Sitkoh_RIVER_ATTACHMENT_B_LogComplexDetail.docx
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- Attached to
- Sitkoh River Stream Restoration Federal contract opportunity
- Solicitation number
- AG-0116-S-11-0084
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Attachment B
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ATTACHMENT B
Plan View
NOTES:
1) Excavate toe log trenches perpendicular to flow and into bank below bed surface at maximum predicted scour depth. 2) Excavate torsion Log trenches 15 &20% to flow and to bed surface elevation. Top of torsion log elevation should exceed 3-5 year discharge return interval elevation. 3) Place weave additional trees, logs, large boulders, slash or root-wads in apex of structure. 4) Place ample slash and small woody debris on the up-stream bank interface of the structure.
FMF Formidable Multi-faceted Log Complex Direction of Flow 3 & 4 Terrace Riffle Pool Head Maximum Pool Depth Pool Tail Crest
USDA
FOREST
SERVICE
TONGASS N.F. CRAIG RD
STRUCTUE: Channel Rehabilitation
DATE: 3/20053
DESIGNED BY:
BRIAN BAIR
REVIEWED
BY:
BOB GUBERNICK
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