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CM
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PLANT MATERIAL SETBACK CHART
THIS CHART SUPPLEMENTS SECTION 8.02.3(7) OF THE STANDARD SPECIFICATIONS
EXISTING
EXISTING
GUARDRAIL/
EDGE OF
WALL
FENCE
SIGNS**
TREE
VEGETATION
LIGHT
J-BOX/
EDGE OF
OVERHEAD
BARRIER*
ROADWAY
(TRUNK)
MASS
POLE
PULL BOX
ACCESS ROAD
POWERLINES***
CORRIDOR
EVERGREEN
10,
20'
10,
10,
15'
15'
10,
20'
6'
20'
16'
TREE
CORRIDOR
DECIDUOUS
10,
20'
10,
10,
15'
15'
10,
20'
6'
20'
16'
TREE
SHRUB
5'
20'
5'
6'
6'
10,
10,
6'
3'
10,
N/A
* MEASURED FROM BACK FACE OF BARRIER OR BACK OF GUARDRAIL POST.
**TREES AND SHRUBS SHALL BE PLACED SO THAT AT ALL STAGES OF GROWTH THEY
WILL NOT OBSTRUCT SIGHT DISTANCE SO SIGNS CAN BE CLEARLY DISPLAYED.
*** MEASURED FROM OUTERMOST POWERLINE WHERE THERE ARE MULTIPLE LINES
IG WALL OR NOISE WALL
NT AT ORIGINAL
;ET PLANT VERTICALLY
OF WALL. DIRECT
FACE OF WALL WITH
00 STAKE.
R RETENTION
YP.
i WOOD CHIP MULCH,
t TO STEM. MULCH
OT CONTACT STEM.
AMENDED SOIL, TYP.
EXISTING SOIL
Y MIN. _ I
AMENDMENTS & MULCH
VINE PLANTING
N.T.S.
SET PLANT VERTICALLY —
NOT PERPENDICULAR
TO SLOPE
SEE PLANT MATERIAL
LIST FOR SIZE AND TYPE
UPPERMOST ROOT
SHALL BE NO MORE
THAN 1" BELOW
SOIL SURFACE
S=BUILT
AI KINDON
NOV 09 2017
-V V v v
BIODEGRADABLE EROSION -
CONTROL BLANKET EXTEND
Y BEYOND LIMITS OF
PLANTING PIT ON ALL
SIDES.
T MIN. CLR. FROM
EXCAVATION FOR
EXISTING GRADE ----\ BLOCK WALLS
1.5
1�
PLANTING PIT WIDTH VARIES
SEE LANDSCAPE PLANS
=IIIIII
TAPER TO
EXISTING-1-1
GRADE
III=1—III—
—I 11-1 11-1 11-1 I I
TOPSOIL
TYPE 'A':::''
11—III—III—III—III—I
—III—III—I11=III=11I—
EXISTING
SANDSTONE
TAPER TO
EXISTING
GRADE
EXISTING
GRADE
SCARIFY
SUBGRADE
COIR LOG STAKE
PLANT DRIFT
16" DIA. PLANTING PIT
COIR LOG
NOTES:
THIS DETAIL TO BE USED FOR NEW PLANT MIX AREAS ONLY.
TYPICAL REMEDIAL SHRUB PLANTING PIT
RELEASED FOR CONSTRUCTION
TOPSOIL TYPE 'A'
BIODEGRADABLE EROSION
CONTROL BLANKET EXTEND 3'
BEYOND LIMITS OF PLANTING
PIT ON ALL SIDES.
5
5��J6
QUARRY SPALLS
CHOKED WITH TOPSOIL C�
TYPE A AND COVERED
W/ 1%2" TOPSOIL
3" DEPTH WOOD
CHIP MULCH, FEATHER
\III=III=III=
DEPTH TO STEM.
\/�\ II IIIIII IIIIII II
MULCH SHALL NOT
*
/\/// III —III—
III=III=III
OVER EXCAVATE EXIST.
CONTACT STEM.
2" WATER
\\/\\
III II
SANDSTONE AS REQUIRED TO
ALLOW FOR 6" MIN. TOPSOIL
RETENTION BASIN
/jV\/\/j IIII
';; A//A III —III —I
BACKFILL BENEATH ROOTBALL.
EXISTING SOIL
AAjA III III
j
// / 1— —
* NOTE:
FOR SEEDED AREAS AND
BACKFILL WITH
SOIL REMOVED
INTERPLANTING AREAS PROVIDE
INTERPLANTING
4' DIA. MULCH RING AROUND
FROM HOLE
,� �
3 TIMES ROOT SPREAD
EACH PLANT
SEE DETAIL 1/LD03 FOR
REMEDIAL SHRUB
OR ROOT BALL DIAMETER
INTERPLANTING
ADDITIONAL LAYOUT
INFORMATION AND DIMENSIONS. 2
3
N.T.S.
