HomeMy WebLinkAboutR-400607NE 114 SECTION 29, TOWNSHIP 23 N, RANGE 5 E, W.M.
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JOINTS IN FILTER FABRIC SHALL BE SPLICED
AT POSTS. USE STAPLES, WIRE RINGS, OR
EQUIVALENT TO ATTACH FABRIC TO POaTS.
u
POST SPACING MAY BE INCREASED
TO S' IF WIRE BACKING IS USED
2W BY 14 G. WIRE OR
EQUIVALENT, IF STANDARD
STRENGTH FABRIC USED
FILTER FABRIC
MINIMUM 4k4' TRENCH
BACKFILL TRENCH WITH
NATIVE SOIL
2-xC WOOD POSTS, STEEL FENCE /
POSTS, REBAR, OR EQUIVALENT
5
IS
1. CONDITION OF USE
1.1. SLT FENCE MAY BE USED DOWNSLOPE OF ALL DISTURBED AREAS.
1.2. SILT FENCE IS NOT INTENDED TO TREAT CONCENTRATED FLOWS, NOR IS INTENDED TO TREAT SUBSTANTIAL AMOUNTS OF OVERLAND FLO%
ANY CONCENTRATED FLOW MOST BE CONVEYED THROUGH THE DRAINAGE SYSTEM TO A SEDIMENT TRAP OR POND.
2. DESIGN AND INSTALLATION SPECIFICATIONS
2.1. THE GEOTEXTILE USED MOST MET THE STANDARD LISTED BELLOW. A COPY OF THE MANUFACTURER'S FABRIC SPECIFICATIONS MOST BE
AVAILABLE ON SITE.
3D-1011SIEVESI1EI=0.15MM) FORSILTRLM
AOS(ASTMD4751)
5PIODSIEVESI. 03PQ. 'DROTHER FABRICS
WATER PERMITnVfrY ASTM DOI
0.02SEC1IMINIMUM
Las. MIN. FOR EXTRASTREN94 FABRIC
GRAB TENSILE STRENCHT(ASTM D4632)
100 LBS. MN. FOR STANDARD STRENGHT FABRIC
GRAB TENSILE ELONGATION ASTM D4632
3D%MAX,
ULTRAVIOLATE RESISTANCE ASTM D4
70MMTN.
2.2. STANDARD STRENGTH FABRIC REQUIRES WIRE BACKING TO INCREASE THE STRENGTH OF THE FENCE. WIRE BACKING OR CLOSER POST
SPACING MAY BE REQUIRED FOR EXTRA STRENGTH FABRIC IF FIELD PERFORMANCE WARRANTS A STRONGER FENCE.
2.3. WHERE THE FENCE IS INSTALLED, THE SLOPE SHALL NOT BE STEEPER THAN 2HAV
2.4. IF A TYPICAL SILT FENCE IS USED, THE STANDARD 4X4 TRENCH MAY NOT BE REDUCED AS LONG AS THE BOTTOM 8 INCHES OF THE SILT FEh
IS WELL BURIED AND SECURE IN A TRENCH THAT STABILIZES THE FENCE AND DOES NOT ALLOW WATER TO BYPASS OR UNDERMINE THE Sit
FENCE.
3. MAINTENANCE STANDARDS
3.1. ANY DAMAGE SHALL BE REPAIR IMMEDIATELY.
3.2. IF CONCENTRATED FLOES ARE EVIDENT UPHILL OD THE FENCE, THEY MUST BE INTERCEPTED AND CONVEYED TO A SEDIMENT TRAP OR PO
3.3. IT IS IMPORTANT TO CHECK THE UPHILL SIDE OF THE FENCE FOR SIGNS OF THE FENCE CLOGGING AND ACTING AS A BARRIER TO FLOW ANE
THEN CAUSING CHANNEUZATION OF FLOWS PARALLEL TO THE FENCE. IF THIS OCCURS, REPLACE THE FENCE OR REMOVED THE TRAP
SEDIMENT.
3A SEDIMENT MOST BE REMOVED WHEN SEDIMENT IS 61NCHES HIGH.
3.5. IF THE FILTER FABRIC (GEOTEXTILE) HAS DETERIORATED DUE TO ULTRAVIOLET BREAKDOWN, IT SHALL BE REPLACED.
R=25'MIN.
