How to Install a Sprinkler System how tos.Access the Water Line.How To Install A Lawn Sprinkler Head' title='How To Install A Lawn Sprinkler Head' />The easiest way to provide water for an irrigation system is to connect to an existing spigot.The more professional way involves tapping into the main water service line.Both ways require the installation of an anti siphon valve, which prevents brackish water, lawn chemicals and fertilizers from entering the main water supply.How to Install a Sprinkler System with Pictures1.Draw a diagram, to scale if possible, of your lawn and garden areas you wish to irrigate.This will enable you to plan the routing of pipelines and placement of sprinkler heads so you can purchase your materials.How to Install a Sprinkler System.Installing a lawn sprinkler system will give you a green, lush lawn to enjoy even when the dry weather withers the neighbors.This. Tutorial for designing a lawn sprinkler system.In this video I go through the steps of designing a lawn sprinkler system.All thats needed are a pressure.Divide the areas into rectangles if possible of about 1.These will be your zones, or areas which will be watered as a unit.Larger areas will require special heads and a higher volume of water than you can normally get from a residential water system.Chose the appropriate sprinkler heads to cover your zone, using pop up impulse or gear driven heads for wide grassy areas, shrub heads or bubblers for shrubs and flowers, and fixed pop up heads for locations adjoining buildings or paved areas like driveways and streets.Mark the location of each head in accordance with the spraying distance of the heads you choose.Rain Bird R 5. 0s, a common good quality head, will spray an arc, semicircle, or full circle about 2.Count the number of heads you use on a zone, and add the gallon per minute volume for each one.You should find the typical gear drive head can be rated from 1.Fixed pop ups generally run about 1 gpm.Sprinkler systems are a great way to maintain your lawn.Not only does it take the hassle out of managing your sprinklers yourself, but a sprinkler system ensures.Add the total of gpm of the zones heads, and use this number to size your pipe.As a rule of thumb, a zone with 5 7 heads should require about 1.To supply this zone you will need a one inch main pipe line, with 34 or 12 inch 1.Draw the main line from the location where your plan to install your control valves, time if automatically operated, and backflow preventer.Draw branch lines from the main line to each head.You can route a branch line to more than one head if you use a 34 inch 1.Further down the line, you may decrease the size of the main to 34 inch 1.How To Install A Lawn Sprinkler Head' title='How To Install A Lawn Sprinkler Head' />Use this layout to mark the locations for your pipe ditches and heads, and flag them using markers, survey flags, or ribbons stuck to the ground with large nails.Digging the ditch does not have to be precise if you are using PVC polyvinyl chloride pipe, as this material will bend fairly easily.Dig your ditches.Use an axe or grubbing hoe to cut the turf, taking care to set it aside in clumps so it can be replaced when you are finished.Use a trenching shovel to dig the ditch at least 6 inches 1.The ditch should be at least 1.Spread your pipe out along your ditches, along with tees, elbows, and bushings for reducing pipe sizes and threading on the sprinkler heads.Funny pipe is a flexible butyl rubber pipe used in sprinkler systems, which has its own unique fittings that slip into the pipes without glue or clamps, and adaptors to thread it into the PVC branch lines and the sprinkler heads.This product allows the heads to be adjusted for height, and is forgiving if you are prone to drive over the head with a riding lawn mower or vehicle.Install your risers where each sprinkler head will be located, making sure the terminal fitting is the correct thread size for the head.Tie the main line to the manifold at the timer or control valves, with the appropriate valve for the type of control you are using. 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Tie the water supply line into the manifold on the supply side.Be sure to use a backflow preventer so that if the water system loses pressure you will not syphon water from the sprinkler system into the potable water, causing a potential contamination.Turn the control valve on that supplies your zone, and allow it to flush the pipes of any debris or dirt which has gotten into them.This should only take a minute or two, but doing this before installing your sprinkler heads will prevent clogged heads later on.Install your sprinkler heads.Place the heads, according to your plan, where you have chosen them to go.Bury the head deeply enough that the soil will support them and they will be slightly recess below the top of the turf at your preferred mowing height.Pack the soil firmly around the heads to hold them in position.Turn your zone valve back on, and observe the spray coverage and direction of each head.You can change the total rotation of gear drive heads from O degrees to 3.Because this can vary greatly from one manufacturer to another, read the literature that comes with your heads.Walk the length of your ditches to check for water leaks, and when you are satisfied there are none, turn the valve off and backfill your ditches, packing the soil in firmly.Replace the sod you removed and saved at the beginning of your ditch digging operation, and rake the left over roots, rocks, etc.Go on to your next zone, if you have successfully completed your first one.
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