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DocuSign Envelope ID: 6EECF5B6-602A-4E4A-B436-A317AA638878
DocuSign Envelope ID: 6EECF5B6-602A4E4A-B436-A317AA638878
DocuSign Envelope ID: 6EECF5B6-602A4E4A-B436-A317AA638878
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EROSION AND SEDIMENT CONTROL (ESC) STANDARD PLAN NOTES:
THE FOLLOWING IS A LISTING OF GENERAL NOTES THAT SHALL BE INCORPORATED IN THE EROSION AND SEDIMENT CONTROL (ESC) PLAN SET. ALL THE NOTES ON THE
LIST MAY NOT PERTAIN TO EVERY PROJECT. THE APPLICANT OR OWNER, HEREBY REFERRED TO AS APPLICANT, MAY STRIKE OUT IRRELEVANT NOTES IF NOT
APPLICABLE TO THE PROJECT. HOWEVER, THE APPLICANT SHALL NOT RENUMBER NOR EDIT THE REMAINING NOTES. IF ADDITIONAL NOTES ARE NEEDED FOR SPECIFIC
ASPECTS, THEY SHALL BE ADDED AFTER THE ESC STANDARD PLAN NOTES.
1. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRE -CONSTRUCTION MEETING SHALL BE HELD AMONG THE CITY OF RENTON, HEREBY
REFERRED TO AS THE CITY, THE APPLICANT, AND THE APPLICANT'S CONTRACTOR.
2. THE APPLICANT IS RESPONSIBLE FOR OBTAINING THE WASHINGTON STATE DEPARTMENT OF ECOLOGY (ECOLOGY) CONSTRUCTION STORMWATER GENERAL
PERMIT, IF IT IS REQUIRED FOR THE PROJECT, THE APPLICANT SHALL PROVIDE THE CITY COPIES OF ALL MONITORING REPORTS PROVIDED TO ECOLOGY
ASSOCIATED WITH THE CONSTRUCTION STORMWATER GENERAL PERMIT.
3. THE ESC PLAN SET SHALL INCLUDE AN ESC CONSTRUCTION SEQUENCE DETAILING THE ORDERED STEPS THAT SHALL BE FOLLOWED FROM CONSTRUCTION
COMMENCEMENT TO POST -PROJECT CLEANUP IN ORDER TO FULFILL PROJECT ESC REQUIREMENTS.
4. THE BOUNDARIES OF THE CLEARING LIMITS, SENSITIVE AREAS AND THEIR BUFFERS, AND AREAS OF VEGETATION PRESERVATION AND TREE RETENTION AS
PRESCRIBED ON THE PLAN(S) SHALL BE CLEARLY DELINEATED BY FENCING AND PROTECTED IN THE FIELD IN ACCORDANCE WITH APPENDIX D OF THE CITY OF
RENTON SURFACE WATER DESIGN MANUAL (RENTON SWDM) PRIOR TO THE START OF 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.
5. STABILIZED CONSTRUCTION ENTRANCES SHALL BE INSTALLED AT THE BEGINNING OF CONSTRUCTION AND MAINTAINED FOR THE DURATION OF THE PROJECT.
ADDITIONAL MEASURES, SUCH AS CONSTRUCTED 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. IF SEDIMENT IS TRACKED OFFSITE, PUBLIC ROADS SHALL
BE CLEANED THOROUGHLY AT THE END OF EACH DAY, OR MORE FREQUENTLY DURING WET WEATHER, AS NECESSARY TO PREVENT SEDIMENT FROM ENTERING
WATERS OF THE STATE.
6. WASHOUT FROM CONCRETE TRUCKS SHALL BE PERFORMED OFF -SITE OR IN DESIGNATED CONCRETE WASHOUT AREAS ONLY. DO NOT WASH OUT CONCRETE
TRUCKS ONTO THE GROUND, OR TO STORM DRAINS OR OPEN DITCHES. ON -SITE DUMPING OF EXCESS CONCRETE SHALL ONLY OCCUR IN DESIGNATED CONCRETE
WASHOUT AREAS.
