Appendix 2 Roadside_Brushing_Drawing.pdf
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- Attached to
- Road Brushing - Prince of Wales Island, Alaska
- Solicitation number
- 1240BF22Q0023
- Issued by
-
Department of Agriculture Forest Service
About this file
This drawing provides specifications for roadside brushing services on the Tongass National Forest. The US Forest Service requires brush to be cut back from road surfaces, shoulders, ditches, culverts and slopes based on two specified treatment methods. Method A requires brushing from 5 feet beyond the toe of ditches to 10 feet on fill slopes or 15 feet from road shoulders, whichever is less. Method B requires brushing from ditch toes to 5 feet on fill slopes. Brush within treatment areas must be cut to less than 6 inches in diameter and provide 14 feet of overhead clearance. All debris must be removed from road infrastructure.
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Text version
USDA FOREST SERVICE - TONGASS NATIONAL FOREST SH. ofR-10 -
DESIGNED: DATE:
DATE:DRAWN:
REVIEWED: DATE:
DATE: REVISION: BY:
PLOT ON 11"X17" PAPER
TONGASS
ENGINEERING & RECREATION TNFTYP:08/2004
ROADSIDE BRUSHING IDIQ ROADSIDE BRUSHING
R. SCHMOHL 12/16/16
R. BERRY 06/2017 ACAD.DWG
1 1 above road. Scatter to fill slopes below road, no debris piles allowed at culvert outlets.
4. Cut brush to provide overhead clearance of 14 feet on
Cut all brush within treatment area which is less than or
6.
equal to 6 inches in diameter measured 6 inches above
Cut brush to provide sufficient site distance on the inside of sharp curves to eliminate blind corners and intersections.
7.
General Notes:
1.
For Method A, cut brush back 5' slope distance beyond
Clear ditches of woody debris. Clean culvert inlets and outlets of debris a minimum of 2 culvert diameters.
2.
5. Remove debris from road surface, ditches, and cut slope
Method A Treatment Area: From 5' Slope Distance Beyond Toe of Ditch to 10' Slope Distance on Fill Slope bottom of ditch or 15' slope distance from road shoulder, whichever is less, and10' slope distance
Cut all brush within 5' of culvert inlets, both Method A 3.
the ground.
beyond the edge of road shoulder on fill slope.
road surface.
CLEARING LIMITS
METHOD A
FILL SLOPE
CLEARING
HEIGHT 14 feet
ROADBED
SHOULDERS
DITCH LINE
CUT SLOPE 10'5'
CLEARING LIMITS
METHOD B
FILL SLOPE
CLEARING
HEIGHT 14 feet
ROADBED
SHOULDERS
DITCH LINE
CUT SLOPE
5'
Method B Treatment Area: From Toe of Ditch to 5' Slope Distance on Fill Slope and Method B.
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