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Sprinkler Information
09/06/10
Q; How will I benefit from an inground sprinkler system?
A; Since handwatering is done on a random basis, and at irregular intervals,
an automatic sprinkler system will actually, in most cases, use less water.
It will also disperse the water at an even rate, and for a predetermined amount
of time. This allows you to water sunny and shady areas for different periods
of time, and to water when it is most efficient. One obvious benefit is the
ability to continue a watering program while you are away on vacation, etc.
Q; Will the installation make a mess of my lawn?
A; Modern installation techniques have made system installation far less disruptive
than in the past. Sprinkler Systems features trenchless pipe installation.
This is done with a purpose built machine that slices the sod, and lays the
pipe at the same time. In general, the nicer the lawn to begin with, the less
mess there is. In this case, all of the sod is still there, it may just need
to be put back and tamped. A lawn that is in disrepair will be hard to make
look good, as there is no sod to be replaced. In this situation, overseeding
and new growth will be made easier because of the sprinkler system.
Q; How long does a system take to put in?
A; It would depend on the area that is trying to be covered. An average size
lawn (@15,000 sq. ft.) can usually be done in one full day, depending on the
situation. A large country lawn can take anywhere from two to four days. On
average, we spend one to two days on a job.
Q; What type of maintenance does the system require?
A; All systems need to be winterized at the end of the season. This is done
by attaching an air hose to a fitting on the water line, and blowing all of
the water out of the system. Most people that we install systems for simply
turn it back on in the springtime themselves. We do offer the service of opening
systems for the season. The quality of the products used initially, and of the
overall installation, play an important part in the long term service of the
system. The better the products and installation, the less trouble you should
expect in the future. Sprinkler Systems uses the finest products available
in the industry, and strives to provide the finest installations in the business.
Q; What products do you use?
A; Sprinkler Systems features Hunter gear drive sprinkler heads and digital
timers, and RainBird electric valves and sprayheads. These are what we consider
to be the finest products in the industry, which is why we don't use all one
companies products. Please see our "Irrigation Products" section for
more information.
Q; What about underground wires and/or electric dog fences?
A; Sprinkler Systems owns a Dynatel 2250 cable locator. This is considered
to be the finest locator available, and is the same as the phone and cable companies
use. We have had very little trouble with underground wires since we bought
this unit.
Q; What happens when it rains?
A; Sprinkler Systems installs a rain sensor on every system we install. This
device senses rainfall, and will shut down your system when it has received
enough rain. The sensor is adjustable, so it can be set to individual needs
and preference.
Q; How long and how often should I run my sprinkler system?
A; While there are no set parameters for this, here are a few rules of thumb.
The precipitation rates on geardrive/sprayhead zones is about a 4 to 1 ratio.
This means that gear drive zones should be run @ four times longer than sprayzones.
Gear drive zones should be run for a minimum of 30 minutes, except in very shady
areas. In the hot parts of the summer, these should be changed to 45 minutes,
even an hour. Sprayhead zones should be run for 8 to 10 minutes, and bumped
up to 15 to 20 minutes in dramatically hot weather. In the spring and fall,
you should be able to get by with every second or third day. When the weather
gets very hot, once a day is a good idea, as this will keep the lawn from getting
stressed. Time and experience will tell you what will work best on your own
property. For a more detailed discussion of this, go to the "Troubleshooting"
page, and click on "Zone Run Times".
Q; What is a backflow device, and why do I need one on my sprinkler system?
A;A backflow device is generally a brass assembly that will prevent any water
from the sprinkler system from getting into the drinking water supply, and are
required by all municipalities. There are many different types of these, and
each individual municipality has differing requirements for the installation.
Sprinkler Systems is very familiar with most locales, and can provide the
appropriate backflow device for your system.
Q; What does "Head to Head" coverage mean, and can I get by without
it?
A;On any system, one of the fundamentals of design is that each head hit the
one to the left and right of it, and any other heads within its throw. This
provides even water coverage, referred to as "Matched Precipitation".
Really what you are trying to achieve is artificial rainfall. Areas with only
single coverage might fare well in cool conditions, but will be the first to
brown up in very hot weather. You are far better off to design and install the
system properly to begin with, as it is much harder and expensive after the
fact to add or move heads to compensate for dry areas. You can always run zones
with single coverage heads longer, but now you are over-watering the double/triple
coverage areas to compensate for the single coverage areas. Head to head coverage
is paramount for a lush, green lawn.
Q; Will water alone keep my lawn that deep green color?
A;While water is the key ingredient for a healthy lawn, it is not the only answer.
Fertilization is generally required for that lush green look, as is bug control.
We get calls a lot in the summer from people that think there is something wrong
with their sprinkler system, but upon inspection, there are bugs destroying
the lawn, or they have not used any fertilizer. If you are unfamiliar with fertilizer
and pesticides, we recommend that you contact a company in that business to
look after your lawn. Having a sprinkler system installed is the first step
towards a healthy, green lawn, but it is not the only step.
Q; What is the difference between gear drive heads, and sprayheads?
A; Gear drive heads have a water powered motor that makes the upper part of
the head rotate. These heads are used for large turf areas, with throws of 15
to 35 feet. They are adjustable not only in the precipitation rate, but the
arc as well. Sprinkler Systems uses only Hunter gear drive heads, which are
easily changed from 40 degrees, to a full 360 degree rotation. Sprayheads are
generally used for smaller or oddly shaped turf areas. Some companies still
use them in flower and plant beds, but we prefer to use drip irrigation in these.
Sprayheads have no moving parts, and emit a spray of a particular pattern. The
nozzles are interchangeable, and come in circular, rectangular, and square patterns,
with throws of four to fifteen feet. The precipitation rates of these two types
of heads are dramatically different, and should never be mixed on the same zone.
Q; What is drip irrigation, and can I benefit from it?
A; Drip irrigation is a method where small amounts of water are placed directly
on the root ball of plants, therefore using the water more efficiently. This
is done with a network of small tubing that is all tied together, and provides
water to many plants at once. A drip zone will usually run for several hours,
not twenty or thirty minutes. It is generally considered to be better for most
planting beds than topical watering, and also more water conservative. Your
particular situation would dictate whether it was right for you.
Q; Why should I choose Sprinkler Systems to install my system?
A; Sprinkler Systems has a reputation for doing the best work in the business.
We pay attention to the small details, and take great pride in each and every
system we install. At Sprinkler Systems quality is our standard, not our goal.
We generally only service our own systems, allowing us to take better care of
our primary customers. Owner Dave Eilenberger is backed by 15 years in the irrigation
business, and has an extensive background in the well and water pump fields.
Sprinkler Systems is a licensed NH pump installer, and can take care of any
and all irrigation needs that you have.
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