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IDAHO CREEK RESOURCE TA 91-156 <br /> WELD COUNTY, COLORADO 07-Feb-92 <br /> Tuttle Applegate DSJ <br /> OPEN CHANNEL FLOW NEW CHANNEL CAPACITY <br /> MANNING' S EQUATION FLOW CALCULATIONS <br /> 05 010 <br /> DESIGN FLOW 234. 0 CFS :+27. 0 CFS <br /> BOTTOM WIDTH (FT) 12. 5 12. 5 <br /> SIDE SLOPE H: V 1 4. 0 4. 0 <br /> CHANNEL- SLOPE 0) 0.24% 0. 24% <br /> MANNING' S N 0. 024 0. 024 <br /> FLOW DEPTH (FT) 2.45 2. 90 <br /> FREEBOARD (FT) 0. 00 0. 00 <br /> DITCH DEPTH (FT) 2. 45 2. 90 <br /> WETTED PRMTR (FT) 32. 70 36. 41 <br /> FLOW AREA (SF) 54.64 69. 99 <br /> HYDR RADIUS (FT) 1 .67 1 . 92 <br /> VELOCITY (FT/SEC) 4. 27 4. 68 <br /> WATER TOP W (FT) 32. 1 35. 7 <br /> DITCH TOP W (FT) 32. 1 35. 7 <br /> FLOW (CFS) 233. 3 327. 4 <br /> ---------------------- ---------- -- ---- --- <br /> HYDR DEPTH 1 . 70 1 . 96 <br /> FROUDE NO. 0. 58 0.59 < 0.80; GOOD <br /> --------------------------------------------------- <br /> * VELOCITY (FPS) 4. 27 4.68 +� <br /> * at <br /> +r FLOW (CFS) 233. 7, 527. 4 <br />