TAPER TO 1
EXISTING
GRADE —::
EXISTING
GRADE -III-
2
EXISTING
SANDSTONE
GEOTEXTILE
FABRIC
SCARIFY
SUBGRADE
QUARRY SPALLS
REMEDIAL SHRUB PLANTING PIT 'N'
REMEDIAL SHRUB PLANTING PIT
FILE NAME c:\pwworking\nai\ex-phanlXd0321992\C8811_DE_LD02.dgn
TIME 11:40:29 AM
REGION
O.
STATE
FED.AID PROJ.NO.
DATE 11/9/2017
REV 2 - RFC RFI0046 RELOCATED NOTES & DETAILS
11/07/17
10
WAS
PLOTTED BY LaniP
REV C -FINAL REVIEW-PKG. 6D
06/09/17
DESIGNED BY C. PETERSEN
REV 1 -LAYOUT NOTE 4, DETAIL 2/1-0102
02/10/17
JOB NUMBER
ENTERED BY L. PHAN
REV 0 - RELEASED FOR CONSTRUCTION
02/08/17
CHECKED BY C. PETERSEN
REV B -FINAL REVIEW
12/09/16
CONTRACT NO.
C8811
LOCATION NO.
PROJ. ENGR. C. CHEN
REV A - PRELIMINARY REVIEW
10/31/16
REGIONAL ADM. L. ENG
REVISION
DATE
BY
DATE I �^/ DATE
P.E.STAMP BOX P.E. STAMP BOX
N.T.S.
1. CALL BEFORE YOU DIG. CONTRACTOR SHALL BE RESPONSIBLE FOR
LOCATING UTILITIES PRIOR TO BEGINNING WORK. NOT ALL UTILITIES ARE
SHOWN ON LANDSCAPE SHEETS. SEE EXISTING UTILITY PLANS FOR UTILITIES
REFER TO ITS AND ILLUMINATION PLANS FOR BURIED CONDUIT LOCATIONS.
2. THE CONTRACTOR IS ADVISED THAT PLANTING AREA CHANGES MAY BE
REQUIRED IN THE FIELD DUE TO ADDITIONAL CONSTRUCTION DISTURBANCE
ALL DISTURBED AREAS SHALL BE PLANTED EXCEPT AS LIMITED BY CLEAR
ZONE, SITE DISTANCE AND SETBACK CHART.
3. PLANTING AREA OFFSETS SHALL BE STAKED IN THE FIELD BY
CONTRACTOR AND APPROVED BY THE ENGINEER PRIOR TO PLANTING.
4. BAREROOT PLANT MATERIALS SHALL ONLY BE ALLOWED IF DORMANT AT
TIME OF PLANTING.
5. PLANTS OF THE SAME SPECIES SHALL BE PLANTED IN GROUPS OF
VARYING QUANTITY PER THE PLANT LIST. GROUPS SHALL BE IRREGULARLY
SHAPED, LINEAR MASSES ROUGHLY PARALLEL TO THE PLANT ZONE GRADE
CONTOURS. SPECIES SHALL BE RANDOMLY MIXED THROUGHOUT EACH
PLANTING ZONE. TREE GROUPINGS MAY BE INTERPLANTED WITH SHRUBS.
6. ALL SEEDING AND PLANTING AREAS SHALL BE WEED FREE PRIOR TO
APPLICATION OF SOIL AMENDMENT, TOPSOIL, AND COMPOST.
7. ALL PLANTING AND INTERPLANTED AREAS SHALL BE TREATED WITH AN
APPROVED NON -SELECTIVE, NON -RESIDUAL, HERBICIDE A MINIMUM OF TWO
WEEKS PRIOR TO PLANTING.
8. REED CANARY GRASS, KNOTWEED, AND BLACKBERRY SHALL BE TREATED
WITH AN APPROVED NON -SELECTIVE, NON -RESIDUAL, HERBICIDE A MINIMUM OF
TWO TIMES PRIOR TO PLANTING.
THE SECOND APPLICATION OF HERBICIDE SHALL BE MADE AFTER A MINIMUM
OF SIX WEEKS, OR WHEN THE REMAINING REED CANARY GRASS, KNOTWEED,
OR BLACKBERRY HAS RE -GROWN TO A HEIGHT OF 6 INCHES TO 12 INCHES,
WHICHEVER IS EARLIER.
