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PERMANENT SURFACE WATER
i I CONTROL POND SIGN"'
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12' GRAVEL ACCESS
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I r OAD 0 15X MAX.
BIDS, (IiYP.) i -�� = EE DET�IL THISSHEET) ..4.. I
(SEE ETAIL THIS
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POND BOTTOM
_ A C1 /MA
0 5 10 20
SCALE 1" = 20'
EMERGENCY OVERFLOW
W.S. EL.=462.70 TOP OF BERM
EL. =463.00
RIP RAP SHALL BE IN ACCORDANCE RDANCE WITH SECTION
9--13.1 OF THE WSDOT/APWA STANDARD
SPECIFICATIONS. RIP RAP TO BE REASONABLY WELL
GRADED WITH ROCK GRADATIONS AS FOLLOWS:
MAXIMUM STONE SIZE 8"
MEDIUM STONE SIZE 6"
POND OVERFLOW DETAIL MINIMUM STONE slzE z"
N.T.S.
1" CHAMBER _ 4 SIDES
RECYCLED PLASTICIOR TIMBER
: 8"x8"x4'--0" 8"x8"x5'-6t
1/8" MIN. THICKNESS GALV. 1 1/2" GALVANIZED EYE BOLT
STEEL OR ALUMINUM, w ASHER & NUT.
INTERIOR SIDE DIMENSIONS RECESS NUT & PEEN 1RECYCLED PLASTIC;
1/4" GREATER THAN POST BOLT THREADS OR TIMBER'
DIMENSIONS. 500 MINIMUM TEST GALVANIZED
CHAIN ANCHORED IN CONRETE
N 4N
04
I ANCHOR w/6 x 3/8 0
w- ics STEEL ROD
f .: •• = N
a
30 M
❑ CJ ❑
DRAIN PIPE
20_010 VARIES 7
Q
1" CHAMFER 4 SIDES
REMOVABLE BOLLARD FIXED BOLLARD FIXED BOLLARD
SECTION A —A
PLM
BOLLARD DETAIL
N.T.S.
�`,6,r' f jl��.n...._....—..........._._..._...,wr_.s...r+....•w..........,...u..........,,,, ;.`; ��,�( � t...rs»v.e.n,,� ry—_ _" .-....w.M+_
468
EXIST. GROUND
6 CHAINLINK FENCE
h ' I --SEE DETAIL SHT. 14 OF 19
off. � - � _ 466
TOP OF WALL= 463, Q0
464 ��, 464
f. r f` ` . �•1 ..
31
i _ell `% ;. I I I MIN* c _462
— !
PROPOSED- GRADE
le
I �! 6 DETENTION STORAGE
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fs
f
f
s
f
f
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__. _ 458 s 458
I i '' l ,% !• P;/ ,f 't i , ,,,.r. t`-- .,,,_ .5'. BENCH,'
(OPTIONAL)
{/r p t t ( •.-"".�. - /5 BERM
456
ELEV.=455.00
t
'.. • 15" OUTLET
454 /� \ , .. _ .. ! ._.._._ _;. �, ___ _...._ ..,_ 454
/ f t LE.�45"�#:�98(453.87)
7�77 �,�\ \ .►
_ W IP-'-RAP PAD,�f' ! ! !�i�/i 452
/R 452 , � \, � \ .... _... ; ... _. _.. __.. _ _ _
(SEE RIP -RAP NOTE),
;` }/` ,�\ // POND
(TYP.) 8 SEDIMENT STORAGE-
(TYP-) ,*
45Q �/i _ 450
!I ,� 12w OUTLET 10 SEDIMENT STORAGE
- i
I.E.=45#,4)A{454.448
WHIP -RAP P ,
(SEE R1P--R NOTE),
f
. . 446
(Ty'.)
444
44
t
y
f j
442.._...._ 442
f �v� o ._ 50 100 0=A/P 50 100
_
2si
POND SECTION A -A
HORIZ. SCALE 1 "=40'
"VFRT_ SC;AI F 1 "=4'
f •� AC-T,1TR
SENSITIVE AREA
»TRACT
•............................ j ltt 0
10 YR, FLQOD :PLAIN �a1.
POND DETAIL
NOTES:
1. RECYCLED PLASTIC BOLLARD SHALL BE WHITE. TIMBER SHALL BE FIR, DENSE
CONSTRUCTION GRADE, AND SHALL BE PRESSURE TREATED WITH A WATERBORNE
PRESERVATIVE (ACA, CCA, ACZA) IN ACCORDANCE WITH THE REQUIREMENTS OF
SEC. 9-09.3 (4) OF THE WSDOT/APWA STANDARD SPECIFICATIONS. TOP 5" OF
TIMBER SHALL BE PAINTED WHITE.
2. STEEL TUBE SHALL CONFORM TO ASTM A53 GRADE A.
3. NUTS, BOLTS, & WASHERS SHALL CONFORM TO ASTM A307.
4. ALL STEEL PARTS SHALL BE GALVANIZED.
5. CONCRETE SHALL BE CLASS 3000.
6, SEE SEC. 5.08.
12'
4% 104L TYP.
6" CRUSHED SURFACING
} BASE COURSE
FIRM SUBGRADE
GRAVEL POND ACCESS ROAD
N.T.S.
R-322213
NOTE:
PRIOR TO THE RECORDING OF LIBERTY GROVE, THE PLAT OF
LIBERTY GROVE CONTIGUOUS SHALL BE RECORDED (AS DRAINAGE
FACILITIES FOR LIBERTY GROVE WILL BE CONSTRUCTED OFF -SITE
IN THE PLAT OF LIBERTY GROVE CONTIGUOUS).
