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`J <br />TABLE TR 91-31-2 (Cont.) <br />AREA 41 FILL RECLAMATION <br />CHANNEL DESIGN/COMPARISON <br />Parameter Area 41 Fill Area 41 Fill Area 41 FiTI Area 9/IO Area 41-1 <br />(Upper Reach)(Center Reach) (Lower Reach) 51E (Upper Reach) <br />Drainage Area (acres) 300 300 300 255 134 <br />Slope (%) 10.3 13.5 21.4 14.9 20.0 <br />Bottom Width (ft) 12.0 12.0 12.0 12.0 12.0 <br />Z (H:lY) 3 3 3 3 3 <br />Discharge (cfs) 95 95 95 105 <br />Flow Depth (ft) 0.90 0.83 0.69 O.S4 <br />~• Velocity (fps) 7.7 7.9 9.8 8.6 <br />:tip-Rap D50 (f t) 1.0 1.5 . 1.8 1.5 <br />Design.Safety Fa ctor 1.50 1.70 1.51 1.60 <br />* Flow depths, velocity, D50 & Safety facto r from Dan Gregory by phone, <br />10-19-87. Design methodology an d details for riprap size distribution and <br />filter bed are in Permit Revision 86-2 Appendix 1. <br />** 9/10 ~ 41 - design from WET dated December 19SG. <br />. *** 41 fi ll drainage area and discharge from Little Middle Creek Permit, <br />Exhibit 5 - Drainage and Sediment Control Plan. <br /> P.evised 1/18/88 <br /> Ex, 29-22 <br />62 <br />0.55 <br />8.3 <br />1.5 <br />1.64 <br />