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� 2 <br /> Hydrograph Return Period R �� <br /> Hydra ow nyurrographs Extension for AutoCAD®Civil 3D®2009byAutodesk,Inc.v6.066 <br /> Hyd. Hydrograph Inflow Peak Outflow(cfs) Hydrograph <br /> No. type Hyd(s) description <br /> (origin) 1-Yr 2-Yr 3-Yr 5-Yr 10-Yr 25-Yr 50-Yr 100-Yr <br /> 1 SCS Runoff ---- ------ 0.019 --- 0.070 ---- ------ 0.166 Pre-devepoped <br /> 2 SCS Runoff --- 0.158 ----- ------ 0.244 0.366 Post-developed <br /> 3 Reservoir 2 ----- 0.009 ---- 0.027 ---- ------ 0.069 Pond Route <br /> 4 SCS Runoff ---- -- 0.017 --- ------ 0.062 --- ----- 0.145 Direct Flow to Wetland <br /> II <br /> Proj.file:28048 REVISED Detention Vault W 2 ORIFICES.gpw Thursday, Sep 18, 2008 <br />