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o GENERAL IRRIGATION SPECIFICATIONS
NGENERAL
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. SEE THE IRRIGATION PLAN FOR
0 SPECIFIC EQUIPMENT AND SYSTEM LAYOUT.
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2. THE IRRIGATION CONTRACTOR MUST HAVE ON ITS STAFF A LICENSED IRRIGATION
INSTALLER, AS REGULATED BY THE APPROPRIATE LOCAL JURISDICTION. A 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 IRRIGATION INSTALLER TO BE PRESENT AT THE PROJECT SITE
AND SUPERVISING ALL IRRIGATION WORK.
O 3. A LIST OF SUCCESSFULLY COMPLETED PROJECTS OF THIS TYPE, SIZE AND NATURE MAY BE
�J REQUESTED BY THE OWNER FOR FURTHER QUALIFICATION MEASURES.
v B. SCOPE OF WORK
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1. WORK COVERED BY THESE SECTIONS INCLUDES THE FURNISHING AND PAYMENT OF ALL
N MATERIALS, LABOR, SERVICES, EQUIPMENT, LICENSES, TAXES, FEES, AND ANY OTHER
LL ITEMS THAT ARE NECESSARY FOR THE EXECUTION, INSTALLATION AND COMPLETION OF
Q ALL WORK, SPECIFIED HEREIN AND/OR SHOWN ON THE IRRIGATION PLANS, NOTES, AND
n DETAILS.
2. ALL WORK SHALL BE PERFORMED IN ACCORDANCE WITH ALL APPLICABLE LAWS, CODES
AND REGULATIONS REQUIRED BY AUTHORITIES HAVING JURISDICTION OVER SUCH WORK,
O INCLUDING ALL INSPECTIONS AND PERMITS REQUIRED BY FEDERAL, STATE AND LOCAL
AUTHORITIES IN SUPPLY, TRANSPORTATION AND INSTALLATION OF MATERIALS. IN CASE OF
CONFLICT BETWEEN THESE PLANS AND LOCAL AND/OR STATE CODES, CODES SHALL
PREVAIL.
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3. THE INTENT OF THE IRRIGATION SYSTEM IS TO PROVIDE 100% COVERAGE OF ALL
LANDSCAPE AREAS. THE IRRIGATION PLAN IS GENERALLY DIAGRAMMATIC; COORDINATE
CD 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. 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): SCH 40 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. WIRING: 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: 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 AND PERMITS ASSOCIATED WITH
THE INSTALLATION OF THE IRRIGATION SYSTEM.
F. AT LEAST SEVEN DAYS BEFORE BEGINNING WORK, CONFIRM THE STATIC WATER PRESSURE IS AT
LEAST 55 PSI AND LESS THAN 70 PSI. IF STATIC WATER PRESSURE IS OUTSIDE OF THE STATED
RANGE, 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.
P.
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.
J. BACKFILL
Q.
1. ALL BACKFILL MATERIAL SHALL BE SUBJECT TO APPROVAL BY THE OWNER. BACKFILL
MATERIAL SHALL BE FREE FROM RUBBISH, ROCK LARGER THAN 1", LARGE STONES, BRUSH,
SOD, FROZEN MATERIAL OR OTHER UNSUITABLE SUBSTANCES THAT MAY DAMAGE PIPE
DURING THE BACKFILLING OPERATIONS. SEPARATE OUT ROCKS LARGER THAN 1 INCH IN
ANY DIRECTION FROM EXCAVATED MATERIAL, AND REMOVE FROM AREAS TO RECEIVE
R.
LANDSCAPING. COVER FOR BOTH TOP AND SIDES OF PIPE SHALL BE A MINIMUM OF 2
INCHES OF ROCK -FREE SOIL, SAND, OR OTHER APPROVED MATERIAL.
S.
2. 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 PREVENTER 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 PREVENTER HEIGHT SHALL BE AS PER LOCAL CODES AND IRRIGATION
DETAILS. INSTALL A BRASS BALL VALVE IMMEDIATELY UPSTREAM OF THE BACKFLOW DEVICE TO
T.
SERVE AS AN ISOLATION VALVE. TO EVERY EXTENT POSSIBLE, INSTALL BACKFLOW PREVENTER
ION A LOCATION SCREENED FROM PUBLIC VIEW (SUCH AS BEHIND A SHRUB ROW).
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
U.
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:
1. VALVES SHALL BE INSTALLED PER MANUFACTURER'S DIRECTIONS AND THE IRRIGATION
DETAILS.
