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Culvert Calculator Report <br />Orr Drain <br />Solve For: Headwater Elevation <br />Culvert Summary <br />Allowable HW Elevation 5,042.00 ft Headwater Depth/Height 2.77 <br />Computed Headwater Elevation 5,042.96 ft Discharge 31.50 cfs <br />Inlet Control HW Elev. 5,042.96 ft Tailwater Elevation 5,039.54 ft <br />Outlet Control HW Elev. 5,042.58 ft Control Type Inlet Control <br />Grades <br />Upstream Invert 5,038.80 ft Downstream Invert 5,038.27 ft <br />Length 44.07 ft Constructed Slope 0.012026 ft/ft <br />Hydraulic Profile <br />Profile CompositeM2PressureProfile Depth, Downstream 1.42 ft <br />Slope Type Mild Normal Depth N/A ft <br />Flow Regime Subcritical Critical Depth 1.42 ft <br />Velocity Downstream 9.10 ft/s Critical Slope 0.019453 ft/ft <br />Section <br />Section Shape Circular Mannings Coefficient 0.013 <br />Section Material Concrete Span 1.50 ft <br />Section Size 18 inch Rise 1.50 ft <br />Number Sections 2 <br />Outlet Control Properties <br />Outlet Control HW Elev. <br />Ke <br />5,042.58 ft <br />0.50 <br />Upstream Velocity Head 1.23 ft <br />Entrance Loss 0.62 ft <br />Inlet Control Properties <br />Inlet Control HW Elev. 5,042.96 ft Flow Control Submerged <br />Inlet Type Square edge w/headwall Area Full 3.5 ft2 <br />K 0.00980 HDS 5 Chart 1 <br />M 2.00000 HDS 5 Scale 1 <br />C 0.03980 Equation Form 1 <br />Y 0.67000 <br />Project Engineer: jeff.butson <br />p:l ..lsupportdocslcalcslorr drainlculverts.cvm ECS4MR-USA CulvertMaster v3.3 [03.03.00.04] <br />07/14/15 03:08:00 PM© Bentley Systems, Inc. Haestad Methods Solution Center Watertown, CT 06795 USA +1-203-755-1666 Page 1 <br />