Rip-Rap Splash Pad Calculations <br />*Based on Eugene Stormwater Management Manual (2014) Appendix F <br />*For pipes equal to or less than 6", Chapter 2.7 was used for splash pad sizes <br />Discharge Velocity at Design Flow (fps):0 - 5 <br />Type:Rip-Rap <br />Rip-Rap Size:ds = 0.25 x Do x Fo (6" min.) <br />Depth:2 x ds (1' min.) <br />Width:Pipe Dia + 6 ft <br />Length:Lsp = Do (8+17(Log(V/((g x Do)^0.5)))) (2' min.) <br />CB #2 Outlet <br />Inlet Pipe <br />Diameter (ft) <br />Average <br />Velocity (fps) <br />Rip-Rap Size <br />(ft) <br />Size <br />Calculated <br />(in) <br />Size (in)Depth <br />Calculated (ft)Depth (ft) Width (ft) Fo Length (ft) <br />8 0.67 2.33 0.08 1.0 6.0 0.17 1.00 6.7 0.5 2.0