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I IXVIVI IVIL I LI\ INJ IV - I LIN V-VL
DCVA BACKFLOW PREVENTER
1 1 /2" = V-0"
MAIN LINE
00 0 00 0o FILTER FABRIC, WRAP UP ALL SIDES
2 CU. FT. WASHED ��n �o�°n ABOVE OPENINGS'oo0°OoO
DRAIN ROCK 6X2X16 CONC. BLOCK, ONE PER CORNER (4 TOTAI
NOTES:
1. USE VALVE BOX W EXTENSIONS. SET 2" ABOVE GRADE IN SHRUBS, FLUSH IN
TURF
2. USE TEFLON TAPE FOR ALL THREADED FITTINGS, NO PIPE DOPE
3. KEEP MIN. 3" CLEARANCE AROUND VALVE ON ALL SIDES.
4. LEAVE EXTRA 30" CONTROL WIRE COILED INSIDE VALVE BOX
5. USE DBR WATERPROOF CONNECTORS
REMO�ECONTROL VALVE
v J 1 1 /2" = V-0"
BRASS NIPPLE DCVA, SEE SPEC.
BRASS GATE VALVE BLOW OUT QUICK COUPLER
ON BRASS 'IT" AND BRASS NIPPLE
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SCHEDULE 80
UNION
I I SUPPORT MIN. 2" CLR
BLOCKING ABOVE AND
PIPE THROUGH ROOF BELOW
SLAB, SEE ARCH.
ALL BRASS OR TYPE K COPPER PIPE AND FITTINGS
BEFORE THE DCVA AND QUICK COUPLER.
BASS BALL VALVE, INTERIOR SHUT OFF
NOTE:
1. USE TEFLON TAPE ON ALL
THREADED FITTINGS. NO PIPE DOPE.
2. INSTALL DCVA UNDER A PAVER
WHICH CAN BE EASILY REMOVED.
DCVA UNDER ROOF PAVERS
1 1 /2" = V-0"
91
21
b -
ALL BRASS PIPE
AND FITTINGS
FROM DCVA
2 CU. FT. WASHED DRAIN ROCK
MASTER VALVE
1 1 /2" = V-0"
UNION
�C?
MAIN LINE ) - 0o - - - u- nY�- (
o 0 FILTER FABRIC, WRAP UP ALL SIDES
2 CU. FT. WASHED � n �0 q0 98 �o ABOVE OPENINGS -,D_ o (
DRAIN ROCK 6X2X16 CONC. BLOCK, ONE PER CORNER (4 TOTAL)
NOTES:
1. USE VALVE BOX W EXTENSIONS. SET 2" ABOVE GRADE IN SHRUBS, FLUSH IN
TURF
2. USE TEFLON TAPE FOR ALL THREADED FITTINGS, NO PIPE DOPE
3. KEEP MIN. 3" CLEARANCE AROUND VALVE ON ALL SIDES.
4. LEAVE EXTRA 30" CONTROL WIRE COILED INSIDE VALVE BOX
5. USE DBR WATERPROOF CONNECTORS
DRIP REMOTE CONTROL VALVE
1 1 /2" = V-0"
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Civil Engineers
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1200 Sixth Avenue, Suite ta 1620, Seattle, WA 98101
206.267.2425 TEL
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VALVE SCHEDULE
GENERAL IRRIGATION NOTES
1. NO SUBSTITUTIONS OF EQUIPMENT OR DESIGN CHANGES SHALL BE PERMITTED UNLESS APPROVED
BY THE OWNER.
2. IRRIGATION LINES AND VALVES MAY BE SHOWN IN HARD SURFACE AREAS OR OUTSIDE LANDSCAPE
AREAS FOR GRAPHIC CLARITY. LOCATE ALL IRRIGATION LINES IN LANDSCAPE AREAS OR IN SLEEVES
UNDER PAVEMENT.
3. IRRIGATION CONTRACTOR SHALL COORDINATE INSTALLATION OF IRRIGATION CONDUIT AND SLEEVES
UNDER HARD SURFACES WITH RESPECTIVE CONTRACTORS.
4. CONTRACTOR SHALL BE RESPONSIBLE FOR OBTAINING ALL PERMITS, TESTS, AND INSPECTIONS
REQUIRED FOR THE IRRIGATION SYSTEM.
