HomeMy WebLinkAbout804 IRRIGATION DETAILS.pdfLandscape Designers & Consultants
(800) 680 6630
2500 CityWest Blvd, Ste 300
Houston, TX 77042
www.landscape-consultants.net
RI
V
E
R
R
O
A
D
S
H
O
P
S
&G
X
G
N
Q
R
O
G
P
V
%
Q
P
U
W
N
V
C
P
V
U
6T
C
P
U
R
Q
T
V
C
V
K
Q
P
PR
E
L
I
M
I
N
A
R
Y
NO
T
F
O
R
CO
N
S
T
R
U
C
T
I
O
N
1-800-382-5544 or 811
IR
R
I
G
A
T
I
O
N
D
E
T
A
I
L
S
A
N
D
SP
E
C
I
F
I
C
A
T
I
O
N
S
J.ALL BACKFILL MATERIAL SHALL BE SUBJECT TO APPROVAL BY THE OWNER. BACKFILL MATERIAL
SHALL BE FREE FROM RUBBISH, ROCK, LARGE STONES, BRUSH, SOD, FROZEN MATERIAL OR
OTHER UNSUITABLE SUBSTANCES THAT MAY DAMAGE PIPE DURING THE BACKFILLING
OPERATIONS. IN THE EVENT THAT THE MATERIAL FROM THE EXCAVATION OR TRENCHING IS
FOUND TO BE UNSUITABLE FOR USE IN BACKFILL, IT SHALL BE REMOVED FROM THE SITE AND
PROPERLY AND LEGALLY DISPOSED OF BY THE CONTRACTOR AT THE CONTRACTOR'S EXPENSE.
THE CONTRACTOR SHALL THEN PURCHASE AND AND FURNISH SUITABLE BACKFILL MATERIAL
CONSISTING OF EARTH, LOAM, SANDY CLAY, SAND OR OTHER APPROVED MATERIALS FREE OF
DEBRIS.
K.BACKFLOW INSTALLATION: CONTRACTOR SHALL MAKE CONNECTIONS TO EXISTING WATER
SOURCES AT LOCATION SHOWN ON PLANS AND AS APPROVED BY THE OWNER, AND SHALL MAKE
ANY MINOR CHANGES IN LOCATION AS MAY BE NECESSARY DUE TO ACTUAL SITE CONDITIONS.
BACKFLOW HEIGHT SHALL BE AS PER LOCAL CODES AND IRRIGATION DETAILS. INSTALL A BRASS
BALL VALVE IMMEDIATELY UPSTREAM OF THE BACKFLOW DEVICE TO SERVE AS AN ISOLATION
VALVE.
L.PIPING:
1.PIPE SIZE SHALL CONFORM TO THOSE SHOWN ON THE DRAWINGS. NO SUBSTITUTIONS OF
SMALLER PIPE SIZES SHALL BE PERMITTED, BUT SUBSTITUTIONS FOR LARGER SIZES MAY BE
APPROVED.
2.MAINLINE PIPE AND WIRES SHALL BE INSTALLED WITH A MINIMUM COVER OF 24 INCHES.
LATERAL PIPE SHALL BE INSTALLED WITH A MINIMUM COVER OF 18 INCHES.
3.ASSEMBLE ALL THREADED FITTINGS WITH TEFLON TAPE, WHICH SHALL BE APPLIED TO MALE
THREADS ONLY.
4.ALL SOLVENT-WELD CONNECTIONS SHALL BE MADE WITH APPROVED SOLVENT-WELD PRIMER
AND GLUE.
5.PIPE SHALL BE INSTALLED WITH A MINIMUM OF 4" HORIZONTAL CLEARANCE FROM ANY
OTHER PIPE AND 2" VERTICAL CLEARANCE FROM ANY PIPES THAT CROSS OVER OR UNDER.
M.VALVES SHALL BE INSTALLED PER MANUFACTURER'S DIRECTIONS AND THE IRRIGATION DETAILS.
EACH VALVE SHALL BEAR A PRE-PRINTED WATERPROOF TAG BEARING THE APPROPRIATE
CONTROLLER STATION NUMBER.
N.VALVE BOXES SHALL BE INSTALLED FLUSH WITH THE GRADE, WITH CLEAN PEA GRAVEL LOCATED
BELOW THE VALVE AS NOTED ON THE DETAILS. EACH VALVE BOX COVER SHALL BE
HEAT-BRANDED WITH THE CONTROLLER STATION NUMBER.
