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ROCK DEFLECTOR 30\
HABITAT BOULDERS
SEE SHEET 6
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ROCK CLUSTER
HABITAT BOULDERS; 4' -6"
USE 1,2OR3
03 & 04 MAN ROCKS
SEE LEGEND, SHT 2, & s,
LOCATE PER SHTS 3
THRU 6, COORDINATE
LOCATION WITH CITY
PLAN
TYPICAL HABITAT BOULDER STRUCTURES
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N EXCAVATED
TRENCH
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8" LAYER OF QUARRY SPALLS DOWNSTREAM OF SPUTTER STRUCTURE;
18" LAYER OF RIPRAP UPSTREAM OF SPUTTER STRUCTURE
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CONCRETE ECOLOGY BLOCK
3' X 3' X 1.5' IN LOWER CHANNEL ROOTWAD
4' X 3' X 3' IN UPPER CHANNEL PLAN
SINGLE ROOT 'LOG
RIPRAP OR
QUARRY SPALLS FISH CHANNEL /CREEK
0
1' - 2' LOWER CHANNEL ROOT LOG
3' - 4' UPPER CHANNEL (� 12 FIR CEDAR
lil�i I /y X 12 2 1 - 16' LONG
10 15" /%� = / W/ ROOTWAD
COMPACTED GRANULAR
BACKFILL J
CONCRETE ECOLOGY BLOCK
3' X 3' X 1.5' IN LOWER CHANNEL
_ 4' X 3' X 3' IN UPPER CHANNEL -
%(\ 2 WRAPS OF 5/8" GALVANIZED
IMPROVED PLOW STEEL 6X19
FIBRE CORE WIRE ROPE. SECURE
W/ 2 WIRE ROPE CLAMPS
0 4 4 it
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4 O 3 ='
3 O �n_F - fi_L VOIDS WITH .ROCK
l - QUARRY SPALLS, COMPACTED
_ -- GRANULAR BACKFILL &
STREAMBED GRAVEL
4' - 5'
3' MIN
nl STREA BED GRAVEL,
12" MIN. DEPTH
SEE SHEET 9
IMPROVED PLOW STEEL 6X19
FIBRE CORE WIRE ROPE. SECURE STREAMBED GRAVEL,
A - A
12" MIN. DEPTH
ROCK DEFLECTOR
DETAIL
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COORDINATE FINAL ROCK
SIZE AND PLACEMENT WITH
THE CITY, EMBED ROCK MIN
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1' -0" IN STREAMBED GRAVEL
FOR CHANNEL GEOMETRY
SEE SHEET 9 `
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ROCK CLUSTER DETAIL
STREAMBED GRAVEL,
12" MIN. DEPTH
SEE SHEET 9
8" LAYER OF QUARRY SPALLS DOWNSTREAM OF SPUTTER STRUCTURE;
18" LAYER OF RIPRAP UPSTREAM OF SPUTTER STRUCTURE
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ROOTWAD TYP J
PLAN
DOUBLE ROOT LOG
RIPRAP OR
QUARRY SPALLS FISH CHANNEL /CREEK
o
1' 2' ROOT LOG
12 - 15 "0 FIR OR CEDAR
X 12 ROOTWAD LONG
/ W/ ROOTWAD TYP
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413 , /� 22699 C SCANNEDAIAR 3 0 2000
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FOR
NOTCH LOGS TOGETHER -J lJ
FOR CHANNEL GEOMETRY
CHANNEL GEOMETRY SEE SHEET 9
I SEE SHEET 9
2 WRAPS OF 5/8" GALVANIZED
STREAMBED GRAVEL,
IMPROVED PLOW STEEL 6X19
FIBRE CORE WIRE ROPE. SECURE STREAMBED GRAVEL,
12" MIN. DEPTH
W/ 2 WIRE ROPE CLAMPS 12" MIN. DEPTH
SEE SHEET 9
SEE SHEET 9
C -C
D - D
SINGLE ROOT LOG DETAIL
DOUBLE ROOT LOG DETAIL
0,426410C
NOTES: SCALE: NONE
1. FOR LOCATIONS OF HABITAT STRUCTURES SEE SHEETS 3 THRU 6.
APPROVED
2_ THE CITY SHALL DIRECT THE EXACT STRUCTURE PLACEMENT
AND LOCATIONS IN THE FIELD DURING CONSTRUCTION.
3. 03 &0 INDICATE 3 & 4 MAN ROCKS AS DEFINED BY THE PO'3 BY DATE -4 -98
�Z
SUPPLEMENTAL SPECIFICATIONS.
OE W Axrc��L
4_ THE CITY MAY DIRECT THE CUTTING OF THE LENGTH OF Fe p+ r
ROOT LOGS TO FIT THE ACTUAL LOCATIONS INSTALLED. CITY OF RENTON
zs»z 4 DEPARTMENT OF PUBLIC WORKS
won �ECISTIRF9 E�
�SSIOrrAL E'�1$ MAPLEWOOD CREEK FISH CHANNEL PROJECT
FISH HABITAT STRUCTURE DETAILS
ExPiRES 12- 21 -99
DESIGNED: CMG /DPT DATE: 7/1/98 FILE NAME: SHEET12
DRAWN: DWH
Engineers and Scientists SCALE: AS SHOWN FIELD
:
Belle.w e, Washin gton CHECKED: DEP BOOK: PAGE
a
TEL- (425) 602 -4DOO -- -
FAX: (425) 602 -4020. NO. REVISION BY APPR: DATE APPROVED: SHEET: 12 OF: 22
413 , /� 22699 C SCANNEDAIAR 3 0 2000
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