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UTILITIES MAPPING:
ALL EXISTING UTILITIES SHOWN HEREIN ARE TO BE VERIFIED
HORIZONTALLY AND VERTICALLY PRIOR TO ANY CONSTRUCTION.
ALL EXISTING FEATURES INCLUDING BURIED UTILITIES ARE SHOWN
AS INDICATED BY RECORD LOCATION OR FIELD TIED AS A RESULT
OF A UTILITY PAINT -OUT DURING THE COURSE OF THE FIELD
SURVEY. DUANE HARTMAN & ASSOCIATES, INC. (DHA) ASSUMES
NO LIABILITY FOR THE ACCURACY OF THE RECORD INFORMATION
AND/OR THE UTILITY PAINT -OUT. FOR THE FINAL LOCATION OF
THE EXISTING UTILITIES IN AREAS CRITICAL TO CONSTRUCTION,
CONTACT THE UTILITY OWNER/AGENCY AND UTILITIES
UNDERGROUND CENTER (800/424-5555).
TOPOGRAPHIC MAPPING:
THE MAP SHOWN HEREON IS THE RESULT OF A TOPOGRAPHIC
SURVEY BY DUANE HARTMAN & ASSOCIATES, INC. (DHA)
COMPLETED IN MAY 2018. DHA ASSUMES NO LIABILITY, BEYOND
SAID DATE, FOR ANY FUTURE SURFACE FEATURE MODIFICATIONS
OR CONSTRUCTION ACTIVITIES THAT MAY OCCUR WITHIN OR
ADJOINING THE PERIMETER OF THIS SURVEY. CONTACT DHA
(425/483-5355) FOR SITE UPDATES AND VERIFICATIONS.
HORIZONTAL DATUM:
WASHINGTON STATE COORDINATE SYSTEM
OF 1983, NORTH ZONE
VERTICAL CONTROL : ELEVATIONS SHOWN HEREON ARE REFERENCED TO
NATIONAL GEODETIC VERTICAL DATUM 1929 (NGVD-29) ALSO KNOWN AS
SEA LEVEL DATUM OF 1929
ITEM
USCE/AUSTIN
NGVD 29
LAKE WASHINGTON HIGH WATER (MAY 1ST)
21.85
15.03
LAKE WASHINGTON LOW WATER (FEB 15TH)
20.35
13.53
LAKE WASHINGTON MAX. WATER BY LAW
22.00
15.18
AUSTIN DATUM (DEFENSE PLANT 1942)
0.00
—6.82
CORPS OF ENGINEERS LK. WASH. DATUM
0.00
—6.82
6.82
0.00
BLDG 4-20 FLOOR ELEVATION
27.00
20.18
THE ABOVE TABLE OF VERTICAL DATUM IS BASED UPON THE ASSUMPTION
THAT THE ORIGINAL DEFENSE PLANT DATUM FOR RENTON AIRFIELD IN 1942
WAS LAKE WASHINGTON DATUM AS ESTABLISHED AND PUBLISHED BY THE
U.S. ARMY CORPS OF ENGINEERS AND HIRAM CHITTENDEN LOCKS.
PROJECT BENCHMARKS :
DHA 501
SCRIBED "X"
N 184238.715
E 1300109.968
EL 19.51
DHA 503
SCRIBED "X"
N 184323.742
E 1300591.873
EL 21.37
SYM REVISION BY APPROVED DATE
- APRON R INFRASTRUCTURE W4700331 ABAM SPT 06/08/18
A CITY OF RENTON COMMENTS W4700331 ABAM SPT 10/01/18
K EY „P LA N
SCALE: 1 = 150 I v
300 0 150 300
1 " = 300'
scale feet
SYM I REVISION I BY I APPROVED I DATE
P. Tt
of WA g I ' f
BOE//V" �P �1
x
31271 w�
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ACCEPTABILITY IJDM
THIS DESIGN AND/OR CHE(
SPECIFICATION IS APPROVED SPT
ENGI
APPROVED BY DEPT. DATE BEE
i BergerABAM
33301 9th Avenue South, Suite 300
Federal Way, Washington 98003-2600
(206) 431-2300 Fax:(206) 431-2250
)AI L SUBTITLE
06/08/18
06/08/18
06/08/18 TITLE
CIVIL PERMIT,
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r_3, 0l1■son IIIato=�1:11111011111to] ION I
RENTON SITE
R-401307
IN COMPLIANCE WITH CITY OF RENTON STANDARDS
DEVELOPMENT ENGINEERING
afowler 12/20/2018
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W4700331H\
SURFACE WATER UTILITY
rstraka 12/20/2018
10/01/18
G6 G06
JOB NO. COMP NO.
W4700331
DWG N0.
RENTON, WA 4—APRON—R—G6
CIVIL MASTER
SITE