O.DRIP IRRIGATION EQUIPMENT SHALL BE INSTALLED PER MANUFACTURER'S DIRECTIONS AND THE
IRRIGATION DETAILS.
1.SUBSURFACE DRIP LINES SHALL BE BURIED NO MORE THAN 2" BELOW FINISH GRADE.
2.DRIP LINES MOUNTED ON GRADE SHALL BE LOCATED BENEATH LANDSCAPE FABRIC, AND
SECURED IN PLACE WITH WIRE STAPLES AT A MAXIMUM OF 48" ON CENTER.
P.SPRAY, ROTOR, AND BUBBLER HEADS:
1.ALL SPRAY AND ROTOR HEAD LOCATIONS SHALL BE STAKED, FLAGGED AND/OR OTHERWISE
CLEARLY MARKED ON THE GROUND PRIOR TO INSTALLATION. SPRINKLER HEAD STAKING
SHALL BE INSPECTED AND APPROVED BY THE OWNER'S REPRESENTATIVE BEFORE
INSTALLATION.
2.ALL SPRAY HEADS SHALL BE CONNECTED WITH A 12 INCH MINIMUM LENGTH OF 12 INCH FLEXPVC. THE FLEX PVC SHALL BE SOLVENT WELDED TO SCHEDULE 40 PVC FITTINGS WITH
WELD-ON #795 SOLVENT AND #P-70 PRIMER. ALL ROTORS SHALL BE CONNECTED TO
LATERAL LINES WITH PRE-MANUFACTURED SWING JOINTS.
3.ALL ROTOR, SPRAY AND BUBBLER HEADS SHALL BE SET PERPENDICULAR AND FLUSH TO
FINISH GRADE AND WITH A CLEARANCE OF FOUR INCHES (MINIMUM) FROM THE EDGE OF ANY
BUILDINGS, WALLS, BOULDERS, AND HARDSCAPE, UNLESS OTHERWISE SPECIFIED.
4.ALL ROTOR, SPRRAY AND BUBBLER HEADS AND VALVES SHALL BE FLUSHED AND ADJUSTED
FOR OPTIMUM COVERAGE WITH MINIMUM OVERSPRAY ON WALKS, STREETS, WALLS, ETC.
Q.AUTOMATIC CONTROLLER:
1.INSTALL THE CONTROLLER AT THE LOCATION INDICATED BY THE OWNER. INSTALL
CONTROLLER WITH A BACKUP BATTERY AS RECOMMENDED BY THE MANUFACTURER.
2.THE IRRIGATION CONTRACTOR SHALL COORDINATE 120 V.A.C. ELECTRICAL POWER TO
CONTROLLER AND DEDICATE ONE (1) 20-AMP BREAKER FOR EACH CONTROLLER. IT SHALL BE
THE RESPONSIBILITY OF THE IRRIGATION CONTRACTOR TO MAKE THE FINAL HOOK-UP FROM
THE ELECTRICAL SOURCE TO THE CONTROLLER UNIT ONLY.
3.ALL VALVE CONTROL WIRE SHALL BE AWG 14 TYPE UF, 600 VOLT TEST, DIRECT BURIAL. NO
SPLICES SHALL BE ALLOWED EXCEPT AT VALVES AND CONTROLLER. WHERE SPLICES MAY
BE NECESSARY DUE TO EXCESSIVELY LONG WIRE RUNS, THE CONTRACTOR SHALL MAKE ALL
SPLICES IN 6" ROUND VALVE BOXES WITH 3M'S "DBY-DIRECT BURIAL SPLICE KIT". THE
CONTRACTOR SHALL LABEL ALL WIRES WITH WATERPROOF TAGS AND MARKERS AT ALL
SPLICES AND VALVE MANIFOLDS, AND SHALL LEAVE A 24" COIL OF EXCESS WIRE AT EACH
CONNECTION.
4.PROVIDE #10 COMMON WIRE, DIRECT BURIAL, TO ALL REMOTE CONTROL VALVES.
5.CONNECT ALL DIRECT BURIAL WIRES TO VALVES USING 3M'S "DBY-DIRECT BURIAL SPLICE
KIT" (UNLESS OTHERWISE SPECIFIED).
