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4. 50 feet setback from slopes greater than 15 percent and greater than 10 feet in height. <br /> 5. All underground stormwater facilities shall be setback from any structure or property line a distance <br /> equal to the depth of the ground disturbed in setting the structure. <br /> Infiltration trenches may be located under pavement if a small yard drain or catch basin with grate cover is <br /> placed at the end of the trench pipe such that overflow would occur out of the 2019 Stormwater Management <br /> Manual for Western Washington Volume V - Chapter 4 - Page 707 catch basin at an elevation at least one foot <br /> below that of the pavement, and in a location which can accommodate the overflow without creating a <br /> significant adverse impact to downhill properties or drainage systems. This is intended to prevent saturation of <br /> the pavement in the event of system failure. <br /> 6. Applicable access requirements of DCSS 4-4.2 (3) have been met. <br /> 7. Filter fabric shall be placed over the drain rock as shown on Figure V-4.1: Typical Downspout <br /> Infiltration Trench prior to backfilling. <br /> City of Everett Public Works <br /> Small Project Stormwater Site Plan Report for Projects in 14 <br /> the Combined Sewer Area-September 2022 <br />