DRIVEWAYS SHALL BE PAVED TO THE EDGE
OF R-O-W PRIOR TO INSTALLATION OF THE
CONSTRUCTION ENTRANCE TO AVOID
/
DAMAGING OF THE ROADWAY
IT IS RECOMMENDED THAT THE
\
ENTRANCE BE CROWNED SO THAT
RUNOFF DRAINS OFF THE PAD
2
INSTALL DRIVEWAY CULVERT IF THERE
ISA ROADSIDE DITCH PRESENT, AS
PER CITY ROAD STANDARDS
4'-8' QUARRY SPALLS
GEOTEXTILE
�5
tA�
12'MIN. THICKNESS PRO VIDEFULLWIDTHOF
NOTES INGRESS/EGRESS AREA
1. CONDITION OF USE
1.1. CONSTRUCTION ENTRANCE SHALL BE STABILIZED WHEREVER TRAFFIC WILL BE LEAVING A CONSTRUCTION SITE AND TRAVELING
PAVED ROADS OR OTHER PAVED AREAS WITHIN 1,000 FEET OF THE SITE.
GRAB TENSILESTREBNGTH ASfMD4751
200 PSI MIN.
GRAB TENSILEELONGATION ASTM D4632
30%MAX.
MUILEN BURSTSTRENGTH ASTM D3786-SOA
1400 PSI MN.
AOS ASTM fD4751
2045 U.S. STAN DARD SI EVE SIZE)
2. DESIGN AND INSTALLATION SPECIFICATIONS
2.1. HOG FUEL (WOOD BASED MULCH) MAY BE SUBSTITUTED FOR OR COMBINED WITH QUARRY SPALLS IN ARES THAT WILL BOT BE US
FOR PERMANENT ROADS. HOG FUEL IS NOT RECOMMENDED FOR ENTRANCE STABILIZATION IN URBAN AREAS. THE INSPECTOR W
AT ANYTIME REQUIRE THE USE OF QUARRY SPALLS IF THE HOG FUEL IS NOT PREVENTING SEDIMENT FROM BEING TRACKED ON'
PAVEMENT OR IF THE HOG FUEL IS BEING CARRIED ONTO PAVEMENT.
2.2. FENCING SHALL BE INSTALLED AS NECESSARY TO RESTRICT TRAFFIC TO THE CONSTRUCTION ENTRANCE.
2.3. WHENEVER POSSIBLE, THE ENTRANCE SHALL BE CONSTRUCTED ON A FIRM, COMPACTED SUBGRADE. THIS CAN SUBSTANTIALLY
INCREASE THE EFFECTIVENESS OF THE PAD AND REDUCE THE NEED FOR MAINTENANCE.
3. MAINTENANCE STANDARDS
3.1. QUARRY SPALLS SHALL BE ADDED IF THE PAD IS NO LONGER IN ACCORDANCE WITH THE SPECIFICATIONS.
3.2. IF THE ENTRANCE IS NOT PREVENTING SEDIMENT BEING TRACKED ONTO PAVEMENT, THEN ALTERNATIVE MEASURES TO KEEP THI
STREETS FREE OF SEDIMENT SHALL BE USED. THIS MAY INCLUDE STREET SWEEPING, AN INCREASE IN THE DIMENSIONS OF THE
ENTRANCE, OR THE INSTALLATION OF THE WHEEL WASH. IF WASHING IS USED, IT SHALL BE DONE ON AN AREA COVERED WITH
CRUSHED ROCK, AND WASHED WATER SHALL DRAIN TO A SEDIMENT TRAP OR POND,
3.3. ANY SEDIMENT THAT IS TRACKED ONTO PAVEMENT SHALL BE REMOVED IMMEDIATELY BY SWEEPING. THE SEDIMENT COLLECTED
SWEEPING SHALL BE REMOVED OR STABILIZED ON SITE. THE PAVEMENT SHALL NOT BE CLEANED BY WASHING DOWN THE STREE
EXCEPT WHEN SWEEPING IS INEFFECTIVE AND THERE IS A THREAT TO PUBLIC SAFETY. IF IT NECESSARY TO WASH THE STREETS,
SMALL SUMP MUST BE CONDUCTED. THE SEDIMENT WOULD THEN BE WASHED INTO THE SUMP WHERE IT CAN BE CONTROLLED At
DISCHARGED APPROPRIATELY.
