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A PORTION OF THE NW 1/4 iOF SECTION 19, TOWNSHIP 23 NORTH, RANGE 05 EAST, W� M., KING COUNTY, WASHINGTON
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UBLIC) ,
SEE GRADING AND � -
- STORM DRAINAGE
LEGEND
PROPOSED FEATURES -
SD STORM DRAIN PIPE
SD - _ STORM DRAIN INFILTRATION TRENCH
GRADE BREAK
- - - T FLOWLINE
20 CONTOUR
■ TYPE 1 CATCH BASIN
® TYPE 2 CATCH BASIN
• STORM DRAIN CLEANOUT
ME MATCH EXISTING ELEVATION
TIC TOP OF CURB
BC BOTTOM OF CURB
HP HIGH POINT
20.05 SPOT ELEVATION
x�
FILTERRA
- RP PROPOSED ELECTRICAL CONDUIT
GENERAL NOTES
O
00
T
161
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1. SEE SHEET C0.1 FOR SURVEY INFORMATION. C_
CM
2. SEE SHEET C3.2 FOR GENERAL GRADING AND DRAINAGE NOTES. O
O
3. ALL RADII DIMENSIONS ARE TO THE FACE OF THE CURB/FLOWLINE, UNLESS O
OTHERWISE NOTED. 0I
4. COORDINATE WITH HORIZONTAL CONTROL/SITE/PAVING PLAN, SHEET C2.0. T_
5. AN ARBORIST SHALL BE PRESENT ON THE SITE DURING CONSTRUCTION AT
OFF -SITE TREE DRIP LINES TO ENSURE PROPER TECHNIQUES ARE USED
TO PROTECT TREE ROOT SYSTEM.
6. FLOW CONTROL FACILITY IS NOT REQUIRED FOR THIS PROJECT.
KEY NOTES
FILTERRA UNITS TO BE INSTALLED AS PRIVATE WATER QUALITY FACILITY
PER DETAILS 01/C3.3 AND 02/C3.3.
INSTALL STORM DRAIN PIPE PER CITY OF RENTON STD PLAN 220.10 AND
STD PLAN 220.20 (DETAILS 03/C3.3 AND 04/C3.3, RESPECTIVELY). PIPE
LENGTH, DIAMETER, TYPE, AND SLOPE PER PLAN.
:� MATCH ELEVATION OF EXISTING ASPHALT PAVEMENT PER 04/C2.3.
R� CONNECT INTO EXISTING STRUCTURE.
TYPE 1 CATCH BASIN (PRIVATE) PER CITY OF RENTON STD PLAN 200.00
(DETAIL 01/C3.4) WITH FRAME PER STD PLAN 204.00 (DETAIL 02/C3.4)
AND SOLID COVER PER STD PLAN 204.10 (DETAIL 03/C3.4).
SITTS & HILL
ENGINEERS, INC.
CIVIL ■ STRUCTURAL ■ SURVEYING
4815 CENTER STREET TACOMA, WA. 98409
PHONE: (253) 474-9449 FAX: (253) 474-0153
http://www.sittshill.com/
Project No.: 17668 Project Mgr.: KH
Proj. Engineer: MBK Proj. Drafter: JMW
PLAN (PUBLIC i 2TH S"r° oyp
_ O _ONP" NP w \ S.W' 1 I ;, R-402714
_ W °y°
w � q IN COMPLIANCE WITH CITY OF RENTON STANDARDS
_OHP'_ IN - 155 --W "- ��0 3 54610 �� 5
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_ w 26 3 1III�
DEVELOPMENT ENGINEERING "ONP" � - 1®�� 845 '3 °�e N2, 10> 1 �oyA - ��` SURFACE WATER UTILITY
bbannwarth 11 /13/2018 rstraka 11 /13/2018
R-
cN CD 1295760.59 / (546' ' 0 r �-
"Q' EL 19. '
O _ W - - W -LAP/) MG NAIL ' ', �g. � -� NORTH
N: 174009.87
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X 1g
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1 \.2
E: 1295760.62
ELEV.• 19.34
x 1g 6� Ore ,
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ode �6
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• Call 811
• ® two business days
before you dig
HORIZONTAL SCALE: 1 =10
GRADING AND STORM DRAINAGE PLAN (PRIVATE) 10 0 10 20
SCALE: 1"=10'
SURVEYED: SCALE:
VERTICAL: NAVD 1988
• C T Y O F
AS NOTED HORIZONTAL: NAD 1983/183/1991
DESIGNED:%R3
KH RENTON
DRAWN:
JMW ONE INCH
CHECKED: DATUM
MBK AT FULL SCALE Planning/Building/Public Works Dept.
IF NOT ONE INCH
NO. REVISION BY DATE AP P R APPROVED: SCALE ACCORDINGLY
KH
WSADA PARKING LOT
GRADING AND STORM DRAINAGE PLAN
(PRIVATE)
O
J
0
DATE: Z
FIELDBOOK:
PAGE:
DRAWING NO:
C3.0 0-
SHEET: OF:
14 25 Q
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