How to Determine the Needs of Lawn Irrigation in Grand Rapids

by | Aug 11, 2012 | Construction and Maintenance

As a homeowner in Michigan you may want to consider lawn irrigation in Grand Rapids. Ita��s only in the last few years that centralized lawn irrigation has been common, prior to that most homes had the lawn and garden watered manually using a hose and sprinkler, lawn irrigation systems were the mandate of parks and golf courses. It is possible, not easy but possible, to install your own underground automated irrigation system but to do so you need to get the calculator out and make some initial decisions.

To effectively have underground lawn irrigation in Grand Rapids there must be ample water pressure. There are two water pressure measurements, working and static. Working of course is the pressure when the water is turned on and static is when the water is turned off. The pressure you need to determine is the working water pressure in psi (pounds per square inch). To check this you will need a gauge which attaches to the outside faucet. When taking the reading make sure that all other faucets both inside and outside are turned off. If you dona��t have or cana��t get a water pressure gauge the average pressure for the neighborhood will be available from the utility company but it may not be accurate for your home specifically.

Getting the size of the water meter is easy, the size should be stamped on or cast into the meter housing and will be 5/8a�?, A?a�? or 1a�?. If youa��re going to source the water from a deep well you will need the pump size which you can get from the manufacturer of the pump or the service manual. This information is also usually found on-line.

The size of the line that you will install for your lawn irrigation in Grand Rapids will want to be the same as your existing water service. To determine the size of your pipe take a piece of string and wrap it around the pipe and measure the length. If your pipes are copper then the lengths of 2 A?a�?, 3 A?a�? and 4 1/8a�? indicate A?a�?, 1a�? or 1A?a�? pipe. For galvanized pipe and schedule 40 PVC pipe the lengths will be 3A?a�?, 4a�? or 5a�?.

Next you need to calculate the flow rate which is measured in gpm (gallons per minute) and you do this by using any container that has a known capacity. This is an important piece of information for the accurate sizing of your lawn irrigation in Grand Rapids system. Turn on the water and record the time it takes to fill the container to the known level, divide the container size in gallons by the time in seconds and then multiply by 60. The result is the flow rate in gpm, simple.

To determine the backflow requirement you must check the local ordinance for the numbers.

You can avoid all this by turning the installation over to a team of professionals. Call Sanderson and DeHaan and have them come out, survey your property and provide you with a free estimate for lawn irrigation installation in Grand Rapids.

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