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CITY OF RENTON
(DO EROSION AND SEDIMENT CONTROL NOTES
":::1- 1. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRE -CONSTRUCTION
C) MEETING SHALL BE HELD AMONG THE CITY OF RENTON, HEREBY REFERRED TO AS THE
CITY, THE APPLICANT, AND THE APPLICANT'S CONTRACTOR.
p 2. THE APPLICANT SHALL BE RESPONSIBLE FOR SECURING ALL NECESSARY CITY, STATE,
AND FEDERAL PERMITS PRIOR TO CONSTRUCTION.
3. ALL STORM DRAINAGE IMPROVEMENTS SHALL BE DESIGNED AND CONSTRUCTED IN
ACCORDANCE WITH THE LATEST EDITION OF THE CITY OF RENTON SURFACE WATER
w DESIGN MANUAL (RENTON SWDM, RENTON MUNICIPAL CODE (RMC), AND THE STANDARD
~ SPECIFICATIONS FOR ROAD, BRIDGE AND MUNICIPAL CONSTRUCTION PREPARED BY WSDOT
AND THE AMERICAN PUBLIC WORKS ASSOCIATION (APWA). IT SHALL BE THE SOLE
RESPONSIBILITY OF THE APPLICANT TO CORRECT ANY ERROR, OMISSION OR VARIATION
FROM THE ABOVE REQUIREMENTS FOUND IN THE PLANS. ALL CORRECTIONS SHALL BE AT
NO ADDITIONAL COST TO THE CITY.
4. APPROVAL OF THE ROAD, GRADING, PARKING, BUILDING, AND DRAINAGE PLAN DOES NOT
CONSTITUTE AS APPROVAL OF ANY OTHER CONSTRUCTION (E.G. WATER, SEWER, GAS,
ELECTRICAL. ETC.). PLANS FOR STRUCTURES SUCH AS BRIDGES, VAULTS, AND RETAINING
WALLS REQUIRE A SEPARATE REVIEW AND APPROVAL BY THE CITY PRIOR TO
CONSTRUCTION. THE SURFACE WATER DRAINAGE SYSTEM SHALL BE CONSTRUCTED
ACCORDING TO THE APPROVED PLANS. ANY DEVIATION FROM THE APPROVED PLANS WILL
REQUIRE COORDINATION FOLLOWED BY WRITTEN APPROVAL FROM THE CITY.
5. A COPY OF THE APPROVED PLANS SHALL BE ON THE JOB SITE WHENEVER
CONSTRUCTION IS IN PROGRESS.
6. THE LOCATIONS OF ALL EXISTING UTILITIES SHOWN HEREON HAVE BEEN ESTABLISHED BY
FIELD SURVEY OR OBTAINED FROM AVAILABLE RECORDS AND SHALL THEREFORE BE
CONSIDERED APPROXIMATE ONLY AND NOT NECESSARILY COMPLETE. IT IS THE SOLE
RESPONSIBILITY OF THE APPLICANT AND THE APPLICANT'S CONTRACTOR TO
INDEPENDENTLY VERIFY THE ACCURACY OF ALL UTILITY LOCATIONS SHOWN, AND TO
FURTHER DISCOVER AND AVOID ANY OTHER UTILITIES NOT SHOWN HEREON THAT MAY BE
Q AFFECTED BY THE IMPLEMENTATION OF THIS PLAN. THE APPLICANT SHALL RECORD ON
J THE AS -BUILT DRAWINGS ALL UNDOCUMENTED UTILITIES DISCOVERED AND ANY CHANGES
0- TO THE APPROVED PLANS. THE APPLICANT SHALL IMMEDIATELY NOTIFY THE ENGINEER OF
RECORD IF A CONFLICT EXISTS.
w
U 7. VERTICAL DATUM SHALL BE NAVD 88 AND HORIZONTAL DATUM SHALL BE NAD 83 (WA
Q STATE PLANE, NORTH), UNLESS OTHERWISE APPROVED BY THE CITY. REFERENCE
BENCHMARK, DATUM, AND ELEVATIONS SHALL BE NOTED ON THE PLANS.
8. ALL UTILITY TRENCH BACKFILL AND ROADWAY SUBGRADE SHALL BE COMPACTED TO 95%
� MAXIMUM DRY DENSITY PER SECTION 2-03.3(14)D - COMPACTION AND MOISTURE
w CONTROL TESTS OF THE WSDOT STANDARD SPECIFICATIONS. IN PERMEABLE PAVEMENT
~ AND OTHER INFILTRATION AREAS, ALL TRENCH BACKFILL SHALL BE FIRM AND UNYIELDING
BUT IN NO CASE SHALL BE COMPACTED TO MORE THAN 92% OF MAXIMUM DRY DENSITY.
