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SEE.B1HEET RD-02
INSTALL 20' CHAINLINK
GATE. SEE DETAIL,
SHEET DT-02.
sum SIMON
A PORTION OF TIME S.W. 1 /4 OF SECTION 33, TOWNSHIP 23 NORTH, RANGE 5 EAST, W.M.
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• �i A
---C.B. g28, TYPE 2-60"000NTOL STRUCTURE
I SEE DETAIL ON SHEET DT-03
CHEWINGS FESCUE (Festuca rubra commutata) 40% 97 80
38+0 39+00 \ 1. I I I 1 WHITE DUTCH CLOVER (Triiitium repens) 10% 96 90
37+00-
11 � ROAD A / • -
EROSION CONTROL SEED MIX FOR POND SLOPES
PORTIONS PERCENT PERCENT
NAME BY WEIGHT PURITY GERMINATION
REDTOP (Agrostis albs) 10% 92 90
ANNUAL RYE (Lotium ,miM fiorum I 40)' 98 90
�- -
• (SEE SHEET RD-02) ITI
-12 L.F., 24'0 S.D. • -
• I I I STA. 203+67.12, 16.49' LT.
---------------
1---
C.B. �1& TYPE "' ` 60"� `::::::.:. / --_._ - - -. ---- •____ -1- 502 --� � - � = o _..-- -- �, \
/ •
STA. 6+74.97, 23.21' RT.
PROVIDE FROP-T PER KCRS DWG
# 2-025 W/ SOLID LOCKING LID ;. ::: - - -
OVERFLOW ELEV. = 501.75 • . • ,•,•,•,•, -°�' - 49
I
33 L.F., 24"0 S.D. .....2:1..
j - I.E.=494.25, `18'� I I I I HYDROSEED SIDE III I
`�. • SLOPES PER MIX,
-----------------------
`'�A • I I I I THIS SHEET (TYP.)
CELL #1LO
` • I
C, WETPOND I N • i j
1 .........:.:. ' 1 I �, I CELL #2 • I I
4l ` POND BOTTOM\ i 1
•. •• ••�.� ®••• ••• •• •• . t. •••••.•••DETENTION•••••••••••.••••.•• 4••s• •
..� .. • ... • .... E L. -- 491.25, u
4 9 ......... , \ w POND BOTTOM
• ` J I
j
�L. �•�2.50 I.E.=495.25, 18" I
INSTALL 7.5'X'I2'..:...::::::::::::::::::...:::;:::::::::::::::: I I
RIP -RAP PAD,
2.5 .uj
I � I •
DEEP ' ;•.• .;•;• . :
I I u') 12 L.F., 18 o S.D. I
4 I • I I I
PROPOSED CHAIN LINK .� 4 I j
FENCE. SEE DETAIL, ( �� 496
SHEET DT--03. 498 ^ •---- \' -_.. - ._.._ �. ---- --_- ----- --- ----` - �. �f
- ±zm=
- _
�.� - - -- 0 2::
•ems ---._
.w. _
-� ate. 'U 41 L.F., 18"0 S.D.—
i 6' BERM ;�Tl'P.)
2:1 POND SIDE SLOPE, TYP.
LPER GEOTECHNICAL REPORT
\ A B
NOTE: THE DETENTION POND AND; WATER ')UA.J'Y
FACILITY SHALL BE VEGETATEED PER THE
REQUIREMENTS SET FORT; ' IN THE 2005
S.W.D.M. PG. 5-22 AND P((. 6-76,
"PLANTING REQUIREMENTS."
DETENTION POND
GALE:1-=20-
/%, k roA,
r
STORAGE VOLUMES
(CUBIC FEET}
REQUIRED
PROVIDED
AS CONSTRUCTED
DETENTION
95,963 CF
97,111 CF
WATER QUALITY
26,763 CF
33,043 CF
R/W
R/W FEN E
FENCE
EMERGENCY
EL
OVERFLOW
ATION 502.42
SPILL
AY
EXISTING
GROUND
100-YR.,
24-HR.
S. EL. - �01.75
15' ACCESS
ROAD
I
_
15
®S=6.67-
,
7.
2
-
--
.........
. 3
BERM
3
TOP OF
'1!...........
_
Q. STORAG
.:..............................
EL. = 496
18"0 S.
25
......_ . 4
1I
MENT STORA
-
41 (F.,
S-1.88%
18" 0-
S. I)__
1
......
E LJ
-
C.B.
29 TYPE 2
5
..............................
