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FIRE FLOW LIMITATION AND RESIDENTIAL
FIRE SPRINKLER REQUIREMENTS
THE MAXIMUM AVAILABLE FIRE FLOW CAPACITY FROM THE NEW
8-INCH DEAD-END WATER LINE IN ROAD A & B IS LIMITED TO
1,250 GALLONS PER MINUTE (GPM).
AN APPROVED RESIDENTIAL FIRE SPRINKLER SYSTEM WILL BE
REQUIRED FOR ALL NEW SINGLE-FAMILY RESIDENCES THAT WILL
HAVE OVER 3,600 SQUARE -FEET OF GROSS BUILDING AREA (THIS
APPLIES TO LOTS 12-17 ONLY. ALL OTHER LOTS WILL HAVE A
GROSS AREA LESS THAN 3,600 SQUARE -FEET.)
FIRE FLOW LIMITATION AND RESIDENTIAL
FIRE SPRINKLER REQUIREMENTS
WATFIR ANn SFWFR PI AN ANn PRC)FII F - RC An R
THE MAXIMUM AVAILABLE FIRE FLOW CAPACITY FROM THE NEW FOR
8-INCH DEAD-END WATER LINE IN ROAD A & B IS LIMITED TO
1,250 GALLONS PER MINUTE (GPM). HARMONY RIDGE
AN APPROVED RESIDENTIAL FIRE SPRINKLER SYSTEM WILL BE
REQUIRED FOR ALL NEW SINGLE-FAMILY RESIDENCES THAT WILL z -
HAVE OVER 3,600 SQUARE -FEET of GROSS BUILDING AREA. A PORTION OF SECTION 20, TOWNSHIP 23 N., RANGE 05 E., W.M.
CITY OF RENTON, KING COUNTY, WASHINGTON ,
SEE CONTINUATION ON SHEET 34 BEARING PAD o 10 20 40
ELEVATION (TYP)
�� ����� �� ��■ 11 I I t
10 SCALE 1 -209 EX TREE TO BE
456.90 4' PERMEABLE 455.90 456.50 455.40 454.30
RETAINED (TYP)
-------------------------------- VEMENT
° P I
_--------------------
113 LF 8" SS ,, m '\\ - N16ti i WATER MAIN FITTING
@ 0.96% - a ------------------ 4' GRAVED
R W j
° a o a o V.:' c DATA TABLE
K 4 ° ° 9 e .. a ° :. ' PATH
a 5 SIDEWALK
STA 12+67.44 7.00' LT
I 8 LANDSCAPE
21 ° I INSTALL:
18' STORM ° ° ��� 1-8" TEE (MJXFL)
455.90 ° 1-8" GATE VALVE (FLXMJ)
SSjMH#11 1 ° 3 168 LF 8" SS ® 0.55% SSMH#15 �,p 8 ��\ SSMH#16 �a CONC. THRUST BLOCKING
8 LF
_ W - --ROAD B - N - g" . pl O STA 20+52.51 7.00' RT
m g. 4 7 2 00 ��i 5 RESIDENTIAL ACCESS 6 0 7 9`� INSTALL:
46 LF 8" DI �� 240 LF 8 DI .� 1-FIRE HYDRANT ASSEMBLY
i PER STD. PLAN NO. 310.1
INTERSECTION ° 4 10 8 1-8X6" TEE (MJXFL)
- cn ° ° ° ° Q -6" GA
STA=12+60.44 ROAD A ° 1 GATE VALVE FLXMJ
v. ( )
a ` �`�' ° 8' LANDSCAPE ° 8 z CONC. THRUST BLOCKING
STA=40+00.00 ROAD B I ¢ I �u ° o
a• O
5 SIDEWALK a� �' o ° 1 W . 8 STA 22+92.44 7.00 RT
° z a° ° R WFS ° FS FS ¢ J g O INSTALL:
20 O w i
° �. n I o /
C ���
456.5 w t - % ?y STAR Z PER STD. RE YPLAN TNO. ASSEMBLY10.1
i I -�-8X6 TEE (MJxFL)
93 LF 8" SS ° 0 l ° I 4 11-6" GATE VALVE (FLXMJ)
@ 1.00% Igo / TYP SSCO#16 1 ° R4S, ° . - - - 1-8" CAP"(MJ)
SSGO 5 \ _
SSCo# 17 17 16 1 +2o I # 14 ° , 8 LF 8 DI SPOOL
455.30 454.60 L=44.5' 1+63 453.90
3. 0 � � 453.10 SSCO#14
° 2-CONC. THRUST BLOCKING
■�����`�� �� ��� im 1i1 0+62 L=44.5
IE=448.60 I 0+51 1-8" POL PIGGIN CROSS PER
" � POLYPIGGING
SEE CONTINUATION L=44.5 S=18.56% I IE=447.90 BEARING PAD L=44.5' ° STD PLAN 300.6
IE=44930 I 5=16.45%
�� ELEVATION (TYP) IE=447.10 WATER SERVICE
ON SHEET 34 s=20.85% i S=13.24%
� 1" DOMESTIC WATER WATER
470
465
460
455
450
445
440
435
430
°
I
1
°
°
/.0
SSCO#13 1.0
0+96 ��Ssco# 12
L=92.3' 1 +51
IE=444.60 13 FS 2 E==444.20
S-3.18% 450.60 450.20 S=2.02%
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19+60 20+00 21+00
BENCHMARK
DATUM TOP OF 3/8" BRASS PLUG SET IN CONCRETE FOUND BRASS PIN 0.76' BELOW GRADE IN 4X4
MONUMENT AT INTERSECTION OF PUGET DRIVE CONC. MONUMENT IN MONUMENT CASE AT INTX 116TH
HORIZONTAL DATUM: VERTICAL DATUM: SE AND SE 19TH ST (NAD 83/11) AVE SE & 157TH ST (JUNE 2022) (NAD 83/11)
NAD '83/' 11 NAVD '88 N: 172240.27, E: 1304612.10 N: 171833.64, E: 1305874.10
22+00
1 CITY REVIEW COMMENTS DATED 6/23/2025
2 CITY REVIEW COMMENTS DATED 9/25/2025
\►81
REVISION
RK
9/26/25
TJS
SURVEYED:
ANG
1 /5/25
TJS
DESIGNED:
RK
DRAWN:RK
CHECKED:
BJT
BY
DATE
APPR
APPROVED'
TJS
FOR EACH LOT, PER STD. PLAN
320.1
FS WATER SERVICE
1" DOMESTIC WATER WATER
AND DCVA FOR EACH LOT, PER
STD. PLAN 320.1 AND 340.8
I SITE MAP KEY PLAN I
WATER NOTE:
1. LOTS 12-17 SHALL HAVE FIRE SPRINKLERS PER CITY OF RENTON
STANDARDS. A 1" WATER METER SHALL BE INSTALLED FOR EACH
LOT TO ACCOMMODATE FIRE SPRINKLERS AND DOMESTIC WATER
SUPPLY. SEE C.O.R. STD 320.1 AND 340.8.