Cn 9. OPEN CUTTING OF EXISTING ROADWAYS FOR STORM DRAINAGE WORK IS NOT ALLOWED
w UNLESS SPECIFICALLY APPROVED BY THE CITY AND NOTED ON THESE APPROVED PLANS.
pC ANY OPEN CUT SHALL BE RESTORED IN ACCORDANCE WITH THE CITY TRENCH
O RESTORATION STANDARDS.
w 10.ALL PIPE AND STRUCTURES SHALL BE STAKED FOR SURVEY LINE AND GRADE PRIOR
TO THE START OF CONSTRUCTION. WHERE SHOWN ON THE PLANS OR WHERE DIRECTED
BY THE CITY, THE EXISTING MANHOLES, CATCH BASINS, OR INLETS SHALL BE ADJUSTED
TO THE GRADE AS STAKED.
11.ALL FLOW CONTROL FACILITIES SHALL BE INSTALLED AND IN OPERATION PRIOR TO, OR
IN CONJUNCTION WITH, ANY CONSTRUCTION ACTIVITY UNLESS OTHERWISE APPROVED BY
THE CITY.
12.ALL PIPE AND APPURTENANCES SHALL BE LAID ON A PROPERLY PREPARED
FOUNDATION IN ACCORDANCE WITH THE CURRENT STATE OF WASHINGTON STANDARD
SPECIFICATION FOR ROAD AND BRIDGE CONSTRUCTION. THIS SHALL INCLUDE NECESSARY
LEVELING OF THE TRENCH BOTTOM OR THE TOP OF THE FOUNDATION MATERIAL, AS
WELL AS PLACEMENT AND COMPACTION OF REQUIRED BEDDING MATERIAL TO UNIFORM
GRADE SO THAT THE ENTIRE LENGTH OF THE PIPE WILL BE SUPPORTED ON A
UNIFORMLY DENSE, UNYIELDING BASE. ALL PIPE BEDDING AND BACKFILL SHALL BE AS
SHOWN ON THE CITY STANDARD PLAN 220.00, 220.10, AND 220.20.
TEMPORARY EROSION CONTROL SEED MIX
MATERIAL % WEIGHT % PURITY % GERMINATION
CHEWINGS OR RED FESCUE 40 98 90
FESTUCA RUBRA VAR. COMMUTATA OR
FESTUCA RUBRA
ANNUAL OR PERENNIAL RYE 40 98 90
LOLIUM MULTIFLORUM OR LOLIUM PERENNE
REDTOP OR COLONIAL BENTGRASS
AGROSTIS ALBA OR AGROSTIS TENUIS
10
92
85
WHITE DUTCH CLOVER
TRIFOLIUM REPENS
10
98
90
BEST MANAGEMENT PRACTICES (BMP)
ALTERNATIVES
MULCH MATERIAL
QUALITY
STANDARDS
APPLICATION
/1000 SF
APPLICATION
/ACRE
DEPTH OF
APPICATION
"
(CONTINUED)
EROSION AND SEDIMENT CONTROL NOTES
13. STEEL PIPE SHALL BE ALUMINIZED, OR GALVANIZED WITH ASPHALT TREATMENT 1,
2, OR 5 INSIDE AND OUTSIDE.
14. ALL DRAINAGE STRUCTURES SUCH AS CATCH BASINS AND MANHOLES SHALL BE
FITTED WITH DUCTILE IRON, BOLT -LOCKING LIDS PER THE CITY STANDARD PLAN
204.10, 204.20, 204.30, AND 204.50. STRUCTURES SHALL HAVE: RECTANGULAR
OR ROUND SOLID LIDS WHEN NOT COLLECTING RUNOFF AND OUTSIDE OF THE
ASBUILT TESC NOTES AND DETAILS
OF
FOREST TERRACE PLAT
I I
ROADWAY. ROUND, SOLID LIDS WHEN NOT COLLECTING RUNOFF, AND LOCATED A PORTION OF SECTION 04, TOWNSHIP 23 N., RANGE 05 E., W.M.
WITHIN THE ROADWAY, BUT OUTSIDE OF THE CURB/GUTTER LINE. ROUND, SOLID
LIDS DISPLAYING THE CITY LOGO WHEN WITHIN THE PUBLIC RIGHT-OF-WAY OR IN CITY OF RENTON, KING COUNTY, WASHINGTON
AN EASEMENT TO THE CITY. PRIVATE STRUCTURE LIDS OUTSIDE PUBLIC
RIGHT-OF-WAY AND EASEMENTS TO THE CITY SHALL NOT DISPLAY THE CITY LOGO. (CONTINUED) EROSION AND SEDIMENT CONTROL
EROSION AND SEDIMENT CONTROL NOTES
15.
BUILDINGS AND OTHER STRUCTURES SHALL BE PLACED IN ACCORDANCE WITH
24.
FOR ALL DISTURBED PERVIOUS AREAS (COMPACTED, GRADED, LANDSCAPED, ETC.) OF
(ESC) STANDARD PLAN NOTES: (CONTINUED)
TABLE 4.1 EASEMENT WIDTHS AND BUILDING SETBACKS LINES OF THE RENTON
THE DEVELOPMENT SITE, TO MAINTAIN THE MOISTURE CAPACITY OF THE SOIL EITHER
SWDM.
