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PRELIMINARY TREE RETENTION PLAN
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OB RENTON PROPERTIES, LLC
Print Farm R esert Farm Save Fc r In
DEPARTMENT OF CdMMUN17YCI*-Y of
AND ECONOMIC DEVELOPMENT RentonO
1.
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TREE RETENTION WORKSHEET
Planning Division
1055 Sc LA Grader Woq-Renton, %�JA 38057
Phone: 425-430-7200 I www.rentonwa.gov
Tota I number of :reel over 6" diametc! r1 , or alder or cattonWoud
trees at least 8" in diameter or project site 1 30 1 trees
Deductions.- Certain trees are excluded from the re.ention calculation;
Trees that are- dangerous' 13 trees
Trees in proposed public streets 0 trees
Trees in proposed p1vate access casernenrts/tracts 0 trees
Trees in critical areas} and buffers 0 trees
13 trees
17 trees
Total number u�excluded trees:
3. Subtract fine 2 from Ifne 1:
4, Next, to determl rye the number of trees that must be retained4, rr ultiply rf 3 by
0.3 in zones RC, R-1, R-4, R-6 or R-8
0.7 in all other residential Zones
03 in all ccmmcmial and irld.i3tizil zonc5 2 trees
3. List the number of V in diameter. or alder Dr cn.tonwood tree
over 8" in d ameter trat you Erse proposing' to retain: 5 trees
6. Subtract fine 5 from Irne4for trees to be replaced:
I if line 6 is zero ar lema-Lop here. No r* G laceme-rtrees. a -e requiredl -' trees
-1, Multip!yUrre 6 b'{1?" for rumber o- required replacernerit inch est inches
8. Prcposed size of trees to meet addition&l planting req u,rernent;
(Minimum I"caliperirees required for reply -cement, otherwise entsr431 inches per tree
9. DhA cite fine 7 by rr xe 8 for number of replacement trees6:
�I'remainder is .S or --eater, round up to the neri in-hole nu-nber} 0 trees
1 P4 eagured nt 43' above grade.
I A wee certified, in a 'Arillen -epart. as dead, terrnirmaIN d'sea�ed, damagecLor o-t11ervAse dangerous to oerson5 or tp :YO;J IICEmed
andar,ape archi tetit, 4F -;eirtlfi rd arborist, and approver, hV the City.
3 Critical areas: such as wetlands, srearrE, float plains and protected slopes, are d?fin2d in RMC 4-3-00,
1 CoLnt ¢nly those trees to be retained aui;ide utcritica a-eas and buffers.
5 The Cqtyma'j require mod ificatic-i of the t-ae ret-prtian oan :a insure wan tic n-af t I e maximu-n number of trees per PhiCL•4-130"7a
6 When :he required rum ber cr pwtec-.ed -roes carnat be retia fined, -eplace-nert -.reel,. v%ith at least a two --i dh r2' j cEIipe- or an evergreen at least
mix fey: ;6'i tall, shall be planted. See � liC 4-4-30.H.1 c.lii)for p rohibi-we topes cf replacermant trees
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3. TREE PROTECTION FENCING SHALL BE PURCHASED IN CONTINUOUS ROLLS AND
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10/16/17
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8. GRADE SHALL NOT BE FILLED OR CUT WITHIN THE CRZ OF ANY TREE DESIGNATED
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TO REMAIN WITHOUT PRIOR REVIEW BY THE CITY'S QUALIFIED TREE PROTECTION
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10. TREES AND OTHER VEGETATION TO BE RETAINED SHALL BE PROTECTED FROM
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EROSION AND SEDIMENTATION.
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TREE PRESERVATION NOTES
TREE PROTECTION DETAIL
NOT TO SCALE
1. THE CRITICAL ROOT ZONE (CRZ)OF PROTECTED TREES SHALL BE MARKED PRIOR
TO CLEARING AND GRADING ACTIVITIES.
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2. 3" OF COMPOSTED WOODCHIPS SHALL BE PLACED OVER THE CRZ OF ALL RETAINED
SCALE: 1 =LU
TREES.
