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HomeMy WebLinkAbout034 L5-03 - Irrigation Details© BLACKWOOD GROVES PREPARED FOR 4TH AVENUE CAPITOLAVOID CUTTING UNDERGROUNDUTILITY LINES. IT'S COSTLY. REVISED PER CITY REVIEW RL1 IRRIGATION DETAILSL6.1NO VALVES, REDUCERS, OR ELBOWS IN THIS AREA.FIVE PIPE DIAMETERS1/2" WIRE CLOTH GOPHER SCREEN, WRAPUP SIDES, OVER BRICK SUPPORTS,ONE EACH SIDE (TWO PER BOX).AT BOTTOM OF EACH BOX:30" LOOPED WIRES.SCH 80 NIPPLES,VALVE INLET SIZE.WATERPROOF WIRECONNECTORS, ONMASTER CONTROL VALVE AS SPECIFIED.SENSOR TERMINAL BOARDREDUCER AS REQUIRED.TEN PIPE DIAMETERSPVC MAIN LINEFROM BACKFLOWDEVICE.FLOWSENSOR CABLE TO CONTROLLERNDS RECTANGULAR BOXES WITH 6' EXTENSIONS AS REQUIRED.FINISHED GRADE.FLOW SENSOR AS SPECIFIED.SCHEDULE 80 NIPPLES, VALVE INLET SIZE.WATERPROOF WIRE CONNECTORS ON18" LOOPED WIRES.MASTER CONTROL VALVE / FLOW SENSOR ASSEMBLY1" = 20'SEA-090-217-000-191345678981011121314151617182315147714151614FINISH GRADE/TOP OF MULCH1VALVE BOX WITH LOCKING COVER2REMOTE CONTROL VALVE330-INCH LINEAR LENGTH OF WIRE, COILED4WATERPROOF CONNECTION5ID TAG6PRESSURE REGULATING QUICK CHECK BASKET FILTER7PVC SCH 80 NIPPLE (LENGTH AS REQUIRED)8PVC SCH 40 ELL9PVC SCH 80 NIPPLE (2-INCH LENGTH, HIDDEN) ANDPVC SCH 40 ELL10PVC SCH 40 TEE OR ELL11MAINLINE PIPE126-INCH MINIMUM DEPTH OF 3/4-INCH WASHED GRAVEL13PVC SCH 80 NIPPLE, CLOSE14PVC SCH 40 ELL15PVC SCH 40 TEE16LATERAL PIPE17PVC SCH 40 FEMALE ADAPTOR1812DRIP CONTROL VALVE1" = 30'SEA-090-217-000-202WALLNOTES:1. FOR EASE OF INSTALLATION INTO A CONTROLLER WITH MORE THAN 24 STATIONS, INSTALL A JUNCTIONBOX AT THE BASE OF CONTROLLER AND TRANSITION LARGER VALVE AND COMMON WIRES FROMFIELD TO 18 AWG MULTI CONDUCTOR WIRE TO BE USED IN CONTROLLER.2. USE STEEL CONDUIT FOR ABOVE GRADE AND SCH 40 PVC CONDUIT FOR BELOW GRADE CONDITIONS.3. PROVIDE PROPER GROUNDING COMPONENTS TO ACHIEVE GROUND RESISTANCE OF 10 OHMS OR LESS.IRRIGATION CONTROLLER:CONTROLLER IN CABINET WITHWALL MOUNT. INSTALL CONTROLLER ANDCABINET ON WALL PER MANUFACTURER'SRECOMMENDATIONS.JUNCTION BOX1-INCH CONDUIT ANDFITTINGS TO POWERSUPPLYPOWER SUPPLY WIRE2-INCH CONDUIT ANDFITTINGS FOR STATIONWIRESWIRES TO REMOTECONTROL VALVESWALL MOUNTED CONTROLLER NTSSEA-090-217-000-283REDUCED PRESSURE BACKFLOW DEVICEAS SPECIFIEDGALVANIZED NIPPLES ANDELBOW AS REQUIREDGALVANIZED UNIONS AT EACHSIDEGALVANIZED RISERSGALVANIZED ELBOW ANDNIPPLE, TYPICAL EA. SIDEPVC COUPLER AND SCHEDULE80 TOE NIPPLE, TYPICAL EACHSIDEMAIN LINE, SIZE ASPER PLANSCONCRETE THRUST BLOCKS,90LBS OF CONCRETE EACH (TYP)SERVICE SIDEHEIGHT ASPER LOCALCODE FINISHED GRADEFLOWBACKFLOW ENCLOSUREBACKFLOW