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KRISTAR PERK FILTER. SEE--/
-DETAIL ON SHEET PN -05
10 LF, 18 "0
O S =2.50%
15' POND /
ACCESS ROAD
PER PLAN
Aj-
EXISTING GROUND /
- PROPOSED GRADE
EMERGENCY OVERFLOW
ELEV= 445.50
DESIGN W.S. PRIMARY
ELEV= 445.00 OVERFLOW
/ ELEV= 445.00
CB 11 , TYPE 2 -48 "0
-i
W /SOLID LOCKING LID
�'• 28 LF, 18 "0 SD 49 LF, 18 "� SD TG= 452.92
� O S= 23.8270 "0 N
POND OUTLET IE= 448.75 8 "O SE
W/TRASH RACK I E_448.92 6 00 NE
ELEV= 436.25 POND BOTTOM
IE 447.92 18 "� W
- - - - --
------------------------------- -- -- - - -- - ELEV= 435.75 PIPE ANCHOR SEE DETAIL
ON THIS SHEET
0.5' SEDIMENT
STORAGE POND INLET WITH TRASH RACK
34D & GABION MATTRESS POOL.
SEE DETAIL THIS SHEET.
B #16, TYPE 2 -60 "0 ELEV= 436.25
TG= 445.30 (SECONDARY OVERFLOW)
FROP= 445.00 (PRIMARY OVERFLOW)
IE= 436.11 18 " 0 N
IE= 436.25 18 "0 S
11+00 12 +00
POND CROSS SECTION A -A
SCALE: 1 � -20' ►+oRiz.
1 " =s' vErrr.
POND BERM
ELEV= 447.00
POND FENCE
CONCRETE WALL
ELEVATIONS PER
SHEET PN -05 EMERGENCY OVERFLOW PROPOSED GRADE x 1
(WALL DESIGN PER ELEV= 445.50
SEPARATE PERMIT) POND FENCE
DESIGN W.S. PRIMARY
ELEV= 445.00 OVERFLOw
ELEV= 445.00
--------- � ------------ - - - - -- --------------------------------------
EXISTING GROUND
0.5' SEDIMENT
STORAGE
POND BOTTOM
ELEV= 435.75 ----------- - - - - -- --------------------------- - - - - --
1
O S =6.19%
GCB #22, TYPE 2 -48 "0
W /SOLID LOCKING LID
TG = 447.00
IE= 435.18 18 "0 NE
IE= 435.18 18 "0 E
CB #17, TYPE 2 -48"O
OVERFLOW STRUCTURE W /DEBRI
(EMERGENCY OVERFLOW)
TG = 445.50
IE= 436.17 18 "0 SW
21+00
POND CROSS SECTION B -B
SCALE: 1 » =20' HoR�z.
1"=5' VERT.
• CONSULTING ENGINEERS L L C
33400 8th Avenue South
10 10 1* I
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Federal Way, WA 98003
6113 Ca12MoftV Days Bekw You Dp www.esmcivil.com 'ES ""Y �.� � 299=7--99M � �--�
811 Civil Engineering Land Surveying Land Planning ,, 75
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GABION MATTRESS
EXISTING GROUND
ORDINARY HIGH (� PROPERTY LINE
WATER LINE �
BURY AS NEEDED
' TO MAINTAIN 19
MINIMUM SLOPE
IE =401.009 18 "0
W /GABION MATTRESS
POOL. SEE DETAIL ON
THIS SHEET
PROPOSED GRADE
L KRISTAR PERK FILTER. SEE
DETAIL ON SHEET PN -05
IE= 435.25, 1800
7 LF, 18 "4 SD
O S =1.07%
B 122, TYPE 2 -48 "0
W SOLID LOCKING LID
TG =447.00
IE= 435.18 18 "0 NE
170 LF, 18" HDPE FLEXIBLE PIPE IE= 435.18 18 "f E
TO BE LAID ON EXISTING GROUND
O A MINIMUM SLOPE OF 1 % WITH
PIPE ANCHORS SPACED EVERY 50'.
MAXIMUM DEFLECTION IS 60' RADIUS.
(SEE DETAIL ON THIS SHEET FOR
PIPE ANCHOR DETAIL)
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GABION BASKET
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DILATION *PIPE CALCULATION
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GABION MATTRESS = L(AT) _ (170')(50'F)(67x10J = 0.6' < 5' OK
SLEEVE AL = PIPE DILATION (FT
L = LENGTH OF PIPE FT)
/ GABION BASKET AT = TEMPEATURE CHANGE
S = EXPANSSION COEFFICIENT
6700-4 IN /IN 'F
ORDINARY SECTION A -A (WWW.ENGINEERINGTOOLBOX.COM)
HIGH WATER
2' EXISTING GROUND 2' EXISTING GROUND
1 3 3 3 1 3 3 3
GABION BASKET
GABION BASKET
3
-
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7 GAB I O N MATTR ES OVA 6WI1 MI-E 1
70 GABION MATTRESS
18" HDPE FA���" �M��� 24" SLEEVE
VN�Q AI.I_ Q.
SECTION B_ B 24" SLEEVE SECTION C-C
GABION MATTRESS POOL
SCALE: 1 " =5'
GALV. STEEL BRACKET, LOOSELY FITTED
CONCRETE BLOCK KEYED 12" H.D.P.E. PIPE COLLAR
INTO UNDISTURBED SOIL
4W AS SHOWN.
6" MIN.
1" THREADED GALV. STUD
425
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1 EARLY CLEARM & 0111100MrG MM
2 PLAN C MMIK #1
3 PLAN CWMM
4 YYLAR SLMMTTAL
NO. REVISION
GALV. THREADED ROD COUPLING
,., ANCHOR SHALL BE 1" GALV. SCH. 80 STEEL
2' MIN. PIPE DRIVEN TO REFUSAL (< 1 INCH
PENETRATION OVER 1 MINUTE SUSTAINED
DRIVING WITH A 90 LB. JACK HAMMER). MIN.
5' PENETRATION. AT CONTRACTOR'S OPTION,
�. CAN INSTALL CHANCE GALV. TENSION
SCREW ANCHOR, SS5 OR RR8. WITH
2 x PIPE DIA EXTENSIONS AS REQ'D OR APPROVED EQUAL.
MIN.
SECTION A-A PIPE ANCHOR
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3' MAN CONCRETE BLOCK
A CHECKED FOR COMPLIANCE TO CITY STANDARDS
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Esm 14 m POND A PLAN, CROSS SECTIONS & DETAILS Fes°°" DRAMM: "I RENTON �:
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ONE INC" DATUM olaw.+c No-
ESM 14 ;� PN-02
AT FULL SCALE Planning /Building /Public Works Dept.
IF NOT ONE WC"
BY DATE A P P R ��� � ACCORD1NGLY UTILITY PERMIT # 14004398 �� Z1 °���
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