******************* Project Description ******************* File Name... NAAF Stormwater Improvement Project 11_21_2014.SPF

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1 Autodesk Storm and Sanitary Analysis Version (Build 1) *** Project Description *** File Name... NAAF Stormwater Improvement Project 11_21_2014.SPF Analysis Options Flow Units... cfs Subbasin Hydrograph Method. SCS TR-55 Time of Concentration... SCS TR-55 Link Routing Method... Hydrodynamic Storage Node Exfiltration.. None Starting Date... OCT :00:00 Ending Date... OCT :00:00 Report Time Step... 00:05:00 ************* Element Count ************* Number of rain gages... 1 Number of subbasins Number of nodes Number of links Raingage Summary Gage Data Data Recording ID Source Type Interval Rain Gage-01 TS-01 INTENSITY 6.00 min Subbasin Summary Subbasin Total ID acres Sub Sub Sub Sub Sub Sub Sub Sub Sub Sub Sub Sub ************ Node Summary ************ Node Element Invert Maximum Ponded External

2 ID Type Elevation Elev. Inflow ft ft ft² Out-01 JUNCTION Out-02 JUNCTION Out-03 JUNCTION Out-06 JUNCTION Out-04 OUTFALL Out-05 OUTFALL Out-07 OUTFALL Out-08 OUTFALL ************* Inlet Summary ************* Inlet Inlet Manufacturer Inlet Number Catchbasin Inlet Ponded Initial Grate ID Manufacturer Part Location of Invert Rim Water Clogging Number Inlets Elevation Elevation Elevation Factor ft ft ft² ft % Inlet-01 NEENAH FOUNDRY R On Sag Inlet-02 NEENAH FOUNDRY R On Sag Inlet-03 GUTTER DEPTH CAPTURE CURVE N/A On Sag Inlet-04 GUTTER DEPTH CAPTURE CURVE N/A On Sag Inlet-05 NEENAH FOUNDRY R On Sag Inlet-06 NEENAH FOUNDRY R On Sag ********** Roadway and Gutter Summary ********** Inlet Roadway Roadway Roadway Gutter Gutter Gutter ID Longitudinal Cross Manning's Cross Width Depression Slope Slope Roughness Slope ft/ft ft/ft ft/ft ft in Inlet Inlet Inlet Inlet Inlet Inlet ************ Link Summary ************ Link From Node To Node Element Length Slope Manning's ID Type ft % Roughness -- Link-04 Inlet-06 Out-02 CONDUIT Link-05 Inlet-01 Inlet-02 CONDUIT Link-06 Inlet-02 Out-04 CONDUIT Link-07 Inlet-03 Out-03 CONDUIT

3 Link-08 Inlet-04 Out-05 CHANNEL Link-11 Out-02 Out-06 CHANNEL Link-12 Out-06 Out-07 CHANNEL Link-13 Out-01 Out-06 CHANNEL Link-14 Out-03 Out-08 CHANNEL Link-15 Inlet-05 Out-01 CONDUIT ***** Cross Section Summary ***** Link Shape Depth/ Width No. of Cross Full Flow Design ID Diameter Barrels Sectional Hydraulic Flow Radius Capacity ft ft ft² ft cfs Link-04 CIRCULAR Link-05 CIRCULAR Link-06 CIRCULAR Link-07 CIRCULAR Link-08 RECT_OPEN Link-11 RECT_OPEN Link-12 RECT_OPEN Link-13 RECT_OPEN Link-14 RECT_OPEN Link-15 CIRCULAR ********** Volume Depth Runoff Quantity Continuity acre-ft inches ********** Total Precipitation Surface Runoff Continuity Error (%) ********** Volume Volume Flow Routing Continuity acre-ft Mgallons ********** External Inflow External Outflow Initial Stored Volume Final Stored Volume Continuity Error (%) ********** Composite Curve Number Computations Report **********