7. ALL REQUIRED ESC BMPS SHALL 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 ESC BMPS 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. ALL ESC BMPS SHALL BE REMOVED AFTER
CONSTRUCTION IS COMPLETED AND THE SITE HAS BEEN STABILIZED TO ENSURE POTENTIAL FOR ON -SITE EROSION DOES NOT EXIST. THE IMPLEMENTATION,
MAINTENANCE, REPLACEMENT, ENHANCEMENT, AND REMOVAL OF ESC BMPS SHALL BE THE RESPONSIBILITY OF THE APPLICANT.
8. ANY HAZARDOUS MATERIALS OR LIQUID PRODUCTS THAT HAVE THE POTENTIAL TO POLLUTE RUNOFF SHALL BE DISPOSED OF PROPERLY.
9. THE ESC BMPS DEPICTED ON THIS DRAWING ARE INTENDED TO BE MINIMUM REQUIREMENTS TO MEET ANTICIPATED SITE CONDITIONS. AS CONSTRUCTION
PROGRESSES AND UNEXPECTED OR SEASONAL CONDITIONS DICTATE, THE APPLICANT SHALL ANTICIPATE THAT MORE ESC BMPS 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
APPLICANT TO ADDRESS ANY NEW CONDITIONS THAT MAY BE CREATED BY THE ACTIVITIES AND TO PROVIDE ADDITIONAL ESC BMPS, OVER AND ABOVE MINIMUM
REQUIREMENTS, AS MAY BE NEEDED, TO PROTECT ADJACENT PROPERTIES AND WATER QUALITY OF THE RECEIVING DRAINAGE SYSTEM.
10. APPROVAL OF THIS PLAN IS FOR ESC ONLY. IT DOES NOT CONSTITUTE AN APPROVAL OF STORM DRAINAGE DESIGN, SIZE NOR LOCATION OF PIPES, RESTRICTORS,
CHANNELS, OR STORMWATER FACILITIES.
11. ANY DEWATERING SYSTEM NECESSARY FOR THE CONSTRUCTION OF STORMWATER FACILITIES SHALL BE SUBMITTED TO THE CITY FOR REVIEW AND APPROVAL.
12. ANY AREAS OF EXPOSED SOILS, INCLUDING ROADWAY EMBANKMENTS, THAT WILL NOT BE DISTURBED FOR TWO DAYS DURING THE WET SEASON (OCTOBER 1 ST
THROUGH APRIL 30TH) OR SEVEN DAYS DURING THE DRY SEASON (MAY 1ST THROUGH SEPTEMBER 30TH) SHALL BE IMMEDIATELY STABILIZED WITH THE APPROVED
ESC COVER METHODS (E.G., SEEDING, MULCHING, PLASTIC COVERING, ETC.) IN CONFORMANCE WITH APPENDIX D OF THE RENTON SWDM.
13. WET SEASON ESC REQUIREMENTS APPLY TO ALL CONSTRUCTION SITES BETWEEN OCTOBER 1 ST AND APRIL 30TH, UNLESS OTHERWISE APPROVED BY THE CITY.
14. ANY AREA NEEDING ADDITIONAL ESC MEASURES, NOT REQUIRING IMMEDIATE ATTENTION, SHALL BE ADDRESSED WITHIN SEVEN (7) DAYS.
15. THE ESC BMPS ON INACTIVE SITES SHALL BE INSPECTED AND MAINTAINED AT A MINIMUM OF ONCE A MONTH OR WITHIN 24 HOURS FOLLOWING A STORM EVENT.
INSPECTION AND MAINTENANCE SHALL OCCUR MORE FREQUENTLY AS REQUIRED BY THE CITY.
