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Marlene Bissell 10-Unit Condo's <br /> Drainage Report <br /> Overall Risk or Potential for Degradation of Water Quality <br /> The overall risk involved in this project for erosion and degradation to water quality is moderate. <br /> The contractor will be advised to control surface runoff during construction and to prevent it <br /> from flowing down cut and fill slopes. It will also be important to stabilize the surface soils on <br /> cut and fill slopes to reduce the risk of erosion. During construction,the contractor will be <br /> required to stabilize exposed soil within 2 days from October 1 to April 30 and within 7 days <br /> from May 1 to September 30. Soil stockpiles would be covered within 24 hours to minimize <br /> erosion. With the appropriate soil cover, the installation of BMP's and construction timing, it is <br /> my opinion that erosion will be minimal and there will be no significant adverse impacts to the <br /> water quality downstream. <br /> 7 <br />