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• <br />SITE V-D1TCI1 DESIGN <br />The site V-Ditches were designed using computer data generated from Flaestad Methods <br />FlowMaster version 3.43. Side slopes are all 1.Sh:l v. Manning's n = .0i. Tlie actual design data <br />sheets are not included in the permit application. <br />• Ifa site V-Ditch has a Flow velocity greater than 6 fps it is considered erosive. Ditches will be <br />protected from erosion as necessary with the use of riprap, gunnite or concrete lining possibly <br />combined with riprap. Ditches cut in rock will trot require erosion protection. Culverts may be <br />used for erosion protection if practicable. <br />• ~"2-b j <br />TR-0I EXH-8 - 28 - 9/97 <br />