PREVENTER1/2" = 1'-0"SEA-090-217-000-214IRRIGATION NOTES:1.PRIOR TO COMMENCEMENT OF WORK CONTRACTOR TO VERIFY STATIC WATER PRESSURE AT POINT OF CONNECTION.2.PRIOR TO COMMENCEMENT OF WORK CONTRACTOR TO VERIFY THE AMOUNT OF WATER AVAILABLE AT POINT OF CONNECTION MEETS OR EXCEEDS PROJECT DEMANDS.3.IRRIGATION CONTRACTOR IS RESPONSIBLE FOR MARKING & PROTECTING ALL UTILITIES ENCOUNTERED THROUGHOUT THE SCOPE OF WORK.4.ALL PLANS ARE DIAGRAMMATIC & SCHEMATIC. ARCHITECT TO BE NOTIFIED IMMEDIATELY IF FIELD VARIANCES REQUIRING MODIFICATIONS TO PLAN SHALL BE REQUIRED5.MAINLINE LAYOUT IS DIAGRAMMATIC AND HAS BEEN SHOWN OUTSIDE OF LANDSCAPE AREAS FOR PURPOSE OF CLARITY. ALL IRRIGATION PIPING AND COMPONENTS SHALL BE INSTALLED IN WITHIN PROJECT LANDSCAPED AREAS UNLESS SHOWN AS SLEEVED OR OTHERWISENOTED ON PLAN.6.CONTRACTOR IS RESPONSIBLE FOR PROVIDING ALL NECESSARY SLEEVING UNDER SIDEWALKS, ROADWAY OR ANY OTHER PROJECT PAVING OR HARDSCAPE FOR THE PROPER INSTALLATION OF THIS SYSTEM REGARDLESS OF PRESENCE ON PLAN. ARCHITECT TO BE NOTIFIEDIMMEDIATELY IF ADDITIONAL SLEEVING IS REQUIRED.7.MAINLINE SLEEVES & WIRE CHASES TO HAVE CONTINUOUS DETECTABLE MARKING TAPE INSTALLED WITH PIPE AND/OR WIRE. ALL OTHER SLEEVING TO BE MARKED WITH 12"x36" STEEL REBAR PLACED AT EACH END OF SLEEVE & FLUSH TO SOIL GRADE LEVEL.8.SLEEVING TO EXTEND BEYOND PAVEMENT SUBGRADE MATERIALS & REMAIN COVERED UNTIL PIPE IS INSTALLED & LANDSCAPE AREA BACKFILLED.9.PIPING MAY BE INSTALLED IN COMMON TRENCHES - 3 PIPES MAXIMUM.10.SPRINKLER HEADS IN PLANTING AREAS SHALL BE A UNIFORM DISTANCE FROM HARDSCAPE EDGE - 4" MAXIMUM & TOP OF SPRINKLER BODY SHALL BE FLUSH WITH SOIL GRADE PRIOR TO ADDITION OF SEED, SOD OR MULCH.11.CONTRACTOR IS RESPONSIBLE FOR ON-SITE ADJUSTMENTS TO SPRINKLER HEAD SPACING & NOZZLE CHOICE TO ENSURE COMPLETE COVERAGE & TO MINIMIZE OVERSPRAY. ADJUSTMENTS TO SPACING INCLUDE INSTALLING ADDITIONAL SPRINKLER HEADS IF NECESSARY.12.VERIFY CONTROLLER LOCATION WITH OWNER. VERIFY PROPER ELECTRICAL SERVICE IS PROVIDED PRIOR TO INSTALLATION OF ANY CONDUIT OR PEDESTAL BASE. ANY PENETRATIONS OF BUILDING WALLS OR SURFACES MUST BE APPROVED BY GENERAL CONTRACTOR.13.CONTRACTOR IS RESPONSIBLE FOR WINTERIZATION OF IRRIGATION SYSTEM WITH COMPRESSED AIR APPLIED AT THE WINTERIZATION VALVE. REFER TO PROJECT SPECIFICATIONS FOR MORE INFORMATION.14.THE LOCATION OR ANY PROJECT SPECIFIC SENSORS OR WEATHER STATIONS WILL BE COORDINATED WITH THE GENERAL CONTRACTOR & APPROVED BY LANDSCAPE ARCHITECT.15.NO SUBSTITUTIONS TO PLAN OR APPROVED MATERIALS IS ALLOWED WITHOUT APPROVAL OF LANDSCAPE ARCHITECT.16.ALL WORKMANSHIP WILL BE COMPLETE