HomeMy WebLinkAboutD-271109T
T
N
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CL
CL
BANK FULL WIDTH
1/3 1 1/3
1/3
SCOUR POOL
EXCAVATED
0
J
U_
GAPS BETWEEN BOULDERS
IN TOP COURSE OF "HOOK"
N 1/3 BOULDER
ON SLOPES:
SOIL LEVELED AT PLANTING HOLE LOCATION;
PLANTS INSTALLED UPRIGHT
(SEE NOTE 3)
011�
BIODEGRADEABLE COIR WEED MAT
INSTALLED AT TREES AND SHRUBS
PLANTED ABOVE TOP OF BANK
(SEE NOTE 7)
UNDISTURBED NATIVE SOIL
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CONSULTING ENGINEERS
701 DEXTER AVENUE NORTH SUITE 200
SEATTLE, WASHINGTON 98109 (206) 284 -0860
ROOTS SPREAD INTO PLANTING HOLE
(SEE NOTE 3)
ORDINARY HIGH WATER MARK
APPROX. EL. 22.0 NAVD 88
LIVE STAKES
4' MIN. LENGTH
ALL DISTURBED AREAS -
SHALL BE SEEDED WITH
NATIVE GRASSES
6" NATIVE --
TOPSOIL FILL
STAKED GEOTEXTILE
L
•, v
•;I MZ
TOP OF BANK
TOP OF BANK EL. VARIES
LIVE STAKES ,
4' MIN. LENGTH 3
MAX.
ALL DISTURBED AREAS
SHALL BE SEEDED WITH
NATIVE GRASSES
z
6" NATIVE��`�����,�
TOPSOIL FILL
STAKED GEOTEXTILE
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NATIVE TOPSOIL BACKFILL '
BALLAST BACKFILL
1' MIN. THICKNESS
SCALE: 1 " = 6"
TOP OF ROOT
BALL 1/2- ABOVE
FINISH GRADE
i
O
— PLANTING HOLE
BACK — FILLED WITH
NATIVE SOIL
(SEE NOTE 3)
REVISION
TOP OF BANK
EL. VARIES
ORDINARY HIGH WATER MARK
APPROX. EL. 22.0 NAVD 88
TOE OF BANK
ELEVATION VARIES
CREEK BOTTOM
°Iz
N
3' -0" MIN.
TOE ROCK
FINISH GRADE
NATIVE TOPSOIL BACKFILL '
BALLAST BACKFILL -
1' MIN. THICKNESS
CREEK BANK REGRADE AND TREATMENT
BANK PROTECTION z
NOT TO SCALE 8
BIODEGRADEABLE COIR WEED MAT
INSTALLED AT LIVE STAKES PLANTED
ABOVE TOP OF BANK
(SEE NOTE 7)
90"
APPROX. 75% OF
LENGTH OF STAKE
BELOW GRADE
SURVEYED:
DESIGNED:
B.B.
DRAWN:
P.M.
CHES.C.
BY DATE APPR APPROVED:
B.B.
BANK STREAM RESTORATION NOTES
- GEOTEXTILE WRAPPED
PLANTING AREA
MATTRESSES V -1.5' THICK
1. LIMITS AND GRADES SHOWN ARE APPROXIMATE.
4' MIN. BANK EMBEDMENT
FIELD ADJUST PER ENGINEER QUANTITIES FOR
—LIVE BRANCH BUNDLES
BIDDING SHALL BE BASED ON PLANT SCHEDULE.
6" THICK, 5' MIN. BANK
EMBANKMENT
2, PLANT QUANTITIES, SPECIES, AND SPACING ARE
ORDINARY HIGH WATER MARK
INDICATED BELOW
APPROX. EL. 22.0 NAVD 88
—TOE OF BANK
3. LIVE STAKES WHICH ARE NOT PLANTED WITHIN 8
ELEVATION VARIES
HOURS OF CUTTING SHALL BE SOAKED IN WATER
—CREEK BOTTOM
FOR 24 HOURS MINIMUM PRIOR TO
Sitka willow
INSTALLATION. STAKES WHICH HAVE ALREADY
148
DEVELOPED ROOTS SHALL NOT BE USED. PRIOR
TO INSTALLATION OF LIVE STAKE TRIM SIDE
o
BRANCHES CLOSE WITH SHARP BLADE. CREATE
N
PILOT HOLE (1 -2" DIAMETER) PERPENDICULAR
TO FINISH GRADE. GENTLY INSTALL STAKES,
3' -0" MIN.
TOE ROCK
BUTT- END -DOWN, INTO PILOT HOLE. IF STAKES
2'
ARE POUNDED INTO PILOT HOLES, USE
LIVE STAKE,
5' LENGTH
DEAD -BLOW HAMMER. INSTALL STAKES SUCH
2 vertical feet above OHW.
