HomeMy WebLinkAboutR-417980IRRIGATION SPECIFICATIONS
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PART 1. GENERAL
1.1 SCOPE OF WORK
A. FURNISH AND INSTALL A COMPLETE PERMANENT UNDERGROUND IRRIGATION SYSTEM TO PROVIDE ADEQUATE IRRIGATION OF ALL AREAS SHOWN ON THE IRRIGATION PLAN.
1.2 WORK INCLUDED
A. FURNISH ALL LABOR, MATERIALS, TOOLS AND EQUIPMENT AS NECESSARY FOR PROPER EXECUTION AND COMPLETION OF ALL IRRIGATION WORK. RECORD DRAWINGS SHALL BE COMPILED BY IRRIGATION
CONTRACTOR.
B. IRRIGATION SYSTEM LAYOUT IS DIAGRAMMATIC. EXACT LOCATIONS OF PIPING, DRIPLINE, SPRINKLER HEADS, VALVES, AND OTHER COMPONENTS SHALL BE ESTABLISHED BY CONTRACTOR IN THE FIELD AT TIME
OF INSTALLATION. MINOR ADJUSTMENTS IN SYSTEM LAYOUT WILL BE PERMITTED TO CLEAR EXISTING FIXED OBSTRUCTIONS
C. ANY IRRIGATION RE -DESIGN WORK OR SHOP DRAWINGS SHALL BE REVIEWED AND APPROVED BY THE OWNER'S REPRESENTATIVE PRIOR TO CONSTRUCTION. DRAWINGS MUST BE NEATLY DRAFTED (ON MYLAR
OR IN AN ELECTRONIC FORMAT (AUTOCAD 2000 OR LATER)) AND INCLUDE ALL NECESSARY INFORMATION FOR A COMPLETE DESIGN REVIEW.
1.3 RELATED WORK
A. ROUGH GRADING: SITE TO BE CLEARED, GRUBBED AND SUB -GRADES SET BY GENERAL CONTRACTOR PRIOR TO INSTALLATION OF IRRIGATION SYSTEM.
B. GENERAL CONTRACTOR TO SUPPLY AND INSTALL WATER SERVICE CONNECTION AND WATER METER, WITH THREADED STUB -OUT AT DISCHARGE SIDE OF WATER METER TO CORRESPOND TO IRRIGATION SYSTEM
MAINLINE PIPE SIZE.
C. GENERAL CONTRACTOR TO SUPPLY 110 VOLT POWER TO CONTROLLER; AND TO PROVIDE ANY SLEEVING REQUIRED TO PENETRATE STRUCTURES OR WALLS.
D. GENERAL CONTRACTOR TO SUPPLY ALL SLEEVES FOR IRRIGATION SYSTEMS AT TWO (2) TIMES DIAMETER OF LINE SIZE MINIMUM.
E. ANY CHANGES AND/ OR ADJUSTMENTS TO LOCATIONS OF SLEEVES, ONCE INSTALLED, SHALL BE DONE AT THE EXPENSE OF THE GENERAL CONTRACTOR.
1.4 RESPONSIBILITY
A. THE IRRIGATION CONTRACTOR WILL BE REQUIRED PER STATE LAW TO CALL THE UNDERGROUND UTILITIES LOCATOR SERVICE AT (1-800-424-5555) BEFORE WORK COMMENCES. THE IRRIGATION CONTRACTOR
O SHALL BE HELD RESPONSIBLE FOR ANY DAMAGE TO AND PROTECTION OF EXISTING UTILITIES AND STRUCTURES. THE IRRIGATION CONTRACTOR WILL ALSO COMPLY WITH THE FOLLOWING CODES AND
STANDARDS:
1. THE LOCAL JURISDICTIONAL ORDINANCES AND BUILDING CODES;
2. NATIONAL ELECTRICAL CODE;
V 3. AMERICAN SOCIETY FOR TESTING AND MATERIALS, (ASTM);
4. NATIONAL SANITATION FOUNDATION, (NSF);
5. EXCAVATING, BACKFILLING, AND COMPACTING OPERATIONS;
6. PROTECT EXISTING TREES, PLANTS, LAWNS, AND OTHER FEATURES DESIGNATED TO REMAIN AS PART OF THE FINAL LANDSCAPE WORK.
7. OBTAIN OWNER'S REPRESENTATIVE'S ACCEPTANCE OF INSTALLED AND TESTED IRRIGATION SYSTEM PRIOR TO INSTALLING BACKFILL MATERIALS. NOTIFICATION
MUST PRECEDE REQUESTED INSPECTION BY 24 HOURS.
