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DRIPLINE OF
DIA OF BASE
1.25', WHICF
GREATER (SE
TEMP CHI
CONSTRUI
CFF r\inTF 2
DETAIL - INDIVIDUAL TREE PROTECTION
SCALE: NTS
TREE PROTECTION NOTES:
DRIPLINE OF
DIA OF BASE
1.25', WHICF
GREATER (SE
TEMP CHP
CONSTRU(
5v-w MAX PncT CPA
1. TREE PROTECTION SHALL BE INSTALLED PRIOR TO START OF CONSTRUCTION ACTIVITIES AND REMAIN THROUGHOUT THE WORK AS NECESSARY TO PROTECT EXISTING VEGETATION TO REMAIN.
2. PROTECT ALL TREES AND OTHER PLANT MATERIAL SCHEDULED TO REMAIN. DO NOT PARK ANY VEHICLES OR EQUIPMENT, STORE MATERIALS OR STOCKPILED SOIL, DISPOSE OF BUILDING MATERIALS,
CHEMICALS, PETROLEUM PRODUCTS, OR OTHER DETRIMENTAL SUBSTANCES WITHIN LIMITS OF TREE PROTECTION FENCING OF ANY EXISTING TREE TO REMAIN. PROTECT EXISTING TREES FROM FLAME,
SMOKE, AND HEAT. CONSTRUCTION ACCESS TO SITE SHALL NOT OCCUR BENEATH DRIP LINE OF EXISTING TREES UNTIL SPECIAL PROVISIONS HAVE BEEN MET TO PROTECT ALL EXISTING VEGETATION TO
REMAIN. THE CONTRACTOR SHALL BE RESPONSIBLE FOR ALL DAMAGE TO EXISTING TREES AND PLANT MATERIAL DURING CONSTRUCTION. ALL CLEARING AND GRUBBING OR EXCAVATION WITHIN
LIMITS OF TREE PROTECTION FENCING SHALL BE DONE BY HAND METHODS.
3. A TEMPORARY CHAIN LINK CONSTRUCTION FENCE SHALL BE INSTALLED AROUND THE GREATER OF THE PROTECTED TREE DRIPLINE OR SURROUNDING A TREE AT A DISTANCE EQUAL TO OR GREATER
THAN 1.25 FEET FOR EACH 1-INCH OF TRUNK WIDTH LOCATED 3-FEET ABOVE THE LOWEST GRADE. TEMPORARY FENCE SHALL BE INSTALLED TO SURROUND TREE(S).
4. TEMPORARY CHAIN LINK FABRIC TO BE MINIMUM 11 GAUGE, GALVANIZED. DO NOT USE RUSTED OR MALFORMED FABIC.
5. POSTS SHALL BE GALVANIZED 2"0 STANDARD PIPE POSTS, OR APPROVED EQUAL. INSTALL POSTS TO AVOIDED DAMAGE TO MAJOR ROOTS, AND WITH SUFFICIENT EMBEDMENT TO SUPPORT FENCE.
CONCRETE FENCE POST FOOTINGS ARE ACCEPTABLE OVER PAVED SURFACES.
6. ROOTS 1-INCH IN DIAMETER AND GREATER EXPOSED DURING CONSTRUCTION SHALL HAVE A CLEAN STRAIGHT CUT TO REMOVE DAMAGED PORTION OF ROOT, AND ALL EXPOSED ROOTS SHALL BE
COVERED WITH TOPSOIL IMMEDIATELY TO PREVENT DRYING.
7. INDIVIDUAL TREES SHALL HAVE TEMPORARY FENCING PLACE ON FOUR SIDES, WITH PLACARDS INSTALLED ON EACH SIDE. PLACARDS SHALL HAVE THE FOLLOWING WORDS, "NO TRESPASSING -
PROTECTED TREES".
8. WHERE EXCAVATING FOR NEW CONSTRUCTION IS REQUIRED WITHIN LIMITS OF TREE PROTECTION FENCING, EXCAVATE BY HAND TO MINIMIZE DAMAGE TO ROOTS AND PERFORM AS FOLLOWS:
A. USE NARROW TINE SPADING FORKS AND COMB SOIL TO EXPOSE ROOTS.
I B. IF MAIN LATERAL ROOTS ARE IMMEDIATELY ADJACENT TO LOCATION OF NEW CONSTRUCTION, THE CONTRACTOR SHALL NOTIFY THE OWNER'S REPRESENTATIVE PRIOR TO ANY EXCAVATION.
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7 C. DO NOT ALLOW EXPOSED ROOTS TO DRY OUT BEFORE PERMANENT BACKFILL IS PLACED.
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o D. PROVIDE TEMPORARY EARTH COVER AND/OR MOIST ORGANIC MULCH, OR PACK WITH PEAT MOSS AND WRAP WITH BURLAP. WATER AND MAINTAIN THE MOIST CONDITION UNTIL COVERED WITH
N BACKFILL.
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0 9. ANY TREE EXCEEDING 12 INCHES IN CALIPER AND LARGER, MEASURED 3 FEET ABOVE THE LOWEST GRADE IMMEDIATELY ADJACENT TO THE TREE IS CONSIDERED A SIGNIFICANT EXISTING TREE. ANY
m DAMAGE TO A SIGNIFICANT EXISTING TREE SHALL IMMEDIATELY BE REPORTED TO THE CITY.
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RECORD DRAWING
THESE RECORD DRAWINGS HAVE BEEN PREPARED BASED
IN PART ON INFORMATION PROVIDED BY OTHERS.
CHANGES SHOWN HAVE BEEN PROVIDED BY THE
> CONTRACTOR AND HAVE NOT BEEN VERIFIED BY THE
LICENSED ENGINEER OR LANDSCAPE ARCHITECT.
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WSP USA Inc.
33301 9th Avenue South
Suite 300
Federal Way, WA 98003-2600
TEL: (206) 431-2300
FAX: (206) 431-2250
NO.
REVISION
DETAIL - MULTIPLE TREE PROTECTION
SCALE: NTS
SURVEYED:
DESIGNED:
GDN
DRAWN:
AHK
CHECKED:
CSB
BY DATE AP P R APPROVED:
GDN
SCALE:
1 "=20'
ONE INCH
AT FULL SCALE •
IF NOT ONE INCH
SCALE ACCORDINGLY
CITY OF
RENTON
R-420209
IN COMPLIANCE WITH CITY OF RENTON STANDARDS
GENE COULON MEMORIAL BEACH PARK
TRESTLE BRIDGE REPLACEMENT
DETAILS - TREE PROTECTION
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10/26/23
FIELDBOOK: FB
PAGE` PAGE
DRAWING NO:
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