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\ sIONAL
D.R. STRONG
CONSUL TING ENGINEERS
ENGINEERS PLANNERS SURVEYORS
620 7TH AVENUE, KIRKLAND, WA 98033
0 425- 827.3063 F 425.8272423
1 CITY COMMENTS, REVIEW 1
2 CITY COMMENTS, REVIEW 2
3 CITY COMMENTS, REVIEW 3
N0.
REVISION
MAJ
03.22.16
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SURVEYED::
SJS
MAJ
06.06.16
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DESIGNED:
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08.12.16
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DRAWN:
CHECKED: Mal
BY
DATE
APPR
APPROVED:
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CONSTRUCTION LIMITS
REINFORCED SILT FENCE
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STABILIZED CONSTRUCTION ENTRANCE
OC DUST CONTROL
MULCHING, MATTING, & COMPOST BLANKETS
O INLET PROTECTION
PS PERMANENT SEEDING AND PLANTING
STREET SWEEPING & VACUUMING
....... INTERCEPTOR SWALE WITH ROCK CHECK DAM
EVERY 50'
12" TEMPORARY CULVERT
TREE PROTECTION FENCE
OREMOVE EXISTING STRUCTURE
OREMOVE EXISTING UTILITY ELEMENT
OCONTRACTOR TO LIMIT FOOT TRAFFIC WITHIN
WETLAND BOUNDARIES DURING CULVERT CONSTRUCTION
TREE TO BE REMOVED
1
TREE TO BE RETAINED
OWEN T TRAP 1 SIZING SUMMAR Y.-
SEDIMENT TRAP WAS SIZED USING THE REQUIREMENTS STATED IN
-NDIX D' OF THE 2009 KCSWDM SECTION D.3.5.1 WHICH REQUIRES 2080
OF SURFACE AREA PER CFS OF INFLOW WHICH WAS CALCULATED USING
IS (15 MIN TIME STEPS) TO ANALYZE THE DEVELOPED SITE CONDITIONS.
' (CA TCHMENT AREA: 2.95 AC.)
EAR PEAK FLOW RATE...................1.07 CFS
1IRED SURFACE AREA.....................2, 225 S. F.
VIDED SURFACE AREA ..................... 2,650 S.F.
OIMENT TRAP 2 SIZING SUMMARY. -
SEDIMENT TRAP WAS SIZED USING THE REQUIREMENTS STATED IN
_NDIX D' OF THE 2009 KCSWDM SECTION D.3.5.1 WHICH REQUIRES 2080
OF SURFACE AREA PER CFS OF INFLOW WHICH WAS CALCULATED USING
rS (15 M1N TIME STEPS) TO ANALYZE THE DEVELOPED SITE CONDITIONS.
' (CATCHMENT AREA: 2.17 AC.)
:AR PEAK FLOW RATE...................0.591 CFS
BRED SURFACE AREA ..................... 1,230 S.F.
/IDED SURFACE AREA.....................1, 640 S.F.
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SCALE:
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VERTICAL: NAVD 1988
AS NOTED HORIZONTAL: NAD 1983/1991
1ONE INCH
DATUM
AT FULL SCALE I DATUM
IF NOT ONE INCH
SCALE ACCORDINGLY
mum
- CITY OF
RENTON
Planning/Building/Public Works Dept
CONSTRUCTION SEQUENCE:
1. PRE -CONSTRUCTION MEETING.
2. POST SIGN WITH NAME AND PHONE NUMBER OF ESC SUPERVISOR (MAY
BE CONSOLIDATED WITH THE REQUIRED NOTICE OF CONSTRUCTION SIGN).
J. FLAG OR FENCE CLEARING LIMITS AND PROVIDE TREE PROTECTION.
4. INSTALL CATCH BASIN PROTECTION IF REQUIRED.
5. GRADE AND INSTALL CONSTRUCTION ENTRANCE(S).
6. CONSTRUCT OUTFALL CONVEYANCE SYSTEM FROM CB 22 TO EXISTING CB.
7. INSTALL PERIMETER PROTECTION (SILT FENCE, BRUSH BARRIER, ETC.).
8. CONSTRUCT SEDIMENT TRAPS.
9. GRADE AND STABILIZE CONSTRUCTION ROADS.
10. CONSTRUCT SURFACE WATER CONTROLS (INTERCEPTOR DIKES, PIPE
SLOPE DRAINS, ETC.) SIMULTANEOUSLY WITH CLEARING AND GRADING FOR
PROJECT DEVELOPMENT.
11. MAINTAIN EROSION CONTROL MEASURES IN ACCORDANCE WITH APPENDIX
D OF THE SURFACE WATER DESIGN MANUAL AND MANUFACTURER'S
RECOMMENDA TIONS
12. 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 CI TY S EROSION AND SEDIMENT
CONTROL STANDARDS.
13. COVER ALL AREAS THAT WILL BE UNWORKED FOR MORE THAN SEVEN
DAYS DURING THE DRY SEASON OR TWO DAYS DURING THE WET SEASON
WITH STRAW, WOOD FIBER MULCH, COMPOST, PLASTIC SHEETING OR
EQUIVALENT.
14. STABILIZE ALL AREAS THAT REACH FINAL GRADE WITHIN SEVEN DAYS.
15. SEED OR SOD ANY AREAS TO REMAIN UNWORKED FOR MORE THAN 30
DA YS.
16. UPON COMPLETION OF THE PROJECT, ALL DISTURBED AREAS MUST BE
STABILIZED AND BMPS REMOVED IF APPROPRIATE.
NO TES.•
1. ADDITIONAL EROSION CONTROL MEASURES MAY BE REQUIRED AS DEEMED
NECESSARY BY COR INSPECTOR.
2. ALL ONSITE EXISTING IMPROVEMENTS TO BE REMOVED.
J. BAKER TANKS (AS NECESSARY) WILL BE UTILIZED.
4. MEASURES WILL BE PROVIDED TO ENSURE THAT NO RUNOFF FROM THE
SITE SHALL GO TO ADJACENT PROPERTIES EITHER DURING OR AFTER
CONSTRUCTION.
5. SILT FENCE WILL BE PROVIDED AT ALL DOWN SLOPES.
ARBORIST NOTE.
ANY WORK DONE WITHIN A TREE DRIPLINE MUST BE DONE UNDER ARBORIST
SUPER VISION.
EXISTING WATT
SERVICE TO BE
- 25 50 100
EXISTING P ON
PEDESTAL TO BE RELOCATED
1 INCH = 50 FT.
EXISTING POWER POLE TO BE
PROTECTED DURING CONSMUC77061 1
RECOMMENDED FOR APPOVAL
R=389705
BY: ." Date:_
BY: Date: g4
BY: Date:
BY: Date:
09.28.15
FIELDBOOK:
PAGE:
DRAWING NO:
C7
SHEET: 7 OF: 33
DRS PROJECT N0. 12102 IAI-ININININIAIA
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