16. BEFORE COMMENCEMENT OF ANY CONSTRUCTION ACTIVITY, CATCH BASIN INSERTS PER THE CITY STANDARD PLAN 216.30 SHALL BE PROVIDED FOR ALL STORM
DRAIN INLETS DOWNSLOPE AND WITHIN 5D0 FEET OF A DISTURBED OR CONSTRUCTION AREA, UNLESS THE RUNOFF THAT ENTERS THE INLET WILL BE CONVEYED
TO A SEDIMENT POND OR TRAP. ALL CATCH BASIN INSERTS SHALL BE PERIODICALLY INSPECTED AND REPLACED AS NECESSARY TO ENSURE FULLY FUNCTIONING
CONDITION.
17. AT NO TIME SHALL SEDIMENT ACCUMULATION EXCEED 213 OF THE CAPACITY OF THE CATCH BASIN SUMP. 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.
18. ANY PERMANENT STORMWATER FACILITY LOCATION USED AS A TEMPORARY SETTLING BASIN SHALL BE MODIFIED WITH THE NECESSARY ESC BMPS AND SHALL
PROVIDE ADEQUATE STORAGE CAPACITY. IF THE TEMPORARY FACILITY IS TO ULTIMATELY FUNCTION AS AN INFILTRATION SYSTEM IN ITS PERMANENT STATE, THE
TEMPORARY FACILITY SHALL BE ROUGH GRADED SO THAT THE BOTTOM AND SIDES ARE AT LEAST THREE FEET ABOVE THE FINAL GRADE OF THE PERMANENT
FACILITY.
19. AREAS DESIGNATED ON THE PLAN(S) CONTAINING EXISTING STORMWATER FACILITIES OR ON -SITE BMPS (AMENDED SOILS, BIORETENTION, PERMEABLE PAVEMENT,
ETC.) SHALL BE CLEARLY FENCED AND PROTECTED USING ESC BMPS TO AVOID SEDIMENTATION AND COMPACTION DURING CONSTRUCTION.
20. PRIOR TO THE BEGINNING OF THE WET SEASON (OCTOBER 1ST), ALL DISTURBED AREAS SHALL BE INSPECTED TO IDENTIFY WHICH ONES SHALL BE SODDED OR
SEEDED IN PREPARATION FOR THE WINTER RAINS. DISTURBED AREAS SHALL BE SODDED OR SEEDED WITHIN ONE WEEK OF THE BEGINNING OF THE WET SEASON.
AN EXHIBIT OF THOSE AREAS TO BE SODDED OR SEEDED AND THOSE AREAS TO REMAIN UNCOVERED SHALL BE SUBMITTED TO THE CITY FOR REVIEW.
21. PRIOR TO FINAL CONSTRUCTION ACCEPTANCE, THE PROJECT SITE SHALL BE STABILIZED TO PREVENT SEDIMENT -LADEN WATER FROM LEAVING THE PROJECT SITE,
ALL ESC BMPS SHALL BE REMOVED, AND STORMWATER CONVEYANCE SYSTEMS, FACILITIES, AND ON -SITE BMPS SHALL BE RESTORED TO THEIR FULLY
FUNCTIONING CONDITION. ALL DISTURBED AREAS OF THE PROJECT SITE SHALL BE VEGETATED OR OTHERWISE PERMANENTLY STABILIZED. AT MINIMUM,
DISTURBED AREAS SHALL BE SODDED OR SEEDED AND MULCHED TO ENSURE THAT SUFFICIENT COVER WILL DEVELOP SHORTLY AFTER FINAL APPROVAL. MULCH
WITHOUT SEEDING IS ADEQUATE FOR AREAS TO BE LANDSCAPED BEFORE OCTOBER 1ST.
22. ROCKERIES ARE CONSIDERED TO BE A METHOD OF BANK STABILIZATION AND EROSION CONTROL. ROCKERIES SHALL NOT BE CONSTRUCTED TO SERVE AS
RETAINING WALLS. ALL ROCKERIES IN CITY ROAD RIGHTS -OF -WAY SHALL BE CONSTRUCTED IN ACCORDANCE WITH CITY STANDARDS. ROCKERIES OUTSIDE OF
ROAD RIGHTS -OF -WAY SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE INTERNATIONAL BUILDING CODE.
