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RIM=391.62
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IE(18"S)=3&1.3
381.52
390 I APPROX. EXIST. 15390
GRADE (TYP.)
TOP=387.68
MAX W.S. 100- YR =393 3 rTOIP=386.68
385 ��/3 385
2- YR W.S. =58+61 B383. 6 to
5 -
12 -
/�� TOE=382.46 MIN.
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CPI�I
CONSULTANTS
Site Planning • Civil Engineering
Land Use Consulting • Project Management
11431 WILLOWS RD. NE, SUITE 120
REDMOND, WA 98052
Phone: (425) 285-2390 1 FAX: (425) 285-2389
www.cphconsultants.com
W.Q. ELEV =3�9 48-379.6 / -CAST-IN-PLACE380
CONC. WALL
3 3 /�/���//��/�'�� (SEE NOTE 1)
SEDIMENT STORAGE=37-5.46.375-5
BOTT, CELL ELEV=375.4e
375
SUITABLE UNDISTURBED ��� '\ \/\
NATIVE SOIL SUBGRADE (TYP.)
370
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SEC. 14, TWP 23 N, R5E W.M.
395
II
II
395
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FINISH GRADE (TYP.)
-2 PAD
50
390
x APPROX. EXIST.
6
390
GRADE (TYP.)
TOP BERM=387.68
MAX W.S. (100- YR)=� 3---- - -
_
TOP=387.68
385�
--2-YR
ASi-IN-PLACE
385
W.S.=3S6r36
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380
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380
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---
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SEDIMENT STORAGE= Z�375�575
BOT. CELL ELEV=374.5 %�%�% //////�� \���%j�///��%
BOT. CELL
ELEV=374.4e 374.5
SUITABLE UNDISTURBED/�/�//�/�/���
NATIVE SOIL SUBGRADE (TYP.)
370
370
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395 _
395
X FINISH GRADE (TYP.)
390390
15'
APPROX. EXIST.
GRADE (TYP.)
x ,
3 L
TOP=387.68
MAX W.S.
--�
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(100- YR)=386�9-386. - - - - - TOE=386.68
-- ---
385 �, 3
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385
2-YR
W.S.=384:-9-5-383.6 Lci
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TOE=382.46
380
j00/ W.Q.
ELEV= 379-49-379.6
380
CAST -IN -PLACE
CONC. WALL
SEE NOTE 1
STORAGE=3�4�( )
375
BOT. CELL ELEV=k4 374.5
��/�� �� 375.5
375
SUITABLE UNDISTURBED
NATIVE SOIL SUBGRADE (TYP.)
370
370
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SECTION CC
CONSTRUCTION NOTES
020' DRIVEWAY GATE FOR ACCESS DRIVE PER WSDOT STD. PLAN L-30.10-02
06' BLACK VINYL COATED CHAIN LINK FENCE PER WSDOT STD. PLAN L-20.10-03
OPIPE OUTLET PROTECTION PER DET. ON SHTT, C3.103
OPIPE INLET PROTECTION PER DET. ON SHTT, C3.103
OPOND ACCESS ROAD PER DET. ON SHT. C3.101
06 PERMANENT SURFACE WATER CONTROL POND SIGN PER DET. ON SHT. C3.109
NOTE:
1. THE CAST -IN -PLACE (CIP) CONCRETE WALL LOCATED WITHIN THE STORM
POND TRACT SHALL BE A REINFORCED CONCRETE RETAINING WALL AS
PROVIDED BY A PROFESSIONAL STRUCTURAL ENGINEER LICENSED IN THE
STATE OF WASHINGTON. THE FINAL CIP WALL DESIGN WILL BE PROVIDED
FOR REVIEW AND APPROVAL BY THE CITY AS A SEPARATE STRUCTURAL
WALL PERMIT PACKAGE.
2.THE FINAL CIP WALL DESIGN SHALL CONSIDER ACTUAL IN -SITU SOIL
BEARING CAPACITY, SURCHARGE AND HYRDOSTATIC LOADING, AND
POTENTIAL BUOYANCY CONDITIONS AS PROVIDED BY THE PROJECT
GEOTECHNICAL ENGINEER.