STOCKPILE AND REDISTRIBUTE THE EXISTING DUFF LAYER AND NATIVE TOPSOIL OR
. 9
THE ESC BMPS DEPICTED ON THIS DRAWING ARE INTENDED TO BE MINIMUM
AMEND THE SOIL WITH COMPOST IN ACCORDANCE WITH STANDARD PLAN 264.00.
REQUIREMENTS TO MEET ANTICIPATED SITE CONDITIONS. AS CONSTRUCTION
16.
LIDS OF MANHOLES/CATCH BASINS WITHIN PUBLIC RIGHT-OF-WAY SHALL NOT BE
PROGRESSES AND UNEXPECTED OR SEASONAL CONDITIONS DICTATE, THE
ADJUSTED TO FINAL GRADE UNTIL AFTER PAVING. ALL MANHOLE/CATCH BASIN RIMS
25.
ISSUANCE OF THE BUILDING OR CONSTRUCTION PERMITS BY THE CITY DOES NOT
APPLICANT SHALL ANTICIPATE THAT MORE ESC BMPS WILL BE NECESSARY TO
SHALL BE ADJUSTED TO BE FLUSH WITH FINAL FINISHED GRADES, UNLESS
RELIEVE THE APPLICANT OF THE CONTINUING LEGAL OBLIGATION AND/OR LIABILITY
ENSURE COMPLETE SILTATION CONTROL ON THE PROPOSED SITE. DURING THE
OTHERWISE SHOWN.
CONNECTED WITH STORMWATER DISPOSAL. THE CITY DOES NOT ACCEPT ANY
COURSE OF CONSTRUCTION, IT SHALL BE THE OBLIGATION AND RESPONSIBILITY
OBLIGATION FOR THE PROPER FUNCTIONING AND MAINTENANCE OF THE STORM SYSTEM
OF THE APPLICANT TO ADDRESS ANY NEW CONDITIONS THAT MAY BE CREATED
17.
ALL DRIVEWAY CULVERTS LOCATED WITHIN CITY RIGHT-OF-WAY SHALL BE OF
PROVIDED DURING CONSTRUCTION.
BY THE ACTIVITIES AND TO PROVIDE ADDITIONAL ESC BMPS, OVER AND ABOVE
SUFFICIENT LENGTH TO PROVIDE A MINIMUM 3:1 SLOPE FROM THE EDGE OF THE
MINIMUM REQUIREMENTS, AS MAY BE NEEDED, TO PROTECT ADJACENT
DRIVEWAY TO THE BOTTOM OF THE DITCH.
26.
ADEQUATE SAFEGUARDS, SAFETY DEVICES, PROTECTIVE EQUIPMENT, FLAGGERS, AND
PROPERTIES AND WATER QUALITY OF THE RECEIVING DRAINAGE SYSTEM.
18.
ROCK FOR EROSION PROTECTION OF ROADSIDE DITCHES, WHERE REQUIRED, SHALL
ANY OTHER ACTIONS NEEDED TO PROTECT THE LIFE, HEALTH, AND SAFETY OF THE
PUBLIC, AND TO PROTECT PROPERTY IN CONNECTION WITH THE PERFORMANCE OF
10.
APPROVAL OF THIS PLAN IS FOR ESC ONLY. IT DOES NOT CONSTITUTE AN
BE OF SOUND QUARRY ROCK PLACED TO A MINIMUM DEPTH OF ONE (1) FOOT
WORK SHALL BE PROVIDED. ANY WORK WITHIN THE TRAVELED RIGHT-OF-WAY THAT
APPROVAL OF STORM DRAINAGE DESIGN, SIZE NOR LOCATION OF PIPES,
AND SHALL MEET THE FOLLOWING SPECIFICATIONS: 4 - 8 INCH ROCK / 40 -
MAY INTERRUPT NORMAL TRAFFIC FLOW SHALL REQUIRE A TRAFFIC CONTROL PLAN
RESTRICTORS, CHANNELS, OR STORMWATER FACILITIES.
70% PASSING; 2 - 4 INCH ROCK / 30 - 40% PASSING; AND LESS THAN 2
APPROVED BY THE CITY. ALL SECTIONS OF THE WSDOT STANDARD SPECIFICATIONS
11.
ANY DEWATERING SYSTEM NECESSARY FOR THE CONSTRUCTION OF
INCH ROCK / 10 - 20% PASSING.
1-10 TEMPORARY TRAFFIC CONTROL SHALL APPLY.
STORMWATER FACILITIES SHALL BE SUBMITTED TO THE CITY FOR REVIEW AND
19.
FOOTING DRAINAGE SYSTEMS AND ROOF DOWNSPOUT SYSTEMS SHALL NOT BE
27.
PROJECTS LOCATED WITHIN THE CITY'S AQUIFER PROTECTION AREA (APA) SHALL
APPROVAL.
INTERCONNECTED AND SHALL SEPARATELY CONVEY COLLECTED FLOWS TO THE
COMPLY WITH SPECIAL REQUIREMENT #6 OF THE RENTON SWDM AND AQUIFER
12.