B. THE IRRIGATION CONTRACTOR IS RESPONSIBLE FOR ALL DAMAGES TO THE GROUNDS, WALKS, CURBS, ROADS, BUILDINGS, EXISTING VEGETATION, PIPING SYSTEMS, ELECTRICAL SYSTEMS AND THEIR
EQUIPMENT AND CONTENTS CAUSED BY LEAKS IN THE IRRIGATION SYSTEM BEING INSTALLED OR HAVING BEEN INSTALLED BY THEM. THE IRRIGATION CONTRACTOR SHALL REPAIR ALL DAMAGES AT THEIR
EXPENSE AND IN A MANNER WHICH IS SATISFACTORY TO THE GENERAL CONTRACTOR AND THE OWNER.
1.5 QUALIFICATION OF INSTALLER
A. CONTRACTOR MUST BE A LICENSED AND/OR BONDED IRRIGATION CONTRACTOR. THE IRRIGATION SYSTEM MUST BE INSTALLED BY AN EXPERIENCED IRRIGATION INSTALLER.
1.6 VERIFICATION
A. BEFORE PROCEEDING WITH ANY WORK, THE IRRIGATION CONTRACTOR SHALL INSPECT THE SITE, CAREFULLY CHECK ALL GRADES AND VERIFY ALL DIMENSIONS AND CONDITIONS AFFECTING THE WORK TO
SATISFY HIMSELF THAT HE MAY PROCEED SAFELY AND ACCEPT THE SITE AS READY FOR HIS WORK TO BEGIN.
1.7 PIPE SLEEVES
A. PROVIDED AND INSTALLED BY THE GENERAL CONTRACTOR WHERE IRRIGATION LINES CROSS WALKS, SIDEWALKS, DRIVEWAYS AND/OR PARKING LOTS. THE IRRIGATION CONTRACTOR SHALL COORDINATE
LOCATION AND INSTALLATION OF PIPE SLEEVING WITH THE GENERAL CONTRACTOR.
1.8 SYSTEM FAMILIARIZATION
A. UPON ACCEPTANCE OF SYSTEM BY OWNER, THE IRRIGATION CONTRACTOR SHALL PROVIDE NECESSARY KEYS AND/OR OTHER TOOLS NECESSARY TO OPERATE, DRAIN AND ACTIVATE SYSTEM, AND SHALL SPEND
SUFFICIENT TIME WITH OWNER TO INSURE THAT SYSTEM OPERATION, MAINTENANCE, AND WINTERIZING CAN CONTINUE ON AFTER THE DEPARTURE OF CONTRACTORS. THE IRRIGATION CONTRACTOR SHALL
LABEL CIRCUITS CLEARLY ON CONTROLLER.
1.9 "AS BUILT" RECORD DRAWINGS
A. A NEAT AND LEGIBLE REPRODUCIBLE DRAWING (ON MYLAR OR IN AN ELECTRONIC FORMAT (AUTOCAD 2000 OR LATER)), SHOWING THE ACTUAL INSTALLED LOCATIONS OF ALL IRRIGATION EQUIPMENT SHALL BE
PROVIDED WITHIN THEIR (30) DAYS OF FINAL ACCEPTANCE.
1.10 SUBMITTALS
A. PRODUCT DATA: MANUFACTURER'S TECHNICAL DATA AND INSTALLATION INSTRUCTIONS.
1.11 WARRANTY AND REPLACEMENT
A. MATERIALS AND WORKMANSHIP SHALL BE FULLY GUARANTEED FOR ONE (1) YEAR FOLLOWING OWNER'S FINAL ACCEPTANCE OF PROJECT AT 100% COMPLETION. THIS WARRANTY EXCLUDES WORK DONE ON
SYSTEM BY OTHERS AFTER FINAL ACCEPTANCE. VANDALISM OR ANY DAMAGE DONE BY OTHERS OR DUE TO ACTS OF GOD ARE NOT COVERED. MANUFACTURER'S WARRANTY SHALL EXTEND BEYOND 1 YEAR IF
APPLICABLE.
