Building Services Department

Erosion Control Division

Resource Links

 

 

Engineering Design Downloads

• Natural Resources Conservation Services (NRCS) Hydraulics and Hydrology Tools and Models - Win TR-55
• Natural Resources Conservation Services (NRCS) Revised Universal Soil Loss Equation, Version 2
• Natural Resources Conservation Services (NRCS) - Conservation Engineering Tools and Documents
• Natural Resources Conservation Services (NRCS) - Steam Corridor Restoration
• Federal Highway Administration
• North Carolina Department of Transportation - Best Management Practices
• North Carolina Department of Transportation - Roadway Standard Drawings Library
• Maine DOT charts for embedded culverts - Fish Passage Policy & Design Guide (2nd edition / December 2004) Click here for pdf file.

Design Calculation Spreadsheets

• Sediment control measures (MS Excel)
• Sediment basin design (MS Excel)
• Rational method (MS Excel)
• Manning's "n" (MS Excel)
• Spillway capacity (MS Excel)
• Riprap outlet protection (MS Excel)
• NY riprap outlet protection (MS Excel)
• Plunge pool, submerged outlet (MS Excel)
• Plunge pool, cantilevered outlet (MS Excel)
  • Design Note 6: Riprap Lined Plunge Pool for Cantilevered Outlet (PDF)
• Open Channel Flow (all following are MS Excel)
  • Permissible velocity - vegetation
  • Tractive force - synthetic liner
  • Tractive force - riprap (mild slope)
  • Tractive force - riprap (steep slope)

 

 

 

Certified Professional in Erosion and Sedimentatin Control

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