HomeMy WebLinkAboutSWP2702711.9T�
T
N
N
BANK FULL WIDTH
1/3 1 1/3 1 1/3
P
SCOUR POOL
EXCAVATED
ORDINARY HIGH WATER MARK TOP OF BANK
APPROX. EL. 22.0 NAVD 88 TOP OF BANK EL. VARIES
9 9 9 9 9 p 9 9 9 9 9 9 9 LIVE STAKES 3'
�.,, ,. ; ,• _ 4 MIN. LENGTH
��ii �:� MAX.
CREEK BOTTOM FLOW �� ALL DISTURBED AREAS
2-7% ,,� SHALL BE SEEDED WITH
NATIVE GRASSES
6 NATIVE
TOPSOIL FILL
CREEK BOTTOM
0
GAPS BETWEEN BOULDERS
IN TOP COURSE OF "HOOK"
N 1/3 BOULDER
J-HOOK PLAN AND SECTIONS
NOT TO SCALE
1-0
SOIL LEVELED AT PLANTING HOLE LOCATION;
PLANTS INSTALLED UPRIGHT
(SEE NOTE 3)
BIODEGRADEABLE COIR WEED MAT
INSTALLED AT TREES AND SHRUBS
PLANTED ABOVE TOP OF BANK
(SEE NOTE 7)
P.
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plum S10NAL 7-b 7
EXPIRES: 8/20/2007
Grimy ar oeborrie, I
CONSULTING ENGINEERS
701 DEXTER AVENUE NORTH SUITE 200
SEATTLE, WASHINGTON 98109 (206) 284-0860
i
UNDISTURBED NATIVE SOIL
ROOTS SPREAD INTO PLANTING HOLE
(SEE NOTE 3)
TYPICAL SECTION A
NOT TO SCALE 9
TYPICAL SECTION B
NOT TO SCALE 9
LIVE STAKES
4' MIN. LENGTH 3'
MAX.
ALL DISTURBED AREAS
SHALL BE SEEDED WITH
NATIVE GRASSES
z-
co
6" NATIVE
TOPSOIL FILL
x
STAKED GEOTEXTILE z
NATIVE TOPSOIL BACKFILL
BALLAST BACKFILL
1' MIN. THICKNESS
J-HOOK CONNECTION TO CREEK BANK
TYPICAL SECTION C
NOT TO SCALE 9
1 GALLON TREE & SHRUB PLANTING DETAIL
SCALE: 1" = 6"
TOP OF ROOT
BALL 1/2" ABOVE
FINISH GRADE
j\
- PLANTING HOLE
BACK -FILLED WITH
NATIVE SOIL
(SEE NOTE 3)
REVISION
TOP OF BANK
0999
TOP OF BANK
EL. VARIES
ORDINARY HIGH WATER MARK
APPROX. EL. 22.0 NAVD 88
TOE OF BANK
ELEVATION VARIES
CREEK BOTTOM
0Iz
N
3'-0" MIN.
TOE ROCK
FINISH GRADE
2
_ �1
STAKED GEOTEXTILE
.I
NATIVE TOPSOIL BACKFILL
BALLAST BACKFILL
1' MIN. THICKNESS
CREEK BANK REGRADE AND TREATMENT
BANK PROTECTION r2
NOT TO SCALE 8
BIODEGRADEABLE COIR WEED MAT
INSTALLED AT LIVE STAKES PLANTED
ABOVE TOP OF BANK
(SEE NOTE 7)
90''
00
APPROX. 75% OF
LENGTH OF STAKE
BELOW GRADE
RECOMMENDED FOR APPROVAL
By: Date: -C" --- Datel----� _e :�
By:---------------- Datel--------
Byl---------------- Datel--------
Byl---------------- Datel--------
SURVEYED:
DESIGNED:
B.B.
DRAWN:
P.M.
CHECKED:
S.C.
BY DATE APPR APPROVED:
B.B.
BANK STREAM RESTORATION NOTES
— GEOTEXTILE WRAPPED
MATTRESSES 1'-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
ELEVATION VARIES
3. LIVE STAKES WHICH ARE NOT PLANTED WITHIN 8
HOURS OF CUTTING SHALL BE SOAKED IN WATER
CREEK BOTTOM
FOR 24 HOURS MINIMUM PRIOR TO
INSTALLATION. STAKES WHICH HAVE ALREADY
-
DEVELOPED ROOTS SHALL NOT BE USED. PRIOR
TO INSTALLATION OF LIVE STAKE TRIM SIDE
o z
BRANCHES CLOSE WITH SHARP BLADE. CREATE
N
PILOT HOLE (1-2" DIAMETER) PERPENDICULAR
3'-0" MIN.
TO FINISH GRADE. GENTLY INSTALL STAKES,
TOE ROCK
BUTT -END -DOWN, INTO PILOT HOLE. IF STAKES
ARE POUNDED INTO PILOT HOLES, USE
DEAD -BLOW HAMMER. INSTALL STAKES SUCH
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; '
3/4" TO 1 1/2" DIAMETER, EXCAVATED SOIL SHALL NOT BE USED TO
36" TO 48" HEIGHT BACKFILL THE PLANTING HOLE. TAMP SOIL
AROUND STAKE. BACKFILL SOIL SHALL MAKE
GOOD CONTACT WITH THE STAKE, LEAVING NO
MINIMUM 3 BUD AIR POCKETS.
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
\7 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
- UNDISTURBED 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�2," ABOVE FINISH GRADE.
BACK -FILL PLANTING t1OLE WITH NATIVE SOIL
SIDE BRANCHES EXCAVATED FROM PLANTING HOLE AND TAMP
TRIMMED CLOSE SOIL AROUND ROOTS TO PREVENT AIR POCKETS.
(SEE NOTE 2) ROCKS LARGER THAN 1" DIAMETER AND ANY
TRASH OR DEBRIS FOUND IN EXCAVATED SOIL
LIVE STAKE INSTALLATION DETAIL 4 SHALL 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.
715. IMMEDIATELY AFTER PLANT INSTALLATION,
D-2109THOROUGHLY WATER IN EACH INSTALLED PLANT.
OR LIVE STAKE.
PLANT SCHEDULE
PLANTING AREA
SPECIES
SPACING
QUANTITY
TYPE & SIZE
NOTES
(O.c)
LOWER BANK 295 sf
Salix sitchensis
Sitka willow
1'
148
LIVE STAKE,
Location: Between OHW and
5' LENGTH
2 vertical feet above OHW.
LIVE STAKE,
Cornus stolonifera
Red -osier dogwood
2'
37
5' LENGTH
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
L
of Lower Bank Planting Area
Rosa nootkana
Nootka rose
4'
20
1 GALLON
PLANT IN SINGLE -SPECIES
and upper Limit of Planting.
CONTAINER
GROUPS OF 2-3 PLANTS
1 GALLON
Salix scouleriana
Scouler's willow
4'
10
CONTAINER
SCALE:
AS SHOWN
ONE INCH
AT FULL SCALE
IF NOT ONE INCH
SCALE ACCORDINGLY
VERTICAL NAVD 1988
HORIZONTAL: NAD 1983/1991
DATU M
CITY OF
ha RENTON
Planning/Building/Public Works Dept.
D-21711 1
DATE:
RENTON VILLAGE STORM SYSTEM PROJECT FIRM". 07
PAGE
DRAWING NO:
CHANNEL RESTORATION DETAILS
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