Laserfiche WebLink
• <br /> <br />TABLE 13-4 <br />DRAINAGE CONTROL STRUCTURES <br />Continued <br />ROADSIDE NORTH PORTAL (Eahibit 8B) <br /> CROSS <br /> SECTION <br />STRUCTURE ERHIBIT DESCRIPTION <br />Sediment Pond I~9 21 Designed capacity 0.92 acre-feet with <br /> at least 1 foot freeboard; embankment <br /> slopes designed at lv:2h. <br />Sediment Pond Ik5 21 Designed capacity 0.51 A.F., with at <br /> least 1 foot freeboard; embankment <br /> slopes designed at lv:2h. <br />Cameo Sewage Removed from service in 1982. <br />Evaporation Pond <br />West Diversion 21 Designed capacity 3.35 cfs, slopes <br />Ditch designed at less than Iv:lh, maximum <br /> gradient 9.34 <br />East Diversion 21 Designed capacity 42.6 cfs, slopes <br />Ditch designed at less than lv:lh, maximum <br /> gradient 4.26 <br />East Collection 21 Designed capacity 1.5 cfs, gradient <br />Ditch 1.09 <br />East Collection 8" Minimum <br />Culvert <br />West Collection 21 Design capacity 1.0 cfs, gradient 29 <br />Ditch <br />West Collection 6" Minimum <br />Culvert <br />Drainage Ditch 21 Design capacity 1.1 cfs, gradient 16. <br />west of TS Piles <br />Culvert West of 8" Minimum <br />TS piles <br />Shop Area Swale 21 Design capacity 2.0 cfs, gradient <br /> 0.54, 10:1 side slopes <br />Portal Sump 36"wide x 16"deep grated drain in <br /> front of the belt and intake portals <br /> with 1Ox20x6' deep sump for pumping. <br />T13-4-2 (Rev. 12/16/96) <br /> <br />