SCIVIL 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 />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 />OaMeigh Meadows Cohousing SHEET NO. 31 OF ~ Z <br />Oakleigh Lane PROJECT NO. 13-7076 <br />Eugene, Oregon BY MAC <br />Swale Design DATE 3/11/13 <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 />C= <br />0.9 <br />Q = <br />0.09 cfs <br />Length = <br />58 ft <br />Volume = <br />87 cu It <br />Wetted Parameter= <br />7.06 ft <br />Hydraulic Radius = <br />0.21 ft <br />Slope = <br />0.0050 ft/ft <br />n = <br />0.35 <br />Required <br />0.09 cfs OK <br />< <br />0.9 fps OK <br />< <br />9.00 min OK <br />Diagram <br />for conveyance <br />10 ft <br />3.00 3.00 <br />4.00 4.00 <br />0.5..• <br />1 1 0.25 ft <br />tVfez iM 1 ft min <br />i <br />1.5 _I. 1 <br />Conveyance <br />5ft <br />for pollution control <br />I = 2.1 in/hr <br />A= 5.75 ft^2 <br />Available <br />Q = 1.18 cfs <br />1 <br />Qin = 0.88 cfs <br />Wetted Parameter = 10.22 <br />Hydraulic Radius- = 0.562 <br />Required <br />0.88 cfs <br />OK <br />09~ <br />Swale2012 <br />