




Q: Is there a way to calculate the expected gallons of water used by a system? Maybe, using
an average per sprinkler head based on the # of minutes used?
A: Right: you'll need to know the nozzle number in the head. For example, a number 2.5 nozzle in a Rainbird head would mean
2.5 GPM per head per minute at a given PSI. So 6 number 2.5 nozzles is 15 GPM at a within a specific PSI. However, you'll need a
reference chart for other heads, like the Hunter PGP (where the nozzle number has no correlation to the GPM) or for Nozzles on
misters (spray heads). Check the mfg website and you'll find a pdf. But the best way is to attach a GPM flow meter on your
system. Then you can measure each zone and track your consumption. Installed for about $250.oo. Hope this helps!
Q: Your form preview asks: "Let us know if you'd like your backflow removed." Why is this advisable and does is an additional fee
added to the usual winterization charges?
A: When the backflow is removed it is not necessary to loosen the bolts on the relief valve, open the test ports and loosen the
number 2 check valve. When left outsied all mentioned must be open to allow condensation to drip out. This puts the gaskets, and
internal componets thru freeze, thaw cycles, as well as exposure to elements. By detatching the unit... we don't have to touch the
bolts...and you leave the device indoors for the winter. As the form states, there is no additonal charge.
Q: Do I need to be at home when you winterize the system?
A: No, but we'll need to get to the computer controller. Most of our long term clients leave a remote, or have us lock the side door
as we exit.
Q: By what date do you recommend that winterization be done? Does it have to be before the first freeze?
A: You don't want your system pressurized with temperatures in the twenties. Remember, we have to balance that date with the
reality that it takes us over a month to shut down our clients. If everyone waits, it simply would not be possible to accommodate
them.
Q: How much is a service call?
A: When you place your call, we will determine if 1 or 2 men are required for the scope of repair you've requested.
The rate is $62.00 for one man & $82.50 for two. Rates are hourly. The majority of calls are one hour or less.
Testing of backflows has a special rate of $45.00 for 2010 + any parts. We will not work on your irrigation during the
course of testing (please request regular service visit for this).
Q: Why are you giving $2.00 off to use your e-bill feature, and would you explain what it is a little better?
A: The discount is to promote its use. But we actually save that much by not using letterheads, envelopes and postage to "snail
mail" you. As far as explaining it, well it's simple: Provide us your e-mail address. Once we finish our service call or activity on
your property we'll e-mail you from service@irrigationworks.com Open our e-mail and simply click on the blue link to view your
statement. You'll have the option to print if off or you can pay right then with your credit card. We use PAYPAL Merchants Pro
services, the global leader in secure payment processing.
Q: I don't want to pay you to do a simple adjustment I need. Can you tell me how to adjust my sprinkler heads?
A: Of course. Better yet we'll show you. Just click and scroll to the sprinkler head section. www.irrigationworks.com/helpstation
Q: How much is a new sprinkler system?
A: The size of your property has a large role in the price. So does the level of beds that are around the home, particularly those
beds that touch the home (as we don't want those large lawn heads smacking the house!) Getting us out to provide you a quote is
pain free. I'll put a link at the end of this answer, but in Knoxville, the average property will run from $3000.00 for a modest
project to $8000.00 + for a large property perhaps on the lake and pumping, with many beds and such. Some commercial
projects run tens of thousands of dollars. Here is that link for a free quote; note on it you can upload your blue prints or a snap
shot of your property for a quick quote. www.irrigationworks.com/getquote
Q: My backflow failed inspection. What does this mean?
A: It's alarming to get a report stating "FAILED". Your backflow is designed to keep water from flowing backwards...perhaps
putting pesticides and fertilizers in your neighbors tap. The most common reason we see is worn seats (a bushing where the
poppet rests) gaskets worn out or springs not holding the correct tension. A failed report simply means that your unit is not
meeting State specifications and needs adjustment.
Ask us a quesiton and add it to our list! Just check tomorrow for your answer!