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TIE WALL DRAINS
TOGETHER FOR
Pik
4 DISCHARGE TO
WETLAND A
TRACT C ^�
0 25 50 100 PEDESTRIAN ACCESS
IE=428.10
TRACT 0
SHARED UTILITY/
ACCESS TRACT
�0 13
ASBUILT COMPOSITE UTILITY PLAN
FOR ALLUIMAT TIFFANY PARK
PTN OF THE W1/2 & SE1/4 OF THE SE1/4 AND PTN OF THE NE1/4, OF THE SW1/4 OF SEC. 21,
TWP. 23 N., RGE 5 EAST, W. M. CITY OF RENTON KING COUNTY STATE OF WASHINGTON
14
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15 \
IE=428.30 44 ......
SSMH#23 Z�l�.
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17 �, I
FIRE HYDRANT
-�: SSMH#22 (TYP)
3 a3s BAR EA
- � SjpF PROPOSED STREET TRACT D \ \SU,UNE:::::. \ \ / I IGHT FTYP i nnr: cnerr
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FIRE HYDRANT 1 / �'r,, 3 89 CB# 18
8" SEWER
(TYP) CB# 14
WETLAND BUFFER 1 1
ALONG TRACT LINE.. 90 �*
SEE .MITIGATION
I ...... PLANS FOR DETAILS. G
goo F .........
EX. CB #6
EX.CB #8 87
cAWE ELGQAND E CB# 13 1 I ��
92
TRACT M / �...... o 24".. sD
,RITICAL ARE I
♦ I I� J
CB# 1
0 0
294 �
�16
Oj,
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/ ♦ EX. CB # 3 CB#7 ,
EX. SSMH #3 T A o
& 'j CB#4 DRAI GE.
♦ CB#6 :::... o NDS PING` UTILI S.�.4.. ..
:.
YD.:::
. . LCB# 1} S� YD ®........... ...
UTILITY CROSSING NOTES 13#9 YD ,
1. A MINIMUM OF 1 FOOT VERTICAL SEPARATION
WILL BE PROVIDED BETWEEN STORMWATER PIPE
AND OTHER UTILITY LINES AT CROSSINGS. �0 CB# 10
2. A MINIMUM OF 1 FOOT VERTICAL SEPARATION
WILL BE PROVIDED BETWEEN SEWER LINES AND ,
OTHER UTILITY LINES AT CROSSINGS. ELSE ,
ETHOFOAM PAD WILL BE PROVIDED. VERTICAL DATUM
UTILITY SEPARATION NOTES T 17'T ,
1. THERE SHALL BE A MINIMUM 10 FOOT
HORIZONTAL SEPARATION BETWEEN SEWER AND
WATER MAINS AND A MINIMUM 7 FOOT
SEPARATION BETWEEN SEWER AND ALL OTHER
UTILITIES.