4 Subbasin Sub-02 /Surface Description (acres) Group CN ROADWAY 1.33 B GRASS 1.90 B WOODFAIR 1.20 B Composite & Weighted CN Subbasin Sub-03 /Surface Description (acres) Group CN ROADWAY 1.40 B GRASS 2.29 B WOODSFAIR 1.90 B Composite & Weighted CN Subbasin Sub-04 /Surface Description (acres) Group CN GRASS 0.57 B ROADWAY 0.49 B Composite & Weighted CN Subbasin Sub-05 /Surface Description (acres) Group CN GRASS 3.51 B WOODSFAIR B DIRTROADS 3.90 B Composite & Weighted CN Subbasin Sub-06 /Surface Description (acres) Group CN ROADWAY B GRASS B Composite & Weighted CN Subbasin Sub-08 /Surface Description (acres) Group CN WOODSFAIR 7.88 B Composite & Weighted CN Subbasin Sub-09 /Surface Description (acres) Group CN

5 WOODSFAIR 4.39 B Composite & Weighted CN Subbasin Sub-10 /Surface Description (acres) Group CN WOODSFAIR 2.70 B Composite & Weighted CN Subbasin Sub-12 /Surface Description (acres) Group CN GRASS 1.61 B WOODFAIR 9.90 B Composite & Weighted CN Subbasin Sub-14 /Surface Description (acres) Group CN B Composite & Weighted CN Subbasin Sub-16 /Surface Description (acres) Group CN b Composite & Weighted CN Subbasin Sub-17 /Surface Description (acres) Group CN b Composite & Weighted CN *** SCS TR-55 Time of Concentration Computations Report *** Sheet Flow Equation - Tc = (0.007 * ((n * Lf)^0.8)) / ((P^0.5) * (Sf^0.4)) Where: Tc = Time of Concentration (hrs) n = Manning's Roughness Lf = Flow Length (ft) P = 2 yr, 24 hr Rainfall (inches) Sf = Slope (ft/ft)

6 C Shallow Concentrated Flow Equation V = * (Sf^0.5) (unpaved surface) V = * (Sf^0.5) (paved surface) V = 15.0 * (Sf^0.5) (grassed waterway surface) V = 10.0 * (Sf^0.5) (nearly bare & untilled surface) V = 9.0 * (Sf^0.5) (cultivated straight rows surface) V = 7.0 * (Sf^0.5) (short grass pasture surface) V = 5.0 * (Sf^0.5) (woodland surface) V = 2.5 * (Sf^0.5) (forest w/heavy litter surface) Tc = (Lf / V) / (3600 sec/hr) Where: Tc = Time of Concentration (hrs) Lf = Flow Length (ft) V = Velocity (ft/sec) Sf = Slope (ft/ft) Channel Flow Equation --- V = (1.49 * (R^(2/3)) * (Sf^0.5)) / n R = Aq / Wp Tc = (Lf / V) / (3600 sec/hr) Where: Tc = Time of Concentration (hrs) Lf = Flow Length (ft) R = Hydraulic Radius (ft) Aq = Flow (ft²) Wp = Wetted Perimeter (ft) V = Velocity (ft/sec) Sf = Slope (ft/ft) n = Manning's Roughness Subbasin Sub-02 User-Defined TOC override (minutes): 9.37 Subbasin Sub-03 User-Defined TOC override (minutes): 9.47 Subbasin Sub-04 Sheet Flow Computations Subarea A Subarea B Subarea Manning's Roughness: Flow Length (ft): Slope (%): yr, 24 hr Rainfall (in): Velocity (ft/sec):