5. CALL FOR LOCATES PRIOR TO DIGGING AT CONTRACTOR IS RESPONSIBLE TO VERIFY UTILITY
LOCATIONS. IF UTILITIES ARE DAMAGED IN THE COURSE OF WORK, CONTRACTOR SHALL INFORM THE
OWNER AND MAKE ANY REPAIRS REQUIRED, AT NO COST TO THE OWNER.
6. ALL SLEEVING SHALL BE MARKED, SEALED AND STAKED. ALL SLEEVES SHALL BE TWICE THE SIZE OF
OF THE LINE OR COMBINED LINES. MINIMUM SLEEVE SIZE SHALL BE 4-INCHES IF LOCATED UNDER
ROADWAY OR DRIVE AISLE.
7. COORDINATE SLEEVING LOCATIONS WITH ELECTRICAL CONDUIT.
8. SPLICE CONTROL WIRES WITHIN VALVE BOXES ONLY, USING 3M-DBY, OR APPROVED SPLICE KITS, AND
PROVIDE A 30" EXPANSION LOOP FOR ALL CONTROL WIRES WITHIN EACH VALVE BOX. KEEP WIRE
SPLICES TO A MINIMUM. PROVIDE CLEAN WIRE CUTS WITH NEW SPLICE KITS AT ALL SPLICES
INCLUDING ANY SPLICE THAT IS DISCONNECTED AND RECONNECTED FOR ANY REASON OR PERIOD OF
TIME.
9. VALVE BOXES SHALL BE COMMERCIAL -GRADE POLYETHYLENE OR HDPE AND SUITABLE FOR LIGHT
DUTY APPLICATIONS.
10. INSTALLER TO ADJUST ALL ZONE CONTROL VALVES TO THE CORRECT OPERATING PRESSURE. SEE
VALVE SCHEDULE FOR OPERATING PSI.
11. CONTRACTOR SHALL HAND TRENCH IRRIGATION DITCHES WHEN WITHIN 20 FEET, OR WITHIN A
DELINEATED ROOT PROTECTION ZONE, OF EXISTING TREES TO REMAIN. AVOID CUTTING ANY ROOTS
OVER 3" - 4" IN DIAMETER WITHIN THE ROOT PROTECTION ZONE.
12. INSTALLER SHALL BE RESPONSIBLE FOR KEEPING EXACT ACCURATE NOTES AND "AS-BUILTSII FOR THE
CREATION OF THE "RECORD DRAWINGS" OF THE INSTALLED SYSTEM.
13. CONTRACTOR SHALL PROVIDE IRRIGATION MAINTENANCE THROUGH THE PLANT ESTABLISHMENT
PERIOD INCLUDING WINTERIZATION(S) AND SPRING START-UP(S).
CRITICAL ANALYSIS
Generated: 2022-04-21 08:11
P.O.C. NUMBER: 01
Water Source Information: NEW WATER METER- SEE CIVIL
FLOW AVAILABLE
Water Meter Size: 1"
Flow Available 37.5 GPM
WVX*01:1CF-I _11!_11.1no
Static Pressure at POC:
72.00 PSI
Elevation Change:
5.00 ft
Service Line Size:
3"
Length of Service Line:
20 ft
Pressure Available:
70.00 psi
DESIGN ANALYSIS
Maximum Station Flow:
13.84 GPM
Flow Available at POC:
37.5 GPM
Residual Flow Available:
23.66 GPM
Critical Station:
6
Design Pressure:
25 PSI
Friction Loss:
2.33 PSI
Fittings Loss:
0.23 PSI
Elevation Loss:
0 PSI
Loss through Valve:
11.68 PSI
Pressure Req. at Critical Station:
39.26 PSI
Loss for Fittings:
0.53 PSI
Loss for Main Line:
5.35 PSI
Loss for POC to Valve Elevation:
0 PSI
Loss for Backflow:
6.95 PSI
Loss for Master Valve:
1.08 PSI
Loss for Water Meter:
1.08 PSI
Critical Station Pressure at POC:
54.25 PSI
Pressure Available:
70 PSI
Residual Pressure Available:
15.75 PSI
NUMBER
MODEL
SIZE
TYPE
GPM
PSI
PSI @ POC
PRECIP
1
DRCV
1"
SHRUB DRIPLINE 0.6 GPH @ 18" O.C.