ANY AREAS OF EXPOSED SOILS, INCLUDING ROADWAY EMBANKMENTS, THAT
CONVEYANCE SYSTEM OR FLOW CONTROL FACILITY ON THE SITE, UNLESS
PROTECTION REGULATIONS (RMC 4-3-050).
WILL NOT BE DISTURBED FOR TWO DAYS DURING THE WET SEASON (OCTOBER
APPROVED BY THE CITY. FOOTING DRAINS SHALL NOT BE CONNECTED TO ON -SITE
1ST THROUGH APRIL 30TH) OR SEVEN DAYS DURING THE DRY SEASON (MAY
BMPS.
28.
PLACEMENT OF SURFACE APPURTENANCES (CATCH BASIN/MANHOLE LIDS, CLEANOUTS,
1ST THROUGH SEPTEMBER 30TH) SHALL BE IMMEDIATELY STABILIZED WITH THE
20.
THE END OF EACH STORM DRAIN STUB SHALL BE CAPPED. A CLEANOUT TOPPED
INLETS, ETC.) IN THE STREET TRAVEL LANE WHEEL PATH, INTERSECTIONS OF STREET
APPROVED ESC COVER METHODS (E.G., SEEDING, MULCHING, PLASTIC
-
WITH A BOLT LOCKING LID MARKED STORM" SHALL BE LOCATED AT THE PROPERTY
TRAVEL LANES, BIKE LANES, SIDEWALKS, AND CROSSWALKS SHALL BE AVOIDED
WHENEVER POSSIBLE. ANY SURFACE APPURTENANCE PLACED IN A SIDEWALK OR
COVERING, ETC. IN CONFORMANCE WITH APPENDIX D OF THE RENTON SWDM.
)
LINE OR AT THE POINT OF CONNECTION OF A PRIVATE STORM DRAINAGE
CROSSWALK SHALL BE FITTED WITH A NON -SLIP OR NON-SKID LID PER ADA
CONVEYANCE SYSTEM PER THE CITY STANDARD PLAN 227.00.
REQUIREMENTS.
13.
WET SEASON ESC REQUIREMENTS APPLY TO ALL CONSTRUCTION SITES
BETWEEN OCTOBER 1ST AND APRIL 30TH, UNLESS OTHERWISE APPROVED BY
21.
ALL STORM SYSTEM EXTENSIONS SHALL BE STAKED FOR LINE AND GRADE BY A
29,
CLEARLY LABEL PUBLIC AND PRIVATE SYSTEMS ON THE PLANS. PRIVATE SYSTEMS
THE CITY.
SURVEYOR LICENSED IN WASHINGTON STATE, AND CUT SHEETS SHALL BE
SHALL BE MAINTAINED BY THE APPLICANT.
PROVIDED TO THE CITY PRIOR TO CONSTRUCTION.
14.
ANY AREA NEEDING ADDITIONAL ESC MEASURES, NOT REQUIRING IMMEDIATE
30. MINIMUM COVER OVER STORM DRAINAGE PIPE SHALL CONFORM TO TABLE 4.2.1.A2 OF
22.
ALL NEWLY -INSTALLED AND NEWLY -REHABILITATED (PUBLIC AND PRIVATE) STORM
THE RENTON SWDM.
CONVEYANCE SYSTEMS SHALL BE INSPECTED BY MEANS OF REMOTE CCTV
ACCORDING TO THE CITY STANDARD PLAN 266.00. CCTV INSPECTIONS AND
31. CONSTRUCTED PERMEABLE PAVEMENT SHALL BE PERMEABLE ENOUGH TO ABSORB
REPORTS SHALL BE SUBMITTED TO THE CITY PRIOR TO RECEIVING APPROVAL TO
WATER AT A MINIMUM RATE OF 20 INCHES PER HOUR IMMEDIATELY AFTER THE
INSTALL PROJECT CURBS, GUTTERS AND/OR PAVEMENT.
PAVEMENT SURFACE HAS BEEN WETTED CONTINUOUSLY FOR AT LEAST 10 MINUTES.
COMPLIANCE WITH THIS MINIMUM RATE SHALL BE CHECKED PRIOR TO CONSTRUCTION
ALL
STORM SYSTEMS AND CONNECTIONS TO EXISTING MAINS SHALL BE TESTED IN
APPROVAL OF THE PAVEMENT. COMPLIANCE MAY BE CHECKED USING A SIMPLE
ACCORDANCE WITH SECTION 7-04.3(1) OF THE WSDOT STANDARD SPECIFICATIONS
BUCKET TEST IN WHICH 5 GALLONS OF WATER IS POURED ONTO THE PAVEMENT
AND IN THE PRESENCE OF A REPRESENTATIVE OF THE CITY. STORM DRAIN
SURFACE ALL AT ONCE. IF ONLY A MINOR AMOUNT OF WATER PONDS OR RUNS OFF
STUBS SHALL BE TESTED FOR ACCEPTANCE AT THE SAME TIME THE MAIN STORM
THE SURFACE, THEN THE PAVEMENT IS CONSIDERED TO MEET THE MINIMUM RATE OF
IS TESTED.
