Laserfiche WebLink
slope of 0.50 percent and a flow velocity equal to 1.9 feet per second. <br />Riprap is provided in Section B. Refer to Figure 2. Sediment Collection <br />Ditches - Design Detail, for design details and channel characteristics. <br />CD•2 is located along the access road south of the portals as shown on the <br />Drainage and Sediment Control Map, (Map 20). The ditch routes water from <br />the upper facilities area to the lower facilities area. The peak flow <br />calculated for the 10-year. 24-hour event is 1.60 cfs. CD-2 is a "V" <br />shaped channel with a slope of lOX and a flow velocity of 4.4 feet per <br />second. Refer to Figure 2, Sediment Collection Ditches - Design Detail, <br />for design details and channel characteristics. <br />Access Road Collection Ditch <br />The access road collection ditch is located along the northern edge of the <br />access road as shown on the Drainage and Sediment Control Map, (Map 20). <br /> <br />i. <br />• <br />C:\WORK\PRf 2GO~LN/rR U.R E~ <br />o„~,,ma~ 94R Revised - April 1993 <br />