Standard_waterbar_cleaning_ill_-_edit.pdf
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- North Zone (NZ) Trail Brushing
- Solicitation number
- AG-02RC-S-15-0030
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Standard Waterbar Cleaning Ill
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AG-02RC-S-15-0030 Exhibit #5
Waterbar Cleaning- Section 991.05
Extend until ditch meets existing side slope (daylight)
Relax all cut slopes to 60 deg. or less
3 ft. min.
12 in. minimum ditch width
Maintain sustained negative grade throughout entire drain.
Loose rock, woody debris, soil build up
Retain 4 in. soil sloped against bar
4 in. depth
Woody materials will be removed from trail tread
Place mineral soil on downgrade side and compact
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