ABSORPTION. AT LEAST ONE TEST SHALL BE CONDUCTED PER 1,000 SQUARE FEET OF
24.
FOR ALL DISTURBED PERVIOUS AREAS (COMPACTED, GRADED, LANDSCAPED, ETC.)
PERMEABLE PAVEMENT. IF THIS TEST IS NOT CONCLUSIVE, THEN ANOTHER TEST PER
OF THE DEVELOPMENT SITE, TO MAINTAIN THE MOISTURE CAPACITY OF THE SOIL
ASTM C1701 SHALL BE CONDUCTED. FOR LARGE AREAS (E.G., PARKING AREAS),
EITHER STOCKPILE AND REDISTRIBUTE THE EXISTING DUFF LAYER AND NATIVE
TESTING OBSERVATION MAY BE ACCOMPLISHED WHILE WALKING BEHIND A SLOWLY
TOPSOIL OR AMEND THE SOIL WITH COMPOST IN ACCORDANCE WITH STANDARD
MOVING WATER TRUCK DISCHARGING WATER AT A RATE SIMILAR TO THE BUCKET TEST.
PLAN 264.00.
PERMEABLE PAVERS SHALL BE TESTED USING ASTM C1781.
25.
ISSUANCE OF THE BUILDING OR CONSTRUCTION PERMITS BY THE CITY DOES NOT
EROSION AND SEDIMENT CONTROL
RELIEVE APPLICANTTHELEGAL OBLIGATIONLIABILITY
(ESC) STANDARD PLAN NOTES:
D DISPOSAL.NG
CONNECTED WITH STORMWATER THE CITY DOES NOT ACCEPTANYANY
OBLIGATION FOR THE PROPER FUNCTIONING AND MAINTENANCE OF THE STORM
1. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A
SYSTEM PROVIDED DURING CONSTRUCTION.
PRE -CONSTRUCTION MEETING SHALL BE HELD AMONG THE CITY OF RENTON, HEREBY
REFERRED TO AS THE CITY, THE APPLICANT, AND THE APPLICANT'S CONTRACTOR.
26.
ADEQUATE SAFEGUARDS, SAFETY DEVICES, PROTECTIVE EQUIPMENT, FLAGGERS, AND
ANY OTHER ACTIONS NEEDED TO PROTECT THE LIFE, HEALTH, AND SAFETY OF THE
2• THE APPLICANT IS RESPONSIBLE FOR OBTAINING THE WASHINGTON STATE DEPARTMENT
PUBLIC, AND TO PROTECT PROPERTY IN CONNECTION WITH THE PERFORMANCE OF
OF ECOLOGY (ECOLOGY) CONSTRUCTION STORMWATER GENERAL PERMIT, IF IT IS
WORK SHALL BE PROVIDED. ANY WORK WITHIN THE TRAVELED RIGHT-OF-WAY THAT
REQUIRED FOR THE PROJECT. THE APPLICANT SHALL PROVIDE THE CITY COPIES OF
MAY INTERRUPT NORMAL TRAFFIC FLOW SHALL REQUIRE A TRAFFIC CONTROL PLAN
ALL MONITORING REPORTS PROVIDED TO ECOLOGY ASSOCIATED WITH THE
APPROVED BY THE CITY. ALL SECTIONS OF THE WSDOT STANDARD SPECIFICATIONS
CONSTRUCTION STORMWATER GENERAL PERMIT.
1-10 TEMPORARY TRAFFIC CONTROL SHALL APPLY.
3. THE ESC PLAN SET SHALL INCLUDE AN ESC CONSTRUCTION SEQUENCE DETAILING THE
27.
PROJECTS LOCATED WITHIN THE CITY'S AQUIFER PROTECTION AREA (APA) SHALL
ORDERED STEPS THAT SHALL BE FOLLOWED FROM CONSTRUCTION COMMENCEMENT TO
COMPLY WITH SPECIAL REQUIREMENT #6 OF THE RENTON SWDM AND AQUIFER
POST -PROJECT CLEANUP IN ORDER TO FULFILL PROJECT ESC REQUIREMENTS.
PROTECTION REGULATIONS (RMC 4-3-050).
4. THE BOUNDARIES OF THE CLEARING LIMITS, SENSITIVE AREAS AND THEIR BUFFERS,
AND AREAS OF VEGETATION PRESERVATION AND TREE RETENTION AS PRESCRIBED ON
28.