3.4. ANY QUARRY SPALLS THAT ARE LOOSENED FROM THE PAD AND END UP ON THE ROADWAY SHALL BE REMOVED IMMEDIATELY.
3.5. IF VEHICLES ARE ENTERING OR EXITING THE SITES AT POINTS OTHER THAN THE CONSTRUCTION ENTRANCE(S), FENCING SHALL B
INSTALLED TO CONTROL TRAFFIC.
BETHANY CORNER
DRAINAGE GRATE
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FILTERED
WATER
0 0
SECTION VIEW
DRAINAGE GRATE
RECTANGULAR GRATE SHOWN
BELOW INLET GRATE DEVICE
TRIM
OVERFLOW BYPASS
BELOW INLET GRATE DEVICE
RETRIEVAL SYSTEM (TIP.)
OVERFLOW BYPASS (11
ISOMETRIC VIEW
NOTES
1. Size the Below Inlet Grate Device (BIGD) for the storm water structure R Will service.
2. The BIGD shall have a built -In hlgMflow relief system (overflow bypass).
3. The retrieval system must allow removal of the BIGD without Spilling the collected material.
4. Perform maintenance In accordance with Standard Specification 8-01.3(15).
2:1 MAX. SLOPE
2' MIN.
SWALE SPACING DEPENDS ON SLOPE GRADIENT
NOTES
1. CONDITION OF USE
1.1. REQUIRED AT:
1.1.1. THE TOP OF ALL SLOPES IN EXCESS OF 3H:1 V AND WITH MORE THAN 20 FEET OF VERTICAL RELIEF.
1.1.2. AT INTERVALS ON ANY SLOPES THAT EXCEEDS THE DIMENSIONS SPECIFIED BELLOW.
AVERAGE SLOPE
SLOPE PERCENT
FLOWPATH LENGTH
20HAV
3-5*A
300 FEET
10TO20 HAV
S10'A
200FEET
4TO 30 H:1V
10.25%
100 FEET
2 TO 4 HAV
25-50%
50 FEET
2. DESIGN AND INSTALLATION SPECIFICATIONS
2.1. FOR SLOPES STEEPER THAN 2H:1 V WITH MORE THAN 10 FEET OF VERTICAL RELIEF, BENCHES MAYBE CONSTRUCTED OR CLOSER
SPACED INTERCEPTOR SWALES MAYBE USED. THE DESIRE MEASURE MOST BE DESIGNED BY AN ENGINEER TO EFFECTIVELY
INTERCEPT THE HIGH VELOCITY RUNOFF TO A SEDIMENT POND OR TRAP,
2.2. CONSTRUCTION TRAFFIC OVER TEMPORARY SWALES SHALL BE MINIMIZED.
3. MAINTENANCE STANDARDS
3.1. DAMAGE RESULTING FROM RUNOFF OR CONSTRUCTION ACTIVITY SHALL BE REPAIRED IMMEDIATELY.
3.2. IF THE FACILITY DO NOT REGULARLY RETAIN STORM RUNOFF, THE CAPACITY AND/OR FREQUENCY OF THE SWALES SHALL BE
INCREASED.
2:1 SLOPES
NOTES
1. CONDITION OF USE
1.1. WERE CONCENTRATED RUNOFF FROM DISTURBED AREAS TO AND FROM PONDS OR TRAPS.
1.2. TO CONVEY RUNOFF INTERCEPTED FROM UNDISTURBED AREAS AROUND THE SITE TO A NON -EROSIVE DISCHARGE POINT.
2. MAINTENANCE STANDARDS
2.1. ANY SEDIMENT DEPOSITION OF MORE THAN 0.5 FEET SHALL BE REMOVED SO THAT THE CHANNEL IS RESTORED TO ITS ORIGINAL
DESIGN CAPACITY.
2.2. THE CHECK DAMS SHALL BE EXAMINED FOR SIGNS OF SCOURING AND EROSION OF THE BED AND BANKS. IF SCOURING AND EROSION
HAS OCCURRED, AFFECTED AREAS SHALL BE PROTECTED BY RIPRAP OR AN EROSION CONTROL BLANKET.