CI Y 0 REN ON, NAVD 88
BENCHMARK
FOUND MONUMENT IN CASE LEAD PLUG & TACK IN 4"X4" CONIC
INTX MONROE AVE SE & SE 16TH PL C.O.R BENCHMARK 1857
EL=413.38 (JUNE 2013) 2 REVISED PER CITY COMMENT
FOUND MONUMENT IN CASE BRASS PIN IN CONIC INTX SE 158TH 1 ASBUILT
ST & 124TH AV SE C.O.R BENCHMARK 1908 EL=387.24' (JUNE 2014) N0. REVISION
EX. CB # 1
EX. CB #'
V \
a
8
II ,�
9� ti CB#1
}}, p EX. CB
EX. 18" SD
LOT AREA INFORMATION TABLE
LOT #
LOT SIZE
(SF)
IMPERVIOUS
(SF)
LOT #
LOT SIZE
(SF)
IMPERVIOUS
(SF)
1
5,000
3,250
21
6,214
4,039
2
5,000
3,250
22
5,213
3,388
3
5,000
3,250
23
5,213
3,388
4
5,000
3,250
24
5,730
3,724
5
5,000
3,250
25
5,213
3,388
6
61183
4,019
26
5,730
3,724
7
6,085
3,955
27
5,173
3,363
8
5,308
3,450
28
5,006
3,254
9
6,875
4,469
29
5,000
3,250
10
4,694
3,051
30
5,000
3,250
11
5,994
3,896
57
5,518
3,587
12
5,574
3,623
58
4,912
3,193
13
6,293
4,090
87
5,866
3,813
14
6,299
4,094
88
6,365
4,137
15
5,500
3,575
89
5,000
3,250
16
5,567
3,619
90
5,000
3,250
17
6,551
4,258
91
5,000
3,250
18
5,000
3,250
92
5,000
3,250
19
5,000
3,250
93
5,000
3,250
20
6,490
4,219
94
j 5,000
3,250
18" SD
*INDIVIDUAL LOT BMP NOTE:
THIS PROJECT IS USING THE REDUCED IMPERVIOUS
SURFACE CREDIT TO MEET THE INDIVIDUAL LOT
BMP REQUIREMENTS (SPECIFICALLY THE RESTRICTED
FOOTPRINT BMP), WHICH REQUIRED REDUCING THE
ALLOWABLE IMPERVIOUS COVERAGE BY 10 PERCENT.
THIS PROJECT IS ZONED R-8. THE ZONE ALLOWS
75% MAX IMPERVIOUS COVERAGE PER LOT. THE
DRAINAGE FACILITY HAS BEEN SIZED FOR 65% MAX
IMPERVIOUS COVERAGE PER LOT. THE ALLOWABLE
IMPERVIOUS AREAS LISTED IN THIS TABLE ARE
COMPUTED AS 65 PERCENT OF THE LOT AREA.
SPECIAL NOTE:
SIDE SEWER LINES SHALL BE INSTALLED TEN FEET
INTO EACH LOT IF SANITARY SEWER MAINS ARE
AVAILABLE, OR PROVIDED WITHIN THE SUBDIVISION
DEVELOPMENT.
WALL DRAIN KEYNOTES:
�1 CONNECT WALL DRAIN TO ROOF AND FOOTING DRAIN.
2� DAYLIGHT WALL DRAIN
BOTTOM FACE OF WALL TO BE LOCATED BY
CONTRACTOR SO THAT ENCROACHMENT DOES NOT
�3 OCCUR ONTO THE ADJACENT TRACTS. DRAINAGE PIPE
BEHIND THE WALL TO BE LOCATED WITHIN THE LOTS
ASSOCIATED WITH THE WALL AND NOT THE TRACTS.
PROVIDE PIPE SLEEVE AT LOCATION WHERE STORM
PIPE CROSSES RETAINING WALL.
SURVEYED: SCALE: , VERTICAL: NAVD 1988
BCE HORIZ: 1 =50 HORIZONTAL: NAD 1983/1991 CITY O F
DESIGNED: VER: N/A "
BJT .� RENTONDRAWN:
BK 1/20/1 BJT
RAG I ONE INCH � DATUM
BK 11/2/18 BJT CHECKED: AT FULL SCALE Plonning/Building/Public Works Dept.
RAG IF NOT ONE INCH
BY DATE APPR APPROVED: SCALE ACCORDINGLY
BJT
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APPROVED BY DATE = W LO
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APPROVED BY DATE b►� O CONGJJ
APPROVED BY DATE O
COMPOSITE UTILITY PLAN DATE 11 /20/2018 In
ASBUILT - ALLURA AT TIFFANY PARK FIELDBOOK: Q
PAGE:
MAINVUE WA, LLC DRAWING N0:
1110112TH AVE NE, SUITE 202
BELLEVUE, WA 98004 SHEET: 14 0F:68 m
S-392301 W-392301 RI-1319121311141