(2.3 L/H @ 0,46M) 1.64
26.71
32.14
0.69 in/h
2
DRCV
1"
SHRUB DRIPLINE 0.6 GPH @ 18" O.C.
(2.3 L/H @ 0,46M) 5.63
30.44
37.05
0.69 in/h
3
RCV
1"
TREE BUBBLERS RWS
8.43
33.22
43.44
0.9 in/h
4
DRCV
1"
SHRUB DRIPLINE 0.6 GPH @ 18" O.C.
(2.3 L/H @ 0,46M) 3.01
27.38
33.36
0.69 in/h
5
RCV
1"
TREE BUBBLERS RWS
1.60
31.41
36.92
1 in/h
6
DRCV
1"
SHRUB DRIPLINE 0.6 GPH @ 18" O.C.
(2.3 L/H @ 0,46M) 13.84
39.24
54.25
0.69 in/h
7
RCV
1"
TURF ROTATOR (HUNTER)
7.05
42.84
51.04
0.45 in/h
8
RCV
1"
TREE BUBBLERS RWS
2.24
31.58
37.17
1 in/h
9
RCV
1"
TURF ROTATOR (HUNTER)
0.83
41.22
46.65
0.45 in/h
10
RCV
1"
SHRUB DRIPLINE 0.6 GPH @ 18" O.C.
(2.3 L/H @ 0,46M) 0.88
26.24
31.67
0.69 in/h
11
DRCV
1"
SHRUB DRIPLINE 0.6 GPH @ 18" O.C.
(2.3 L/H @ 0,46M) 5.20
30.2
36.5
0.69 in/h
12
RCV
1"
TREE BUBBLERS RWS
6.94
33.57
40.39
1 in/h
13
DRCV
1"
TREE BUBBLERS RWS
6.65
36.68
43.29
0.85 in/h
14
DRCV
1"
0.00
1
6.5
Unknown
15
DRCV
1"
0.00
1
6.5
Unknown
16
DRCV
1"
0.00
1
6.5
Unknown
17
RCV
1"
0.00
0.8
6.3
Unknown
19
DRCV
1"
0.00
1
6.5
Unknown
20
DRCV
1"
0.00
1
6.5
Unknown
1
PERMIT REVISION
E.H.
3/18/22
SURVEYED:
T.L.
SCALE:
PER SHEET
2
PERMIT REVISION
E.H.
4/25/22
DESIGNED:
M.S.
3
PERMIT REVISION
E.H.
5/12/22
DRAWN:
E.H.
ONE INCH
CHECKED:
C.T.
AT FULL SCALE
IF NOT ONE INCH
NO.
REVISION
BY
DAT E
A P P R
SCALE ACCORDINGLY
APPROVED:
VERTICA:19
NOR ON ALL NAD D1983//11991
DATU M
GROUND LEVEL POINT OF CONNECTION NOTES
1. CONTRACTOR SHALL VERIFY EXISTING STATIC PRESSURE AT THE METER AND SUBMIT WRITTEN
VERIFICATION TO THE LANDSCAPE ARCHITECT. NOTIFY THE LANDSCAPE ARCHITECT OF
DISCREPANCIES GREATER THAN 5 POUNDS OF DESIGN PRIOR TO INSTALLATION OF ANY IRRIGATION
EQUIPMENT.
2. POC NUMBER 01: 1" NEW DEDICATED METER.
2.1. THE SYSTEM DESIGN IS BASED ON OPERATING 1 ZONE AT A TIME USING A NEW IRRIGATION
METER ON A 1" SCH. 40 PVC SUPPLY LINE. CONTRACTOR SHALL FIELD VERIFY SIZE AND LOCATION.
3. COORDINATE METER SCOPE OF WORK WITH ALL APPLICABLE TRADES. INSTALL METER PER KING
COUNTY WATER DISTRICT 90 STANDARDS.
4. IRRIGATION CONTRACTOR SHALL TIE INTO METER AND RUN PIPE TO BACKFLOW PREVENTER. INSTALL
BACKFLOW PREVENTER ON PRIVATE PROPERTY AS CLOSE TO THE METER AS POSSIBLE.
5. NOTIFY THE OWNER IMMEDIATELY IF THE POINT OF CONNECTION ASSUMPTIONS MADE HERE DO NOT
MATCH FIELD CONDITIONS.