B. REPAIRS, ADJUSTMENTS AND REPLACEMENT OF DEFECTIVE IRRIGATION SYSTEM MATERIALS, INCLUDING MATERIALS THAT HAVE BEEN INSTALLED ON THE WORK DURING THE WARRANTY PERIOD SHALL BEAT
CONTRACTOR'S EXPENSE.
PART 2. MATERIALS
2.1 MATERIAL
A. ALL MATERIALS TO BE INCORPORATED IN THIS SYSTEM SHALL BE NEW AND WITHOUT FLAWS OR DEFECTS AND OF QUALITY AND PERFORMANCE AS SPECIFIED, AND MEETING THE REQUIREMENTS OF THE
SYSTEM.
1. NO SUBSTITUTIONS OF SMALLER PIPE SIZES WILL BE PERMITTED BUT SUBSTITUTIONS OF LARGER SIZES OF SAME TYPE AT NO EXTRA COST WITH APPROVAL ARE ACCEPTABLE.
2. NO SUBSTITUTIONS WILL BE PERMITTED WHICH HAVE NOT BEEN SUBMITTED FOR PRIOR WRITTEN APPROVAL.
2.2 GALVANIZED PIPE
A. SHALL BE SCHEDULE 40, DOMESTIC MANUFACTURE, AND SHALL CONFORM TO ASTM DESIGNATION A 120-65. FITTINGS SHALL BE MALLEABLE GALVANIZED.
2.3 PLASTIC PIPE
A. SHALL BE SCHEDULE 40 PVC AND CLASS 200 PVC., MINIMUM PIPE SIZE TO BE 4".
B. PIPE SHALL BE MARKED WITH MANUFACTURER'S NAME, CLASS OF PIPE, NSF SEAL AND DATE AND SHIFT OF MANUFACTURING RUN. PIPE SHALL BEAR NO EVIDENCE OF INTERIOR OR EXTERIOR EXTRUSION
MARKS.
C. PIPE WALLS SHALL BE UNIFORM, SMOOTH AND GLOSSY. PIPE MAY BE PRE -BELLED OR WITH INDIVIDUAL SOLVENT -WELD COUPLINGS.
D. FITTINGS SHALL BE SCHEDULE 40 WEIGHT, FULL SIZE. FITTINGS, CEMENT, AND THINNER SHALL BE A BRAND(S) RECOMMENDED BY MANUFACTURER OF PIPE.
E. PVC SOLVENT WELD PIPE: PVC 1120 AND 1220 MATERIAL, 200 PSI MINIMUM PRESSURE RATING WITH SDR 21 WALLS WHICH CONFORM TO ASTM D 2241.
2.4 DRIPLINE SYSTEM
A. DRIPLINE AND INTEGRAL DRIPLINE COMPONENTS: THE DRIPLINE SHALL BE PRESSURE COMPENSATING DRIPLINE. DRIPPER FLOW RATE AND SPACING SHALL BE AS INDICATED ON SCHEDULE.
1. DRIPLINE FITTINGS: ALL DRIPLINE CONNECTIONS SHALL BE MADE WITH APPROVED INSERT FITTINGS; MANUFACTURER EQUAL TO THAT OF DRIPLINE.
2. SOIL STAPLES: ALL ON-SURFACE/UNDER MULCH DRIPLINE INSTALLATIONS SHALL BE HELD IN PLACE WITH SOIL STAPLES SPACED EVENLY EVERY 5' ON CENTER, AND AT EACH FITTING
3. LINE FLUSHING VALVES: ALL DRIPLINE SYSTEMS SHALL BE INSTALLED WITH MANUAL OR AUTOMATIC LINE FLUSHING VALVES, AS SPECIFIED ON DRAWINGS.
4. AIR/VACUUM RELIEF VALVES: DRIPLINE SYSTEMS SHALL BE INSTALLED WITH AIR/VACUUM RELIEF VALVES ONLY WHERE INDICATED ON DRAWINGS.
5. DISC FILTER: A DISC FILTER SHALL BE INSTALLED AT EACH ZONE VALVE OR ON THE MAIN LINE TO ENSURE PROPER FILTRATION . THE FILTER SHALL BE AS SPECIFIED ON PLAN SET OR APPROVED
SUBSTITUTE.