6.PROVIDE THREE ADDITIONAL IRRIGATION CONTROL WIRES ALONG EACH BRANCH OF
MAINLINE FOR FUTURE EXPANSION. STUB ADDITIONAL CONTROL WIRES INTO BACK OF
IRRIGATION CONTROLLERS.
7.THE IRRIGATION CONTRACTOR SHALL BE RESPONSIBLE FOR INSTALLING ALL CONTROL WIRE
SLEEVES AND PIPE SLEEVES UNDER PAVED AREAS PRIOR TO PAVING - SEE SLEEVING NOTES.
R.INSTALL THE RAIN SENSOR IN THE VICINITY OF THE CONTROLLER, AND COORDINATE LOCATION
WITH THE OWNER. IT IS THE RESPONSIBILITY OF THE IRRIGATION CONTRACTOR TO ENSURE THE
RAIN SENSOR IS PLACED IN A LOCATION WHERE IT CAN RECEIVE ADEQUATE RAINFALL WITHOUT
OBSTRUCTIONS. IF IT IS PLACED IN AN INADEQUATE LOCATION, THE IRRIGATION CONTRACTOR
MAY BE REQUIRED TO RELOCATE IT AT NO ADDITIONAL COST TO THE OWNER.
S.ALL IRRIGATION EQUIPMENT NOT OTHERWISE DETAILED OR SPECIFIED SHALL BE INSTALLED AS
PER MANUFACTURER'S RECOMMENDATIONS AND SPECIFICATIONS.
T.QUALITY CONTROL
1.PERFORM COVERAGE TESTS AFTER SPRINKLER SYSTEM IS COMPLETED, BUT PRIOR TO ANY
PLANTING AND PERFORM TESTING IN THE PRESENCE OF THE IRRIGATION DESIGNER AND THE
CONSTRUCTION MANAGER.
2.TEST SYSTEM TO ASSURE THAT ALL LAWN AND PLANTING AREAS ARE WATERED
COMPLETELY AND UNIFORMLY.
3.MAKE ALL NECESSARY ADJUSTMENTS TO PROVIDE COMPLETE COVERAGE, INCLUDING
REALIGNMENT OF HEADS AND REPLACEMENT OF NOZZLES.
U.CLEAN UP
1.DURING IRRIGATION EXCAVATION AND INSTALLATION, KEEP ALL PAVEMENT CLEAN AND ALL
WORK AREAS IN A NEAT, ORDERLY CONDITION.
2.DISPOSED LEGALLY OF ALL EXCAVATED MATERIALS OFF THE PROJECT SITE.
V.INSPECTION AND ACCEPTANCE
1.UPON COMPLETION OF THE WORK, THE IRRIGATION CONTRACTOR SHALL PROVIDE THE SITE
CLEAN, FREE OF DEBRIS AND TRASH, AND SUITABLE FOR USE AS INTENDED. THE IRRIGATION
CONTRACTOR SHALL THEN REQUEST AN INSPECTION BY THE OWNER TO DETERMINE FINAL
ACCEPTABILITY.
3.WHEN THE INSPECTED WORK DOES NOT COMPLY WITH THE CONTRACT DOCUMENTS, THE
CONTRACTOR SHALL REPLACE AND/OR REPAIR THE REJECTED WORK TO THE OWNER'S
SATISFACTION WITHIN 24 HOURS.
4.THE MAINTENANCE PERIOD WILL NOT COMMENCE UNTIL THE WORK HAS BEEN RE-INSPECTED
BY THE OWNER AND FOUND TO BE ACCEPTABLE. AT THAT TIME, A WRITTEN NOTICE OF FINAL
ACCEPTANCE WILL BE ISSUED BY THE OWNER, AND THE MAINTENANCE AND GUARANTEE
PERIODS WILL COMMENCE.
5.CONTROLLER CHART: THE IRRIGATION CONTRACTOR SHALL PROVIDE A 8 12" X 11"COLOR-CODED, LAMINATED COPY OF THE IRRIGATION LAYOUT AND PLACE IT IN THE
CONTROLLER'S COVER. THE CONTROLLER CHART SHALL CLEARLY DELINEATE THE AREAS
COVERED BY EACH VALVE, USING A SEPARATE COLOR FOR EACH ZONE.
