sq . ft
Area:
3,695.03 sq. ft 0.085 acres Retention potential: 2,680. 47 cu. ft Ponding depth = 7.6” Boundary to catchment B Direction of water flow Impervious Roof Impervious Deck Gutter/Overflow pipe
B
Area:
3,058.4 sq. ft 0.07 acres Retention potential: 2,108.24 cu. ft Ponding depth = 7.6”