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IRRIGATION
SOD/TURFGRASS
70,000 SF6 IN / SF261,660 GAL309 TREES5,099 GAL /WEEK91,773 GAL530 SHRUBS3,975 GAL /WEEK71,550 GAL2,572PERENNIALS5,144 GAL /WEEK92,592 GALTOTAL ANNUAL H2O REQUIRED: 1,565,461GALTOTAL ACRE FEET PER YEAR: 4.80 ACRE FEETH.E.SPRAY/ROTARY
NATIVE SEEDH.E. TREEBUBBLERH.E. SHRUB DRIPIRRIG.H.E. PERENN. DRIPIRRIG.IRRIGATION CALCULATIONS BASED OFFMAINTAINED TURFGRASS IN BOULEVARDS AND &NATIVE SEED FOR OPEN SPACES AROUNDDEVELOPMENT.CALCULATIONS BASED ON:-TREES TO RECEIVE 16.5 GALS/WK-SHRUBS TO RECEIVE 7.5 GALS/WK-PERENNIALS TO RECEIVE 2.0 GALS/WKSTREET TREES TO BE PLACED EVERY 50 FEET ONSTREET FRONTAGES*INDIVIDUAL SITE PLANS MUST SHOW IRRIGATIONLAYOUT AND SLEEVING PLANS AS NECESSARY.IRRIGATION NOTES AND SPECIFICATIONS1.ALL VALVE BOXES TO BE STANDARD SIZE OR LARGER.2.IRRIGATION MAIN LINE TO BE 1.5" SCH 40 PVC PIPE OR 150 PSI POLY PIPE.3.ALL TREES TO BE IRRIGATED THROUGH DEDICATED BUBBLERS. BUBBLERS TO BE EVENLYDISTRIBUTED AROUND BASE OF TREE WITH FOUR (4) EVENLY SPACED 1 GPH EMITTERS.4.TREES AND SHRUBS PLACED WITHIN PLANTING BEDS MAY UTILIZE DRIP IRRIGATION. DRIPIRRIGATION TO BE ADJUSTED PER REQUIREMENTS OF EACH INDIVIDUAL PLANT.5.ALL SHRUBS OUTSIDE OF DEDICATED PLANTING BEDS TO HAVE DEDICATED BUBBLERS. BUBBLERSTO BE EVENLY DISTRIBUTED AROUND BASE OF SHRUB WITH TWO (2) EVENLY SPACED 1 GPHEMITTERS.6.ALL MIXED SHRUB AND PERENNIAL PLANTINGS TO BE IRRIGATED WITH DEDICATED DRIP TUBING.DRIP EMITTERS TO BE ADJUSTED PER REQUIREMENTS OF EACH INDIVIDUAL PLANT.RECOMMENDED EMITTERS PER PLANT TYPE:PERENNIALS- (1) 0.5 GPH EMITTERSHRUBS- (2) 1.0 GPH EMITTERSTREES- (4) 1.0 GPH EMITTERS***TREES UTILIZING DRIP IN PLANTING BEDS MAY NEED ADDITIONAL EMITTERS TO MEETWEEKLY WATERING REQUIREMENTS.7.LAWN AND SEED AREAS TO BE IRRIGATED WITH SPRAY OR ROTOR OVERHEAD IRRIGATION ASINDICATED ON PLAN.8.ALL HEADS MUST ACHIEVE HEAD-TO-HEAD COVERAGE FOR SOD AREAS.9.SYSTEM SHALL UTILIZE WEATHER / MOISTURE MONITOR.10.IT IS THE RESPONSIBILITY OF THE LANDSCAPE CONTRACTOR TO COORDINATE INSTALLATION PERLOCAL CODES AND ORDINANCES AS WELL AS WITH ARCHITECTURE AND ALL OTHER TRADES.11.POWER SOURCE FOR IRRIGATION CONTROLLER TO BE COORDINATED WITH ELECTRICAL ENGINEER,ELECTRICAL CONTRACTOR AND LANDSCAPE CONTRACTOR.12.DO NOT INSTALL IRRIGATION SYSTEM WHEN OBVIOUS OBSTRUCTIONS OR GRADE CHANGES AREPRESENT.13.ALL INFORMATION TO BE FIELD-VERIFIED BY CONTRACTOR PRIOR TO INSTALLATION.14.THE CONTRACTOR SHALL MAINTAIN AN ACCURATE & CURRENT 'AS-BUILT' IRRIGATION PLAN ON SITEAT ALL TIMES. CONCEPT IRRIGATION NOTES AND SPECIFICATIONS1.ALL SECTIONS OF MAINLINE CROSSING UNDER CONCRETE, ROADS, OROTHER LARGE HARDSCAPE SURFACES TO BE IN SCH. 40 PVC SLEEVES.1.1.SLEEVES TO BE DOUBLE THE DIAMETER OF PROPOSED MAINLINE.1.2.LATERAL LINE SLEEVES TO BE SCH. 40 PVC AT LEAST DOUBLE THEDIAMETER OF THE LATERAL LINE SIZE PROPOSED.2.ALL SYSTEMS TO BE ON A LOOPED MAINLINE WHERE POSSIBLE, REFER TOCONCEPTUAL IRRIGATION MAINLINE LAYOUT.3.ALL SYSTEMS WILL BE 2 WIRE DECODER TYPE SYSTEMS.4.ALL INFORMATION SHOWN ON CONCEPTUAL DRAWINGS TO BE VERIFIEDBY IRRIGATION DESIGNER, AND CONTRACTOR. COORDINATION WITHGENERAL CONTRACTOR IS NECESSARY BEFORE CONSTRUCTION BEGINSTO ENSURE PROPER LOCATION OF SLEEVES, ELECTRICAL CONNECTIONS,AND WATER SOURCE CONNECTIONS.5.ALL IRRIGATION COMPONENTS TO BE HIGH EFFICIENCY, HEADS, NOZZLES,DRIP, VALVES, AND FITTINGS.50250100N1L6001"=50'-0"Irrigation Sleeve & Conceptual Irrigation Mainline Layout Plandesign5la.com406.587.4873dateissuedrawn by:checked by:filename:c:\users\nate\onedrive - design 5 landscape architects\desktop\gnb\autocad\01_sheets\l600 gnb_irrigation.dwg
Arrowleaf Park and Perennial Park
PUD
Bozeman, Montana
NB/MC/HN TMS
05/11/20PUD/SP1D
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Y08/04/20Site Plan Review20153-rev.1Irrigation WaterUse Calculationsand MethodsL 6001