+®o STD. PLAN - 214.00 T o STD. PLAN - 215.10 o STD. PLAN - 216.30 STD. PLAN - 217.10
PUBLIC WORKS SILT FENCE 0
� ® PUBLIC WORKS STABILIZED PUBLIC WORKS CATCH BASIN FILTER ® PUBLIC WORKS INTERCEPTOR SWALE . PUBLIC WORKS CHECK DAMS SPACING AND
DEPARTMENT ` ` F MARCH 2O08 MARCH 2O08 MARCH 2O08 MARCH 2O08 DEPARTMENT CONSTRUCTION ENTRANCE DEPARTMENT DEPARTMENT DEPARTMENT CROSS SECTIONS
F
5. Remove filters after homes are constructed.
4' MIN
1' OVERFLOW DEPTH
V DEPTTH 2'• 4' ROCK OUTFLOW
CHANNEL IF
CONSTRUCTED BY
3 - a EXCAVATION.
2' SETTLING DEPTH 1 -.: ?:: r<i ?,1 1 SIMAX
1.6' SEDIMENT STORAGE J \\
/ .al® FILTER FABRIC FENCING
1' DEPTH 314' -1-Irr WASHED GRAVEL
CROSS SECTION
NITS
NOTE:
MAY BE CONSTRUCTED BY EXCAVATION
OR BY BUILDING A BERM
o STD. PLAN - 211.00
+ PUBLIC WORKS SEDIMENT TRAP
DEPARTMENT
g MARCH 2O08
r�
Call 2 Working Days Before You Dig
811
Utilities Underground Location Center
(ID,IVIT,ND,OR,WA)
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EROSION CONTROL NOTES & SPECIF/CA TONS
1. THESE NOTES SHALL APPEAR FOR ALL PROJECTS - SITE IMPROVEMENTS, SURFACE WATER UTILITY, WASTEWATER UTILITY, WATER UTILITY, AND TRANSPORTATION
PLANS:
2. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRE -CONSTRUCTION MEETING MUST BE HELD BETWEEN THE CITY OF RENTON DEVELOPMENT
ENGINEERING SECTION AND THE APPLICANT. THIS MEETING MAY INCLUDE ADDITIONAL CITY OF RENTON REPRESENTATIVES AS DETERMINED BY THE CITY OF RENTON
DEVELOPMENT ENGINEERING SECTION.
3. THE BOUNDARIES OF THE CLEARING LIMITS AND AREAS OF VEGETATION PRESERVATION AS PRESCRIBED ON THE PLAN(S) SHALL BE CLEARLY FLAGGED BY
SURVEY TAPE OR FENCING IN THE FIELD PRIOR TO CONSTRUCTION IN ACCORDANCE WITH APPENDIX D OF THE SURFACE WATER DESIGN MANUAL AND OBSERVED
DURING CONSTRUCTION. DURING THE CONSTRUCTION PERIOD, NO DISTURBANCE BEYOND THE CLEARING LIMITS SHALL BE PERMITTED. THE CLEARING LIMITS SHALL BE
MAINTAINED BY THE APPLICANT/ESC SUPERVISOR FOR THE DURATION OF CONSTRUCTION.
4. STABILIZED CONSTRUCTION ENTRANCES SHALL BE INSTALLED AT THE BEGINNING OF CONSTRUCTION AND MAINTAINED FOR THE DURATION OF THE PROJECT.
ADDITIONAL MEASURES, SUCH ASCONSTRUCTED WHEEL WASH SYSTEMS OR WASH PADS, MAY BE REQUIRED TO ENSURE THAT ALL PAVED AREAS ARE KEPT CLEAN
AND TRACK OUT TO ROAD RIGHT OF WAY DOES NOT OCCUR FOR THE DURATION OF THE PROJECT.
5. ALL REQUIRED SEDIMENTATION/EROSION CONTROL FACILITIES MUST BE CONSTRUCTED AND IN OPERATION PRIOR TO LAND CLEARING AND/OR CONSTRUCTION TO
PREVENT TRANSPORTATION OF SEDIMENT TO SURFACE WATER, DRAINAGE SYSTEMS AND ADJACENT PROPERTIES. ALL EROSION AND SEDIMENT FACILITIES SHALL BE
MAINTAINED IN A SATISFACTORY CONDITION UNTIL SUCH TIME THAT CLEARING AND/OR CONSTRUCTION IS COMPLETE AND POTENTIAL FOR ON -SITE EROSION HAS
PASSED. THE IMPLEMENTATION, MAINTENANCE, REPLACEMENT AND ADDITIONS TO EROSION/SEDIMENTATION CONTROL SYSTEMS SHALL BE THE RESPONSIBILITY OF THE
PERMIT££E, TESC SYSTEMS MUST BE REMOVED AFTER CONSTRUCTION ACTIVITY IS COMPLETE.