THAT APPROXIMATELY 75% OF THE LENGTH OF
THE ENTIRE STAKE IS BELOW GRADE AND SUCH
THAT A MINIMUM OF 3 BUD SCARS REMAIN
ABOVE GRADE. AVOID DAMAGING THE BUDS
WHEN INSTALLING THE STAKE. AFTER
INSTALLATION, BACKFILL PILOT HOLE WITH NATIVE
SOIL. ROCKS, TRASH OR DEBRIS FOUND IN
WILLOW LIVE STAKE; EXCAVATED SOIL SHALL NOT BE USED TO
3/4" TO 1 1/2" DIAMETER, BACKFILL THE PLANTING HOLE. TAMP SOIL
3fi" TO 48" HEIGHT AROUND STAKE. BACKFILL SOIL SHALL MAKE
GOOD CONTACT WITH THE STAKE, LEAVING NO
AIR POCKETS.
MINIMUM 3 BUD
SCARS ABOVE 4. PRIOR TO INSTALLATION OF 1 GALLON CONTAINER
GROUND
(SEE NOTE 2) PLANTS, CLEANLY PRUNE ANY BROKEN BRANCHES
AND SCARIFY OUTER 1 INCH OF ROOTBALL.
FINISH GRADE CLEANLY PRUNE BROKEN, DEAD, OR DISEASED
ROOTS. IF ROOTBOUND, TEASE OUT OR CUT
CIRCLING ROOTS. EXCAVATE CIRCULAR PLANTING
y \/ HOLE WITH VERTICAL SIDES AS SHOWN IN DETAIL
24 (THIS SHEET). SCARIFY SIDES AND BOTTOM
OF PLANTING HOLE. ON SLOPES, LEVEL SOIL AT
PLANTING HOLE LOCATION TO ENSURE COVERAGE
NATIVE STUBBED OF ROOTS ON DOWNHILL SIDE OF PLANT AND
NATIVE SOIL INSTALL PLANT UPRIGHT. PLACE ROOTBALL ON
PILOT HOLE UNDISTURBED NATIVE SOIL AT BASE OF PLANTING
BACK — FILLED WITH HOLE AND SPREAD ROOTS OUT TO SIDES OF PIT.
NATIVE SOIL CLEANLY TRIM ANY ROOTS THAT ARE TOO LONG
(SEE NOTE 2) TO LAY STRAIGHT IN PLANTING HOLE. PLANTS
SHALL BE UPRIGHT, PLUMB, AND TOP OF
ROOTBALL SHALL BE Y" ABOVE FINISH GRADE.
BACK -FILL PLANTING ROLE WITH NATIVE SOIL
EXCAVATED FROM PLANTING HOLE AND TAMP
SIDE BRANCHES SOIL AROUND ROOTS TO PREVENT AIR POCKETS.
TRIMMED CLOSE
(SEE NOTE 2) ROCKS LARGER THAN 1" DIAMETER AND ANY
TRASH OR DEBRIS FOUND IN EXCAVATED SOIL
LIVE STAKE INSTALLATION DETAIL KT� S HALL NOT BE USED TO BACKFILL THE PLANTING
HOLE. BACKFILL SOIL SHALL MAKE GOOD
SCALE: 1" = V -0" - CONTACT WITH THE ROOTBALL, LEAVING NO AIR
POCKETS.
09
5. IMMEDIATELY AFTER PLANT INSTALLATION,
D-2 1
7 THOROUGHLY WATER IN EACH INSTALLED PLANT.
OR LIVE STAKE.
PLANT SCHEDULE
PLANTING AREA
SPECIES
SPACING
QUANTITY
TYPE & SIZE
NOTES
1
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N x
d
1
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LOWER BANK 295 sf
Safi sitchensis
Sitka willow
1'
148
LIVE STAKE,
5' LENGTH
Location: Between OHW and
Corpus stolonifera
Red -osier dogwood
2'
37
LIVE STAKE,
5' LENGTH
2 vertical feet above OHW.
UPPER BANK 805 sf
1 GALLON
PLANT IN SINGLE - SPECIES
Symphoricarpos albus
Snowberry
4'
20
CONTAINER
GROUPS OF 2 -3 PLANTS
Location: Between upper limit
1 GALLON
PLANT IN SINGLE- SPECIES
of tower Bank Planting Area
Rosa nootkana
Nootka rose
4'
20
CONTAINER
GROUPS OF 2 -3 PLANTS
and upper Limit of Planting.
1 GALLON
Salix scouleriana
Scouler's willow
4'
10
CONTAINER
SCALE:
AS SHOWN
ONE INCH
AT FULL SCALE
IF NOT ONE INCH
SCALE ACCORDINGLY
HORIZONTAL- NAD 1983/1991
DATUM
- CITY OF
ba RENTON
Planning /Building /Public Works Dept.
DATE:
4/6/07
RENTON VILLAGE STORM SYSTEM PROJECT FlELDBOOK-
PAGE:
CHANNEL RESTORATION DETAILS
9 -" 12
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