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4. SWPPP NARRATIVE <br /> The intent of this section is to provide the necessary information to support the <br /> engineering plans in order to implement a design that will; reduce, eliminate or prevent the <br /> discharge of stormwater pollutants, meet or exceed the water quality and sediment <br /> management standards for the City and State, and prevent adverse impacts to the <br /> receiving waters for this project. Note: this narrative is intended to support the SWPPP <br /> that is included with the Drainage Plans also a part of this submittal package to the City. <br /> A. SITE GRADING/EROSION CONTROL RISK ASSESSMENT <br /> Area proposed to be cleared/worked: 4,833 sf= 0.11 acres <br /> Average slope for the site: 3% (Area of Disturbance Only) <br /> Erosion Hazard of Soil Moderate <br /> Critical Areas downslope Yes <br /> Site is upstream of an ESA Stream No <br /> Based on the above information and the fact that the area to be disturbed is flat and <br /> construction site runoff will be held back by silt fencing or other perimeter filtration features <br /> prior to leaving the site, and that if site conditions warrant, additional BMP's can be <br /> implemented as corrective measures the Risk Category for this site is Low-Moderate <br /> Risk. <br /> Langus Garage 15-0403-L <br /> March,2022 Page 6 <br />