PLACEMENT OF SURFACE APPURTENANCES (CATCH BASIN/MANHOLE LIDS,
THE PLAN(S) SHALL BE CLEARLY DELINEATED BY FENCING AND PROTECTED IN THE
CLEANOUTS, INLETS, ETC.) IN THE STREET TRAVEL LANE WHEEL PATH,
FIELD IN ACCORDANCE WITH APPENDIX D OF THE CITY OF RENTON SURFACE WATER
INTERSECTIONS OF STREET TRAVEL LANES, BIKE LANES, SIDEWALKS, AND
DESIGN MANUAL (RENTON SWDM) PRIOR TO THE START OF CONSTRUCTION. DURING
CROSSWALKS SHALL BE AVOIDED WHENEVER POSSIBLE. ANY SURFACE
APPURTENANCE PLACED IN A SIDEWALK OR CROSSWALK SHALL BE FITTED WITH A
THE CONSTRUCTION PERIOD, NO DISTURBANCE BEYOND THE CLEARING LIMITS SHALL
NON -SLIP OR NON-SKID LID PER ADA REQUIREMENTS.
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
REMARKS
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
GRAVEL, SLAG, OR
WASHED, 3/4 -1-1/2
9 CU YDS
3 INCHES
FOR SHORT SLOPES AND AROUND WOODY PLANTS & ORNAMENTALS
SEDIMENT IS TRACKED OFFN I L, PUBLIC ROADS SHALL BE CLEANED THOROUGHLY Al
CRUSHED STONE
SIZE
USE WHERE SUBJECT TO FOOT TRAFIC. APPDX. 2000 LBS/CU YD.
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
HAY OR STRAW
AIR DRIED, FREE FROM
UNWANTED SEEDS &
COARSE MATERIAL
75-100LBS OR
2-3 BALES
1-1/2 TO 2-1/2
TONS OR 90-120
BALES
MINIMUM OF 2 IN
DEPTH, GREATER ON
STEEP AREAS OR NEAR
PROTECTED AREAS)
USE WHERE THE MULCHING EFFECT IS TO BE MAINTAINED FOR LESS
THAN 3 MONTHS. ANCHOR BY CRIMPING, COVERING WITH NETTING
SPRAYING WITH TACKIFIER AND/OR KEPT MOIST.
PLASTIC SHEETING
MINIMUM 6-MIL
ANCHOR WITH SANDBAGS OR TIRES ON 10-FOOT GRID IN ALL
THICKNESS
DIRECTIONS. OVERLAP EDGES.
WASHOUT AREAS.
7. ALL REQUIRED ESC BMPS SHALL BE CONSTRUCTED AND IN OPERATION PRIOR TO
JUTE MAT, WOVEN
N/A
N/A
USE ON STEEP SLOPES GREATER THAN 2:1 IN ADDITION
STRAW BLANKET
SYNTHETIC FIBER
BLANKET
TO HYDROSEED OR WOOD FIBER WITH TACKIFIER.
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
WOOD FIBER
CELLULOSE (PARTIALLY
DYED GREEN SHOULD
NOT CONTAIN GROWTH
25-30 LBS.
1000-1500LBS
IF USED ON CRITICAL AREAS, OR STEEP SLOPES, DOUBLE THE
NORMAL APPLICATION RATE. APPLY W/HYDROMULCHER. NO
DIGESTED WOOD
INHIBITING FACTORS
TIE -DOWN REQUIRED.
EROSION HAS PASSED. ALL ESC BMPS SHALL BE REMOVED AFTER CONSTRUCTION IS
FIBERS)
COMPLETED AND THE SITE HAS BEEN STABILIZED TO ENSURE POTENTIAL FOR
ON -SITE EROSION DOES NOT EXIST. THE IMPLEMENTATION, MAINTENANCE,
WOOD FIBER APPLIED
1.25 TONS PER
USE 90 GAL/ACRE TACKIFIER FOR STEEP SLOPES LESS THAN
WITH HYDROSEEDING
ACRE;
2:1; 120 GAL/ACRE FOR STEEPER THAN 2:1
REPLACEMENT, ENHANCEMENT, AND REMOVAL OF ESC BMPS SHALL BE THE
OR ALONE
RESPONSIBILITY OF THE APPLICANT.
8. ANY HAZARDOUS MATERIALS OR LIQUID PRODUCTS THAT HAVE THE POTENTIAL TO
POLLUTE RUNOFF SHALL BE DISPOSED OF PROPERLY.
BARK CHIPS
MIN. OF 2 IN. DEPTH
DO NOT USE ON SLOPES STEEPER THAN 6%
WOOD CHIPS
TREAT WITH 12LBS
MIN. OF 2 IN. DEPTH
DO NOT USE ON SLOPES STEEPER THAN 15%
(HOG FUEL)
NITOGEN FERTILIZER/TON
HYDROSEED
USE MIX RECOMMENDED
ABOVE
USE DOT SLOPE MIX FOR STEEP SLOPES.
1
RECORD DRAWINGS AS BUILT
TJS
1/12/22
BJT
suRvE m:
BENCHMARK
DESIGN TJS
FOUND PUNCHMARK IN 1 %" BRASS FOUND PUNCHMARK IN %" BRASS PIN
DATUM DISK IN CONCRETE MONUMENT IN CASE IN CONCRETE MONUMENT IN CASE
DRAWN:
TJS
CHECKM:
BJT
0.4' BELOW GRADE (7/20/2017) 1.4' BELOW GRADE (7/20/2017)
HORIZONTAL DATUM: VERTICAL DATUM: OBSERVED (NAD 83/11) OBSERVED (NAD 83/11)
APPR BJT
NAD '83/'11 NAVD '88 N:191092.94, E:1311476.14 N:191241.77, E:1311481.30
N0.