6.TURN THE FOLLOWING ITEMS IN TO THE OWNER UPON COMPLETION OF THE INSTALLATION:
a.QUICK COUPLER KEYS (2)
b.CONTROLLER MANUAL (1)
c.CONTROLLER KEYS (2)
d.A MINIMUM OF (2) COPIES OF RECORD DRAWINGS. A RECORD DRAWING IS A RECORD
OF ALL CHANGES THAT OCCURRED IN THE FIELD AND THAT ARE DOCUMENTED
THROUGH CHANGE ORDERS, ADDENDA, OR CONTRACTOR/CONSULTANT DRAWING
MARKUPS.
W.REFER TO THE PLANTING SPECIFICATIONS FOR ADDITIONAL CONDITIONS OF FINAL ACCEPTANCE
AND START OF THE MAINTENANCE PERIOD.
X.WARRANTY
1.THE IRRIGATION SYSTEM SUPPLIED AND INSTALLED SHALL BE WARRANTED (LABOR AND
MATERIALS) TO REMAIN OPERATIONAL FOR A PERIOD OF 12 MONTHS AFTER THE DATE OF
FINAL ACCEPTANCE. DURING THIS PERIOD, THE CONTRACTOR SHALL ALSO REPAIR ANY
SETTLEMENT OF THE IRRIGATION TRENCHES.
2.BY THE END OF THE WARRANTY PERIOD, ANY IRRIGATION PART THAT IS EITHER
NON-OPERATIONAL OR THAT IS OPERATING BELOW STANDARDS AS DETERMINED BY THE
OWNER, SHALL BE REMOVED FROM THE SITE AND SHALL BE REPLACED. REPLACEMENTS
SHALL BE OF THE SAME KIND AS SPECIFIED IN THE IRRIGATION LEGEND, AND SHALL BE
INSTALLED AS ORIGINALLY SPECIFIED.
3.IRRIGATION PARTS DAMAGED OR IMPAIRED DUE TO ACTS OF GOD, VANDALISM, AND/OR THE
OWNER'S IMPROPER MAINTENANCE SHALL NOT BE COVERED BY THIS WARRANTY.
GENERAL
A.QUALIFICATIONS OF IRRIGATION CONTRACTOR
1.ALL WORK SHOWN ON THESE PLANS SHALL BE PERFORMED BY A SINGLE IRRIGATION
CONTRACTING FIRM SPECIALIZING IN IRRIGATION SYSTEMS.
2.THE IRRIGATION CONTRACTOR MUST HAVE ON ITS STAFF A TEXAS LICENSED IRRIGATOR, AS
REGULATED BY THE TEXAS COMMISSION ON ENVIRONMENTAL QUALITY. A LICENSED
IRRIGATOR OR LICENSED IRRIGATION INSTALLER SHALL BE PRESENT AT THE PROJECT SITE
AT ALL TIMES AS WORK IS IN PROGRESS. THE OWNER MAY DEMAND THAT WORK STOP UNTIL
THE CONTRACTOR PROVIDES FOR A LICENSED IRRIGATOR OR LICENSED IRRIGATION
INSTALLER TO BE PRESENT AT THE PROJECT SITE AND SUPERVISING ALL IRRIGATION WORK.
3.A LIST OF SUCCESSFULLY COMPLETED PROJECTS OF THIS TYPE, SIZE AND NATURE MAY BE
REQUESTED BY THE OWNER FOR FURTHER QUALIFICATION MEASURES.
B.SCOPE OF WORK
1.WORK COVERED BY THESE SECTIONS INCLUDES THE FURNISHING AND PAYMENT OF ALL
MATERIALS, LABOR, SERVICES, EQUIPMENT, LICENSES, TAXES AND ANY OTHER ITEMS THAT
ARE NECESSARY FOR THE EXECUTION, INSTALLATION AND COMPLETION OF ALL WORK,
SPECIFIED HEREIN AND / OR SHOWN ON THE IRRIGATION PLANS, NOTES, AND DETAILS.
2.ALL WORK SHALL BE PERFORMED IN ACCORDANCE WITH ALL APPLICABLE LAWS, CODES AND
REGULATIONS REQUIRED BY AUTHORITIES HAVING JURISDICTION OVER SUCH WORK,
INCLUDING ALL INSPECTIONS AND PERMITS REQUIRED BY FEDERAL, STATE AND LOCAL
AUTHORITIES IN SUPPLY, TRANSPORTATION AND INSTALLATION OF MATERIALS.
