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FINISH GRADE '
6" VALVE BOX
QUICK COUPLING
VALVE
1" SCHED. 80 PVC PIPE
WITH HOLES FOR "U" BOLT
STAINLESS STEEL "U" I
BOLT 1/8" MINIMUM
STOCK ANCHOR LOW ON
VALVE I I
1" U.S. THREADED -ONE -END PVC
2 1/2" CLEAR
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TO TRIPLE SWING COINT
NIPPLE [MIPT❑ON "LASCO" OR NOTE:
EQUAL PRE -FABRICATED BOX AND ANTI -ROTATION PIPE
TRIPLE SWING COINT. NOT REQUIRED FOR INTERIOR
LOCATIONS.
ELEVATION VIEW PLAN VIEW
QUICK COUPLER
SCALE: NTS
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TURF POP UP HEAD.
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z_ 112" MARLEX STREET ELL.
� BARB ELL X MIPT.
7\\
1/2" MARLEX
STREET ELL. 7
I PVC TEE SXSXT
OR ELL.
LATERAL LINE.
4"
TO CURB OR
WALK,
18" LONG,
1" SCHED.
80 PVC PIPE
NOTE:
LOCATE VALVE BOX FLUSH IN TURF AREAS
2" ABOVE GRADE IN SHRUB AREAS
RECTANGULAR VALVE BOX
W/ EXTENSIONS AS REQ'D
FINISH GRADE
III — 1-1 VALVE NO. TAG
2—� �-
GALV NIPPLE
60
QUICK MASTER CONTROL PVC FEMALE ADAPTER
COUPP9E. SIZE PER DRAWINGS
VALV
PVC MAINLINE FLOW PVC MAINLINE
1 CUFT PEA 1 M r I AI
GRAVEL — — — — — — — —
1I
BRICK SUPPORT
MASTER VALVE IS TO BE WIRED TO AUTOMATIC CONTROLLER AS DESIGNATED.
CONTROLLER TERMINALS PROVIDED BY THE MANUFACTURER. USE OF WIRE FROM
VALVE TO CONTROLLER SAME SIZE AS CONTROL WIRE CALLED OUT IN THE
MATERIALS LEGEND.
1/2" POLYETHYLENE FLEXIBLE
TUBING, LENGTH AS REQUIRED.
TURF SPRAY FLEX ASSEMBLY
SCALE: NTS
OF WAS/��
a
U
�2 20
"'02 EXP-
MASTER CONTROL VALVE
SCALE: NTS
MULCH LAYER.
PVC LATE L
III III III NOTE: —
1 -VERIFY MAX. AND MIN. FLOW RATES. NOTIFY —
ARCHITECT IF DIFFERENT FROM MANUFACTURE'S
RECOMMENDATIONS.
2FINSTALL PER SPECIFICATIONS AND MANUFACTURE'S
RECOMMENDATIONS.
3❑BOX NOT REQUIRED FOR INTERIOR INSTALLATIONS
411PROVIDE VALVE IDENTIFICATION TAG
ro"\ AUTOMATIC CONTROL VALVE
SCALE: NTS
third plac a sign 1 CITY CORRECTIONS
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-operative
where architecture meets community
304 Alaskan Way S., Suite 301
Seattle, WA 98104 NO. REVISION
REMOTE CONTROL VALVE BOX
PER SPECIFICATIONS. LID
FLUSH WITH FINISHED GRADE
OF MULCH.
CONTROL WIRES WITH 36"
SERVICE COIL AND WATER
PROOF WIRE CONNECTIONS,
SCH. 80 BALL VALVE
SCH. 40 PVC ELL
LTA IIV wofoZK•]111Y•]111111111: 1:1
AUTOMATIC CONTROL VALVE
BRICK SUPPORT, MIN. TWO
PER BOX
MESH FILTER PER
SPECIFICATIONS
INLINE PRESSURE
REGULATOR PER
SPECIFICATIONS
MAINLINE FITTING
SCH. 40 MALE ADAPTOR BOTH
ENDS.
PEA GRAVEL 6" DEPTH.
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(MIN.)
—-
6" MIN.
II, [Ty
P'LA'
UNION (TYP.)
TO CITY
METER STACKED METER SECTION, 6" MIN. FREE
BOXES DRAINING GRAVEL
NOTES:
1. ALL DOUBLE CHECK VALVE ASSEMBLIES (DCVA's) MUST BE LISTED ON LATEST LIST OF "BACKFLOW PREVENTION
ASSEMBLIES APPROVED FOR INSTALLATION IN WASHINGTON STATE", PUBLISHED BY STATE OF WASHINGTON
DEPARTMENT OF HEALTH.