3. TREE PROTECTION FENCING SHALL BE PURCHASED IN CONTINUOUS ROLLS AND
CUT TO THE LENGTH OF THE BARRIER TO AVOID USE OF JOINTS. WHEN JOINTS ARE
DESIGNED:
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NECESSARY, FENCING SHALL BE SPLICED TOGETHER ONLY AT A SUPPORT POST
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WITH MIN. 6" OVERLAP, AND SECURELY FASTEN BOTH ENDS TO THE POST.
4. THE TREE PROTECTION FENCE SHALL BE INSTALLED AND MAINTAINED A MINIMUM
2
OF T BEYOND THE OUTER EDGE OF THE CRZ FOR ALL PROTECTED TREES. FENCING
ARGEMENT
SHALL COMPLETELY SURROUND THE REQUIRED TREE PROTECTION AREA. FENCING
AS
SHALL REMAIN IN PLACE UNTIL THE CITY AUTHORIZES THE REMOVAL OR ISSUES A
ONE INCH
FINAL CERTIFICATE OF OCCUPANCY, WHICHEVER OCCURS FIRST.
ISSUED FOR REVIEW
5. TREE PROTECTION FENCING SHALL BE INSTALLED PRIOR TO ANY LAND
10/16/17
DISTURBANCE ACTIVITIES.
CHECKED:
AS
6. NO STORAGE OF MATERIALS OR EQUIPMENT WITHIN THE CRITICAL ROOT ZONE IS
NO.
ALLOWED. DURING DEVELOPMENT, NO PERSON SHALL ATTACH ANY OBJECT TO ANY
BY
DESIGNATED FOR PROTECTION.
APPR
7. REPLACE/REPAIR PROTECTIVE FENCING AS REQUIRED.
EXT'G GRADE
8. GRADE SHALL NOT BE FILLED OR CUT WITHIN THE CRZ OF ANY TREE DESIGNATED
TO REMAIN WITHOUT PRIOR REVIEW BY THE CITY'S QUALIFIED TREE PROTECTION
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PROFESSIONAL AND ADVANCE, WRITTEN APPROVAL FROM THE DIRECTOR.
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9. TO THE GREATEST EXTENT PRACTICAL, UTILITY TRENCHES SHALL BE LOCATED
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OUTSIDE OF THE ROOT PROTECTION ZONE OF TREES TO BE RETAINED. BORING OR
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TUNNELING UNDER THE CRZ MAY BE CONSIDERED AN ALTERNATIVE, BUT SHALL
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REQUIRED THE ADVANCE, WRITTEN APPROVAL OF THE DIRECTOR.
COMPACTED OR
10. TREES AND OTHER VEGETATION TO BE RETAINED SHALL BE PROTECTED FROM
EXISTING SUBGRADE
EROSION AND SEDIMENTATION.
TREE PROTECTION DETAIL
NOT TO SCALE
CITY OF RENTON
t]EPARTMENT OF PUBLIC WORKS
APPROVED BY
APPROVED BY
DATE
DATE
DATE
APPROVED BY DATE
�Q
STATE OF
WASHINGTON
REGISTERED
LANDSCAPE IRIHITECT
JEFF M. VARLEY
CERTIFICATE No. 774
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SURVEYED:
BCE
SCALE: 1 =LU
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DESIGNED:
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TREE DATA
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3/12/18
AS
DRAWN:
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ONE INCH
1
ISSUED FOR REVIEW
MFB
10/16/17
AS
CHECKED:
AS
AT FULL SCALE
IF NOT ONE INCH
SCALE ACCORDINGLY
NO.
REVISION
BY
DATE
APPR
APPROVASED:
CITY OF RENTON
t]EPARTMENT OF PUBLIC WORKS
APPROVED BY
APPROVED BY
DATE
DATE
DATE
APPROVED BY DATE
�Q
STATE OF
WASHINGTON
REGISTERED
LANDSCAPE IRIHITECT
JEFF M. VARLEY
CERTIFICATE No. 774
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PRELIMINARY TREE RETENTION PLAN D09/12/2017
CITY 0 F FOR
FIELDBOOK:
RENTON OB RENTON PROPERTIES, LLC PAGE:
DRAWING N0:
Planning/Building/Public Works Dept. S.W. 16th STREET
RENTON, WASHINGTON 98055 SHEETL_2 OF:
EMEREENE
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