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<br />e <br /> <br />e <br /> <br />e <br /> <br />Design Procedure Form: Constructed Wetlands Channel (CWC). Sedimentation Facility <br /> <br />Designer: <br />Com pany: <br />Date: <br />Project <br />Location: <br /> <br />John Doe I, P,E. <br />CloseNuff Engineering, Inc. <br />August 30,2000 <br />Heavenly Views Office Park - PPD#3 <br />Castle Peaks, CO <br /> <br />1. Design Discharge (total) O2= 25 cis <br /> 0'00= 150 cis <br />2. Channel Geometry (New Channel - No We~and Veg. in Bottom) <br /> A) Channel Side Slopes (Z:1, Le., HN) (Z~2.5) Z= 3.0 (horizontaVvertical) <br /> B) 2-Year Design Flow Depth (D2) D2= ::tM feet <br /> Maximum D2 = 4', Minimum D2 = 2' <br /> C) Bottom width oflhe channel (B2) - 8-foot minimum B2= ,....'....'8:0...... . feet <br /> D) Top width of the 2-Year Design Water Surface (W2) W2= 2(tCi . feet <br />3. Long~udinal Slope (Based on a Manning's n = 0.03 S= ......:{).OO11..: . feetlfeet <br /> for the 2-year Channel, velocity set to 2 Ips) <br />4. Final Channel Goemetry - We~and Vegeta~on in Bottom) <br /> (Based on a Manning's n = 0.08) Z= '.30' '.feet <br /> -,:-:,;,,:> ..,(. :::~: <br /> A) Calculated channel geometry required to maintain D2= '(..,20 ::".feet <br /> design discharge during a 2-year event with mature vegeta~on B2= "....,11.0 :..:feet <br /> W2= .:'..~~O.' feet <br /> B) Calculated discharge and velocity O2= .,..:.25 ,::. cfs <br /> during a 2-year event with mature vegeta~on V2= ..0:7) fps <br /> C) Geometry and velocity to use for the 100-year discharge D'00 = feet <br /> if composite channel section is used. 8100 = feet <br /> WUYJ= feet <br /> V100 = fps <br />5. Number of grade control structures required 6 number <br />6. Vegetation (Check the type or describe "othe(') x Native Grass <br /> irrigated Turf Grass <br /> We~and Species <br /> other: <br /> <br />Notes: <br /> <br />UCD Feb 2000 BMP-CASFM Sem-Examples-97, CWC <br />