SSWENUINEERS. <br />CIVIL STRUCTURAL BUILDING DESIGN <br />SURVEYING LAND USE PLANNING <br />2350 Oakmont Way, Suite 105 Eugene, OR 97401 <br />(541) 485-8383 Fax (541) 485-8384 <br />Oakleigh Meadows Cohousing SHEET NO. 31 OF 3 Z <br />Oakleigh Lane PROJECT NO. 13-7076 <br />Eugene, Oregon BY MAC <br />Swale Design DATE 3/11/13 <br />Vegetated Swale <br />Runoff On-Line <br />Area = <br />1= <br />Swale Dimensions <br />Top Width = <br />Bottom Width = <br />Depth = <br />Side Slope Left = <br />Side Slope Right = <br />Area = <br />Swale Performance <br />0.47 ac <br />0.22 in/hr <br />7ft <br />5ft <br />0.25 ft <br />4.00 :1 <br />4.00 :1 <br />1.50 ft^2 <br />Available <br />Q = 0.16 cfs <br />V = 0.11 fps <br />Hydraulic Residence = 9.00 min <br />Diagram <br />1.5 _I_ 1 I _ 5 ft <br />C= <br />Q= <br />Length = <br />Volume = <br />Wetted Parameter = <br />Hydraulic Radius = <br />Slope = <br />n= <br />for pollution control <br />Conveyance <br />1= 2.1 in/hr Qin = <br />A = 5.75 ft^2 Wetted Parameter = <br />Hydraulic Radius = <br />Available <br />Q = 1.18 cfs > <br />0.9 <br />0.09 cfs <br />58 ft <br />87 cu ft <br />7.06 ft <br />0.21 ft <br />0.0050 ft/ft <br />0.35 <br />Required <br />0.09 cfs <br />0.9 fps <br />9.00 min <br />OK <br />OK <br />OK <br />1.5 <br />0.88 cfs <br />10.22 <br />0.562 <br />Required <br />0.88 cfs OK <br />Swale2012 <br />