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ID Z I f EX CONTOUR
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X X X X 230
or - - - - PROPOSED CONTOUR (INDEX)
- - - - PROPOSED CONTOUR
SPOT ELEVATION
FF 78.0 FINISHED FLOOR ELEVATION
EX BUILDING
STORMWATER DISPERSION TRENCH 8
2' WIDE X 30' LONG GRAVEL FILLED PROPOSED BUILDING CY)
TRENCH W/ CD
CONCRETE PAVEMENT 0
\\148' FLOW PATH t t t T 2' WIDE X 50' LONG GRAVEL FILLED C:)
HEAVY DUTY CONCRETE CD
TRENCH W1 I
N (�6 3PRC/EPRC BEGIN PAINTED RED CURB/ 0
156' FLOW PATH END PAINTED RED CURB C\I
P2,
ASPHALT AC) PAVEMENT
SD#24. C13 TYPE 1
W7SOLID LOCKING LID
RIM 427.50 HEAVY ASPHALT (AC) PAVEMENT
IE 422.83 (8" E) IN MSZO&LIAM CID
SI TYP 1 GRAVEL SURFACING
W/ SOLID LOCKING LID IE 422.83 (8" PERF S) OUT RIM 421.00
RIM 427.50 IE 418.33 8:' E) IN GRASS PAVE
IE 418.33 b' PERF N OUT
IE 422�83 (8: E) IN IE 418.33 8" PERF S� OUT
IL 4ZZ,b3 d PERF S) OUT SITE WALL
1 VERTICAL CURB
57 LF 8" HDPE'
0
CATCH BASIN TYPE 1
I CATCH BASIN TYPE 2 GO
�STORM DRAIN PIPE
-RIM 428.16
IE 425�47 (8- E) IN I I TIT (D
IF 424�66 (8" NW) OUT DO ............. FOOTING/SUBSURFACL URAIN C I
L IF 424�66 (8" S) OUT m
m
DISPERSION TRENCH
800
-6 LF 8" PVC 2�
6 TORMWATER 0 3.0% it TIT DETENTION/WATER OUALffY
P23DISPERSION IKENCH A
n I STORM DRAIN CLEANOUT
�2 WIDE X 50' LONG
rR TYPE 2-48* DS - DOWNSPOUTS
GRAVEL FILLED TRENCH 0
W/ LID
139' FLOW PATH KIM 426.9b H_� SIDE SEWER PIPE
WNA
IE 424.47 14: E) IN a _�,
A>
z
4 .6 W DO
423.62 N I N SEWER CLEANOUT
rNV LP U lv�
-0 0.7% 423.62 S DO SIDE SEWER CONNECTION
0 SANITARY SEWER MANHOLE
73 LF 8"
HOPE 0 0. %
BOLLARD
52 LF S" FIRE HYDRANT
HDFE 0 onv
WATER F171NGS
V W WATER SERVICE LINES
34 LF 6" WATER METER
HOED V V.Wl
NOTES: -MIN
%B TY 2-48, WATER SERVICE LINES
W/ SOLID LOCKING LID
LJ -
RIM 429.89 2 Li El FIRE SERVICE LINE
1 . ALL ON -SITE CB TYPE 1 a� _Q�
STRUCTURES SHALL HAVE GRATES IF 425.50 (6" SEE) IN p2�7
_IE 423.11 (8" N, IN 4 1 . E 7 430811 Lj @ 05% m FIRE SERVICE VAULT
PER WSDOT STD PLAN B-30.50-03 E 423.1 1 �8 F�G Z9 6'61 423.68 FG 4 IUD
UNLESS OTHERWISE SPECIFIED ON I X 429 2 FIRE SERVICE CONNECTION
C3 IL P/FG 428
PLANS. 9 LF 6" HOPE 0 -
0 0.5% MIN 4NA
L
IL �Zo, lz�
2. ON -SITE CB TYPE 1 STRUCTURES
20 L 6"
WITH ADA COMPLIANT GRATES SHALL LOP 0�57
CONNECT TO FOOTING DRAIN 7.
BE PER WSDOT PLAN B-30.15-00 MIN Li 0 .... JP 430.81 8 LF 6 PVC 0 0.5% MIN
�FG 429 70
OR APPROVED EQUAL. 4 1 0 . 1 4 7
(K)ROOF DOWNSPOUT (TYP) : �A .. . .. . .. . 428.30
923 13 LF 6 HOPE @ 0.5% MIN 429.75 CONNECT TO FOOTING DRAIN
\ 428,79
_T MIN
00 2 LF 6" HOPE 0 0.5%
I j 428,15
CLEANOUT (TYP) HDPE @ 0.5% 37 LF 6" HOPE .5%
3. ON -SITE CB TYPE 1 STRUCTURES 103 FOOTING DRAIN 59 LF 6" 484 LF 8" HOPE I
WITH SOLID LOCKING LIDS SHALL BE I /a I.b : 40&4j
MIN 4 1 211 SD#1
PER WSDOT PLAN B-30.20-04 OR �IE 426.28
0 RKIM*428.84
IE 423.15 (8") OUT
EF 0.0
APPROVED EQUAL. - - -
4MM
8 LF 8" PVC
MATCHILINE - SEE SHEET C2.1 UMFUA .0 0 21 �6% I
g B TYPE 1 4 SD"9 CB�Wl
W� MADA gC
W
W1 ADA COMPLIANT GRATE
RIM 421
RIM 429.40 4 iW 431.21 r
IE 426.73 (15" E) IN TP 429 80 M 42,8130
IE 426.73 (15" W) OUT .43A,?6 IE 424.63 �8:: BE) IN (21
3i'm IE 424.63 8 N) OUT ��7 4ZFOOTING
7 7 429. 51 DRAIN
44 LF 6" HDPE
0,5% MIN (TYP)
MATCHILINE - SEE SHEET 02.3
�*\ �Jlcv,
19
AS NOTED mD im/1"I CITY OF
eate, PERMIT SUBM17AL 8/27/21
p. 206.725.1211 PERMIT RESUBM17AL 12/20/21 RENTON
f. 2G6.973,5344
SU31t2 F mt Ave
e 201
mmm S I . WA 98101 PERMIT RESUBM17AL 3/4/22 ATV� Planning/Building/Public Works Dept.
engineering pI1cwww.IpdengIneerIng.oDm qe410MA L 0/ *) WNOTOWINDH
NO. REVISION BY DATE APPR S� �RDI�y (i
Know what's below.
Call before you dig.
R-419227 ju Dial 811
IN COMPLIANCE WITH CITY OF RENTON STANDARDS
1 SURFACE WATER UTILITY DEVELOPMENT ENGINEERING
-IFamh LITY msippo 04/13/2022
22
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NEW ELEMENTARY SCHOOL #16
1075 DUVALL AVE NE
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RENTON, WA 9M9
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DRAINAGE PLAN