2.5 HEAD SYSTEM
A. MANUFACTURER'S STANDARD UNIT DESIGNED TO PROVIDE UNIFORM COVERAGE OVER ENTIRE AREA OF SPRAY INDICATED AT AVAILABLE WATER PRESSURE, AS FOLLOWS:
1. POP-UP SPRAY: FIXED PATTERN, WITH SCREW -TYPE FLOW ADJUSTMENT AND STAINLESS STEEL RETRACTION SPRING. SEE SCHEDULE ON PLAN FOR SPECIFIC MODEL TYPE.
2. POP-UP ROTARY SPRAY: GEAR DRIVEN, FULL CIRCLE AND ADJUSTABLE PART CIRCLE TYPE. SEE SCHEDULE ON PLAN FOR SPECIFIC MODEL TYPE.
2.6 REMOTE CONTROL VALVES
A. MANUFACTURER'S STANDARD OF TYPE AND SIZE INDICATED. SEE SCHEDULE ON PLAN.
2.7 AUTOMATIC CONTROLLER
A. GENERAL: FURNISH LOW VOLTAGE SYSTEM MANUFACTURED EXPRESSLY FOR CONTROL OF AUTOMATIC CIRCUIT VALVES OF UNDERGROUND IRRIGATION SYSTEMS. PROVIDE UNIT OF CAPACITY TO SUIT NUMBER
OF CIRCUITS. SEE SCHEDULE ON PLAN.
B. CONTROL ENCLOSURE - EXTERNAL APPLICATIONS: MANUFACTURER'S STANDARD WEATHERPROOF ENCLOSURE WITH LOCKING COVER ON PEDESTAL. SEE SCHEDULE ON PLAN.
C. CONTROLLER WIRING ABOVE GROUND SHALL BE INSTALLED IN A CONDUIT.
2.8 CONTROL WIRE
A. #14-1 OF DIRECT BURIAL WIRE. WHITE SHALL BE COMMON, RED THE VALVE IMPULSE, WITH A THIRD COLOR AS A SPARE WIRE TO RUN FROM CONTROLLER TO THE END VALVE ON EACH LEG OF THE MAINLINE.
IDENTIFY EACH SPARE AT THE CONTROLLER. IDENTIFY WIRE COLOR ON THE AS-BUILTS.
B. WIRE MUST BE INSULATED SINGLE STRAND COPPER DESIGNED FOR TWO (2) TO FIFTY (50) VOLTS AND UL APPROVED AS TYPE U.F.
C. MULTI -STRAND CABLE MAY BE USED WITH PRIOR APPROVAL OF OWNER'S REPRESENTATIVE.
2.9 BACKFLOW PREVENTION DEVICES
A. DOUBLE CHECK VALVE ASSEMBLY SHALL BE INSTALLED ON THE DISCHARGE SIDE OF THE WATER METER. DOUBLE CHECK VALVES SHALL BE OF HEAVY DUTY CONSTRUCTION WITH ALL BRONZE BODIES, CHECK
VALVES AND TEST COCKS. DOUBLE CHECK VALVES SHALL BE DESIGNED TO OPERATE UNDER CONTINUOUS PRESSURE PERMITTING THE FREE FLOW OF WATER AT ALL TIMES. SEE DETAILS.
B. DOUBLE CHECK VALVES SHALL BE FURNISHED WITH APPROVED CHECK VALVES, INLET AND DISCHARGE SHUT-OFF VALVES AND FIELD TESTING COCKS. UNLESS OTHERWISE SPECIFIED, DOUBLE CHECK VALVES
SHALL HAVE A SERVICE RATING OF 300 PSI FOR NON -SHOCK COLD WATER.
D. DOUBLE CHECK VALVE ASSEMBLY PER IRRIGATION SCHEDULE OR EQUAL AS APPROVED BY THE STATE DEPT. OF HEALTH.
2.10 PRESSURE REGULATING VALVE
A. SHALL BE PER IRRIGATION SCHEDULE OR APPROVED EQUAL.
B. USE PRESSURE REGULATING VALVES AS REQUIRED TO CONTROL IRRIGATION SYSTEM WATER PRESSURE.
2.12 QUICK COUPLING VALVES
A. QUICK COUPLING VALVES SHALL BE AS SPECIFIED ON PLAN SET, OR APPROVED SUBSTITUTE. PROVIDE LUG KEYS WITH HOSE SWIVEL ELLS AS QUICK COUPLING VALVES
2.13 VALVE BOXES
A. ALL VALVES TO BE ENCLOSED IN A VALVE BOX. REMOTE CONTROL VALVES TO BE INSTALLED IN AN ARMOR ACCESS AS SPECIFIED ON DETAILS, OR EQUAL.