2. THE OWNER/APPLICANT MUST OBTAIN A SEPARATE CITY OF RENTON PLUMBING PERMIT FOR THE INSPECTION
OF THE INSTALLATION OF THE DCVA AND PIPING. THE OWNER SHALL FURNISH, INSTALL AND MAINTAIN THE
DCVA AND ALL PIPING AND APPURTENANCES SHOWN ON THIS PLAN.
3. THE DCVA MUST BE TESTED BY A STATE CERTIFIED BACKFLOW ASSEMBLY TESTER AFTER ITS INITIAL
INSTALLATION, AFTER REPAIRS AND ANNUALLY THEREAFTER AT OWNER'S EXPENSE. A COPY OF THE TEST
REPORT SHALL BE SENT OR FAXED TO CITY OF RENTON WATER UTILITY ENGINEERING DEPT., ATTN: WATER
UTILITY CROSS —CONNECTION CONTROL SPECIALIST, FAX NO. 425-430-7241.
4. DCVA AND METER BOX SHALL BE LOCATED ON PRINATE, PROPERTY AND AS NEAR AS POSSIBLE TO THE
WATER METER.
"'T DOUBLE CHECK VALVE STD. PLAN - 340.8
�+.�j� PUBLIC WORKS y ED N:YIFORI IRRIGATION 0A
■� DEPARTMENT
�Nzo R ESSIDEN f I FIIuF, EII, ,RINKLE , MARCH 2O10
DOUBLE CHECK VALVE
v % SCALE: NTS
RUBBER VALVE
MARKER
FINISH GRADE
? I-1 I I-1
-1 II I II I 2" CLASS 160 PVC
SLEEVE
MAINLINE
III—III-
11=1
16" MIN GALV
NIPPLE I �— 3/4" ANGLE VALVE
MANUAL DRAIN VALVE
SCALE: NTS
BC 11.6.19 SURVEYED:
LANKTREE
DESIGNED:
TPDC
DRAWN:
CHECKED
BC/PH
BY DATE APPR APPROVED:
SCALE:
1 "=20'
ONE INCH
AT FULL SCALE
IF NOT ONE INCH
SCALE ACCORDINGLY
VERTICAL: NAVD 1988
HORIZONTAL: NAD 1983/1991
DATUM
CITY OF
RENTON
PlanninE/Buildin❑/PuEli ❑W ks DeEt.
NOTE: PROVIDE
DIELECTRIC
FITTINGS FOR ALL
EXISTING 2" IRRIGATION
GALVANIZED PIPE
METER
TO COPPER
CONNECTIONS.
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DOUBLE CHECK VALVE
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ASSEMBLY DCVA
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DRAIN VAVLE
MAINLINE TO
ISOLATION VALVE, TYP.
IRRIGATION VALVES
MASTER CONTROLL
VALVE
POINT OF CONNECTION
SCALE: NTS
FINISH IRRIGATION
GRADE DETECTION
TAPE
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LATERAL I —I I I q—�
LINE _
U1 _ 6" _III PRESSURE
— MAINLINE
—I CONTROL
— — WIRES
• ALL DIMENSIONS ARE MINIMUM CLEARANCES
• NO OTHER TRADES ARE ALLOWED TO USE SAME TRENCH.
• ALL IRRIGATION SLEEVING MATERIAL IS TO BE SDR-26, CL 160
PVC PIPE, INSTALLED WITH 18" COVER MIN.
• BEDDING FOR SLEEVING MATERIAL SHALL BE SAND. INSTALL
4" BELOW AND 6" ABOVE PIPING.
• SLEEVING MATERIAL IS REQUIRED UNDER ALL HARDSCAPE
FOR MAINLINES, LATERAL LINES AND IRRIGATION WIRING,
SIZING AS CALLED FOR OR IF NOT CALLED OUT, SIZE AS REQUIRED.
• NO STACKING A/ERTICALLY❑OF PIPES IN SAME TRENCH.
• BACKFILL SHALL BE INSTALLED IN LAYERS, AND MECHANICALLY
COMPACTED TO A DRY DENSITY EQUAL TO 9511 OF AD-ACENT
UNDISTURBED SOIL.
• ALL IRRIGATION IN RIGHT OF WAY TO BE PER CITY STANDARD PLANS.
TRENCHING
SCALE: NTS
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R-408525 �
IN COMPLIANCE WITH CITY OF RENTON STANDARDS 0
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CURRENT PLANNING
Matt Herrera 01 /06/2020 O
W
DATE:
WILLOWCREST TOWNHOMES 07/29/19UJ
RENTON, WA EDMONDS AVE NE, FIELDBOOK
PAGE: O
DRAWING NO: J
L-2.02 J
IRRIGATION DETAILS s"EE31 OF: 35