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Title:Chapter 6.8.1 BMP Level Spreader.pdf
Summary:363-0300-002
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Abstract:
  • Pennsylvania Stormwater Best Management Practices Manual Chapter 6 BMP 6.8.1: Level Spreader Level Spreaders are measures that reduce the erosive energy of concentrated flows by distributing runoff as sheet flow to stabilized vegetative surfaces.
  • Conventional level spreaders designed to diffuse all flow rates should be sized based on the following: For grass or thick ground cover vegetation: a) 13 linear feet of level spreader for every 1 cfs flow b) Slopes of 8% or less from level spreader to toe of slope For forested areas with little or no ground cover vegetation: a) 100 linear feet of level spreader for every 1 cfs flow b) Slopes of 6% or less from level spreader to toe of slope ...
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Document Number:363-0300-002
Effective Date:Saturday, December 30, 2006 12:00:00 AM EST
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File name:6.8.1 BMP Level Spreader.pdf
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