Page 7 - Section4.2.1-SWPPPCutSheet-FiltrexxStormWaterBlanket

Post-Construction | Section 2: Storm Water Management | 367

SWPPP Cut Sheet -2.2. Filtrexx ® Filter Strip

Table 2.1. Minimum Width Requirements by Slope Degree for Filter Strip

Slope

w/structural sediment control device

Minimum Width

1-3% Yes 15 ft (5m) 1-3% No 25 ft (5m) 4-7% Yes 25 ft (5m) 4-7% No 35 ft (5m) 8-10% Yes 35 ft (5m) 8-10% No 50 ft (5m) 11-15% Yes 75 ft (5m) 11-15% No 100 ft (5m)

Source: USEPA, 2006; USDA-NRCS, 2004.

Figure 2.1. Engineering Design Drawing for Compost Vegetated Filter Strip.

Filtrexx ® FILTER STRIP