6. THE EROSION AND SEDIMENTATION CONTROL SYSTEMS DEPICTED ON THIS DRAWING ARE INTENDED TO BE MINIMUM REQUIREMENTS TO MEET ANTICIPATED SITE
CONDITIONS A CONSTRUCTION PROGRESSES AND UNEXPECTED OR SEASONAL CONDITIONS DICTATE, THE PERMI TEE SHALL ANTICIPATE THAT MORE EROSION AND
SEDIMENTATION CONTROL FACILITIES WILL BE NECESSARY TO ENSURE COMPLETE SILTATION CONTROL ON THE PROPOSED SITE. DURING THE COURSE OF
CONSTRUCTION, IT SHALL BE THE OBLIGATION AND RESPONSIBILITY OF THE PERMI TEE TO ADDRESS ANY NEW CONDITIONS THAT MAY BE CREATED BY THE
ACTIVITIES AND TO PROVIDE ADDITIONAL FACILITIES, OVER AND ABOVE MINIMUM REQUIREMENTS, AS MAY BE NEEDED, TO PROTECT ADJACENT PROPERTIES AND
WATER QUALITY OF THE RECEIVING DRAINAGE SYSTEM.
7. APPROVAL OF THIS PLAN IS FOR EROSION/SEDIMENTATION CONTROL ONLY. IT DOES NOT CONSTITUTE AN APPROVAL OF STORM DRAINAGE DESIGN, SIZE NOR
LOCATION OF PIPES, RESTRICTORS, CHANNELS, OR RETENTION FACILITIES.
8. ANY AREAS OF EXPOSED SOILS, INCLUDING ROADWAY EMBANKMENTS, THAT WILL NOT BE DISTURBED FOR TWO DAYS DURING THE WET SEASON (OCTOBER lsr
TROUGH MARCH 30m) OR SEVEN DAYS DURING THE DRY SEASON (APRIL 1ST TOUGH SEPTEMBER 30) SHALL BE IMMEDIATELY STABILIZED WITH THE APPROVED ESC
COVER METHODS (E.G., SEEDING, MULCHING, PLASTIC COVERING, ETC.).
9. WET SEASON SEASONAL EROSION AND SEDIMENT CONTROL REQUIREMENTS APPLY TO ALL CONSTRUCTION SITES CLEARING BETWEEN OCTOBER 1 AND MARCH 30
INCLUSIVE, UNLESS OTHERWISE APPROVED BY THE CITY THROUGH AN ADJUSTMENT PROCESS.
10. COVER MEASURES WILL BE APPLIED IN CONFORMANCE WITH APPENDIX D OF THE SURFACE WATER DESIGN MANUAL.
11. ANY AREA NEEDING ESC MEASURES, NOT REQUIRING IMMEDIATE ATTENTION, SHALL BE ADDRESSED WITHIN SEVEN (7) DAYS.
12. THE ESC FACILITIES ON INACTIVE SITES SHALL BE INSPECTED AND MAINTAINED A MINIMUM OF ONCE A MONTH OR WITHIN 24 HOURS FOLLOWING A STORM
EVENT.
13. AT NO TIME SHALL MORE THAN ONE (1) FOOT OF SEDIMENT BE ALLOWED TO ACCUMULATE WITHIN A CATCH BASIN. ALL CATCH BASINS AND CONVEYANCE
LINES SHALL BE CLEANED PRIOR TO PAVING. THE CLEANING OPERATION SHALL NOT FLUSH SEDIMENT -LADEN WATER INTO THE DOWNSTREAM SYSTEM.
14. DURING THE TIME PERIOD OF OCTOBER lsr THROUGH MARCH 30m, ALL PROJECT DISTRIBUTED SOIL AREAS GREATER, THAT ARE TO BE LEFT UN -WORKED FOR
MORE THAN 12 HOURS, SHALL BE COVERED BY MULCH, SODDING OR PLASTIC COVERING.