3.THE INTENT OF THE IRRIGATION SYSTEM IS TO PROVIDE 100% COVERAGE OF ALL LANDSCAPE
AREAS. THE IRRIGATION PLAN IS GENERALLY DIAGRAMMATIC; COORDINATE IRRIGATION
INSTALLATION WITH UTILITY INSTALLATIONS. ACTUAL LOCATION OF CONTROLLER,
BACKFLOW DEVICE, PIPING, VALVES, SPRAY HEADS, DRIP IRRIGATION, AND RELATED
EQUIPMENT MAY NEED TO BE ADJUSTED BASED ON ACTUAL SITE CONDITIONS.
4.THE IRRIGATION DESIGN IS DIAGRAMMATIC. ALL PIPING, VALVES, AND OTHER EQUIPMENT
SHOWN WITHIN PAVED AREAS OR OUT OF PROPERTY BOUNDARIES ARE FOR DESIGN
CLARIFICATION ONLY, AND SHALL BE INSTALLED IN PLANTING AREAS WITHIN THE PROPERTY
LINES OR LIMITS INDICATED ON THE PLAN. THE IRRIGATION CONTRACTOR SHALL VERIFY THE
LOCATIONS OF ALL ABOVE-GRADE IRRIGATION EQUIPMENT WITH THE OWNER'S AUTHORIZED
REPRESENTATIVE PRIOR TO INSTALLATION, OR IRRIGATION CONTRACTOR MAY BE REQURED
TO MOVE SUCH ITEMS AT HIS OWN COST.
5.FOR CLARITY PURPOSES, SOME IRRIGATION LINES AND EQUIPMENT ARE SHOWN IN
HARDSCAPE AREAS WITHOUT ACCESS SLEEVES; THESE LINES SHALL BE INSTALLED IN A
COMMON TRENCH OR AT THE BACK OF CURB IN LANDSCAPE AREAS. MINOR FIELD
ADJUSTMENTS SHALL BE MADE AT NO ADDITIONAL COST TO THE OWNER.
PRODUCTS
A.ALL MATERIALS SHALL BE NEW AND WITHOUT FLAWS OR DEFECTS OF ANY TYPE AND SHALL BE
THE BEST OF THEIR CLASS AND KIND. ALL MATERIALS SHALL HAVE A MINIMUM GUARANTEE OF
ONE YEAR AGAINST MATERIAL DEFECTS OR DEFECTIVE WORKMANSHIP. ALL MATERIALS SHALL BE
OF THE BRANDS AND TYPES NOTED ON THE DRAWINGS OR AS SPECIFIED HEREIN, OR APPROVED
EQUAL. THE CONTRACTOR MUST FIRST OBTAIN APPROVAL FROM THE IRRIGATION DESIGNER FOR
AN 'APPROVED EQUAL' BEFORE INSTALLING SUCH MATERIALS IN THE FIELD, OR THE CONTRACTOR
MAY BE REQUIRED TO REPLACE SUCH MATERIALS AT HIS OWN COST.
B.BACKFLOW PREVENTION DEVICES SHALL BE OF THE SIZE AND TYPE INDICATED ON THE DRAWINGS.
INSTALL BACKFLOW PREVENTION UNITS IN ACCORDANCE WITH IRRIGATION CONSTRUCTION
DETAILS AND ALL APPLICABLE STATE AND LOCAL CODES AND ORDINANCES.
C.PIPING
1.PRESSURE SUPPLY LINES, DOWNSTREAM OF THE POINT-OF-CONNECTION:
a.SCHEDULE 40 PVC FOR ALL PIPE 1-1/2" OR LESS
b.CLASS 315 PVC FOR ALL PIPE 2" TO 2-1/2"
c.CLASS 200 PVC, GASKETED, FOR ALL PIPE 3" AND LARGER
2.SLEEVING AND NON-PRESSURE LATERAL LINES (DOWNSTREAM FROM VALVES): CLASS 200
PVC
3.FITTINGS: SCH. 40 PVC, EXCEPT AS NOTED OTHERWISE.
D.VALVES AND DRIP VALVE ASSEMBLIES: TYPE AND SIZE AS NOTED ON PLANS. EACH VALVE SHALL
BEAR A PRE-MANUFACTURED, NUMBERED WATERPROOF TAG BEARING A NUMBER
CORRESPONDING TO ITS VALVE SEQUENCE OF OPERATION ON THE CONTROLLER. THE
OPERATION SEQUENCE SHALL MATCH THAT AS SHOWN ON THE PLANS.