7. MIN. 50" SPACING ON TRAILS LESS THAN 10' WIDE. TR AS —BUILT SET
10' OR WIDER.
E:RGROUND PIPE LOCATION BASED ON SURFACE FEATURES.
TUAL LOCATION MAY VARY.
I CONFIRM THAT THE LOCATIONS, ELEVATIONS, DEPTHS, AND AS --BUILT
COMMENTS REFLECTING MATERIALS ACTUALLLY USED DURING
ool o CON`:►TRUCTION, ACCURATELY REFLECTS EXISTING FIELD CONDITIONS AS
�IpNALC'1� DETERMI DACY _UEJbRaUNDER MY DIRECT SUPERVISION ON THIS
DATE:
BURIED UTILITIES IN AREA
CALL BEFORE YOU DIG
1--800-424-5555
EXISTING UTILITIES S14OWN ARE FROM
THE BEST AVAILABLE INFORMATION AND
NO GUARANTEE IS MADE AS TO THE
EXACT SIZE, TYPE, LOCATION Oft DEPTH.
M, hr-m
REMOVEABLE
WATERTIGHT
COUPLING
PLATE WITH
ORIFICE-`," ELBOW DETAIL
(SEE
ELEVATION N.T.S.
FnR SI7Fl
TICAL
TE
ING
INFORMATION PLATE:
A BRASS OR STAINLESS STEEL PLATE SHALL BE PERMANENTLY
ATTACHED INSIDE EACH CONTROL STRUCTURE. ENGRAVED
INFORMATION ON THE PLATE SHALL INCLUDE THE FOLLOWING:
-NAME AND FILE NUMBER OF PROJECT
-NAME AND COMPANY OF (1) DEVELOPER, (2) ENGINEER AND (3)
CONTRACTOR
-DATE CONSTRUCTED
-DATE OF MANUAL USED FOR DESIGN
-OUTFLOW PERFORMANCE CRITERIA
-RELEASE MECHANISM SIZE, TYPE AND INVERT ELEVATION
-UST OF STAGE, DISCHARGE AND VOLUME AT ONE -FOOT
INCREMENTS
--ELEVATION OF OVERFLOW
-RECOMMENDED FREQUENCY OF MAINTENANCE.
NOTE: CONTACT DMP, INC. AT (253)333--2200 FOR SPECIFICS.
464
PROPOSED
GRADE
462
460 - ,
�t
1 `
458
456
454
452
450
448
446
444
442
6' CHAINLINK FENCE
--SEE DETAIL SHT. 14 OF 19
TOP OF WALL=463.00,
(TYP.)
EXIST. GROUND
W S ELEV _v ---- - ---
_-----------I-
6"
DETENTION CONC.
51BENWAGE RETAINING WALL
BY OTHERS,
f _ (OPTIONAL) 5' BENCH
(OPTIONAL) (TYP.)
\ \ — -- — _ _
PROPOSED /
�i GRADE
TT2.5
0
! s .=4�
0 50 _ _ 100 _ 150 _ _.... . _200
POND SECTION B-B
HORIZ. SCALE 1 "=40'
VERT. SCALE 1"=4'
ROUND SELF-LOCKING SOLID
COVER MARKED "DRAIN'
EL. = 4t A-54
(484.30)
REACH ROD 011 IN. --PIPE SUPPORT(S): 3"x.090
(TYP.) 4-,.�M GAUGE BOLTED OR IMBEDDED 2"
5 VERT GRATE 16MAX. IN WALL AT MAX. 3' SPACING.
SPACE BARS 0 4"
° •
O.C.2-6
" MIN. 1 SUPPORT
� �•
MIN.
OVERFLOW EL. = 462.50 6"MIN.
EL.= 4$2- MAX W.S. EL - 00
(461#30)
STAND. GALV. STEEL
LADDER/STEPS (TYP.)
10" ELBOW W/ 7 3/4" 0
°►' >'
ORIFICE EL=4fi@:4{460.60)
FROP- T 3.65'
SHEAR
. GATE 8" ELBOW W/ 4 3/8" 0
18"' CMP ORIFICE = 469.50)
MID) RISER ,
' �'' fir• 7
r
34-.-2LF 18" SD
j4)4101.3}LF 18"SD `
® ++. &6- qOY&
OUT TO CB No. 2
CMP TO SD ADAPTER
I.E. 456.00 ; . 2' MIN. -________ in
•; • ° , I.E.=+5 a 45&90)
' 1' SECTION OF PiPE
' >» ATTACHED BY GASKETED
• BAND TO ALLOW REMOVAL.
2' MIN.
° RESTRICTOR PLATE WITH
3 1 /4"0 ORIFICE.
. •w
• . NOTES:
1. METAL PARTS. CORROSION RESISTANT.
ELEVATION GALVANIZED PIPE PARTS TO HAVE ASPHALT
SCALE: 1"=2' TREATMENT 1.
60" 2. FRAME & LADDER OR STEPS OFFSET SO
A. CLEANOUT GATE IS VISIBLE FROM TOP.
B. CUMB-DOWN SPACE IS CLEAR OF RISER
AND CLEANOUT GATE.
3. IF METAL OUTLET PIPE CONNECTS TO
CEMENT CONCRETE PIPE, OUTLET PIPE TO
HAVE SMOOTH O.D. EQUAL TO CONCRETE
PIPE I.D. LESS 1 /4".
CONTROL STRUCTURE
MH # I --TYPE II-- 60 is
SCALE: AS NOTED
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