2.14 MAINLINE PVC PIPE SHALL BE SCHEDULE 40, BURIED AT A MINIMUM 18" DEPTH TO TOP OF PIPE. LATERAL PVC PIPE SHALL BE SCHEDULE 40 AND BE BURIED AT A MINIMUM 12" DEPTH TO TOP OF PIPE. UNLESS
STATED, MINIMUM PIPE SIZE IS 3/4".
2.15 SLEEVING SHALL BE FOUR/SIX INCH DIAMETER (4"/6") SCH. 40 PVC. EXTEND SLEEVE 6" PAST THE EDGE OF CONCRETE FLATWORK/WALLS.
PART 3 EXECUTION
3.1 VPRE-CONSTRUCTION
A. PRIOR TO STARTING WORK, CONTRACTOR SHALL ATTEND A PRE -CONSTRUCTION CONFERENCE WITH OWNER'S PROJECT MANAGER/SUPERINTENDENT, OWNER'S REPRESENTATIVE AND/OR LANDSCAPE
ARCHITECT TO DISCUSS PROJECT REQUIREMENTS, CHANGED SITE CONDITIONS, PHASING AND OTHER ISSUES.
3.2 VERIFICATION
A. BEFORE PROCEEDING WITH ANY WORK, THE IRRIGATION CONTRACTOR SHALL INSPECT THE SITE, CAREFULLY CHECK ALL GRADES AND VERIFY ALL DIMENSIONS AND CONDITIONS AFFECTING THE WORK TO
SATISFY HIMSELF THAT HE MAY PROCEED SAFELY AND ACCEPT THE SITE AS READY FOR HIS WORK TO BEGIN.
B. REPORT ANY DEVIATIONS BETWEEN THE CONTRACTOR -PREPARED IRRIGATION DRAWINGS AND THE SITE. FAILURE TO DO SO PRIOR TO THE INSTALLING OF EQUIPMENT, AND RESULTING IN REPLACING, AND/OR
RELOCATING, OR ADDITIONAL EQUIPMENT, SHALL BE DONE AT CONTRACTOR'S EXPENSE.
C. AVAILABLE PRESSURE VERIFICATION: PRIOR TO THE START OF ANY WORK, VERIFY THE STATIC PRESSURE AT POINT OF CONNECTION. NOTIFY OWNER IN WRITING OF PRESSURE AVAILABLE FOR APPROVAL TO
PROCEED.
D. CONFLICT WITH UTILITIES AND PLANT MATERIALS: LOCATE IRRIGATION LINES TO AVOID EXISTING AND PROPOSED UTILITY LINES, AND PROPOSED PLANT MATERIAL LOCATIONS AND ANY EXISTING TREES. MINOR
FIELD ADJUSTMENTS TO SHRUBS MAY BE MADE WITH APPROVAL, TO AVOID EQUIPMENT.
UNDERGROUND LOCATOR SERVICE
CALL BEFORE YOU RIO!
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3.3 PREPARATION
A. LAY OUT AND STAKE THE LOCATION OF EACH PIPE RUN AND ALL SPRINKLER HEADS AND SPRINKLER VALVES.
3.4 INSTALLATION
A. TRENCHING: TRENCHES SHALL BE STRAIGHT AND WITHOUT ABRUPT GRADE CHANGES. TRENCH BOTTOMS SHALL BE FLAT AND CLEAN OF ANY LARGE OR SHARP ROCK. THE TRENCH DEPTH SHALL BE DEEP
ENOUGH TO ALLOW 18 INCHES OF COVER OVER MAIN LINE AND 12 INCHES OF COVER OVER LATERALS OR AS PER APPLICABLE MUNICIPAL CODES AND 4" - 8" INCHES COVER OVER DRIPLINE. PIPE SLEEVES
SHALL BE AT A MINIMUM DEPTH OF 18 INCHES AND A MAXIMUM DEPTH OF 24 INCHES. MAINTAIN A MINIMUM CLEARANCE OF THREE (3) INCHES BETWEEN IRRIGATION LINES IF IN A COMMON TRENCH.
