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Module 5: WinSLAMM v 9.1 Model Features

Module 5: WinSLAMM v 9.1 Model Features. Robert Pitt, P.E., Ph.D. Dept. of Civil, Construction and Environmental Engineering University of Alabama John Voorhees, PE, PH Earth Tech, Inc. To Enter the Program. or. or. To Review Current File Data.

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Module 5: WinSLAMM v 9.1 Model Features

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  1. Module 5: WinSLAMM v 9.1 Model Features Robert Pitt, P.E., Ph.D. Dept. of Civil, Construction and Environmental Engineering University of Alabama John Voorhees, PE, PH Earth Tech, Inc.

  2. To Enter the Program or or

  3. To Review Current File Data

  4. Select the Edit Buttons to Enter or Change values

  5. Parameter Files and Drainage System Data

  6. To Review Current File Data Status

  7. Input Data Printout Output Options

  8. Combine .dat Files or Access Cost Data

  9. Parameter File Editors

  10. Only Enter Data Here

  11. To convert hourly rainfall data to .ran data:

  12. Main Menu Current Land Use and Source Area that User is working on • Control Practices • I – Infiltration Device • W – Wet Detention • P – Porous Pavement • O – Other Device • S – Street Sweeping • B – Biofiltration Total acreage in each Land Use

  13. Source Area Acreage. Double-click to enter or change Name of current .dat file name loaded in model Source Area Parameters. Double-click to change or review Source Area Number – increments by 30 for each Land Use

  14. Defining the Drainage System

  15. Pre-Development Areas and Curve Numbers (CN)

  16. Source Area Parameters

  17. Street Dirt Accumulation Plots

  18. Control Devices

  19. To Execute the Program

  20. Go to: Run/Calculation Module

  21. Output Summary

  22. The runoff volume is listed for each event, for each source area. The model also calculates the land use runoff coefficient (Rv), the total losses, and the SCS Curve Number for each event. Runoff Volume TabSource Areas

  23. The runoff statistics are summarized for each source area below the event-by-event list.

  24. The model also summarizes the output for the total area, before and after the drainage system, and at the outfall.

  25. With an Outfall Detention Pond - • Peak Reduction Factor • Pond Flushing Ratio • Outlet structure failure • Additional Output – • Runoff coefficient (Rv) • Total losses • SCS Curve Number Runoff Volume TabOutfall

  26. Percentage contribution of runoff volume from each source area, for each land use. Runoff Volume Source Area Percent Contribution Summary

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