2. VALVE BOXES SHALL BE INSTALLED FLUSH WITH THE GRADE, WITH CLEAN PEA GRAVEL
LOCATED BELOW THE VALVE AS NOTED ON THE DETAILS. LOCATE BOXES WITHIN 12 TO 241,
OF SIDEWALKS OR LANDSCAPE EDGES, WITH TOPS OF BOXES 1" ABOVE FINISH GRADE IN
TURF, AND 3" ABOVE FINISH GRADE IN SHRUB AREAS (TO AVOID BEING COVERED BY
MULCH).
3. EACH VALVE BOX COVER SHALL BE HEAT -BRANDED WITH THE CONTROLLER STATION
NUMBER.
4. DO NOT INSTALL MORE THAN TWO VALVES IN A JUMBO BOX.
N. DRIP IRRIGATION EQUIPMENT SHALL BE INSTALLED PER MANUFACTURER'S DIRECTIONS AND THE
IRRIGATION DETAILS.
V.
1. SUBSURFACE DRIP LINES SHALL BE BURIED NO MORE THAN 2" BELOW FINISH GRADE.
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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.
O. SPRAY, ROTOR, AND BUBBLER HEADS:
1 I CCP SUBMITTAL #1 1 05/10
NO. I REVISION I BY I DATE
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
FLEX PVC. 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.
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
CONTROLLERS 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.
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.
ALL IRRIGATION EQUIPMENT NOT OTHERWISE DETAILED OR SPECIFIED SHALL BE INSTALLED AS
PER MANUFACTURER'S RECOMMENDATIONS AND SPECIFICATIONS.
QUALITY CONTROL
1. PERFORM COVERAGE TESTS AFTER IRRIGATION 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.
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.
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.
2. 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.
3. 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.
4. CONTROLLER CHART: THE IRRIGATION CONTRACTOR SHALL PROVIDE A 11" X 17"
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.
5. TURN THE FOLLOWING ITEMS IN TO THE OWNER UPON COMPLETION OF THE INSTALLATION
(IF APPLICABLE):
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.
REFER TO THE PLANTING SPECIFICATIONS FOR ADDITIONAL CONDITIONS OF FINAL ACCEPTANCE
AND START OF THE MAINTENANCE PERIOD.
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
SURVEYED: 04/01/21
SCALE:
DESIGNED:
AD/CH/NW
DRAWN: AD/CH/NW
CHECKED: CM
AP P R
APPROVED:
AS SHOWN
ONE INCH
AT FULL SCALE
IF NOT ONE INCH
SCALE ACCORDINGLY
VERTICAL: NAVD 1988
HORIZONTAL: NAD 1983/1991
DATU M
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.
Y. SHOULD THE PERMITTING JURISDICTION REQUIRE AN IRRIGATION AUDIT, THE IRRIGATION
CONTRACTOR SHALL RETAIN THE SERVICES OF A THIRD -PARTY CERTIFIED LANDSCAPE IRRIGATION
AUDITOR, AT NO ADDITIONAL COST TO THE OWNER.
*IRRIGATION NOTICE TO CONTRACTOR*
THE SYSTEM DESIGN IS INTENDED TO UTILIZE AN EXISTING IRRIGATION SYSTEM, WITH NEWLY
INSTALLED IRRIGATION VALVES, PIPE, FITTINGS, AND OTHER APPURTENANCES AS NECESSARY TO
COMPLETE THE IRRIGATION SYSTEM. THERE IS AN EXISTING IRRIGATION SYSTEM ON SITE,
HOWEVER, THE EXTENTS OF THE IRRIGATION SYSTEM, THE LOCATION OF EXISTING VALVES, AND
THE LAYOUT OF THE EXISTING IRRIGATION PIPE IS UNKNOWN. AS -BUILT DRAWINGS WERE NOT
AVAILABLE FOR REVIEW.
CONTRACTOR SHALL EVALUATE AND VERIFY EXTENTS OF THE EXISTING IRRIGATION SYSTEM
(INCLUDING TRACING WIRE) AND SHALL MAINTAIN CONNECTIVITY AND FUNCTIONALITY OF SYSTEM
COMPONENTS BEYOND SHOWN IMPROVEMENTS PRIOR TO DEMOLITION. MATCH EQUIPMENT WITH
EXISTING. ALL NEW TREES SHALL HAVE A DRIP SYSTEM ZONED SEPARATELY FROM SHRUB
AND/OR TURF AREAS. CONTRACTOR SHALL ADJUST ALL HEADS TO AVOID OVERSPRAY ONTO
PAVED AREAS OR BUILDING.
FOR ANY MODIFICATIONS OR ADDITIONS TO THE SCHEMATIC LAYOUT SHOWN THAT MAY BE
REQUIRED BY ACTUAL FIELD CONDITIONS, CONTRACTOR SHALL NOTIFY OWNER IN WRITING FOR
APPROVAL PRIOR TO BEGINNING CONSTRUCTION. IN THE CASE ADDITIONAL MODIFICATIONS ARE
REQUIRED, CONTRACTOR SHALL PROVIDE SHOP DRAWINGS OF PROPOSED PLAN CHANGES.