UNLESS OTHERWISE NOTED, DRAWING IS NOT TO SCALE (NTS)
STD. PLAN - 268.00
,} IL PUBLIC WORKS EROSION AND SEDIMENT CONTROL STANDARD PLAN NOTES PPR °.
DEPARTMENT GAZ 9/28/2018 1
Nbk" k,Ad ,t, ro DATE
CONSTRUCT/ON SEQUENCE
1. SCHEDULE A PR'CONS TRUCTION CONFERENCE WITH THE CITY DEVELOPMENT ENGINEER. ONCE THE
MEETING /S HELD THE C1WL CONSTRUCTION PERMIT W/LL BE ISSUED.
2. FLAG THE LIMITS OF CLEARING, TREES TO BE SAVED AND INSTALL PROTECTIVE SILT FENCING WHERE
INDICATED.
3. POST SIGN WITH NAME AND PHONE NUMBER OF ESC SUPERVISOR.
4. CONSTRUCT THE TEMPORARY ROCK -LINED CONSTRUCTION ENTRANCE.
5. CONSTRUCT THE SEDIMENT VAUL T, CONTROL STRUCTURE AND DOWNSTREAM CONVEYANCE SYSTEM.
6. ROUGH GRAD THE SITE AND DIRECT CONSTRUCTION RUNOFF TO THE VAUL T"
7. CONSTRUCT THE REMAINING STORM DRAINAGE FACILITIES PER THE ROAD & STORM DRAINAGE PLANS.
PROTECT THESE FACILITIES FROM DAMAGE AND SILTATION DURING CONSTRUCTION. INSTALL INLET
PROTECTION.
8. CONSTRUCT THE SEWER & WATER SERVICES PER THE APPROVED PLANS. PROTECT THESE
FACILITIES FROM DAMAGE DURING ON -GOING CONSTRUCTION.
9. CONSTRUCT THE REMAINING UNDERGROUND UTILITIES.
10. CONSTRUCT FRONTAGE IMPROVMENTS
11. HYDROSEED ANY REUA/N/NG DISTURBED SURFACES. REMOVE ALL TEMPORARY FACILITIES. PUMP
ANY COLLECTED DEBRIS FROM STORM DRAINAGE SYSTEM.
:45 An
2"x2" 14 GAUGE WIRE, OR
EQUIVALENT, IF STANDARD
STRENGTH FABRIC USED
FILTER FABRIC
2' MIN.
I� 6' MAX. �l
SPACING MAY BE INCREASED
8' IF WIRE BACKING IS USED
I
I 711,
I4"x4" MIN. TRENCH
12"MITO
I
1POST
BACKFILL TRENCH WITH NATIVE SOI
OR 3/4" TO 1-1/2" WASHED GRAVEL
2"x4"
WOOD POSTS, STEEL FENCE POSTS, OR EQUIVALENT (TYP.)
NOTES:
1. CONDITIONS OF USE
1.1. SILT FENCE MAY BE USED DOWNSLOPE OF ALL DISTURBED AREAS.
1.2. SILT FENCE IS NOT INTENDED TO TREAT CONCENTRATED FLOWS, NOR IS IT INTENDED TO TREAT SUBSTANTIAL AMOUNTS OF OVERLAND FLOW. ANY CONCENTRATED
FLOW MUST BE CONVEYED THROUGH THE DRAINAGE SYSTEM TO A SEDIMENT TRAP OR POND.
2. DESIGN AND INSTALLATION SPECIFICATIONS
2.1. THE GEOTEXTILE USED MUST MEET THE STANDARD LISTED BELLOW. A COPY OF THE MANUFACTURER'S FABRIC SPECIFICATIONS MUST BE AVAILABLE ON SITE.