BOTTOM 0
POND ELI=
492.50
..
1
.... .
1' SEDI
.............. • .
BOTTOM OF
ENT STORAG
...............
CEL
--
#2
-
1.5' SED
-
POND EL. =
491.25
_
-
_�-
#1
---
-
-
----
I
T.G. :T
I.CELL
I.E. -
28 TYPE 2,60"0
4 03.36 121
495.48, 1
0
-
I
CONT
PER
I.E.
OL STRUCTU
ETAIL SHEET
4 61.25, 18'
E
DT-03
0
- -
30+60
31 +00
,51 +4U
J 1 -t- 0 U
JLT Lv
SECTION C-C
SCALE: 1"= 20' HORIZ.
1 = 5' VERT.
%JZ_ T VlJ
vv i vv
12' ACCESS TO CONTROL STRUCTURE
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n II\ Of
o/ w
I W �I
=
I I \NLLJ liI
w C
1 V) i 510
I• .. ... • it .. •
►I O
II
INSTALL 20 CHAINLINK
GATE. SEE DETAIL,
SHEET DT-03.
I I 500
1+
INSTALL '15' WIDE
I IOVERFLOW SPILLWAY
PER DETAIL ON
I SHEET DT-04.
I� I C.B. #29
j SEE SHEET RD-05
i I
I GRADE TO DRAIN
10 INTO EXISTING DITCH 4�®
o
IIII
\ MATCH EXISTING DITCH
ELEVATION = 499.11
f
L- MATCH EXISTING DITCH
ELEVATION = 500.87
MATCH EXISTING DITCH
51,0 ELEVATION = 500.89
N•
490
HORIZONTAL DATUM: WASHINGTON STATE PLANE
COORDINATES, NORTH ZONE, NAD '83/'91, BASED ON
TIES TO KING COUNTY PUBLISHED CONTROL.
VERTICAL DATUM: NAVD '88, BENCH MARK - 4"X4"
CONCRETE MONUMENT WITH LEAD AND TACK IN CASE
LOCATED AT THE INTERSECTION OF SE 192ND Sf AND
116 AVE SE. ELEVATION = 514.98 FEET.
FBI
20 10 0 20 40
SCALE: 1 " =20'
CONTOUR INTERVAL = 2'
R/W
I
i
PIDEWALK
�
FENCE
-
----
'
-
I
-
-FENCE --
R/W
--
ROA
A
EMERGENCY
OVERFLOW SPILLWAY
ELEVATION 502.42
----
EXISTING
GROU
D
-
- -- --
------
--------
12 1-F.,
24"0 .D.
V 1
0-YR., 24-141R.
W.S. EL.
= 501.75
----
-
ill
2
2
2
CAP END.
S
S 3.
i
1. E. = 5
0.00, 12"0
9
S
p.................F...............
TOP OF W.Q
STORAGE E
.=496.25
.........
2i
"0 S.D.
+
al.
EDIMENT ST
RAGE
BOTTOM
F POND EL.rt491.25
2-60"0 PROVIDE
--
_
C.B. 1
TYPE 2-48"01 1C.B..
# 1 A TYPE
------_;
-- _
T.G. _ 5 4.78
FROP-T
PER KCRS DWG 2-075
I.E. = 4 6.26, 12 �
r+�
I SOLID LOCKING LID
i
- -
I.E. = 4 5.26, 24'0
T.G.
= 504.60 j
�= 494.99, 1 0
ELL #1
I
510
500
"i
10+60
1 1 +00
1 1 +40
Q E CT I O -A
SCALE: 1"= 20' HORIZ.
1"= 5 VERT.
11 +80
FENCE
R/W
IDEWALK
EMERGENCY
--OVERFLOW-
PILLWAY------------------
FENCE
- -
--
-
I- -
------
-
RO �D
A
ELEVATION
02.42
I
EXISTING GR
UND
100-YR.,
4-HR. W.S.
EL. = 501.75
_
I
-
-
2
--
2
-
-1
1�
yTOP OF W
_
Q. STORAGE
EL. = 496.2
................
OTTOM Oq
POND EL.
r 492.50
i
CELL #
20+60
21 +00
21 +40
SECTION -
SCALE: 1'- 20' HORIZ.
in = 5' VERT.
DING COUNTY D.D.E.S.
Re iew gin er Completion
0
Se a Completion D
b )f
ES S P. E. Ap ro I Do
D MENT ENGINEER
510
500
490
510
500
490
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