Irrigation Professionals with questions about ... - Hunter Industries

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You could change the nozzle sizes and probably reach the additional 3feet, but that may cause the system to exceed design capacity, so you mayneed to add a valve, add pipe, and install a larger controller than what youincluded in your bid.You can see how sighting down the line of the wall of a house, thencontinuing that imaginary line to the property line, and finally measuringthe distance from the house to the property line along that imaginary linecan be a very accurate way to set the house on the property. At the sametime, this method establishes the right locations for the property lines, andultimately the right locations for the sprinkler heads.For curving sidewalks or driveways, or meandering lawn edges, sightingdown the side of the house is an excellent way of getting an accurate layout.House16 ft.17 ft.19 ft.21 ft.23 ft.10 ft.10 ft.10 ft.2 ft.2 ft.1 ft.100 ft. tapemeasureFigure 3Lay out one of your 100 foot tapes along the imaginary line (the extensionof the side of the house). Then measure across at a right angle to the tapemeasure from the imaginary line to the curve you need located. Dependingon how tight a curve it is, you may want to get a measurement every 5feet, or every 10 feet. If the curve is really tight, you might even want toget more measurements, while if it is a gentle curve, you might want fewermeasurements.
Trees, water meters, and other items on your sketch which are standingalone can be located by taking a measurement from two other items suchas two separate corners of a building and forming a triangle <strong>with</strong> the treeor other object you are trying to locate.23 ft.28 ft.Figure 4If your project has a slope or rolling terrain, remember that the plan view,or the “bird’s-eye view” will show the slope as being shorter than theactual soil measurement. You will want to take this into considerationwhen measuring the site and drawing your sketch.Plan View10 ft12 ft1-1/2 :1 SlopeFigure 5
Page 1 and 2: Irrigation Professionals with quest
Page 3 and 4: Plot PlansIntroductionOne of the mo
Page 5 and 6: Drawing ToolsThere are just a few t
Page 7: Measure the PropertyTake careful me
Page 11 and 12: Step 2 - Redraw On Graph PaperThe n
Page 13 and 14: SymbolsIn order to distinguish betw
Page 15 and 16: Make sure the drawing is dated and
Page 17 and 18: Step 4 - Group Sprinklers Into Zone
Page 19 and 20: Basic HydraulicsIntroductionHydraul
Page 21 and 22: How Pressure is Created By the Weig
Page 23 and 24: Does the Shape or Size of the Conta
Page 25 and 26: L O W24 VAC 50-60 Hz60mA INRUSH60mA
Page 27 and 28: Factors Affecting Dynamic PressureW
Page 29 and 30: INSIDE DIAMETER (i.d.) of the pipe:
Page 31 and 32: LENGTH is the fourth factor affecti
Page 33 and 34: D) SDR -Standard Dimension Ratio -
Page 35 and 36: 1. Look in the left column (FLOW G.
Page 37 and 38: SummaryThere is a limited amount of
Page 39 and 40: DefinitionsUse the diagram below al
Page 41 and 42: Calculating Dynamic Pressure at Des
Page 43 and 44: D. Estimate Pressure Available at
Page 45 and 46: Line #5 - Service Line: This is the
Page 47 and 48: Line #11 - Volume Through the Meter
Page 49 and 50: C. Calculate Dynamic Pressure at De
Page 51 and 52: Line #16 - Pressure Loss in the Wat
Page 53 and 54: Line #21 - Pressure Change Due to E
Page 55 and 56: Design ProblemMany times, you will
Page 57 and 58: III. Systems Supplied by a PumpCalc
Page 59 and 60:
D. Estimate Pressure Available at
Page 61 and 62:
Line #5 - Pressure at POC: If the P
Page 63 and 64:
Sample Problem: 13.5 GPMC) Read acr
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D. Estimate Pressure Available at"W
Page 67 and 68:
(METERED SYSTEMS)Design Capacity an
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Page 71 and 72:
Page 73 and 74:
Page 75 and 76:
(PUMP SYSTEMS)Design Capacity and W
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(PUMP SYSTEMS)Design Capacity and W
Page 79 and 80:
Sprinkler SelectionIntroductionThe
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Spray HeadsFixed spray heads may be
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Selecting the Proper SprinklerNow t
Page 85 and 86:
Precipitation RateExpressed in inch
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Sprinkler Watering PatternsMost spr
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Choosing Nozzles for Gear Driven Ro
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5) Sprinkler Watering Patterns - Be
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HydrozonesA hydrozone is a portion
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Triangular spacing is usually the p
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and flow rate, the smaller the spri
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perpendicular (see Figure 33). Many
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“symmetrical” layout, and they
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Head spacing in narrow areas is det
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Head placement is complicated becau
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Figure 40PGJ
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On larger slopes, a combination of
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SummarySprinkler head placement is
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Backflow PreventionIntroductionBack
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System LayoutLaying out a system be
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Backflow Preventer LocationLocal pl
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time. Station run time can be tempo
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Pipe Sizing Using the Friction Loss
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Backflow Preventer and Valve Sizing
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Friction LossesIntroductionCalculat
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5. Multiply your answer by the leng
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Friction Loss CalculationsZone Numb
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Sample Problem:1.67= 0.0167 psi los
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Step 2Step 3Step 4Step 5Step 6Sprin
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Using the acceptable 10% allowance:
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SummaryCalculating the friction los
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Precipitation RatesIntroductionToda
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Sprinkler Precipitation RatesVersus
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Area CoveredArc by Sprinkler Flow90
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The Sprinkler Spacing MethodThis me
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Use of Precipitation Rates in Lands
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Irrigation SchedulingIntroductionUl
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Crop coefficient. Different plants
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ET Evaporation of soil surface wate
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Soil Intake RateSoil texture will p
Page 161:
What You Need to KnowAs previously
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