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N 1743.72.939
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This project •ties designed by the Seattle Distr;ct U.S. 4-my Corps of Engineers.
The initlals or signatures end reg strcticn designcticns of indis:dua's cppecr
within the spec:ficctions or on —ese project documents within the score Of
their employment os required by ER !IIO--2u2, F,-ofessionc! Regis±ration.
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DATE AND TIME PLOTTED: 17-JUL-2000 13:43 cR«r,N.
DEIGN FILE: is �designsCmiscOcivOcdr_mitOmscmcsOb.dgn
2
NOTES:
I HAND CLEAR REED CANARY GRASS APPROX. 25'
ON EITHER SIDE OF CHANNEL.
2. SLOPES ARE 3:1 AND MATCHED TO EXISTING GRADE.
3. LARGE WOODY DEBRI IS NOT ANCHORED, BUT PLACED
SO THAT ROOTWAD IS IN CHANNEL.
4. FOR SLOPE AND CHANNEL PROFILE SEE SHEET 5.
5. LEAVE SLOPES AS IT FROM LOG WEIR TO STATION
1 2+00 .
6. INFORM CORPS PERSONEL WHEN BENCH MARK
WILL BE ALTERED BY CONSTRUCTION.
7. TOTAL NUMBER OF LARGE WOODY DEBRIS IS 50.
8. ALL CLEARED AREAS SITTING IDLE FOR MORE THEN
72 HOURS WILL BE MULCHED WITH 2" MIN. STRAW
STRAW MULCH.
9. HYDROSEED WITHIN 48 HOURS OF COMPLETION OF
EARTHWORK.
LARGE WOODY DEBRIS
• • 30, .•
•
REDUCED TO 50% OF FULL SIZE
U.S. ARMY ENGINEER DISTRICT, SEATTLE
CORPS OF ENGINEERS
SEATTLE, WASHINGTON
CEDAR RIVER MITIGATION
CHANNEL LAYOUT I
RENTON
SIZE INVITATION NO. FILE NO.
D E-19-1-7-1
DSCN. MJC CWK.
WASHINGTON
DATE: PLATE
OOAPRO6 C-1
SHEET 3 OF 9
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