E.QUICK COUPLERS, BALL VALVES, AND GATE VALVES: TYPE AND SIZE PER PLANS.
F.VALVE BOXES: TYPE AND SIZE AS NOTED ON DETAILS. ALL VALVES BOXES SHALL BE LOCKING
BOLT-DOWN TYPE, FURNISHED WITH LIDS AND BOLTS. BOXES SHALL BE OF A SIZE TO CONTAIN
THE ENTIRE VALVE AND/OR VALVE ASSEMBLY. THE VALVE BOX LID SHALL HAVE THE VALVE
STATION NUMBER HEAT-BRANDED INTO THE LID WITH 2" HIGH LETTERS.
G.FIXED SPRAY HEADS AND ROTORS: PLASTIC BODY POP-UP, WITH A REMOVABLE PLASTIC SPRAY
NOZZLE. EXACT TYPE, MODEL, AND NOZZLE SHALL BE AS INDICATED ON PLANS.
H.INTEGRAL EMITTER DRIP TUBING: TUBING MODEL AND FLOW RATE AS NOTED ON PLANS, WITH
INTEGRAL EMITTERS WELDED TO THE INSIDE WALL OF THE TUBING AS AN INTEGRAL PART OF THE
TUBING ASSEMBLY.
I.AUTOMATIC CONTROLLER: TYPE AND MODEL PER PLANS. PROVIDE VANDAL-PROOF ENCLOSURE
FOR ALL EXTERIOR INSTALLATIONS. PROVIDE LINE-VOLTAGE DISCONNECT SWITCH WITH GROUND
FAULT PROTECTION.
J.24 VOLT VALVE WIRE SHALL BE A MINIMUM OF #14 GAUGE, U.F. APPROVED FOR DIRECT BURIAL,
SINGLE CONDUCTOR IRRIGATION WIRE. EACH CONTROLLER SHALL HAVE A DIFFERENT COLOR
STATION AND COMMON WIRE.
1.STATION WIRE - ANY COLOR EXCEPT WHITE OR BLUE
2.COMMON WIRE - WHITE
3.EXTRA COMMON WIRES - BLUE
K.WIRE SPLICES SHALL BE ENCASED IN A WATERPROOF COMPOUND OR GEL. ALL FIELD SPLICES
SHALL BE LOCATED IN A 6 INCH ROUND VALVE BOX.
L.RAIN SENSOR: TYPE AND MODEL PER PLANS.
METHODS
A.THIS DESIGN IS DIAGRAMMATIC. ALL PIPING, VALVES, AND OTHER EQUIPMENT SHOWN WITHIN
PAVED AREAS OR OUT OF PROPERTY BOUNDARIES ARE FOR DESIGN CLARIFICATION ONLY, AND
SHALL BE INSTALLED IN PLANTING AREAS WITHIN THE PROPERTY LINES OR LIMITS INDICATED ON
PLAN. THE IRRIGATION CONTRACTOR SHALL VERIFY THE LOCATIONS OF ALL ABOVE-GRADE
IRRIGATION EQUIPMENT WITH THE OWNER'S AUTHORIZED REPRESENTATIVE PRIOR TO
INSTALLATION, OR IRRIGATION CONTRACTOR MAY BE REQURED TO MOVE SUCH ITEMS AT HIS OWN
COST. ENSURE FIELD COORDINATION IS MADE EARLY ON IN THE CONSTRUCTION PHASE SO
PLACEMENT LOCATION IS CORRECT.
B.THE IRRIGATION CONTRACTOR SHALL MEET WITH THE OWNER'S REPRESENTATIVE PRIOR TO
COMMENCEMENT OF WORK, AND SHALL OBTAIN ALL ENGINEERING, LANDSCAPE, AND OTHER
APPLICABLE PLANS & DOCUMENTS. THE CONTRACTOR SHALL THOROUGHLY REVIEW THE PLANS
AND REPORT ANY CONFLICTS OR DISCREPANCIES TO THE LANDSCAPE ARCHITECT AND OWNER'S
REPRESENTATIVE IMMEDIATELY.