7 Computed Flow Time (minutes): ================================================================================================ Total TOC (minutes): ================================================================================================ Subbasin Sub-05 User-Defined TOC override (minutes): Subbasin Sub-06 User-Defined TOC override (minutes): Subbasin Sub-08 User-Defined TOC override (minutes): Subbasin Sub-09 User-Defined TOC override (minutes): Subbasin Sub-10 User-Defined TOC override (minutes): Subbasin Sub-12 User-Defined TOC override (minutes): Subbasin Sub-14 User-Defined TOC override (minutes): Subbasin Sub-16 User-Defined TOC override (minutes): Subbasin Sub-17 User-Defined TOC override (minutes): ******* Subbasin Runoff Summary *******

8 -- Subbasin Total Total Peak Weighted Time of ID Precip Runoff Runoff Curve Concentration in in cfs Number days hh:mm:ss -- Sub :09:22 Sub :09:28 Sub :42:48 Sub :17:56 Sub :20:18 Sub :29:50 Sub :11:28 Sub :06:49 Sub :00:46 Sub :46:13 Sub :56:06 Sub :16:21 -- ** Node Depth Summary ** Node Average Maximum Maximum Time of Max Total Total Retention ID Depth Depth HGL Occurrence Flooded Time Time Attained Attained Attained Volume Flooded ft ft ft days hh:mm acre-in minutes hh:mm:ss Out : :00:00 Out : :00:00 Out : :00:00 Out : :00:00 Out : :00:00 Out : :00:00 Out : :00:00 Out : :00:00 * Node Flow Summary * Node Element Maximum Peak Time of Maximum Time of Peak ID Type Lateral Inflow Peak Inflow Flooding Flooding Inflow Occurrence Overflow Occurrence cfs cfs days hh:mm cfs days hh:mm Out-01 JUNCTION : Out-02 JUNCTION : Out-03 JUNCTION : Out-06 JUNCTION : Out-04 OUTFALL : Out-05 OUTFALL : Out-07 OUTFALL : Out-08 OUTFALL : *** Inlet Depth Summary *** --- Inlet Max Gutter Max Gutter Max Gutter Time of

9 ID Spread Water Elev Water Depth Maximum during during during Depth Peak Flow Peak Flow Peak Flow Occurrence ft ft ft days hh:mm --- Inlet :00 Inlet :59 Inlet :15 Inlet :57 Inlet :46 Inlet :45 ** Inlet Flow Summary ** Inlet Peak Peak Peak Peak Inlet Total Total ID Flow Lateral Flow Flow Efficiency Flooding Time Flow Intercepted Bypassing during Flooded by Inlet Inlet Peak Flow cfs cfs cfs cfs % acre-in minutes Inlet Inlet Inlet Inlet Inlet Inlet ******* Outfall Loading Summary ******* Outfall Node ID Flow Average Peak Frequency Flow Inflow (%) cfs cfs Out Out Out Out System * Link Flow Summary *

10 Link ID Element Time of Maximum Length Peak Flow Design Ratio of Ratio of Total Reported Type Peak Flow Velocity Factor during Flow Maximum Maximum Time Condition Occurrence Attained Analysis Capacity /Design Flow Surcharged days hh:mm ft/sec cfs cfs Flow Depth minutes Link-04 CONDUIT 0 14: > CAPACITY Link-05 CONDUIT 1 00: Calculated Link-06 CONDUIT 1 00: > CAPACITY Link-07 CONDUIT 0 12: > CAPACITY Link-08 CHANNEL 0 00: Calculated Link-11 CHANNEL 0 14: Calculated Link-12 CHANNEL 0 15: Calculated Link-13 CHANNEL 0 12: Calculated Link-14 CHANNEL 0 12: Calculated Link-15 CONDUIT 0 21: Calculated Highest Flow Instability Indexes Link Link-07 (91) Link Link-14 (63) Link Link-13 (47) Link Link-05 (38) Link Link-15 (37) WARNING 002 : Max/rim elevation (depth) increased to account for connecting conduit height dimensions for Node Out-03. Analysis began on: Tue Nov 25 11:36: Analysis ended on: Tue Nov 25 11:36: Total elapsed time: 00:00:01

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