SE - <br />- Oakleigh Meadows Cohousing 'SHEET NO. 31 OF 3 Z.. <br />CIVIL STRUCTURAL BUILDINGDESIGN <br />Oakleigh Lane PROJECT No. _ 13-7076 <br />SURVEYING LAND USE PLANNING - - - <br />2350 Oakmont Way, Suite 105 Eugene, OR 97401 Eugene, Oregon BY MAC <br />(541) 485-8383 Fax(541) 485-8384 Swale Design DATE 3111/13 <br />Vegetated Swale <br />Runoff On-Line <br />Area = <br />0.47 ac C = <br />0.9 <br />1= <br />0.22 in/hr Q = <br />0.09 cfs <br />Swale Dimensions <br />Top Width = <br />7 ft Length = <br />58 ft <br />Bottom Width = <br />5 ft Volume = <br />87 cu ft <br />Depth = <br />0.25 ft Wetted Parameter= <br />7.06 ft <br />Side Slope Left = <br />4.00 :1 Hydraulic Radius = <br />0.21 ft <br />Side Slope Right= <br />4.00 :1 Slope = <br />0.0050 ft/ft <br />Area- <br />1.50 ft-2 n = <br />0.35 <br />Swale Performance <br />Available <br />Required <br />Q = <br />0.16 cfs > <br />0.09 cfs OK <br />V= <br />0.11 fps < <br />0.9 fps OK <br />Hydraulic Residence = <br />9.00 min < <br />9.00 min OK <br />Diagram <br />for conveyance <br />10 ft <br />3.00 <br />3.00 * <br />0 5 ft <br />4.00 <br />4.0 <br />0^ <br />1 1 <br />r <br />0.25 ft <br />:~tEa <br />1 ft min <br />1.5 1 <br />QT <br />5 ft 1 1.5 <br />' <br /> <br />7 ft <br />for pollution control <br />Conveyance <br />= <br />2.1 in/hr Q;n = <br />0.88 cfs <br />A = <br />5.75 ft^2 Wetted Parameter = <br />10.22 <br />Hydraulic Radius = . <br />0.562 <br />Available <br />Required <br />Q = <br />1.18 cfs > <br />0.88 cfs OK <br />09- <br />Swale2012 <br />