B. DRIPLINE:
1. INSTALL ALL DRIPLINE AS INDICATED ON DRAWINGS. USE ONLY TEFLON TAPE ON ALL THREADED CONNECTIONS.
2. SUPPLY AND EXHAUST HEADERS SHOULD BE INDENTED 2"-4" FROM EDGE OF PLANTER BED, SIDEWALK OR STRUCTURE.
3. ALL DRIPLINE HEADERS TO BE 3/4" DIA. UNLESS OTHERWISE CALLED OUT ON PLANS.
4. SPACE DRIPLINE AT INTERVALS AS INDICATED ON SCHEDULE.
5. CLAMP DRIPLINE FITTINGS WITH OETIKER CLAMPS, OR APPROVED SUBSTITUTE, WHEN OPERATING PRESSURE EXCEEDS SPECIFIC DRIPLINE FITTING REQUIREMENTS.
6. WHEN INSTALLING DRIPLINE, INSTALL SOIL STAPLES AS LISTED BELOW:
6.A. ONE STAPLE EVERY THREE (3) FEET AND AT EACH FITTING (TEE, ELBOW, OR CROSS).
7. CAP OR PLUG ALL OPENINGS AS SOON AS LINES HAVE BEEN INSTALLED TO PREVENT THE ENTRANCE OF MATERIALS THAT WOULD OBSTRUCT THE PIPE. LEAVE IN PLACE UNTIL REMOVAL IS NECESSARY
FOR COMPLETION OF INSTALLATION.
8. THOROUGHLY FLUSH ALL WATER LINES BEFORE INSTALLING VALVES AND OTHER COMPONENTS.
9. TEST IN ACCORDANCE WITH STANDARD PRACTICES.
10. FLUSH VALVES TO BE INSTALLED AT LOWEST ELEVATION OF DRIPLINE IRRIGATION AREA.
C. SPRINKLER HEADS:
1. INSTALL PER DETAIL AND MANUFACTURER'S RECOMMENDATION.
2. AFTER COMPLETION OF GRADING, SEEDING OR SODDING, AND ROLLING OF GRASS AREAS, ADJUST HEADS TO BE FLUSH WITH FINISHED GRADES.
D. DOUBLE CHECK VALVE ASSEMBLY:
1. BACKFLOW PREVENTION DEVICES SHALL HAVE SUFFICIENT CLEARANCE FROM OTHER MATERIALS FOR PROPER MAINTENANCE. MINOR ADJUSTMENTS OF LOCATION MAY BE REQUIRED FOR TECHNICAL
PURPOSES OR TO SATISFY LOCAL GOVERNING AGENCIES AT NO ADDITIONAL COST TO THE CONTRACT
2. INSTALL ACCORDING TO MANUFACTURER'S SPECIFICATIONS, AND TO LOCAL MUNICIPAL CODE
3. INSTALL PER DETAIL.
E. REMOTE CONTROL VALVES:
1. BEFORE INSTALLATION, SUPPLY LINE SHALL BE THOROUGHLY FLUSHED.
2. ENCLOSE VALVE IN VALVE BOX.
3. INSTALL PER DETAIL
F. QUICK COUPLING VALVES:
1. ENCLOSE IN VALVE BOX.
2. PROVIDE ONE CUBIC FOOT OF 3/4" MINUS WASHED GRAVEL SUMP UNDER EACH VALVE.
3. INSTALL PER DETAIL OF PLAN SET AND AT LOCATIONS INDICATED ON PLAN.
G. CONTROL WIRE:
1. CONTROL WIRE SHALL BE TAPED TOGETHER AT 10-FOOT INTERVALS.
2. WIRING SHALL OCCUPY THE SAME TRENCH AND SHALL BE INSTALLED ALONG THE SAME ROUTE AS PRESSURE SUPPLY OR LATERAL LINKS WHENEVER POSSIBLE.
3. PROVIDE A 24 INCH LOOP OF CONTROL WIRE IN EACH VALVE BOX.
4. ALL SPLICES MUST BE MADE WATERTIGHT DRI-SPLICE DS-400, OR APPROVED SUBSTITUTE, AND CONTAINED IN VALVE BOXES.
5. SPLICES WILL BE PERMITTED ONLY AT THE VALVES AND NEVER BETWEEN VALVES OR VALVE AND CONTROLLER. THERE MUST BE A SEPARATE LEAD OR "HOT" WIRE TO EACH AUTOMATIC VALVE. ONE (1)
COMMON WIRE WILL BE ACCEPTABLE. ONE (1) SPARE WIRE MUST BE RUN TO THE FARTHEST VALVE FROM THE CONTROLLER AS AN EXTRA WIRE.
