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0 EX CONTOUR
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T T PROPOSED CONTOUR (INDEX)
231 - PROPOSED CONTOUR
9 - - - - - - SPOT ELEVATION
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FF 78.0 FINISHED FLOOR ELEVATION
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- - - - - - - CONCRETE PAVEMENT 0
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HEAVY DUTY CONCRETE CD
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3PRC/EPRC BEGIN PAINTED RED CURB/ 0
END PAINTED RED CURB C\j
ASPHALT AC) PAVEMENT L
- - - - - - HEAVY ASPHALT (AC) PAVEMENT 0-
L I GRAVEL SURFACING
GRASS PAVE
0
SITE WALL
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0 it CATCH BASIN TYPE 1
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CATCH BASIN TYPE 2
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DO SD#50 CB TYPE 1 STORM DRAIN PI
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W ADA COMPLAINT GRATE 0
ca RIM 426.20 FOOTING/SUBSURFACE DRAIN
IE 421.35 (13" W) OUT
SDI
m 5CI3 2--W DISPERSION TRENCH
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W/ SOLI Qj.,7 QL7
6 LF 8" PVC RIM 424.92 NOTES: DETENTION/WATER QUALITY
@ 2.0%
0 IE 420�70 12" S IN
IE 4 IN
F*+ STORM DRAIN CLEANOUT
IE 4 IN I . ALL ON -SITE CB TYPE 1
DS - DOWNSPOUTS
SD#41 CB TYPE 2-48 STRUCTURES SHALL HAVE GRATES
W SOLID LOCKING LID
> 6 LF 8" PVC
RIM 426.12 0 10% PER WSDOT SLID PLA IN B_ 306,50-103 SIDE SEWER PIPE
IE 421.23 (13" S) IN (�2 -7 UNLESS OTHERWISE SPECI FIE ON SEWER CLEANOUT
IE 420.70 (12" NN IN Q�.,7 q3�7 PLANS.
/IE 418.67 (24" E) IN SIDE SEWER CONNECTION
0
SDI CB TYPE 1 SANITARY SEWER MANHOLE
2. ON -SITE CB TYPE I STRUCTURES
W/ ADA COMPLIANT GRATE (2)
RIM 424.83 WITH ADA COMPLIANT GRATES SHALL BOLLARD
IF 420.63 �8" N) IN BE PER WSDOT PLAN B-30.1 5-00
IF 420.63 3" S) OUT FIRE HYDRANT
SI C13 TYPE 1 OR APPROVED EQUAL.
W/ WATER F171NGS
ADA COMPLIANT GRATE E
Z�
I% M 427.67
3. ON -SITE CB TYPE I STRUCTURES w WATER SERVICE LINES
_0 IE 422.71 �8:: SE) IN x 0 � �A 0 _t!
IE 422 71 8 N) OUT 0 m WITH SOLID LOCKING LIDS SHALL BE WATER METER
EAVE SD#I4 PER WSDOT PLAN B-30.20-04 OR
0 W ADA COMPLIANT GRATE
W WATER SERVICE LINES
7RIM�
R, 42453 APPROVED EQUAL.
- - - - - - - 421,41 (8- E) IN
421,41 (8 SW) OUT FIRE SERVICE LINE
FIRE SERVICE VAULT
Ir *�I. FIRE SERVICE CONNECTION
4 -FG 426 00 11
IN FACILITY #2
STORMTECH MC-3500
L 450 CHAMBERS
TOP OF FOUNDATION STONE 423.25
- 7 426A2 7 424.M\
m 42612 --TOP OF CHAMBER: 422.25
M 42400 FG 424.00
BOTIOM OF CHAMBER 418.50
165 3" BOTIOM OF FOUNDATION STONE: 417.75
PVC @ 1�3%
-50 LF 8" HOPE
64 LF 8"
HOPE 0 0.7% 00 2.0% Know what's below.
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M SDI CB TYPE 1 Dial 811
W/ ALI LUMFLIANI UKAIE ju
RIM 425.08
W 4WI x Z �
FG 450 IE 422.41 (8" W) OUT R-419229
IN COMPLIANCE WITH CITY OF RENTON STANDARDS
SURFACE WATER UTILI DEVELOPMENT ENGINEERING
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msippo 04/13/2022
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MATCHILINE - SEE SHEET C2.3 MATCHLINE - SEE SHEET C2.5
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04 MAR 2022 Q
AS NOTED CITY OF NEW ELEMENTARY SCHOOL #16 0
S eate, PERMIT SUBM17AL 8/27/21 1075 DUVALL AVE NE 0
p. 206.725.1211 PERMIT RESUBMITTAL 12/20/21 RENTON RENTON, WA 9M9
Su3jt2 F mt Ave
e 201
I WA 98101
m m M I. 2G6.973,5344
PERMIT RESUBMITTAL 3/4/22 Planning/Building/Public Works Dept. GRADING AND C2.4
engineering pIIcwww.IpdengIneeI qe4/00 L 0/ *) F N� � I Ir
NO. REVISION BY DATE APPR W
DRAINAGE PLAN 30 147 a-