2. MINIMUM OF 10 FT SEPARATION BETWEEN SEWER, STORM AND
WATER MAIN. MINIMUM OF 5 FT BETWEEN ALL OTHER UTILITIES.
3. MINIMUM OF 18-INCH VERTICAL SEPARATION BETWEEN SEWER,
WATER AND STORM LINES WHERE MINIMUM SEPARATION IS NOT
FEASIBLE, NON -POTABLE WATER PIPE SHALL BE PRESSURE RATED
PIPE (PVC C900, DI, OR EQUAL). ALL OTHER UTILITIES 12-INCH
MINIMUM VERTICAL SEPARATION.
4. WATER SERVICE IS PUBLIC UP UNTIL THE WATER METER.
EVERYTHING DOWNSTREAM OF THE METER IS PRIVATE.
5. WATER SERVICE IS PUBLIC UP UNTIL THE WATER METER.
EVERYTHING DOWNSTREAM OF THE METER IS PRIVATE.
SEWER NOTES:
1. SEWER PIPE SHALL BE 8" PVC SDR-35 UNLESS
NOTED OTHERWISE.
2. SIDE SEWERS ARE PRIVATE AND SHALL BE 6" PVC
SDR-35 ® 2.0% OR GREATER SLOPE.
3. SIDE SEWERS SHALL BE CONSTRUCTED OF THE
SAME MATERIAL AS THE SEWER MAIN.
4. ALL SEWER INFRASTRUCTURE IS PUBLIC UNLESS
OTHERWISE NOTED.
470 HORIZONTAL
0 10' 20' 40'
�-� O N S %r
SCALE: 1 "=20' �� �F. WAS//,/
VERTICAL
465 0 2.5' 5' 10' _Ao
Z
0 41
SCALE: 1 "=5' G/ 0TFR�o
s/DNA L �NG�
460 UTILITY CROSSINGS 1/6/26
IE8"W=451.56 IE8"W=448.67
T/P 8" SS = 440.32 T/P 6" SS = 443.16 J C
IE 8" W = 450.90 IE 18" SD = 445.12 J t�
455 T/P 6" SS = 442.82 T/P 8" SS = 441.92
aill
IE 12" SD = 446.10 IE 8" W = 448.52
T/P 8" SS = 440.66 A T/P 16" SD = 446.75 Q� m
IE 8" W = 450.79
IE 8 W = 448.03
T/P 12" SD = 449.13 10 T/P 6" SS = 442.52 N
450 IE 8" W = 450.07 » Lu
IE 12 SD = 445.97 Cal
5 T/P 6" SS = 442.88 11 T/P 6" SS = 443.29
� i ao�ofV
6 IE 8" W = 449.45 IE 12" SD = 446.34 dl fV
6 T/P 6" SS = 442.89 12 T/P 6" SS = 444.02 N Q
445
is 0 � a� N
m V � Y
440
435
430
SCALE: _
H 1 "=20' HORIZZOONnTAL- NAD 1983/2011 CITY OF
V 1 "=5'
RENTON
ONE INCH DATUM
AT FULL SCALE Planning/Building/Public Works Dept.
IF NOT ONE INCH
SCALE ACCORDINGLY
CALL BEFORE YOU DIG:
1-800-424-5555
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IN COMPLIANCE WITH CITY OF RENTON STANDARDS
DEVELOPMENT ENGINEERING
HBray 02/05/2026 00
W Cy
(D N
WASTEWATER UTILITY WATER UTILITY p N
jstowell 02/05/2026 Haldez 02/09/2026 O
DATE: > Z
WATER AND SEWER PLAN 1/6/2026 Z 00
O
PAGE.
AND PROFILE - ROAD B °K: O
PAGE:
HARMONY RIDGE DRAWING N0: 0� LLB
ICHIJO USA, CO., LTD Q V
1406 140TH PL SE, SUITE 104, BELLEVUE, WA 98007 SHEET: 35 OF:66 = pp