C.THE IRRIGATION CONTRACTOR SHALL NOT WILFULLY INSTALL THE IRRIGATION SYSTEM AS SHOWN
ON THE DRAWINGS WHEN IT IS OBVIOUS IN THE FIELD THAT UNKNOWN OBSTRUCTIONS, GRADES
OR DIMENSIONS EXIST THAT MIGHT NOT HAVE BEEN CONSIDERED IN THE ENGINEEERING. SUCH
OBSTRUCTIONS OR DIFFERENCES SHALL BE BROUGHT TO THE ATTENTION OF THE IRRIGATION
DESIGNER. IN THE EVENT THAT THIS NOTIFICATION IS NOT PERFORMED, THE IRRIGATION
CONTRACTOR SHALL ASSUME FULL RESPONSIBILITY FOR ANY REVISIONS AND NECESSARY COSTS.
D.SEE UTILITY PLANS FOR IRRIGATION POINTS OF CONNECTION (TAP) AND DOMESTIC WATER
SUPPLY.
E.THE IRRIGATION CONTRACTOR SHALL PAY ANY AND ALL FEES ASSOCIATED WITH THE
INSTALLATION OF THE IRRIGATION SYSTEM.
F.AT LEAST SEVEN DAYS BEFORE BEGINNING WORK, CONFIRM THE STATIC WATER PRESSURE IS AT
LEAST 90 PSI. IF STATIC WATER PRESSURE IS LESS THAN STATED, DO NOT PROCEED WITHOUT
FIRST NOTIFYING THE IRRIGATION DESIGNER AND OWNER IN WRITING, AND OBTAINING
SUBSEQUENT DIRECTION FOR CORRECTIONAL MEASURES. SHOULD THE IRRIGATION
CONTRACTOR CHOOSE TO BEGIN THE INSTALLATION WITHOUT SUCH NOTIFICATION, THE
IRRIGATION CONTRACTOR WILL ASSUME THE RESPONSIBILITY FOR ALL COSTS INCURRED TO
ENSURE THE SYSTEM IS WORKING PROPERLY. NO CHANGE ORDERS WILL BE AUTHORIZED IN
SUCH CIRCUMSTANCES.
G.THE IRRIGATION CONTRACTOR SHALL VERIFY THE LOCATION OF ALL UNDERGROUND UTILITY LINES
(WATER, SEWER, ELECTRICAL, TELEPHONE, GAS, CABLE, TELEVISION, ETC.) PRIOR TO THE START
OF ANY WORK. THE CONTRACTOR SHALL BE FAMILIAR WITH ALL GRADE DIFFERENCES, LOCATIONS
OF WALLS, STRUCTURES AND UTILITIES.
H.COORDINATE WITH THE OWNER THE PROPOSED LOCATIONS OF THE AUTOMATIC CONTROLLER
AND ANY REQUIRED SLEEVES THROUGH THE BUILDING FOR CONTROL WIRES.
I.TRENCHING NEAR EXISTING TREES:
1.CONTRACTOR SHALL NOT DISTURB ROOTS 1-1/2" AND LARGER IN DIAMETER WITHIN THE
CRITICAL ROOT ZONE (CRZ) OF EXISTING TREES, AND SHALL EXERCISE ALL POSSIBLE CARE
AND PRECAUTIONS TO AVOID INJURY TO TREE ROOTS, TRUNKS, AND BRANCHES. THE CRZ IS
DEFINED AS A CIRCULAR AREA EXTENDING OUTWARD FROM THE TREE TRUNK, WITH A
RADIUS EQUAL TO 1' FOR EVERY 1" OF TRUNK DIAMETER-AT-BREAST-HEIGHT (4.5' ABOVE THE
AVERAGE GRADE AT THE TRUNK).
2.ALL EXCAVATION WITHIN THE CRZ SHALL BE PERFORMED USING HAND TOOLS. NO MACHINE
EXCAVATION OR TRENCHING OF ANY KIND SHALL BE ALLOWED WITHIN THE CRZ.
3.ALTER ALIGNMENT OF PIPE TO AVOID TREE ROOTS 1-1/2" AND LARGER IN DIAMETER. WHERE
TREE ROOTS 1-1/2" AND LARGER IN DIAMETER ARE ENCOUNTERED IN THE FIELD, TUNNEL
UNDER SUCH ROOTS. WRAP EXPOSED ROOTS WITH SEVERAL LAYERS OF BURLAP AND KEEP
MOIST. CLOSE ALL TRENCHES WITHIN THE CANOPY DRIP LINES WITHIN 24 HOURS.