3. AN IMPERMEABLE SOIL LINER SHALL BE PROVIDED AT THE POND BOTTOM
AND INTERIOR SIDE SLOPES TO THE EXTENTS SHOWN ON THIS PLAN. THIS
IMPERMEABLE SOIL MATERIALS, WHICH MAY INCLUDE NATIVE OR AMENDED
NATIVE ONSITE SOILS, SHALL BE AS SPECIFIED BY THE PROJECT
GEOTECHNICAL ENGINEER.
4. POND BERM EMBANKMENTS MUST BE CONSTRUCTED ON NATIVE OR
CONSOLIDATED SOIL (OR ADEQUATELY COMPACTED AND STABLE FILL SOILS
ANALYZED BY A GEOTECHNICAL ENGINEER) FREE OF LOOSE SURFACE SOIL
MATERIALS ROOTS AND OTHER ORGANIC DEBRIS.
5. POND BERM EMBANKMENTS GREATER THAN 4' IN HEIGHT MUST BE
CONSTRUCTED BY EXCAVATED A KEY EQUAL TO 50% OF THE BERM
EMBANKMENT CROSS -SECTIONAL HEIGHT AND WIDTH UNLESS SPECIALLY
RECOMMENDED OTHERWISE BY A GEOTECHNICAL ENGINEER.
6. THE BERM EMBANKMENT SHALL BE CONSTRUCTED OF SOIL PLACED IN
6-INCH LIFTS COMPACTED TO AT LEAST 95% OF MAXIMUM DRY DENSITY,
WITHIN 2 PERCENTAGE POINTS OF THE OPTIMUM MOISTURE CONTENT,
MODIFIED PROCTOR METHOD ASTM D 1557. DENSITY TESTS SHALL BE
PERFORMED FOR EACH LIFT TO CONFORM COMPLIANCE WITH THIS
SPECIFICATION. THE SOIL USED FOR CONSTRUCTION SHALL HAVE THE
FOLLOWING SOIL CHARACTERISTICS: A MINIMUM OF 20% SILT AND CLAY, A
MAXIMUM OF 60% SAND, A MAXIMUM OF 60% SILT AND CLAY, NORMAL
GRAVEL AND COBBLE CON TEN T
7. A PUBLIC STORM DRAINAGE MAINTENANCE AND ACCESS EASEMENT WILL BE
PROVIDED FOR THE ENTIRETY OF THE STORM TRACT.
POND BOTTOM TABLE
NAME
NORTHING
EASTING
A
176946.06
1318641.84
B
176945.85
1318674.17
C
176938.18
1318673.96
D
176938.41
1318641.77
E
176953.13
1318710.17
F
176951.69
1318713.99
G
176938.09
1318713.58
H
176938.11
1318709.74
N
Vol
F ST
sSIONAL A
0 5 10 \to t•
VERT. IN FEET CONSTRUCTION RECORD DRAWING
0 20 40 THE AS -BUILT INFORMATION SHOWN
ON THIS PLAN IS PER A FIELD SURVEY
PERFORMED AND DATA PROVIDED BY
HORIZ. IN FEET AXIS SURVEY & MAPPING AND/OR
R-396117 RECORD ITH�RMATION CONTRACTORPROVIDED BY
IN COMPLIANCE WITH CITY OF RENTON STANDARDS
CONSTRUCTION PERMIT SUBMITTAL PCE 2/20/17 JBS SURVEYEMITcIi EVANS SALE: MEADOWVUE DATE:
7/25/18
DESIGNED: � I I I
VERTICAL: NAVD 1988
CONSTRUCTION RECORD DRAWINGS ACS 1 27 18 JBS HORIZONTAL: NAD ,9ss�,99, T TY O C
ROADWAY GRADING, DRAINAGE AND SANITARY SEWER IMPROVEMENTS FIELDBOOK:
® JAMIE SCHROEDER '>A
Q DRAWN: R E T O O V PAGE:
PETER EVANS ONE INCH DRAWING NO:
I,
CHECKED: AT FULL SCALE DATUM Planning/Building/Public Works Dept. POND PLAN C',3.20
Know what s below. MJH
N0. REVISION BY DATE APPR C NOT ONE INCH
Call before you dip. APPROVED:
SCALE ACCORDINGLY SHEET: OF
17 4