AOS (ASTM D4751)
30-100 SIEVE SIZE (0.60-0.15mm) FOR SILT FILM
50-100 SIEVE SIZE (0.30-0.15mm) FOR OTHER FABRICS
WATER PERMITTIVITY (ASTM D4491)
0.02 SEC'S MINIMUM
GRAB TENSILE STRENGTH (ASTM D4632)
180 LBS. MIN. FOR EXTRA STRENGTH FABRIC
100 LBS. MIN. FOR STANDARD STRENGTH FABRIC
GRAB TENSILE ELONGATION (ASTM D4632)
30% MAX. (WOVEN)
ULTRAVIOLET RESISTANCE (ASTM D4355)
70% MIN.
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 21HA V
2.4. IF A TYPICAL SILT FENCE IS USED, THE STANDARD 4"X4" TRENCH MAY BE REDUCED AS LONG AS THE BOTTOM 8 INCHES OF THE SILT FENCE FABRIC IS WELL BURIED AND
SECURE IN A TRENCH THAT STABILIZES THE FENCE AND DOES NOT ALLOW WATER TO BYPASS OR UNDERMINE THE SILT FENCE.
2.5. FILTER FABRIC FENCES SHALL BE INSTALLED ALONG CONTOURS WHENEVER POSSIBLE.
3. MAINTENANCE STANDARDS
3.1. ANY DAMAGE SHALL BE REPAIRED IMMEDIATELY.
3.2. IF CONCENTRATED FLOWS ARE EVIDENT UPHILL OF THE FENCE, THEY MUST BE INTERCEPTED AND CONVEYED TO A SEDIMENT TRAP OR POND.
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 AND THEN CAUSING
CHANNELIZATION OF FLOWS PARALLEL TO THE FENCE. IF THIS OCCURS, REPLACE THE FENCE OR REMOVE THE TRAPPED SEDIMENT.
3.4. SEDIMENT MUST BE REMOVED WHEN SEDIMENT IS 6 INCHES HIGH.
3.5. IF THE FILTER FABRIC (GEOTEXTILE) HAS DETERIORATED DUE TO ULTRAVIOLET BREAKDOWN, IT SHALL BE REPLACED.
UNLESS OTHERWISE NOTED, DRAWING IS NOT TO SCALE (NTS)
"
Rq STD. PLAN - 214.00
PUBLIC WORKS SILT FENCE [11ROVED:
9/28/2018 1
PRDEPARTMENT GAZ
Public m Adm DATE
:45 AIN
5" MAX.
DRAINAGE GRATE TRIM
GRATE FRAME _
C- OVERFLOW BYPASS
BELOW INLET GRATE DEVICE
SEDIMENT AND DEBRIS
,A
FILTERED
WATER
SECTION VIEW
DRAINAGE GRATE
(RECTANGULAR GRATE SHOWN) RETRIEVAL SYSTEM (TYP.)
J
OVERFLOW BYPASS (TYP.)
BELOW INLET GRATE DEVICE
ISOMETRIC VIEW
NOTES:
1. PROTECTION SHALL BE PROVIDED FOR ALL STORM DRAIN INLETS DOWNSLOPE AND WITHIN 500 FEET OF A DISTURBED OR
CONSTRUCTION AREA, UNLESS THE RUNOFF THAT ENTERS THE CATCH BASIN WILL BE CONVEYED TO A SEDIMENT POND OR TRAP.
2. INLET PROTECTION SHALL BE USED TO PROTECT THE DRAINAGE SYSTEM.
3. THE CONTRIBUTING DRAINAGE AREA MUST NOT BE LARGER THAN ONE ACRE.
4. SIZE THE BELOW INLET GRATE DEVICE (BIGD) FOR THE STORMWATER STRUCTURE IT WILL SERVICE.
5. THE BIGD SHALL HAVE A BUILT-IN HIGH -FLOW RELIEF SYSTEM (OVERFLOW BYPASS).
6. THE RETRIEVAL SYSTEM MUST ALLOW REMOVAL OF THE BIGD WITHOUT SPILLING THE COLLECTED MATERIAL.
7. PERFORM MAINTENANCE IN ACCORDANCE WITH STANDARD SPECIFICATION 8-01.3(15).
S. ANY SEDIMENT IN THE CATCH BASIN INSERT SHALL BE REMOVED WHEN THE SEDIMENT HAS FILLED ONE-THIRD OF THE AVAILABLE
STORAGE. THE FILTER MEDIA FOR THE INSERT SHALL BE CLEANED OR REPLACED AT LEAST MONTHLY.
