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33301 9th Avenue South Suite 300
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GEOGRID
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SUBGRADE IMPROVEMENT
AREA BENCH — EL 9.00
SUBGRADE IMPROVEMENT SECTION WITH OUTFALL
C500-2K SCALE: NTS
20
10
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CONSTRUCTION NOTES LEGEND
G
DRIVE EXISTING TIMBER PILE TO BENCH ELEVATION OR
2'-0" BELOW EXISTING MUDLINE. SEE GENERAL NOTE 3. X
D� TEMPORARY SHEET PILE CONTAINMENT WALL
a .
B� EXISTING GRADE
EXISTING MUDLINE
PAVEMENT FINISHED GRADE O O O
SUBGRADE EXCAVATION LIMITS
EXTEND GEOTEXTILE A MINIMUM 10'-0" PAST EXCAVATION
LIMITS TYPICAL.
DRAINAGE STRUCTURES
TIMBER PILE OUTSIDE OF TEMPORARY SHEET
PILE CONTAINMENT WALL
GEOTEXTILE (NON —WOVEN PER WSDOT SPEC 9-33.2(1) TABLE 3)
GEOGRID (TX160-475 OR TX7)
PCCP PAVEMENT SECTION
CRUSHED SURFACING BASE COURSE
PERMEABLE BALLAST
QUARRY SPALLS
PLANTING SOIL MIX
6" STREAMBED COBBLES
ROCK FOR EROSION AND SCOUR PROTECTION CLASS A
ROCK FOR EROSION AND SCOUR PROTECTION CLASS B
GENERAL NOTES
1. HORIZONTAL DATUM: WASHINGTON STATE COORDINATE SYSTEM, NORTH
ZONE, NORTH AMERICA DATUM 1983(91). VERTICAL DATUM: NATIONAL
GEODETIC VERTICAL DATUM 1929 (NGVD29). VERTICAL DATUM CONVERSION:
NGVD29 TO THE NORTH AMERICAN VERTICAL DATUM 1988 (NAVD88) _
NGVD29 + 3.60 FEET.
2. THERE SHALL BE NO EXPOSED GALVANIZED MATERIALS, COATINGS OR ZINC
APPLIED SURFACE TREATMENTS ON ANY EXTERIOR OR UNDERGROUND
MATERIALS OR SURFACES. ALL GALVANIZED OR ZINC APPLIED MATERIALS
OR COATINGS SHALL BE PERMANENTLY PAINTED OR COATED TO PREVENT
EXPOSURE OF THE GALVANIZED/ZINC MATERIALS PRIOR TO INSTALLATION
OR COMPLETION OF CONSTRUCTION.
3. THE MUDLINE ELEVATIONS SHOWN BELOW PILE SUPPORTED STRUCTURES IN
THESE PLANS ARE ASSUMED. TOP OF PILE/BOTTOM OF SUBGRADE SHALL
BE ELEVATION 13.0 OR 2 FEET BELOW THE FIELD VERIFIED MUDLINE,
WHICHEVER IS DEEPER.
RIPARIAN PLANTING ZONE PER DETAILS ON SHEET L01A THROUGH L08.
OUTFALL PIPE. SEE STORM PROFILES ON SHEETS
C500-2G THROUGH C500-2K.
3� TYPICAL SUBGRADE IMPROVEMENT CONSTRUCTION PER DETAIL 2 ON
SHEET C500-2S.
® IN —WATER FILL PER DETAIL 3 ON C500-2S.
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SUMMER — 15.18 NGVD 29
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WINTER — 13.18 NGVD 29
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SUBGRADE IMPROVEMENT
GEOGRID — EL 15.00
AREA BENCH — EL 13.00
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INSALLATION OF RETAINING WALLS TO BE COMPLETED UNDER
A SEPARATE BUILDING PERMIT
BEFORE YOU DIG Federal Way, Washington 98003-2600
1-800-424-5555 (206) 431-2300 Fax: (206) 431-2250
SYM REVISION BY APPROVED
— APRON R INFRASTRUCTURE W4700331 ABAM SPT
A CITY OF RENTON COMMENTS W4700331 ABAM SPT
DATE
06/08/18
10/01/18
SYM
CIIa9flou
BY I APPROVED I DATE
SUBGRADE IMPROVEMENT SECTION
00-2K SCALE: NTS
P.
of WA �f
BOE//V� OD
x
31271 w�
��ssioNaL
1 +00
CIVIL PERMIT
20
10
0
1 +54
R-401356
IN COMPLIANCE WITH CITY OF RENTON STANDARDS
DEVELOPMENT ENGINEERING
afowler 12/20/2018
ACCEPTABILITY
THIS DESIGN AND/OR
SPECIFICATION IS APPROVED
UNAWN
JDMCHECKED
UAI L
06 08 18
SUBTITLE
SUBGRADE IMPROVEMENT DETAILS - SHEET 7
CURRENT REVISION
W4700331
SYMBOL
A
DATE
10/01/18
SPT
06 08 18
SHEET
C500-2Q
C39-
ENGINEER
BEE
06 08 18
TITLE APRON R INFRASTRUCTURE
RENTON SITE
CIVIL MASTER SITE RENTON, Wq
APPROVED BY
DEPT.
DATE
CHECKED
JOB NO.
W4700331
COMP NO.
APPROVED
APPROVED
DWG No. 4—APRON—R—0500-2Q