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TEMPORARY EROSUN/SEDIMENT CONTROL (TESC) GENERAL NOTES
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DocuSign Envelope ID: 6EECF5B6-602A-4E4A-B436-A317AA638878
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 1ST
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 500 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 1 ST), 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 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 1 ST,
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
PUBLIC WORKS EROSION AND SEDIMENT CONTROL PPR
DEPARTMENT GAZ 9/28/2018
STANDARD PLAN NOTES
Public Works Adrnin-Wator DATE
COR EROSION AND SEDIMENT CONTROL STD PLAN NOTES 268.00
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BMP INSTALLATION, MAINTENANCE, AND DISCHARGES
1. INLET PROTECTION SHALL BE INSTALLED IN ANY ROAD OR PARKING LOT DRAINAGE SYSTEM
INLETS, EXISTING OR NEWLY INSTALLED, WHICH ARE LIKELY TO RECEIVE RUNOFF FROM THE
DISTURBED AREAS DURING CONSTRUCTION. INLET PROTECTION SHOWN ON THE TESC PLANS
ARE APPROXIMATE LOCATIONS. THE CONTRACTOR SHALL ADD INLET PROTECTION AS
NECESSARY TO ALL CATCH BASINS THAT RECEIVE STORM WATER RUNOFF WITHIN THE
PROJECT AREA AND THAT MAY OR MAY NOT BE SHOWN ON THE TESC PLANS.
2. AT NO TIME SHALL MORE THAN 1 FOOT OF SEDIMENT BE ALLOWED TO ACCUMULATE WITHIN
A CATCH BASIN. ALL CATCH BASINS AND CONVEYANCE LINES SHALL BE CLEANED AT THE
COMPLETION OF THE PROJECT IF IT IS DETERMINED BY THE PROJECT REPRESENTATIVE THAT
THIS IS NEEDED. THE CLEANING OPERATION SHALL NOT FLUSH SEDIMENT -LADEN WATER
INTO THE DOWNSTREAM SYSTEM.
3. THE CONTRACTOR SHALL NOT CONVEY RUNOFF TO THE EXISTING RAIN GARDEN.
4. WHERE HYDROSEEDING FOR TEMPORARY EROSION CONTROL IS USED, FAST GERMINATING
GRASSES SHALL BE APPLIED AT AN APPROPRIATE RATE (EXAMPLE: ANNUAL OR PERENNIAL
RYE APPLIED AT APPROXIMATELY 80 POUNDS PER ACRE).
5. ALL WORK AND MATERIALS SHALL BE IN ACCORDANCE WITH CITY OF RENTON STANDARDS
AND SPECIFICATIONS.
6. THE ESC
FACILITIES
SHALL BE CONSTRUCTED
IN ACCORDANCE WITH THE DETAILS ON THE
APPROVED
PLANS.
LOCATIONS MAY BE MOVED
TO SUIT FIELD CONDITIONS, SUBJECT TO
APPROVAL
BY THE
OWNER'S REPRESENTATIVE
AND THE CITY OF RENTON INSPECTOR.
7. A COPY OF THE APPROVED EROSION CONTROL PLANS MUST BE ON THE JOB SITE
WHENEVER CONSTRUCTION IS IN PROGRESS.
B. PROJECT LIMITS SHALL BE DELINEATED WITH A HIGH VISIBILITY FENCE AND 6FT. CHAIN LINK
FENCE.
9. OFF -SITE STREETS MUST BE KEPT CLEAN AT ALL TIMES. IF DIRT OR MUD IS DEPOSITED ON
THE PUBLIC STREET SYSTEM, THE STREET SHALL BE IMMEDIATELY CLEANED WITH POWER
SWEEPER OR OTHER EQUIPMENT. ALL VEHICLES SHALL LEAVE THE SITE BY WAY OF THE
CONSTRUCTION ENTRANCE AND SHALL BE CLEANED OF ALL DIRT THAT WOULD BE DEPOSITED
ON THE PUBLIC STREETS. FLUSHING WITH WATER WILL NOT BE ALLOWED.
10. CONTRACTOR SHALL PROTECT ALL PERVIOUS AND IMPERVIOUS CONCRETE PATHWAYS DURING
CONSTRUCTION ACTIVITIES. THE CONTRACTOR SHALL REPAIR ANY DAMAGED SURFACING TO
THE SATISFACTION OF THE CITY AT THE CONTRACTOR'S OWN EXPENSE.
11. ALL DENUDED SOILS OR STOCKPILES MUST BE STABILIZED WITH AN APPROVED TESC COVER
METHOD (E.G. SEEDING, MULCHING OR PLASTIC COVER).
12. IF ANY PART(S) OF THE CLEARING LIMIT BOUNDARY OR TEMPORARY EROSION/SEDIMENTATION
CONTROL MEASURE(S) IS/ARE DAMAGED, IT SHALL BE REPAIRED IMMEDIATELY.
13. ALL PROPERTIES ADJACENT TO THE PROJECT SITE SHALL BE PROTECTED FROM SEDIMENT
DEPOSITION AND RUNOFF.
14. DO NOT FLUSH CONCRETE BY-PRODUCTS INTO THE STORM DRAINAGE SYSTEM. IF EXPOSED
AGGREGATE IS FLUSHED INTO THE STORM SYSTEM, IT COULD MEAN RE -CLEANING THE
ENTIRE DOWNSTREAM STORM SYSTEM, OR POSSIBLY RE-LAYING THE STORM LINE.
15. THE CONTRACTOR SHALL NOT DISCHARGE TURBID WATER GENERATED FROM CONSTRUCTION
ACTIVITIES, DIRECTLY TO ANY STREAMS, STORM WATER SYSTEM INLETS, OR DRAINAGE
DITCHES IN ACCORDANCE WITH THE GENERAL PERMIT.
16. THE CONTRACTOR SHALL NOT DISCHARGE ANY CLEANING SOLVENTS OR CHEMICALS UTILIZED
FOR TOOL OR EQUIPMENT CLEANING TO THE GROUND. REFUELING OF EQUIPMENT SHALL BE
CONDUCTED AWAY FROM THE DRAINAGE FACILITIES AND DONE IN SUCH A MANNER AS TO
PREVENT SPILLS FROM ENTERING THE GROUNDWATER OR WATER BODIES (INCLUDING
WETLANDS). SPILLS SHOULD BE PREVENTED FROM HITTING THE GROUND PER CSWPPP.
17. THE CONTRACTOR SHALL SET ASIDE A SEPARATE AREA FOR THE WASH -OUT OF
CONSTRUCTION EQUIPMENT AND TOOLS.
18. THE CONTRACTOR SHALL PROPERLY DISPOSE OF ALL CONSTRUCTION DEBRIS IN AN
APPROVED AND PERMITTED LANDFILL FACILITY.
19. CONTRACTOR SHALL VERIFY THE FEASIBILITY, OBTAIN AN INDUSTRIAL WASTE DISCHARGE
AUTHORIZATION PERMIT AND SEEK APPROVAL FROM THE CITY OF RENTON UTILITY DISTRICT
PRIOR TO DISCHARGE OF ANY CONSTRUCTION RUNOFF TO THE SANITARY SEWER.
R-406902
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