COORDINATE RELOCATION, REROUTE, AND RECONNECTION OF EXISTING EQUIPMENT AS
REQUIRED TO RETURN SITE IRRIGATION OPERATION TO 100% WITHIN 48-HOURS FOLLOWING
INITIAL DISTURBANCE AND SHUT-OFF OF EXISTING SYSTEM.
IRRIGATION DISCLAIMER
UNLESS OTHERWISE SPECIFIED, THE AUTOMATIC SPRINKLER IRRIGATION SYSTEM LAYOUT AS
SHOWN ON THE PLANS SHALL BE CONSIDERED SCHEMATIC. THE CONTRACTOR SHALL LAY OUT THE
ENTIRE SYSTEM USING STAKES TO INDICATE THE LOCATION OF THE VARIOUS COMPONENTS.
PRELIMINARY ADJUSTMENTS TO CONFORM TO ACTUAL SITE CONDITION SHALL BE ACCOMPLISHED
AT THIS TIME AND THE APPROVAL OF THE OWNER'S REPRESENTATIVE OBTAINED PRIOR TO ANY
ACTUAL WORK BEING PERFORMED. UTILITY CONNECTIONS, BOTH WATER AND ELECTRICAL, SHALL
BE AS SHOWN ON THE PLANS OR AS DESIGNATED BY THE UTILITY CONCERNED. UNLESS
SPECIFICALLY EXEMPTED IN THE PLANS OR SPECIFICATIONS, THE CONTRACTOR SHALL PAY ALL
COSTS CONCERNED IN PROVIDING THESE SERVICES.
THE LAYOUT AND LOCATION SHOWN FOR DRIP EMITTERS IS DIAGRAMMATIC, AND USED TO
CALCULATE SYSTEM FLOWS, ZONE SIZES, ETC. CONTRACTOR SHALL PROVIDE AND INSTALL DRIP
EMITTERS WITH THE APPROPRIATE FLOW RATES AND OPEN OUTLETS TO PROVIDE IRRIGATION TO
ALL PROPOSED PLANTINGS, BASED ON ACTUAL FIELD LOCATIONS OF PLANTINGS. CONTRACTOR
SHALL BE RESPONSIBLE FOR INSTALLING EMITTERS PER APPLICABLE JURISDICTION DETAILS,
SPECIFICATIONS, AND REQUIRED DISTRIBUTION TUBING LENGTH REQUIREMENTS. ADDITIONAL
AND/OR ALTERNATE EMITTERS MAY BE REQUIRED.
IRRIGATION CONTROLLER NOTE
THE LOCATION OF THE EXISTING CONTROLLER IS UNKNOWN, AND COULD NOT BE VERIFIED ON SITE.
CONTRACTOR TO FIELD LOCATE EXISTING CONTROLLER. CONFIRM CAPACITY OF EXISTING
CONTROLLER FOR NEW STATIONS PROPOSED. PROVIDE AND INSTALL WIRE CONNECTIONS FOR
EACH NEW VALVE TO EXISTING CONTROLLER. PROVIDE AND INSTALL WIRE SLEEVES WHERE
REQUIRED, SEE NOTE. PROVIDE AND INSTALL ALL EQUIPMENT NECESSARY TO ADAPT TO EXISTING
CONTROLLER, INCLUDING *BUT NOT LIMITED TO) STATION MODULES, DECODER(S), SENSORS, ETC.
IRRIGATION SLEEVING / WIRING
SLEEVES SHALL BE PROVIDED AND INSTALLED FOR ALL PIPING AND WIRING UNDER ROADWAYS,
WALKWAYS, AND OTHER HARDSCAPE FEATURES GREATER THAN 24" IN WIDTH. SLEEVES FOR
CONTROL WIRES SHALL BE 2" DIA. SCH 40 PVC AND CONTAIN NO MORE THAN 25 WIRES PER SLEEVE.
FOR PLAN CLARITY, SLEEVE LOCATIONS AND SYMBOLS ARE REPRESENTATIVE AND DIAGRAMMATIC;
COORDINATE SLEEVE LOCATIONS WITH GENERAL CONTRACTOR.
C TY OF
RENTON
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IN COMPLIANCE WITH CITY OF RENTON STANDARDS J
CURRENT PLANNING
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600 SW 10TH PARKING LOT
IRRIGATION NOTES
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DATE:
03/26/2024
FIELDBOOK:
PAGE:
DRAWING NO:
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L-302
0
SHEET: 27 OF: 27
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