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2S' 387' 20' `/¢' ¢? ¢Z 68.06' 38' 30' STORMWATER DRAINAGE PLAN NOTES
� 0
1. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH CITY OF RENTON
�q5 39�' �00 /v 8,90 0.3' l840S402 SPECIFICATIONS.
� � � BENCH MARK377, ELEV=401.08. ��CHISELED SQUARE; TOP EAST END OF
�96 I 91 398 399- 0 0 2 . DATUM S,
3 _---___- A.C. CURB \ 400 A01 �} SOUTHERNMOST GAS PUMP ISLAND OF STANDARD SERVICE STATION, N.W. COR.,
�I_fk 't0 INTX. N.E. 4th & UNION AVE. N.E. PER CITY OF RENTON.
I i .a 1 �� 9 3. ALL SEDIMENTATION/EROSION FACILITIES MUST BE IN OPERATION
/ kl 398.9 x s q 22' PRIOR TO CLEARING AND BUILDING CONSTRUCTION, AND THEY MUST
�.
BE SATISFACTORILY MAINTAINED UNTIL CONSTRUCTION IS COMPLETED
399.E AND THE POTENTIAL FOR ONSITE EROSION HAS PASSED.
� 4. ALL PIPE SHALL BE LAID ON A PROPERLY PREPARED FOUNDATION
P,4RiY/NG I oo z hC�ORDING TO WASHIi�GTON STATE SPEC. 7-02.3(] '
BL DG. i 9:r,20' �� ) THIS SHALL
INC
MO.. 3 I i _3� 399.0 LUDE NECESSARY LEVELING OF THE TRENCH BOTTOM OR THE TOP OF
s`pp L3LOG. I THE FOUNDATION MATERIAL AS WELL AS PLACEMENT AND COMPACTION
0 A/0, 1 O OF REQUIRED BEDDING MATERIAL TO UNIFORM GRADE SO THAT THE
� 1sr. FL. EL.= 399.5 rnl I
�Ot^ P.0
ENTIRE LENGTH OF THE PIPE WILL BE SUPPORTED ON A UNIFORMLY
39S 3qS �0 0 �o �V'' h jDENSE UNYIELDING BASE. IF THE NATIVE MATERIAL IN THE BOTTOM
11
`0� OF THE TRENCH MEETS THE REQUIREMENTS FOR "GRAVEL BACKFILL FOR
44 q. PIPE BEDDING" THE FIRST LIFT OF PIPE BEDDING MAY BE OMITTED
",SSG 398.58 �'rG3 9 15� PROVIDED THE MATERIAL IN THE BOTTOM OF THE TRENCH IS LOOSENED,
O - q �9 e o REGRADED AND COMPACTED TO FORM A DENSE UNYIELDING
�/ � 0 )` LDING BASE.
�p o 3 398.82 C� ? 9 k ill T t
/ � \ q� �0 Q 5. ALL BUILDING DOWNSPOUTS AND FOOTING DRAINS SHALL BE CONNECTED
- +3 / v � O TO THE STORM DRAINAGE SYSTEM.
3
q11 k �99 39gs8 / o F o 6. A COPY OF APPROVED PLANS SHALL BE ON SITE DURING CONSTRUCTION.
� � 3
�
O G P 9�' 397. B x -r o Q1 0 m ��' G, O
7. 6"OF PEA GRAVEL REQUIRED OVER AND UNDER ALL PVC. PIPE.
