HomeMy WebLinkAbout1453.10L0 a /�
If) co
I
to 1. E. 3 81.8 6 (18")
m
\\38 \\385 \\\
EXISTING TOP OF BANK
�38
?, i—
386
OD
I.E.=383.72 (18")
s
I.E.=389.98 (18") �
\ I.E.=390.46(18")
CEDAR RIDGE DETE POND IMF!ROVEMENTS
382
3 83
T—' 384 EXIST. OUTLET CONTROL STRUCTURE
j� RIM ELEV. = 388.13
I.E.=383.00(18")AS DESIGNED BY
385 LANDMARK ENGR. CO.
OVERFLOW ELEV. = 386.00
EXISTING EDGE OF PAVEMENT
01 AK1_ nCTCK1T1nKI Dr)Kln KIn 7 n
bUALt; I = CV
DETENTION POND NO. 1
Elev. Surface Area Volume /
367.5 0
1460 CF
368.0 5840 SF
6740 CF
369.0 7640 SF /
4020 CF
369.5 8440 SF —
Total Vol. Provided = 12,220 CF
Volume Req. = 12,650 CF
DETENTION POND NO. 2A
Elev. Surface Area Volume
384.0 2960 SF
8400 CIF
386.0 5440 SF
Total Vol. Provided = 8400 CF
Volume Req. = 8359 CF
i
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0
w
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rn
00
I �
\ 371
-----��-----370 --— ��
_ _
// �---- 369 —__—__369—
/ / ----- ---368-----� I I I
EXISTING TOP OF BANK
I\�
w
\ \ / - I I EXIST. OUTLET CONTROL STRUCTURE
77 RIM. ELEV.=371.80
I.E.=367.50 (18") AS DESIGNED BY
I LANDMARK ENGR. CO.
/ I / OVERFLOW ELEV.=369.50
I.E.367.86 (18") 1�
/ I.E.=369.50 (18")
I. E. = 367.00 18"
INST. 40L.t-.-18 CMP 6.25%
_ _368— — I (EMERGENCY OVERFLOW PIPE)
-
EXISTING EDGE OF PAVEMENT
TOP M.H. No. I
1 E7 E - /
V.-371.92 \
TOP M.H No. IA
RIM ELEV.=371.65
x
I.E.=368.00 (18") - I
I
PLAN -DETENTION POND No. I
SCAL E : I = 201
APPROVED BY
CITY OF RENTON, DIRECTOR OF PUBLIC WORKS
CIS
STAMP
NO. I DATE I BY I CKD. JAPPR.1 REVISION
Barghause n DESIGNED H.W.G.
DRAWN C.M.
ConsultingEngineers nc. CHECKED
Land Planning, Survey & Engineering Specialists APPROVED
6625 So. 190th St. Suite 102 - Kent, Wash. 98032 - (206) 872 -5522 DATE?k_
For: SCALE:
SEA VAN PROPERTIES, INC. HORZ.
SUITE 115, 321 PARK PLACE I"=20'
KIRKLAND, WA. 98033
(206) 8 28 - 678 0 vERT.
N /A
Title SHEET
B 2
DETENTION ON POND IMPROVEMENTS OF
JOB NO.
CEDAR RIDGE P.U.D. 1 q_Q I