15. ANY PERMANENT RETENTION/DETENTION FACILITY USED AS A TEMPORARY SETTLING BASIN SHALL BE MODIFIED WITH THE NECESSARY EROSION CONTROL
MEASURES AND SHALL PROVIDE ADEQUATE STORAGE CAPACITY. IF THE PERMANENT FACILITY IS TO FUNCTION ULTIMATELY AS AN INFILTRATION SYSTEM, THE
TEMPORARY FACILITY MUST BE ROUGH GRADED SO THAT THE BOTTOM AND SIDES ARE AT LEAST THREE FEET ABOVE THE FINAL GRADE OF THE PERMANENT
FACILITY.
16. PRIOR TO THE BEGINNING OF THE WET SEASON (OCT. 1), ALL DISTURBED AREAS SHALL BE REVIEWED TO IDENTIFY WHICH ONES CAN BE SEEDED IN
PREPARATION FOR THE WINTER RAINS. DISTURBED AREAS SHALL BE SEEDED WITHIN ONE WEEK OF THE BEGINNING OF THE WET SEASON. A SKETCH MAP OF THOSE
AREAS TO BE SEEDED AND THOSE AREAS TO REMAIN UNCOVERED SHALL BE SUBMITTED TO THE CITY OF RENTON FOR REVIEW.
D.R. STRONG
CONSUL TING ENGINEERS
ENGINEERS PLANNERS SURVEYORS
620 - Ah AVENUE KIRKLA ND, WA 98033
O 425.827.3063 F 425 827 2423
TREE PROTECTION MEASURES
STD. PLAN - 217.40
MARCH 2O08
a. CONSTRUCTION STORAGE PROHIBITED: THE APPLICANT MAY NOT FILL, EXCAVATE, STACK OR STORE ANY EQUIPMENT, DISPOSE OF ANY MATERIALS, SUPPLIES OR FLUIDS, OPERATE ANY
EQUIPMENT, INSTALL IMPERVIOUS SURFACES, OR COMPACT THE EARTH IN ANY WAY WITHIN THE AREA DEFINED BY THE DRIP LINE OF ANY TREE TO BE RETAINED.
b. FENCED PROTECTION AREA REQUIRED: THE APPLICANT SHALL ERECT AND MAINTAIN SIX FOOT (6) HIGH CHAIN LINK TEMPORARY CONSTRUCTION FENCING AROUND THE DRIP LINES OF
ALL RETAINED TREES, OR ALONG THE PER/METER OF A STAND OF RETAINED TREES. PLACARDS SHALL BE PLACED ON FENCING EVERY FIFTY FEET (50') INDICATING THE WORDS, "NO
TRESPASSING - PROTECTED TREES" OR ON EACH SIDE OF THE FENCING IF LESS THAN FIFTY FEET (50). SITE ACCESS TO INDIVIDUALLY PROTECTED TREES OR GROUPS OF TREES SHALL
BE FENCED AND SIGNED. INDIVIDUAL TREES SHALL BE FENCED ON FOUR (4) SIDES. IN ADDITION, THE APPLICANT SHALL PROVIDE SUPERVISION WHENEVER EQUIPMENT OR TRUCKS ARE
MOVING NEAR TREES.
C. PROTECTION FROM GRADE CHANGES: IF THE GRADE LEVEL ADJOINING TO A TREE TO BE RETAINED IS TO BE RAISED, THE APPLICANT SHALL CONSTRUCT A DRY ROCK WALL OR ROCK
WELL AROUND THE TREE. THE DIAMETER OF THIS WALL OR WELL MUST BE EQUAL TO THE TREE'S DRIP LINE.
d. IMPERVIOUS SURFACES PROHIBITED WITHIN THE DRIP LINE. THE APPLICANT MAY NOT INSTALL IMPERVIOUS SURFACE MATERIAL WITHIN THE AREA DEFINED BY THE DRIP LINE OF ANY
TREE TO BE RETAINED.
e. RESTRICTIONS ON GRADING WITHIN THE DRIP LINES OF RETAINED TREES: THE GRADE LEVEL AROUND ANY TREE TO BE RETAINED MAY NOT BE LOWERED WITHIN THE GREATER OF THE
FOLLOWING AREAS: (l) THE AREA DEFINED BY THE DRIP LINE OF THE TREE, OR (ll) AN AREA AROUND THE TREE EQUAL TO ONE AND ONE-HALF FEET (1-1/2) IN DIAMETER FOR EACH
ONE INCH OF TREE CALIPER. THE REVIEWING OFFICIAL MAY REQUIRE A LARGER TREE PROTECTION ZONE BASED ON TREE SIZE, SPECIES, SOIL, OR OTHER CONDITIONS.