k 398 \,� +�qg. % 397.E ��� �V OQP 4'CDNG. EwacK v Q z
4"P.v.C. (T� •
J v
39 ROOF DRAIN ryk 00 n 1� 397.85 °^` /� \\ ;r �` o o O
\\ '� -40
k 97. X 398. ¢ 900.3 X
\ Q•`xO\o \ � I q I
z.o e 3 z.o
/l/Q �" .397.43'' = \ �� w I PgRK G J V
qG h' 6 `L \ A. -A47 RT. I,? 9 x,20'( YP v
393 NU. g°� �9 -- - sT o \� ; /N T "` - rroc I I ° v P-C
�-p I------1 6 I--- GR. E,L.x396.36 I Q ({ o
i E ma's' 394 ---I- - --- �l 1 L E•GEND
ti n,- -j
3 / �' q�. �9 6� ky � l
A 396 I I I- -- --- I 396 �'� 3 Q `�G,/. E. 6 " N = 3 94.48 's 3� q� hk \. ,
\ o � - I I I I A / �� �` o \�, ^/ �9� \ q0 q°t 3 O �00 h PE.4COL A T/O/V HOL ES
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39p oo �'��` - I I 1 39G 3q/ o\ \-' 3q$� moo\ Q o EXISTING CONTOURS �1400
�� " I 395 I 3 y9 I �` -f 1.00 N 89° 03' I8" W (,q V W 0 .DESIGN CONTOURS 400
392
4,?' - 24 =FrF CI'1%'
D
394 3 X
X �394.8 -- -
- - -
ii'q
- A.C. CURB
° -
0.0 /ogi:p
�r¢ # 3
/e 2.38' 33
105' - Z " P.' V.. C.
3�g �395
`39s� -,��
�97 398?7
GR/EL. 399. r
54" I N 89.
03, /8�k1� " 405.80
�{
*- LFT. I?OCKERY - TOP EL.=-396
/. E. = 397. S6
GR. EL.= 39i. 0
�
W1O/L SE,-ARATOrP RATS
_ C. B.�`,2-TrPE�- 48
7 -
C.L3#"1- TYPEII- 54"
.
I.E.I2" E.= 388.50
�sT,
GRATE EL.=39400
GR. EL. = 3 94. 5 t
W D/` SEPARATOR E GRATE
I.E.24" N. = 387.50
E I2"W.=391.00
1k- 24'E. = 389.67
GR. EL.= 396.36 W �
/. E. 4" W. = 39/. G/
/.E. 8"N= 391..00
/. E I,2" W = 3 90.67
SB'
3,51
7'
� 20'
/2'
12'
20'
7'
i
1
.38'
W
20,
4, 1
-214
CONC. SID FWAL K
I'��
REQUIRED DEPENDI/VG ON
- SOIL COND 1 TIONS
t
64, SECTION B--B - DRIVEWAY F PARKIN
z4' 20' NO SCALE
f'
12'
- 2`G'OMPT. DEPTH
CLASS B ASPHALTIC
CONCRE TE" 6 " PAVING (TYl!)
2.0 / ¢"GONG.
'
I/.r"MIN. COMPT. DEPTH CRUSHED
SURFACING TOP COURSE
- 2 ,�j 'MIN. COMP r. DEP7 H CRUSHED
SURFACING BASE COURSE
GRAVEL BASE CLASS B MAY BE
REQU/RED DEPE-1VL7/1V6 ON SOIL COND/ TONS
5ECT/ON A -A - PR/VEWAY PARKING SPACES
NO SCA L E
G"IrAV/
z.o W
:•.. 4"CONC.
SIDEWALK
_ +
l -
-
N
°�
m
rn
--
mnq
►�+
00 '�
rn
3' -iZ "CMP
4?' ^ ,?4"PEKE CN/P
0007,
_ /.E. = 38�.G7
-
STA. /047 I2' LFT.
CB. 1 TYPEII-54"
W/OIL SEPARATOR E` GRATE
GR. EL. = 396.36
/. E. I2 " W. = 3 90. 67
/. E. S" /V = 3 94 00
0\�
� -
N rn
`- EXIST/N6
GROUND
r-
-
STA. /+47 I2'RT.
/NL Er #'1 TYPE I
GR EL=39G.36.
/E" 8"S = 394.36
.E. 6"N=.394.48
O�
i
O Ih
3 43
-
G
DRIVEWAY -
REV DATE
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DEvE-OPMENT CONSUL TA rS CLIENTCLIENTL.G L A M B R A S S LTD
\ LAND SURVEYORS LAM R A S S II -.-- 4 -
tog sDUTN 3rd AVENUE STORM DRAINAGE & GRADING PLAN
st VT, WASHINGTON 98031
(206) 854-2043 °R` "�`�Y SFC �"'�E I"= 20� HORIZ., 1��=5� VERT SHEET O
APPROVED DATE AUG. 9, 1985 �` 84029 of 4
PLATE 1 PLAN PROFILE D. P. R. & R. E. STANDARD