REVISION
BY
DATE
APPR
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
2"Q415 GAUGE WIRE, OR
EQUIVALENT, IF STANDARD
STRENGTH FABRIC USED
FILTER FABRIC
--ILLS-----------
G MAX I I 12- MIN
POST SPACING MAY BE iNCREASED 4'114 MIN. TRENCH
i TO 8- IF WIRE BACKING IS USED I I I I -A
+LLLJJJI BACKFILL TRENCH WITFIHAIIVE SOIL Li
OR 3+A' TO 1-MT WASHED GRAVEL
2'x4" WOOL] POSTS, STEEL FENCE POSTS, OR EOU IVALENT f YP.}
NOTES:
1. CON137IGN3 aF USE
1.1 SILT FENCE MAYBE USEODOWNSLOPE OF ALL DISTURBED AREAS.
SLT FENCE IS NOT INTENDED TO TREAT CONCENTRATED FLOWS. NOR IS IT INTENDED TO TREAT SUBSTANTIAL AMOUNT$ OF OVERLAND FLOW ANY CONCENTRATED
FLOW MUST BE CONVEYED THROUGH THE DRAINAGE SYSTEM TO A SEDIMENT TRAP DR POND.
2. DES ICN AND INSTALLATION SPECIFICATIONS
2.1 THE CEnTEXTILE USED MUST MEET THE STANDARD LISTED BELLOW. A COPY OF THE MANUFACTURER'S FABRIC SPECIFICATIONS MIDST BE AVAILABLE ON SITE
ADS {ASTM 04T51j
30.100 SIEVE SIZE [0.6D-0.15mm) FOR SILT FILM
50-7 D0 SIEVE SIZE (D.30.D.F 5mmy FOR OTHER FABRICS
WATER PERMITTIVITY (ASTM 0449:)
0.02 SEC' MINIMUM
GRAB TENSILE STRENGTHI (ASTM Odfi32y
tB0 LBS. MIN. FOR EXTRA STRENGTH FABRIC
f00 LBS. PAIN. FOR STANDARD STRENGTH FABRIC
GRAB TENSILE ELONGATION (ASTM 04632I
30%MAX. IWOVEN)
ULTRAVIOLET RESISTANCE (ASTM D4355)
70% MIN.
22. STANDARD S TRENGTH FABRIC REDUIRES WIRE BACKING TO INCREASE THE STRENGTH OF THE FENCE WIRE BACKING OR CLOSER POST SPACING MAY BE REQUIRED
FOR EXI RA STRENGTH FABRIC I F FIELD PERFORMANCE WARRANTS A STRONGER FENCE.
2.3. WHERE THE FENCE IS INSTALLED. THE SLOPE SHALL NOT BE STEEPER THAN 2H: IV
2.4 IF A TYPICAL SILT FENCE IS USED, THE STANDARD 4'H4' 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. MAIMTENANCE 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.
S.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 SEDOMENT
3.4. SEDIMENT MUST BE REMOVED WHEN $EDIMENTISfi INCHES HIGH.
3.5. IF THE FILTER FABRIC {GEOTEXTILE) HAS DETERIORATED DUE TO ULTRAVIOLET BREAKDOWN, IT SHALL BE REPLACED.
VNL[SSOTH[RWISF NDTr D. DRAWIP+C IS NO' Tn s A1r (NTSy
5TD. PLAN - 214.00
[PROVMGAZ 9/28/2018 i
oaie
INSERTS PER THE CITY STANDARD PLAN 216.30 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 INLET WILL BE
FILTER FABRIC FENCE INSTALLATION NOTES:
CONVEYED TO A SEDIMENT POND OR TRAP. ALL CATCH BASIN INSERTS SHALL
BE PERIODICALLY INSPECTED AND REPLACED AS NECESSARY TO ENSURE FULLY
1.
THE FILTER FABRIC SHALL BE PURCHASED IN A CONTINUOUS ROLL CUT TO THE
FUNCTIONING CONDITION.
LENGTH OF THE BARRIER TO AVOID USE OF JOINTS. WHEN JOINTS ARE NECESSARY,
FILTER CLOTH SHALL BE SPLICED TOGETHER ONLY AT A SUPPORT POST, WITH A
17.
AT NO TIME SHALL SEDIMENT ACCUMULATION EXCEED 2/3 OF THE CAPACITY
MINIMUM 6-INCH OVERLAP, AND BOTH ENDS SECURELY FASTENED TO THE POST
OF THE CATCH BASIN SUMP. ALL CATCH BASINS AND CONVEYANCE LINES
SHALL BE CLEANED PRIOR TO PAVING. THE CLEANING OPERATION SHALL NOT
2,
THE FILTER FABRIC FENCE SHALL BE INSTALLED TO FOLLOW THE CONTOURS
FLUSH SEDIMENT -LADEN WATER INTO THE DOWNSTREAM SYSTEM.