4.ALL SEVERED ROOTS SHALL BE HAND PRUNED WITH SHARP TOOLS AND ALLOWED TO
AIR-DRY. DO NOT USE ANY SORT OF SEALERS OR WOUND PAINTS.
117 VAC, 60 HZ EXTERNAL PLUG-IN
TRANSFORMER
WIRES TO REMOTE CONTROL VALVES
1.5-INCH PVC SCH 40 CONDUIT AND
FITTINGS
CONTROLLER PER LEGEND
A SCALE: NTS
CONTROLLER - WALL MOUNT, INTERIOR
4
INSIDE WALL
LU
4
1
2
3
3
2
1
B SCALE: NTS
RAIN SENSOR, ROOF MOUNT
AUTOMATIC RAIN SENSOR -
INSTALL PER MANUFACTURER'S
INSTRUCTIONS
PARAPET OR EAVE
2
1
1
2
C SCALE: NTS
BACKFLOW PREVENTER
SCH. 40 PVC THREADED ELL
SCH. 40 PVC TEE OR ELL
SCH. 40 PVC ELL
PVC SCH 80 NIPPLE
(LENGTH AS REQUIRED)
PVC MAINLINE PIPE
3-INCH MINIMUM DEPTH OF
3/4-INCH WASHED GRAVEL
BRICK (1 OF 4)
PVC LATERAL PIPE
PVC SCH 40 MALE ADAPTER (2)
PVC UNION (2)
FINISHED GRADE-1" BELOW
TOP OF BOX IN TURF AREAS,
2" IN SHRUB AREAS
TOP OF MULCH
JUMBO PLASTIC VALVE BOX
BY CARSON (OR EQUAL)
REMOTE CONTROL VALVE
ASSEMBLY
WATERPROOF CONNECTION
(ANY APPROVED)
30-INCH LINEAR LENGTH
OF WIRE, COILED
12
"
M
I
N
.
MA
I
N
L
I
N
E
D
E
P
T
H
D SCALE: NTS
DRIP CONTROL ZONE KIT
16
131415
7
12 10
8
9
11
4 65321
16
15
14
13
12
11
10
8
9
7
6
3
5
4
2
1
E SCALE: NTS
REMOTE CONTROL VALVE
21
SCH. 40 PVC ELL
16
12
TOP OF MULCH
12
"
M
I
N
.
MA
I
N
L
I
N
E
D
E
P
T
H
16 15 14 13
11
10
9
5
8
7
6
43
3-INCH MINIMUM DEPTH OF
34-INCH WASHED GRAVEL
PVC LATERAL PIPE
PVC SCH 40 MALE ADAPTER
PVC SCH 40 TEE OR ELL
PVC MAINLINE PIPE
BRICK (1 OF 4)
30-INCH LINEAR LENGTH
OF WIRE, COILED
WATERPROOF CONNECTION
(ANY APPROVED)
REMOTE CONTROL VALVE
JUMBO PLASTIC VALVE BOX
BY CARSON (OR EQUAL)
FINISHED GRADE-1" BELOW TOP OF
BOX IN TURF AREAS, 2" IN SHRUB
AREAS
PVC SCH 80 NIPPLE (CLOSE)
PVC SCH 40 ELL
PVC SCH 80 NIPPLE
(LENGTH AS REQUIRED)
15
14
13
12
11
10
8
9
7
6
3
5
4
2
1
IRRIGATION SPECIFICATIONS
8" MIN.
6" MIN.
TO POINT OF CONNECTION -
ADAPT AS NECESSARY. ALL
WORK SHALL CONFORM TO ALL
APPLICABLE CODES
BRASS WYE STRAINER W/60 MESH
SCREEN
ENCLOSURE PER IRRIGATION
LEGEND
BACKFLOW PREVENTER UNIT
BRASS UNION (TYPICAL)
PRESSURE REDUCER
BRASS NIPPLES (TYPICAL)
4" CONCRETE PAD, SLOPE TO
DRAIN AWAY FROM BACKFLOW
PREVENTER
FINISH GRADE, 2" BELOW PAD
BRASS COUPLING
PVC ADAPTER AND MAINLINE PIPE
12"X12"X24" THRUST BLOCK
1
2
3
4
5
6
7
8
9
10
11
2
3
4
5
7
8
9
10
11
12
1
12
"
M
I
N
,
3
0
"
M
A
X
(R
E
F
E
R
T
O
L
O
C
A
L
C
O
D
E
S
)
6
12