UNLESS OTHERWISE NOTED, DRAWING IS NOT TO SCALE (NTS)
STD. PLAN - 216.30
•�" PUBLIC WORKS APPR ED:
'"` DEPARTMENT CATCH BASIN INSERT GAZ 9/28/2018 1
vlbogv Public Work,Adm iso-amr DATE
TREE PROTECT/ON MEASURES DURING CONSTRUCT/ON
PROTECTION MEASURES /N THIS SECTION SHALL APPL Y FOR ALL TRESS THAT ARE TO BE RETAINED ON
SITE AND OFF SITE. OFF SITE TREES CONTAINING DRIP LINES THAT ENCROACH ONTO THE SITE UNDER
CONSTRUCTION SHALL BE CONSIDERED PROTECTED TREES UNLESS IT /5 DETERMINED THE ABUTTING
PROPERTY OWNER /S /N COMPLIANCE WITH SUBSECTION C OF THIS SECTION, ALLOWED TREE REMOVAL
ACTIVITIES. ALL OF THE FOLLOWING TREE PROTECTION MEASURES SHALL APPL Y"
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 /N ANY WA Y WITHIN THE AREA DEFINED
BY THE DRIP L/NE OF ANY TREE TO BE RETAINED.
B. FENCED PROTECTION AREA REQUIRED.- PR/OR TO DEVELOPMENT ACPWRES, THE APPLICANT SHALL
ERECT AND MAINTAIN SIX --FOOT (6) HIGH CHAIN LINK TEMPORARY CONSTRUCTION FENCING AROUND
THE DRIP LINES OF ALL RETAINED TREES OR AT A DISTANCE SURROUNDING THE TREE EQUAL TO
ONE AND ONE QUARTER FEET (1-1/4) FOR EVERY ONE INCH (1') OF TRUNK CALIPER, WHICHEVER
/5 GREATER, OR ALON THE PER/METER OF A TREE PROTECTION TRACT. PLACARDS SHALL BE
PLACED ON FENCING EVERY FIFTY FEET (50)IND/CA77NG THE WORDS, 'NO TRESPASSING -
PROTECTED TREES" OR ON EACH SIDE OF THE FENCING IF LESS THAN FIFTY FEET (50) SITE
ACCESS TO INDIVVbALL Y PROTECTED TREES OR GROUPS OF TREES SHALL BE FENCED AND SIGNED.
INDIVIDUAL TREES SHALL BE FENCED ON FOUR (4) S/DES. IN ADDITION, THE APPLICANT SHALL
PROVIDE SUPERV/S/ON WHENEVER EQUIPMENT OR TRUCKS ARE MOVING NEAR TREES.
C" PROTECTION FROM GRADE CHANGES- IF THE GRADE LEVEL ADJOINING TO A TREE TO BE RETAINED
/5 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 TREES DRIP LINE.
D" IMPERVIOUS SURFACES PROH/SITED WITHIN THE DRIP LINE.• THE APPL/CANT MA Y NOT INSTALL
IMPERVIOUS SURFACE MA TER/AL WITHIN THE AREA DEFINED BY THE DRIP LINE OF ANY TREE TO BE
RETAINED, UNLESS OTHERWISE APPROVED BY THE CITY. (ORD. 5958, 12-9-2019)
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 FOLLOW/NG AREAS -
TOONE AND ONE THE AREA /NED BYHALF FEE (-112) IN DIAMETER F TREE,E DRIP LINE Of - THE EA CH ONE INCH (1') OFAN AREA D THE TREE TREE CALIPER.
