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TESC LEGEND
SE 1/4 SECTION 3, TOWNSHIP 23 N, RANGE 5 E, W.M.
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REC. NO. 6261951 \
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CONSTRUCTION LIMITS, TO BE FLAGGED OR FENCED WHEN
CL NO SILT FENCE IS PROPOSED
SF SILT FENCE (BMP C233)
O O O O O STABILIZED CONSTRUCTION ENTRANCE (BMP C105)
DC
DUST CONTROL (BMP C140)
MU
MULCHING, MATTING, & COMPOST BLANKETS (BMP C121,
BMP C 125)
OINLET
PROTECTION (BMP C220)
PS
PERMANENT SEEDING AND PLANTING (BMP C120)
STREET SWEEPING & VACUUMING
SR
SURFACE ROUGHENING (BMP C130)
SC
SAWCUTTING AND SURFACING POLLUTION PREVENTION (BMP
C 152)
CH
CONCRETE HANDLING (BMP C151)
PC
PLASTIC COVERING (BMP C123)
'
INTERCEPTOR SCALE WITH ROCK
CHECK DAM EVERY 50'
12" TEMPORARY DI CULVERT
EXISTING FLOW DIRECTION
O1 REMOVE EXISTING STRUCTURE
OREMOVE EXISTING DRIVEWAY
OREMOVE EXISTING FENCE
Call 2 Working Days Before You Dig
811
Utilities Underground Location Center
(ID,MT,ND,OR,WA)
03/ZQ25
CONS TRUC T/ON 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).
3. 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.
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.
D.R. STRONG
CONSUL TING ENGINEERS
ENGINEERS PLANNERS SURVEYORS
620 - 71h AVENUE KIRKLAND, WA 98033
04258273063 F 425.827.2423
1 CITY COMMENTS (0&11
2 CITY COMMENTS (06.21,
N0.
REVISION
SEDIMENT TRAP SIZING SUMMARY. -
THE SEDIMENT TRAP WAS SIZED USING THE REQUIREMENTS STATED IN APPENDIX '0' OF
THE 2022 CITY OF RENTON SURFACE WATER DESIGN MANUAL SECTION D.4.5.1 WHICH
REQUIRES 2,080 S.F. OF SURFACE AREA PER CFS OF INFLOW WHICH WAS CALCULATED
USING WWHM2012 (15 MIN. TIME STEPS) TO ANALYZE THE DEVELOPED SITE CONDITIONS.
SEDIMENT POND (STORMWATER VAULT TO BE UTILIZED)
CA TCHMEN T AREA: 5.73 A C.
2- YEAR PEAK FLOW RATE .................... 1.658 CFS
REQUIRED SURFACE AREA ..................... 3, 449 S.F.
PROVIDED SURFACE AREA ..................... 7,850 S. F.
NO TES.-
1. ADDITIONAL EROSION CONTROL MEASURES MAY BE REQUIRED AS DEEMED
NECESSARY BY COR INSPECTOR.
2. ALL ONSITE EXISTING IMPROVEMENTS TO BE REMOVED UNLESS NOTED.
3. MEASURES WILL BE PROVIDED TO ENSURE THAT NO RUNOFF FROM THE SITE SHALL
GO TO ADJACENT PROPERTIES EITHER DURING OR AFTER CONSTRUCTION.
4. SILT FENCE WILL BE PROVIDED AT ALL DOWN SLOPES.
NORTH
GRAPHIC SCALE
0 20 40 80
1 INCH = 40 FT.
R-433002
IN COMPLIANCE WITH CITY OF RENTON STANDARDS
DEVELOPMENT ENGINEERING ' Ar ` �IL
yqi 08/07/2025 '
BD
04.02.25
YLP
SURVEYED:
JGR
SCALE:
AS NOTED
1988
HORIZONTAL: NAD D1983/1991
DATUM
TUM
PRI RENTON N T O N
•
Planning/Building/Public Works Dept.
SO L E R RA
AND TESC PLAN
10823, 10815, 10824 145TH PL SE
RENTON, WASHINGTON 98059
DATE:
O9.' s.2o24
BD
07.03.25
YLP
DESIGNED:
BDCLEARING
PAGE:FIELDOOK:
PAGE:
DRAWN:
PHB
ONE INCH
DRAWING NO:
C2
CHECKED: YLP
AT FULL SCALE
NOT ONE INCH
SCCALE ACCORDINGLY
BY
DATE
APPR
APPROVED:
YLP
SHEEP: OF:
2 12
N
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0
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DRS PROJECT NO. 23033