Cross Connection: an unprotected connection point between a drinking water source and any source of nonpotable water.


Irrigation
A cross connection is defined as an unprotected connection point between a drinking water source and any source of nonpotable water. If a cross-connection point is not protected, it is possible for the flow of water to reverse its direction.    More
 
Monday, April 21, 2008 KATIE NAVARRO

Backflow Prevention: Protecting Water, Protecting Yourself


Backflow
For potable water, life is a series of one-way streets. Safe drinking water depends on all “traffic” within a water system to move in the direction it’s supposed to. Fresh water flows one way. It isn’t supposed to turn around and travel in the other direction.    More
 
Monday, June 5, 2006 ELIZABETH LEXAU

Don't Let the Irrigation Business Scare You


Miscellaneous
If you’ve never worked on irrigation before, upon close inspection an irrigation system might appear to be a jumble of wires running here, there and everywhere, valves that work in a way you don’t understand, and pipe running underground.    More
 
Thursday, February 1, 2007 DENNE GOLDSTEIN

Irrigation Wire: The Landscape's Central Nervous System


Irrigation
As manual irrigation control has been replaced by automatic control, communication between the automatic control device and the valves has become critical to the integrity of any automatic system. Like the nerves that carry impulses between neurons and the brain. If the message is corrupted between the two, so will be the resulting response.   More
 
Monday, September 22, 2008

Balancing System Hydraulics: Pressure for Performance


Irrigation
Perhaps the most overlooked problem with landscape irrigation system performance is pressure. A healthy balance of pressure is good for the performance and longevity of your irrigation system, and thus the aesthetics of your landscape. Keeping some fundamental hydraulics in mind, minimizing the impacts of too much or too little pressure in an irrigation system is simple, quick and effective.    More
 
Monday, September 22, 2008

Irrigation Piping Materials: Past & Present


Irrigation
The conclusion of World War II marked the introduction of new technologies to private industry that were developed for the war effort. One that would certainly revolutionize the residential/commercial marker of the irrigation industry was thermoplastic pipe.    More
 
Monday, September 22, 2008

The Basics of Irrigation


Miscellaneous
LET’S ASSUME THAT YOUR COMPANY gets a contract with a homeowner whose property encompasses the size of two football fields, and, in addition to regular lawn maintenance, that homeowner wants you to install an irrigation system. You and your employees are all very happy—after all, this is a big job.   More
 
Sunday, February 22, 2009 DANNY FASOLD

DAVE PAGANO


Close-Up Profiles
The irrigation industry was completely different than what it is now when David D. Pagano designed his first system in 1957. Smart controllers were years away from being invented, as were sensing devices. If you asked anyone in the industry what a rotary nozzle was, most likely your answer would have been a silent, quizzical look from someone wondering what on earth you were talking about.   More
 
Thursday, April 16, 2009 DANNY FASOLD

Case Study: Emitters Conserve Energy & Water


Drip Irrigation - Low Flow
THE SUMMERS IN SOUTHERN CALIFORNIA ARE NO JOKE. The sun pounds the landscape like a hammer, and it’s not unusual for temperatures to reach the ’90s before noon. But the summer of 1999 was particularly brutal.    More
 
Monday, June 15, 2009

20 Water Conservation Ideas


Miscellaneous
AS A HORTICULTURALIST AND AN IRRIGATION CONTRACTOR, I WITNESS FIRSTHAND THE STAGGERING AMOUNT OF WATER wasted every day in an effort to maintain a beautiful landscape.    More
 
Friday, August 14, 2009 David Johnson

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