LARGER TREE PROTECTION ZONE BASED ON TREE SIZE, SPECIES, SOIL, OR OTHER CONDITIONS MA Y
BE REQU/RED. (ORD. 5676, 12-3-2012)
F. MULCH LA YER REQUIRED. ALL AREAS WITHIN THE REQUIRED FENC/NG SHALL BE COVERED
COMPLETEL Y AND EVENL Y WITH A MIN/MUM OF THREE INCHES (3) OF BARK MULCH PR/OR TO
INSTALLATION OF THE PROTECTIVE FENC/NG. EXCEPTIONS MAY BE APPROVED If THE MULCH WILL
ADVERSELY AFFECT PROTECTED GROUND COVER PLANTS. (ORD. 5676, 12-3--2012)
G" MONITORING REQUIRED DURING CONSTRUCTION. THE APPLICANT SHALL RETAIN A CERTIFIED
ARBOR/ST OR LICENSED LANDSCAPE ARCHITECT TO ENSURE TREES ARE PROTECTED FROM
DEI/ELOPMENT ACTII/lTIES AND/OR TO PRUNE BRANCHES AND ROOTS, FERTILIZE, AND WATER AS
APPROPRIATE FOR ANY TREES AND GROUND COVER THAT ARE TO BE RETAINED.
H" AL TERNA T VE PROTECT/ON.• ALTERNATIVE SAFEGUARDS UA Y BE USED /F DETERMINED TO PROVIDE
EQUAL OR GREATER TREE PROTECTION.
:45 AP
THE APPLICANT SHALL ERECT AND MAINTAIN A SIX-FOOT (6) HIGH CHAIN
LINK TEMPORARY CONSTRUCT/ON FENCING AROUND THE DRIP LINES OF ALL
RETAINED TREES OR A T A D/STANCE SURROUNDING THE TREE EQUAL TO
ONE AND ONE -QUARTER FEET (1-1/4) FOR EVERY ONE INCH (1') OF
TRUNK CALIPER, WHICHEVER /S GREATER, OR ALONG THE PER/METER OF A
TREE PROTECTION TRACT. PLACARDS SHALL BE PLACED ON FENCING
EWRY FIFTY FEET (50) INDICATING THE WORDS, WO TRESPASSING -
PROTECTED TREES. " OR ON EACH 50f- OF THE FENCING /F LESS THAN
FIFTY FEET (50) SITE ACCESS TO ND/V/DUALL Y PROTECTED TREES OR
GROUPS OF TREES SHALL BE FENCED AND SIGNED. INDN/DUAL TREES
SHALL BE FENCED ON FOUR (4) S/DES. IN ADDITION, THE APPLICANT SHALL
PROVIDE SUPERV/S/ON WHENEVER EQUIPMENT OR TRUCKS ARE MOVING
NEAR TREES.
NOTE-
1. MIN/MUM SIX (6) FOOT HIGH TEMPORARY CHA/NL/NK FENCE SHALL BE PLACED A,
FROM TREE DR/PL/NE OR DES/GNA TED L/M/T OF DISTURBANCE OF THE TREE TO B,
SA VED. FENCE SHALL COMPLETEL Y ENCIRCLE TREES). INSTALL FENCE POSTS US
PIER BLOCK ONLY MODIFICATIONS TO FENCING MA TER/AL AND LOCATION MUST B
APPROVED BY PLANNING OFF/C/AL.
2 TREATMENT OF EXPOSED ROOTS DURING CONSTRUCTION. FOR ROOTS OVER ONE (
INCH DIAMETER DAMAGED DURING CONSTRUCTION, MAKE A CLEAN STRAIGHT CU7
REMOVE THE DAMAGED PORTION OF ROOT. ALL EXPOSED ROOTS SHALL BE
TEMPORARIL Y COVERED WITH DAMP BURLAP TO PREVENT DRY/NG, AND COVERED
SOIL AS SOON AS POSSIBLE.
J. NO STOCKPILING OF MATERIALS, VEHICULAR TRAFFIC, OR STORAGE OF EQU/PMENi w
MACH/VERY SHALL BE ALLOWED W/TH/N THE L/M/T OF THE FENC/NG. FENC/NG SHALL
NOT BE MOVED OR REMOVED UNLESS APPROVED BY THE CITY PLANNING OFFICIAL.
