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• <br />• <br />• <br />* As specified by SEDCAD4: Crest Length is measured along the direction of flow <br />** As specified by SEDCAD4: Bottom Width is measured orthogonal to the direction of flow <br />Exh. 7 -23C -2 Revision Date: 12/15/10 <br />Revision No.: PR -03 <br />Table 7 -23C -1 <br />Little Collom <br />Pond Design Summary <br />CX -DS Design Details <br />Emergency Spillwa <br />Spillway Elevation <br />6642 ft <br />Crest Length* <br />35 ft <br />Left Si.deslope <br />2H:1 V <br />Right Sideslope <br />2H:1 V <br />Bottom Width ** <br />30 ft <br />Perforated Riser <br />Elevation of <br />Perforation <br />Diameter of <br />Perforation <br />Number of <br />Perforations <br />Riser Diameter <br />30 in <br />(ft) <br />(in) <br />per Elevation <br />6630.00 <br />1 <br />4 <br />Riser Height 17 ft <br />Barrel Diameter <br />15 in <br />6631.00 <br />1 <br />4 <br />Barrel Length <br />135 ft <br />6638.00 <br />2 <br />4 <br />Barrel Slope <br />5% <br />6639.00 <br />2 <br />4 <br />Manning's n <br />0.024 <br />- <br />- <br />- <br />Principal Spillway <br />Elevation <br />6641 ft <br />- <br />- <br />- <br />Floating Siphon <br />Crest Elevation <br />6632 ft <br />Inlet Elevation <br />6630 ft <br />Outlet Elevation <br />6625 ft <br />Siphon Diameter <br />4 in <br />Length <br />25 ft <br />Mannin 's n <br />0.024 <br />* As specified by SEDCAD4: Crest Length is measured along the direction of flow <br />** As specified by SEDCAD4: Bottom Width is measured orthogonal to the direction of flow <br />Exh. 7 -23C -2 Revision Date: 12/15/10 <br />Revision No.: PR -03 <br />