9. FOR REED CANARY GRASS, HERBICIDE APPLICATIONS SHALL BE MADE
BETWEEN THE MONTHS OF APRIL AND SEPTEMBER. FOR KNOTWEED AND
BLACKBERRY, HERBICIDE APPLICATIONS SHALL BE APPLIED NO EARLIER THAN
JUNE 15TH. NO CUTTING OF LIVE KNOTWEED SHALL OCCUR.
10. ALL KING COUNTY CLASS A AND CLASS B NOXIOUS WEEDS SHALL BE
ERADICATED.
11. CONTRACTOR SHALL NOT DRIVE EQUIPMENT OVER THE MEDIA FILTER
DRAIN (MFD) OR COMPOST -AMENDED VEGETATED FILTER STRIP CAVFS BMP
INSTALLATIONS ONCE INSTALLED PER WSDOT STANDARD SPECIFICATION
7-01.3. REFER TO DRAINAGE DETAIL SHEET DD08 FOR MFD AND CAVFS
LOCATIONS.
12. CONTRACTOR SHALL NOT SEED, FERTILIZE OR MULCH MEDIA FILTER DRAIN
MIX AREAS PER WSDOT STANDARD SPECIFICATION 7-01.3. REFER TO
DRAINAGE DETAIL SHEET DD08 FOR MFD LOCATIONS.
13. IMPACT LINES SHOWN ON PLANS ARE APPROXIMATE. ANY ADDITIONAL
IMPACTS AND DISTURBANCE WILL REQUIRE ADDITIONAL PLANTING.
14. SEE STD. SPEC. 1-07.16(2) FOR VEGETATION PROTECTION AND RESTORATION
REQUIREMENTS OUTSIDE IMPACT LINES AND CUT/FILL LINES OR IN ANY
AREAS WHERE EXISTING VEGETATION IS TO BE PRESERVED.
15. FOR EROSION CONTROL SEEDING AREAS SUFFICIENT QUANTITIES OF
FERTILIZER SHALL BE APPLIED TO SUPPLY THE FOLLOWING AMOUNTS OF
NUTRIENTS:
TOTAL NITROGEN AS N - 135 POUNDS PER ACRE.
AVAILABLE PHOSPHORIC ACID AS P205 - 60 POUNDS PER ACRE.
SOLUBLE POTASH AS K20 -60 POUNDS PER ACRE.
THE CONTRACTOR SHALL PROVIDE A MANUFACTURER'S CERTIFICATE THAT
THE PRODUCT CONTAINS 67% OR GREATER SLOW RELEASE NITROGEN WITH
A RELEASE TIME PERIOD GREATER THAN SIX WEEKS AND THAT
HYDROSEEDING IS AN ACCEPTABLE APPLICATION METHOD.
THE FERTILIZER FORMULATION AND APPLICATION RATE SHALL BE APPROVED
BY THE ENGINEER BEFORE USE.
16. TOPSOIL TYPE A SHALL BE 60% TO 70% SANDY LOAM AND 40% TO 30%
FINE COMPOST BY VOLUME. SANDY LOAM SHALL BE AS DEFINED BY THE US
DEPARTMENT OF AGRICULTURE SOIL TEXTURE TRIANGLE AND DOCUMENTED
WITH A PARTICLE SIZE ANALYSIS FROM A LABORATORY THAT IS ACCREDITED
TO PERFORM AASHTO T 88 "PARTICLE SIZE ANALYSIS OF SOILS."
THE FINE COMPOST SHALL CONFORM TO THE REQUIREMENTS OF 9-14.4(8).
TOPSOIL TYPE A SHALL BE THOROUGHLY BLENDED OFF SITE BEFORE
PLACEMENT AND SHALL MEET THE FOLLOWING REQUIREMENT:
ORGANIC CONTENT GREATER THAT 8% BUT LESS THAN 15% AS
MEASURED ON A DRY WEIGHT BASIS USING AASHTO T 267
DETERMINATION OF ORGANIC CONTENT IN SOILS BY LOSS ON IGNITION.
AT LEAST 14 CALENDAR DAYS PRIOR TO PLACEMENT,THE CONTRACTOR
SHALL SUBMIT TO THE ENGINEER A REQUEST FOR APPROVAL OF MATERIAL
SOURCE CONTAINING INDEPENDENT TEST RESULTS FROM A WASHINGTON
STATE DEPARTMENT OF ECOLOGY ACCREDITED LABORATORY SHOWING THE
TOPSOIL TYPE A_MEETS _ALL REQUIREMENTS.
Admk
--
Washington State
Department of Transportation
PLAN REF NO
1-405 / SR 167 INTERCHANGE LD02
DIRECT CONNECTOR
SHEET
288
OF
LANDSCAPE DETAILS 88
SHEETT
S