WORK W 171IN THE PROTECT/ON Ff -NCf SHALL BE DONE MANUALL Y UNDER THE TREE DRIPLINE
SUPERVISION OF AN ON -SITE ARBOR/ST AND W/TH PR/OR APPROVAL BY THE CITY
PLANNING OFFICIAL.
4. ALL AREAS WITHIN THE REQU/RED FENCING SHALL BE COI/ERED COMPLETE,• Y AND
EVEAL Y WITH A MIN/MUM OF THREE (3) OF BARK MULCH PR/OR TO INSTALLATION OF
THE PROTECTIVE FENCING./ TREE PROTECT/ON FENCING
EX�SS\NO�,OPO
INSTALL DRIVEWAY CULVERT IF THERE
IS A ROADSIDE DITCH PRESENT, AS
PER CITY ROAD STANDARDS
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
12" MIN. THICKNESS
PROVIDE FULL WIDTH OF
NOTES INGRESSIEGRESS AREA
1. CONDITION OF USE
1.1. CONSTRUCTION ENTRANCE SHALL BE STABILIZED WHEREVER TRAFFIC WILL BE LEAVING A CONSTRUCTION SITE AND TRAVELING ON
PAVED ROADS OR OTHER PAVED AREAS WITHIN 1,000 FEET OF THE SITE.
GRABTENSILE STREBNGTH (ASTM D4751)
1200 PSI MIN.
GRABTENSILE ELONGATION (ASTM D4632)
30% MAX.
MULLEN BURSTSTRENGTH (ASTM D3786-80A)
1400 PSI MIN.
AOS (ASTM D4751)
20-45 (U.S. STAN DARD SIEVE 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 USED
FOR PERMANENT ROADS. HOG FUEL IS NOT RECOMMENDED FOR ENTRANCE STABILIZATION IN URBAN AREAS. THE INSPECTOR MAY
AT ANY TIME REQUIRE THE USE OF QUARRY SPALLS IF THE HOG FUEL IS NOT PREVENTING SEDIMENT FROM BEING TRACKED ONTO
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 THE
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 BY
SWEEPING SHALL BE REMOVED OR STABILIZED ON SITE. THE PAVEMENT SHALL NOT BE CLEANED BY WASHING DOWN THE STREET,
EXCEPT WHEN SWEEPING IS INEFFECTIVE AND THERE IS A THREAT TO PUBLIC SAFETY. IF IT NECESSARY TO WASH THE STREETS, A
SMALL SUMP MUST BE CONDUCTED. THE SEDIMENT WOULD THEN BE WASHED INTO THE SUMP WHERE IT CAN BE CONTROLLED AND
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 BE
INSTALLED TO CONTROL TRAFFIC.
titY 0 STD. PLAN - 215.10
* PUBLIC WORKS STABILIZED
$ DEPARTMENT CONSTRUCTION ENTRANCE
MARCH 2O08
4-26-2023
SURVEYED: XXX SCALE:
DESIGNED: SHY
DRAWN: SES
ONE INCH
CHECKED: SHY AT FULL SCALE
IF NOT ONE INCH
NO. REVISION BY DATE APPR APPROVED: SHY
SCALE ACCORDINGLY
"T EX/STING TREE
CONTINUOUS CHAINLINK
FENCING
POSTS AT MAX. 8' 0. C"
NO SCALE
PROJECT NO. 21019 RECORD DRAWING R-4 19304
IN COMPLIANCE WITH CITY OF RENTON STANDARDS
CIVIL ENGINEERING
LANDSCAPE ARCHITECTURE
PLANNING
DESIGN SURVEYING
12700 NE 195th St, Suite 300 Bothell, Washington 98011 425.885.7877
VERTICAL: NAVD 1988
HORIZONTAL: NAD 1983/1991
DATU M
CITY OF TEMPORARY EROSION &
RENTON SEDIMENT CONTROL DETAILS & NOTES
Planning/Building/Public Works Dept.
NOV 2021
PAGE:
C2.31
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