AND IN ACCORDANCE WITH THE LATEST ACCEPTED STANDARDS OF THE INDUSTRY.17.ALL WORK TO BE DONE IN ACCORDANCE WITH AUTHORITY HAVING JURISDICTION'S SPECIFICATIONS AND DESIGN STANDARDS.18.REFER TO PROJECT SPECIFICATIONS FOR FURTHER INFORMATION.19.A BACKFLOW DEVICE COMPLIANT WITH THE CITY'S CURRENTLY ADOPTED PLUMBING CODE FOR USE IN AN IRRIGATION SYSTEM IS REQUIRED.20.IRRIGATION CONTROLLER LABELED BY THE U.S. ENVIRONMENTAL PROTECTION AGENCY'S WATERSENSE PROGRAM ARE REQUIRED. THE CONTROLLER MUST BE PROGRAMMED TO ACCOMMODATE ANY WATER WINDOWS OR RESTRICTIONS FOR OPERATION SUCH AS DAY OF THEWEEK AND HOURS OF THE DAY.21.SENSORS (RAIN, FREEZE, WIND, ET, SOIL MOISTURE, ETC.) EITHER INTEGRAL OR AUXILIARY, THAT SUSPEND OR ALTER IRRIGATION OPERATION DURING UNFAVORABLE WEATHER CONDITIONS OR WHEN SUFFICIENT SOIL MOISTURE IS PRESENT ARE REQUIRED.22.ALL OVERHEAD IRRIGATION MUST CONSIST OF MULTI-STREAM, MULTI-TRAJECTORY NOZZLES OR ROTORS.23.HEADS SUBJECT TO LOW HEAD DRAINAGE MUST BE EQUIPPED WITH INTEGRAL CHECK VALVES.24.SPRINKLER HEAD MUST BE SPACED 2-INCHES FROM HARDSCAPE EDGES AND INSTALLED FLUSH WITH FINISHED GRADE.25. OVERHEAD IRRIGATION MUST USE 6-INCH MINIMUM RISERS.26.OVERHEAD IRRIGATION SPACING SHALL BE INSTALLED TO ACHIEVE HEAD-TO-HEAD COVERAGE.27.AREAS LESS THAN 8-FEET WIDTH SHALL BE DRIP IRRIGATION.28.DRIP IRRIGATION SHALL INCLUDE PRESSURE REGULATOR AND FILTER.29.INLINE DRIP IRRIGATION INSTALLED ON SLOPE MUST LAY PARALLEL TO ELEVATION CONTOURS.30.DRIP IRRIGATION MUST BE INSTALLED WITH EASILY ACCESSIBLE FLUSH POINTS.31.ALL SUBSURFACE DRIP MUST BE INSTALLED WITH AIR/VACUUM RELIEF VALVES.32..EACH ZONE MUST BE DESIGNED TO ACHIEVE MATCHED PRECIPITATION RATES.33.IRRIGATION ZONES MUST BE SEPARATE BASED ON HYDROZONE, WHICH CONSIDER IRRIGATION TYPE AND PLANT WATER USE.34.STATIONS THAT IRRIGATE TREES CANNOT IRRIGATE OTHER PLANT TYPES. AN INDIVIDUAL IRRIGATION STATION MAY IRRIGATE MORE THAN ONE TREE. THE ESTABLISHED SIZE AND EXTENT OF THE ROOT ZONE MUST BE CONSIDERED WHEN INSTALLING IRRIGATION FOR TREES.ROOT WATER SYSTEMS SHALL BE INSTALLED FOR ALL TREES.35.IRRIGATION INSTALLATION AND OPERATION MUST PREVENT RUNOFF AND OVERSPRAY.36.VALVE BOXES MUST BE INSTALLED IN A MANNER THAT PREVENTS BREAKS AND IS EASILY ACCESSIBLE FOR REPAIR.37.IRRIGATION BELOW HARDSCAPE SURFACES MUST BE SLEEVED WITH SCHEDULE 40 PVC OF A DIAMETER 2X THE DIAMETER OF THE INTERIOR PIPE.38.THE SYSTEM SHALL UTILIZE WELLS ON SITE FOR EACH PORTION OF THE DEVELOPMENT.39.PRESSURE REGULATING DEVICES SHALL BE UTILIZED AT THE WELL HEAD TO INSURE PROPER OPERATION.40.INSTALL A FLOW SENSOR AND MASTER VALVE FOR MAINLINES.’””‘’’””’