6. CONTRACTOR SHALL APPLY AND PAY FOR ALL REQUIRED PERMITS, INCLUDING A SEPARATE
BACKFLOW PREVENTER (DCVA) PERMIT
7. CONTRACTOR TO PROVIDE DCVA TESTING
ROOFTOP IRRIGATION NOTES
1. SEE APPLICABLE GENERAL IRRIGATION NOTES.
2. IRRIGATION CONTRACTOR SHALL COMPLY WITH APPLICABLE BUILDING AND PLUMBING CODES FOR
IRRIGATION PIPING AND EQUIPMENT INSIDE AND ON TOP OF STRUCTURES. COORDINATE WITH
APPLICABLE TRADES PRIOR TO BIDDING.
3. PROVIDE SHOP DRAWING(S) OF INTERIOR IRRIGATION EQUIPMENT SHOWING CONFIGURATION AND
COORDINATION WITH OTHER PROPOSED EQUIPMENT.
4. TO THE EXTENT POSSIBLE, IRRIGATION PIPING SHALL BE CONCEALED IN OCCUPIED SPACES. PVC PIPE
SHALL BE COVERED OR WRAPPED AND SHALL NOT BE EXPOSED TO SUN. STUB -UPS AND STUB -OUTS
SHALL BE CONCEALED BY PEDESTAL PAVERS OR PLANTERS.
5. HEADS MUST BE VERTICAL AND SECURE. PROVIDE HEADS ON EL IF REQUIRED TO PREVENT LATERAL
LINE FROM TWISTING.
6. PROVIDE LAMINATED PLAN IN CONTROLLER BOX SHOWING EQUIPMENT LOCATIONS UNDER PEDESTAL
PAVERS. PLAN SHALL CLEARLY INDICATE WHICH PAVER IS TO BE REMOVED FOR ACCESS.
7. VALVES, BACKFLOW PREVENTERS AND PIPING SHALL BE PLACED UNDER PEDESTAL PAVERS ONLY
WHERE AT LEAST 2" CLEARANCE IS AVAILABLE. WHERE NO LOCATION PERMITS, PLACE VALVES AND
BACKFLOW PREVENTERS IN VALVE BOXES IN BEDS OR WALL MOUNT WHERE NOT VISIBLE TO USERS IN
ACCESSIBLE SPACE. GET APPROVAL OF LOCATION FROM LANDSCAPE ARCHITECT BEFORE INSTALLING.
DRIP IRRIGATION NOTES
1. SEE APPLICABLE GENERAL IRRIGATION NOTES.
2. DO NOT EXCEED MAXIMUM VERTICAL DISTANCE BETWEEN PRESSURE CONTROL VALVES
RECOMMENDED BY MANUFACTURER.
3. DRIP LINE HATCH DIRECTION AND SPACING ON PLANS IS DIAGRAMMATIC. PLACE PER DETAILS,
LEGEND, AND MANUFACTURER'S RECOMMENDATIONS.
29. IRRIGATION CONTRACTOR SHALL INSTALL PROVISIONS FOR WINTERIZATION BY PROVIDING BOTH
MANUAL DRAINS AT ALL LOW POINTS (AUTOMATIC DRAIN VALVES ARE NOT PERMITTED) AND A MEANS
TO BLOW OUT IRRIGATIONS SYSTEM PIPES WITH PRESSURIZED AIR. SLOPE PIPE AT 1/21, MIN. TO
DRAINS. PRESSURIZED AIR NOT TO EXCEED 20 PSI ON DRIP IRRIGATION LINES.
31. INSTALL AIR RELIEF VALVES PER MANUFACTURER'S RECOMMENDATIONS, IN CONTROL VALVE BOXES.
32. INSTALL DRIP LINES ACCORDING TO MANUFACTURER'S INSTRUCTIONS. NO DRIP TUBING SHALL BE
LEFT EXPOSED.
I CITY OF
RENTON
Plonning/Building/Public Works Dept.
R-420036
IN COMPLIANCE WITH CITY OF RENTON STANDARDS
EMotRENTPLANNING
ganroth 05+I7f2R22 01
WATERSHED APARTMENTS
CIVIL CONSTRUCTION PERMIT
IRRIGATION DETAILS
DATE:
03/18/2022
FIELDBOOK:
PAGE:
L3.2
SHEET: 45 OF:46
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