HomeMy WebLinkAboutR-394407SE 1/4 , SECTION 26, TOWNSHIP 23N, RANGE 4 E, W.M.
EROSION CONTROL NOTES I o
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STANDARD CITY OF RENTON EROSION CONTROL NOTES:
GENERAL NOTES:
1. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRECONSTRUCTION MEETING MUST BE HELD
WITH THE CITY OF RENTON, PUBLIC WORKS DESIGN ENGINEER.
2. ALL LIMITS OF CLEARING AND AREAS OF VEGETATION PRESERVATION AS PRESCRIBED ON THE PLAN(S) SHALL BE
CLEARLY FLAGGED IN THE FIELD AND OBSERVED DURING CONSTRUCTION.
3. ALL REQUIRED SEDIMENTATION/EROSION CONTROL FACILITIES MUST BE CONSTRUCTED AND IN OPERATION PRIOR
TO LAND CLEARING AND/OR CONSTRUCTION TO ENSURE THAT SEDIMENT LADEN WATER DOES NOT ENTER THE
NATURAL DRAINAGE SYSTEM. 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 PERMITEE.
4. THE EROSION AND SEDIMENTATION CONTROL SYSTEMS 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 PERMITEE 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 PERMITEE 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.
5. 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.
6. DURING THE TIME PERIOD OF OCTOBER 1ST THROUGH APRIL 30TH, ALL PROJECT DISTRIBUTED SOIL AREAS
GREATER THAN 5,000 SQUARE FEET, THAT ARE TO BE LEFT UN —WORKED FOR MORE THAN 12 HOURS, SHALL BE
COVERED BY MULCH, SODDING OR PLASTIC COVERING.
7. IN ANY AREA WHICH HAS BEEN STRIPPED OF VEGETATION AND WHERE NO FURTHER WORK IS ANTICIPATED FOR A
PERIOD 30 DAYS OR MORE, ALL DISTURBED AREAS MUST BE IMMEDIATELY STABILIZED WITH MULCHING, GRASS
PLANTING OR OTHER APPROVED EROSION CONTROL TREATMENT APPLICABLE TO THE TIME OF YEAR. GRASS
SEEDING ALONE WILL BE ACCEPTABLE ONLY DURING THE MONTHS OF APRIL THROUGH SEPTEMBER, INCLUSIVE.
SEEDING MAY PROCEED, HOWEVER, WHENEVER IT IS IN THE INTEREST OF THE PERMITEE, BUT MUST BE
AUGMENTED WITH MULCHING, NETTING OR OTHER TREATMENT APPROVED BY THE CITY OF RENTON, OUTSIDE THE
SPECIFIED TIME PERIOD.
8. FOR ALL EROSION/SEDIMENTATION CONTROL PONDS WHERE THE DEAD STORAGE DEPTH EXCEEDS 6 INCHES, A
FENCE IS REQUIRED WITH A MINIMUM HEIGHT OF THREE (3) FEET, 3:1 SIDE SLOPES.
9. A TEMPORARY GRAVEL CONSTRUCTION ENTRANCE, 24 FEET X 50 FEET X 8 INCHES OF 4 TO 6 INCH QUARRY
SPALLS SHALL BE LOCATED AT ALL POINTS OF VEHICULAR INGRESS AND EGRESS TO THE CONSTRUCTION SITE.
NO. I REVISION
CONSTRUCTION SEQUENCE
1. HOLD THE PRE -CONSTRUCTION MEETING.
2. POST SIGN WITH NAME AND PHONE NUMBER OF ESC SUPERVISOR.
3. FENCE CLEARING LIMITS.
4. INSTALL CATCH BASIN PROTECTION.
5. INSTALL PERIMETER PROTECTION (SILT FENCE, BRUSH BARRIER, ETC.).
6. INSTALL TEMPORARY CONSTRUCTION STORMWATER SETTLING TANK.
7. CONSTRUCT SURFACE WATER CONTROLS SIMULTANEOUSLY WITH CLEARING AND GRADING FOR PROJECT
DEVELOPMENT.
8. INSTALL STORM DRAINAGE SYSTEMS.
9. INSTALL ASPHALT CONCRETE PAVEMENT, CURBING AND CEMENT CONCRETE AS SHOWN ON PLANS.
10. MAINTAIN EROSION CONTROL MEASURES IN ACCORDANCE WITH CITY OF RENTON STANDARDS AND
MANUFACTURER'S RECOMMENDATIONS.
11. RELOCATE EROSION CONTROL MEASURES, OR INSTALL NEW MEASURES SO THAT AS SITE CONDITIONS
CHANGE, THE EROSION AND SEDIMENT CONTROL IS ALWAYS IN ACCORDANCE WITH THE CITY OF RENTON
CLEARING AND GRADING STANDARDS.
12. COVER ALL AREAS THAT WILL BE UNWORKED FOR MORE THAN SEVEN DAYS DURING THE DRY SEASON OR
12 HOURS DURING THE WET SEASON WITH STRAW, WOOD FIBER MULCH, COMPOST, PLASTIC SHEETING, OR
EQUIVALENT.
13. STABILIZE ALL AREAS WITHIN SEVEN DAYS OF REACHING FINAL GRADE.
14. SEED, SOD, STABILIZE, OR COVER ANY AREAS TO REMAIN UNWORKED FOR MORE THAN 30 DAYS.
15. UPON COMPLETION OF THE PROJECT, STABILIZE ALL DISTURBED AREAS AND REMOVE BMPS IF
APPROPRIATE.
SURVEYED: AALA
DESIGNED: GXLE
DRAWN: SGR
CHECKED: AGC
BY I DATE I APPR I APPROVED:AGC
SCALE:
AS NOTED
ONE INCH
AT FULL SCALE
IF NOT ONE INCH
SCALE ACCORDINGLY
VERTICAL: NAVD 1988
HORIZONTAL: NAD 1983/1991
DATU V
17 - lI-IB
0 CITY OF
RENTON
Planning/Building/Public Works Dept
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CALL BEFORE YOU DIG
Call: TOLL FREE
—800-424-5555
IN COMPLIANCE WITH CITY OF RENTON STANDARDS
SURFACE WATER UTILITY % � IL
rstraka 11 /29/2018 %J
w1cDAVID EVANS
ANDASSOCIATES INC.
14432 SE Eastgate Way, Suite 400
Bellevue Washington 98007
DEVELOPMENT ENGINEERING
rnair 11 /30/2018%."Ill
KING COUNTY REGIONAL DATE. 1/3/2018
AFIS LAB REPLACEMENT FIELDBOOK:
PAGE:
EROSION CONTROL NOTES C5.1
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R-399407