H. AUTOMATIC CONTROLLERS:
1. ELECTRICAL WIRING SHALL BE INSTALLED ACCORDING TO LOCAL CODE. THE COST OF ALL ELECTRICAL WORK NECESSARY TO MAKE THE AUTOMATIC EQUIPMENT OPERATE PROPERLY SHALL BE
INCLUDED IN THIS CONTRACT.
2. LOCATION AND TYPE OF CONTROLLER SHALL BE PER PLANS.
3. MOUNT THE PANEL ENCLOSURE SO ADJUSTMENTS CAN BE CONVENIENTLY MADE BY THE OPERATOR.
4. PROVIDE A CONTROLLER CHART SHOWING THE AREA CONTROLLER BY THE AUTOMATIC CONTROLLER. CHART SIZE SHALL BE MAXIMUM SIZE TO FIT IN THE CONTROLLER DOOR. CHART SHALL BE A
REDUCTION OF THE "AS -BUILT" DRAWINGS.
5. SUPPLY OWNER WITH TWO CONTROLLER KEYS.
I. PIPE FITTINGS:
1. THE CONTRACTOR SHALL EXERCISE CARE IN HANDLING, LOADING, UNLOADING AND STORING TO AVOID DAMAGE. DELIVER PLASTIC PIPING IN BUNDLES, PACKAGED TO PROVIDE ADEQUATE PROTECTION
OF PIPE ENDS, EITHER THREADED OR PLAIN.THE PIPE SHALL BE TRANSPORTED IN A VEHICLE WITH A BED LONG ENOUGH TO ALLOW THE LENGTH OF PIPE TO LAY FLAT, SO AS NOT TO BE SUBJECT TO
UNDUE BENDING OR CONCENTRATED EXTERNAL LOAD AT ANY POINT. FITTINGS SHALL BE STORED UNDER COVER.
2. PVC CEMENT SHALL BE IPS WELD -ON. SOLVENT WELDING JOINTS SHALL BE GIVEN AT LEAST 15 MINUTES SET-UP TIME BEFORE MOVING OR HANDLING. PIPE SHALL BE CENTER LOADED TO PREVENT
SLIPPING. NO WATER SHALL BE PERMITTED IN PIPE UNTIL A PERIOD RECOMMENDED BY MANUFACTURER.
3. BACK FILLING SHALL BE DONE WHEN PIPE IS NOT IN AN EXPANDED CONDITIONS DUE TO HEAT OR PRESSURE.
4. BEFORE PRESSURE TESTING, SOLUBLE WELD JOINTS SHALL BE GIVEN CURING TIME AS RECOMMENDED BY MANUFACTURER.
5. NO PVC PIPE MAY BE THREADED OR CONNECTED TO A THREADED FITTING WITHOUT AN ADAPTER.
6. GREAT CARE MUST BE TAKEN TO INSURE THAT THE INSIDE OF THE PIPE IS ABSOLUTELY CLEAN. ANY PIPE ENDS NOT BEING WORKED ON SHOULD BE PROTECTED AND NOT LEFT OPEN.
J. PIPE SLEEVES:
1. WHEREVER IRRIGATION LINES OR WIRE CROSS BENEATH PAVED SURFACES, PIPING AND WIRE SHALL BE INSTALLED IN SLEEVES. SIZE TO BE TWO TIMES PIPE DIAMETER, MINIMUM TWO INCH SLEEVE
SHALL BE PROVIDED FOR WIRE. SET SLEEVES AT 24" BELOW GRADE. COORDINATE INSTALLATION WITH GENERAL CONTRACTOR.
K. MANUAL DRAINS:
1. INSTALL PER MANUFACTURER'S RECOMMENDATIONS AS SHOWN ON IRRIGATION PLAN.
2. INSTALL BY TEEING DOWN TO 3/4-INCH DRAIN VALVE. PROVIDE A DRAINAGE SUMP SIZED TO RECEIVE VOLUME OF DRAIN WATER.
3. MAKE MANUAL DRAIN VALVES ACCESSIBLE BY INSTALLING AN ADJUSTABLE PIPE SLEEVE TO MEET FINISHED GRADE WITH LOCKING VALVE MARKER LID FLUSH WITH FINISH GRADE.