(WHERE FEASIBLE). THE FENCE POSTS SHALL BE SPACED A MAXIMUM OF 6 FEET
APART AND DRIVEN SECURELY INTO THE GROUND (MINIMUM OF 30 INCHES)
18.
ANY PERMANENT STORMWATER FACILITY LOCATION USED AS A TEMPORARY
SETTLING BASIN SHALL BE MODIFIED WITH THE NECESSARY ESC BMPS AND
3.
A TRENCH SHALL BE EXCAVATED, ROUGHLY 8 INCHES WIDE AND 12 INCHES DEEP,
SHALL PROVIDE ADEQUATE STORAGE CAPACITY. IF THE TEMPORARY FACILITY IS
UPSLOPE AND ADJACENT TO THE WOOD POST TO ALLOW THE FILTER FABRIC TO BE
TO ULTIMATELY FUNCTION AS AN INFILTRATION SYSTEM IN ITS PERMANENT
BURIED
STATE, THE TEMPORARY FACILITY SHALL BE ROUGH GRADED SO THAT THE
BOTTOM AND SIDES ARE AT LEAST THREE FEET ABOVE THE FINAL GRADE OF
4.
WHEN STANDARD STRENGTH FILTER FABRIC IS USED, A WIRE MESH SUPPORT FENCE
THE PERMANENT FACILITY.
SHALL BE FASTENED SECURELY TO THE UPSLOPE SIDE OF THE POSTS USING
HEAVY DUTY WIRE STAPLES AT LEAST 1 INCH LONG, TIE WIRES OR HOG RINGS.
19.
AREAS DESIGNATED ON THE PLAN(S) CONTAINING EXISTING STORMWATER
THE WIRE SHALL EXTEND INTO THE TRENCH A MINIMUM OF 4 INCHES AND SHALL
FACILITIES OR ON -SITE BMPS (AMENDED SOILS, BIORETENTION, PERMEABLE
NOT EXTEND MORE THAN 36 INCHES ABOVE THE ORIGINAL GROUND SURFACE
PAVEMENT, ETC.) SHALL BE CLEARLY FENCED AND PROTECTED USING ESC
BMPS TO AVOID SEDIMENTATION AND COMPACTION DURING CONSTRUCTION.
5.
THE STANDARD STRENGTH FILTER FABRIC SHALL BE STAPLED OR WIRED TO THE
FENCE, AND 20 INCHES OF THE FABRIC SHALL BE EXTENDED INTO THE TRENCH.
20.
PRIOR TO THE BEGINNING OF THE WET SEASON (OCTOBER 1ST), ALL
THE FABRIC SHALL NOT EXTEND MORE THAN 36 INCHES ABOVE THE ORIGINAL
GROUND SURFACE. FILTER FABRIC SHALL NOT BE STAPLED TO EXISTING TREES
DISTURBED AREAS SHALL BE INSPECTED TO IDENTIFY WHICH ONES SHALL BE
SODDED OR SEEDED IN PREPARATION FOR THE WINTER RAINS. DISTURBED
6.
WHEN EXTRA STRENGTH FILTER FABRIC AND CLOSE POST SPACING ARE USED, THE
AREAS SHALL BE SODDED OR SEEDED WITHIN ONE WEEK OF THE BEGINNING
WIRE MESH SUPPORT FENCE MAY BE ELIMINATED. IN SUCH A CASE, THE FILTER
OF THE WET SEASON. AN EXHIBIT OF THOSE AREAS TO BE SODDED OR
FABRIC IS STAPLED OR WIRED DIRECTLY TO THE POSTS WITH ALL OTHER
SEEDED AND THOSE AREAS TO REMAIN UNCOVERED SHALL BE SUBMITTED TO
PROVISIONS OF STANDARD NOTE 5 APPLYING
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 A 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.
SCALE:
N/A
ONE INCH
AT FULL SCALE
IF NOT ONE INCH
SCALE ACCORDINGLY
7. THE TRENCH SHALL BE BACKFILLED WITH 3/4-INCH MINIMUM DIAMETER WASHED
GRAVEL
8. FILTER FABRIC FENCES SHALL BE REMOVED WHEN THEY HAVE SERVED THEIR
USEFUL PURPOSE, BUT NOT BEFORE THE UPSLOPE AREA HAS BEEN PERMANENTLY
STABILIZED
9. FILTER FABRIC FENCES SHALL BE INSPECTED IMMEDIATELY AFTER EACH RAINFALL
AND AT LEAST DAILY DURING PROLONGED RAINFALL. ANY REQUIRED REPAIRS
SHALL BE MADE IMMEDIATELY
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CITY OF
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RENTON
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P U LTE G ROU P, INC
DRAWING NO:
DATUM
Planning/Building/Public Works Dept.
3535 FACTORIA BLVD S.E., #600
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