f. MULCH LAYER REQUIRED: ALL AREAS WITHIN THE REQUIRED FENCING SHALL BE COVERED COMPLETELY AND EVENLY WITH A MINIMUM OF THREE INCHES (3) OF BARK MULCH PRIOR TO
INSTALLATION OF THE PROTECTIVE FENCING. EXCEPTIONS MAY BE APPROVED BY THE REVIEWING OFFICIAL IF THE MULCH WILL ADVERSELY AFFECT PROTECTED GROUND COVER PLANTS,
q. MONITORING REQUIRED DURING CONSTRUCTION: THE APPLICANT SHALL RETAIN A PROFESSIONAL ARBORIST OR OTHER QUALIFIED PROFESSIONAL TO PRUNE BRANCHES AND ROOTS,
FERTILIZE, AND WATER AS APPROPRIATE FOR ANY TREES AND GROUND COVER WHICH ARE TO BE RETAINED,
NO TES:
1. 6-FT. HIGH TEMPORARY CHAIN LINK FENCE SHALL BE PLACED AT THE
DR/PLINE OF THE TREE TO BE SAVED. FENCE SHALL COMPLETELY ENCIRCLE THE
TREE(S). INSTALL FENCE POSTS USING PIER BLOCKS ONLY. AVOID DRIVING
POSTS OR STAKES INTO MAJOR ROOTS.
2. FOR ROOTS OVER 1-IN DIA. THAT ARE DAMAGED DURING CONSTRUCTION,
MAKE A CLEAN, STRAIGHT CUT TO REMOVE THE DAMAGED PORTION. ALL
EXPOSED ROOTS SHALL BE TEMPORARILY COVERED WITH DAMP BURLAP TO
PREVENT DRYING, AND SHALL BE COVERED WITH SOIL AS SOON AS POSSIBLE.
J. WORK WITHIN PROTECTION FENCE SHALL BE DONE MANUALLY. NO
STOCKPILING OF MATERIALS, VEHICULAR TRAFFIC, OR STORAGE OF EQUIPMENT
OR MACHINERY SHALL BE ALLOWED WITHIN THE LIMIT OF THE FENCING.
TREE PROTECTION DETAIL
7 CITY COMMENTS JSM 4.12.19 SURVEYED: SCALE:
SPF VERTICAL: NAVD 1988
8 REVISED FRONTAGE GRADING PER GAS MAIN JSM 12.14.20 DESIGNED: AS NOTED HORIZONTAL: NAD 1983/1991
9 REVISED FRONTAGE PER CITY COMMENTS JSM 1.15.21 JSM
10 REVISED VAULT CONTROL STRUCTURE JSM 5.9.21 DRAWN:
CWA ONE INCH DATUM
11 RECORD DRAWINGS JSM 6.25.21 CHECKEDJSM
AT FULL SCALE
IF NOT ONE INCH
N 0. REVISION BY DATE AP P R APPROVE,D.• ' SCALE ACCORDINGLY
111'IA!
DRIPLINE
C TY OF
=� RENTON
Planning/Building/Public Works Dept.
AS -BUILT
NO AS -BUILT INFORMATION ON THIS SHEET.
"I CERTIFY THAT THE INFORMATION SHOWN HEREON WHICH WAS
AS -BUILT BY D.R. STRONG, AND MAY INCLUDE LOCATIONS, ELEVATIONS,
DEPTHS, PIPE SIZES, AND AS -BUILT COMMENTS, ACCURATELY REFLECTS
EXIS77NG FIELD CONDITIONS AS DETERMINED BY ME OR UNDER MY
DIRECT SUPERVISION ON THIS DA TE,• 051181202 1. "
R-400607
IN COMPLIANCE WITH CITY OF RENTON STANDARDS
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DATE: U
BETHANY CORNER 11.29.16
FIELDBOOK: z
TESC NOTES AND DETAILS PAGE:
DRAWING N0:
16433 & 16451 111 TH AVENUE SE C7
RENTON, WASHINGTON 98056 SHEET: OF: 19Uj
CoW
DRS PROJECT NO. 16062