L. PRESSURE REGULATOR:
1. SET MAX. OPERATING PRESSURE AT 35 PSI.
M. PIPE INSULATION PER PLAN:
1. APPLY POLYETHYLENE PIPE WRAP INSULATION TO ALL EXPOSED PIPE.
3.5 SYSTEM FLUSHING
A. ENTIRE SYSTEM SHALL BE FLUSHED PRIOR TO INSTALLATION OF DRIPLINE AND SPRINKLER HEADS.
3.6 PERFORMANCE TESTS/SUBSTANTIAL COMPLETION
A. UPON COMPLETION OF SYSTEM INSTALLATION, CONTRACTOR SHALL OPERATE SYSTEM BY MEANS OF THE AUTOMATIC CONTROLLER IN PRESENCE OF OWNER'S REPRESENTATIVE.
B. AUTOMATIC SYSTEM SHALL BE CYCLED ELECTRICALLY AND AUTOMATICALLY TO THE SATISFACTION OF OWNER'S REPRESENTATIVE.
3.7 DISPOSAL OF WASTE MATERIAL
A. STOCKPILE, HAUL FROM SITE, AND LEGALLY DISPOSE OF WASTE MATERIALS, INCLUDING UNSUITABLE EXCAVATED MATERIALS, ROCK, TRASH, AND DEBRIS. DEBRIS MUST BE REMOVED AT THE END OF WORK
TIME EACH DAY.
B. MAINTAIN PAVEMENT AND CURB CLEAR, CLEAN, AND FREE OF DEBRIS AND SOIL. PAVEMENT AND CURB SHALL REMAIN CLEAR, CLEAN AND FREE OF DEBRIS.
3.8 SURFACE RESTORATION
A. PROTECT EXISTING LANDSCAPING; REMOVE AND REPLANT AS NECESSARY TO COMPLETE INSTALLATION. REPLACE DAMAGED LAWN AREAS AND PLANTS WITH NEW PLANTS TO MATCH EXISTING.
3.9 CLEAN-UP
A. CLEAN ALL WORK AREAS ADJOINING AREA, SUCH AS PAVING, CURBS, CATCH BASINS, MANHOLES AND LAWN, OR DEBRIS CAUSED BY THE WORK ON THIS PROJECT, OR ANY PART OF PROJECT, ON COMPLETION
OF OPERATIONS AND PRIOR TO WATERING. ALL HARD SURFACED AREAS SHALL BE WASHED CLEAN.
3.10 FINAL COMPLETION
A. UPON COMPLETION AND APPROVAL OF ALL TESTS.
B. PROVIDE OWNER WITH A LETTER FOR HIS SIGNATURE OUTLINING COMPLETION OF JOB AND OWNER'S FINAL ACCEPTANCE WITH START AND STOP DATES OF WARRANTY PERIOD.
3.11 WARRANTY
A. SHOULD ANY TROUBLE DEVELOP WITHIN ONE (1) YEAR WHICH, IS DUE TO INFERIOR OR FAULTY MATERIAL AND/OR WORKMANSHIP, THE TROUBLE SHALL BE CORRECTED, WITHOUT DELAY, TO THE SATISFACTION
OF THE AUTHORIZED OWNER'S REPRESENTATIVE AND AT THE CONTRACTOR'S EXPENSE.
B. SYSTEM PROTECTION: AS PART OF WARRANTY UNDER THIS CONTRACT, CONTRACTOR SHALL BE RESPONSIBLE FOR DEACTIVATING AND DRAINING OF SYSTEM PRIOR TO ONSET OF FREEZING SEASON AS PER
LOCAL SEASON REQUIRES, AND FOR REACTIVATING THE SYSTEM AT ONSET OF SPRING GROWING SEASON; EACH EVENT THE SYSTEM IS COMPLETED IN A SEASON WHEN SYSTEM WILL NOT BE IN USE,
CONTRACTOR WILL WINTERIZE THE SYSTEM AS PER LOCAL SEASON REQUIRES, UPON COMPLETION OF TESTING AND APPROVAL BY OWNER AND REACTIVATE THE SYSTEM IN SPRING.
END OF SECTION
CONSTRUCTION RECORD DRAWINGS
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