Friday, June 29, 2012

Whats the difference between Drip Irrigation and Soaker Hoses?

Here is a great answer to this common question from SAWs website:

Customers frequently ask what the difference is between drip irrigation and soaker hoses. Most of the time, they are grouped together as fairly efficient means of applying water directly to the soil without exposing it to evaporative loss. But, there are some differences and these become important in Stage 2 Drought Restrictions.

Think of them as different types of cars. One is slow and very efficient. The other strains to be fast, but is not very efficient. Drip irrigation can be thought of as the slow, efficient car. It provides water to the soil and plant in a gradual, exact manner. Most drip systems are designed by professional irrigators to maximize coverage. Moreover, drip irrigation is pressure regulated to provide the same amount of water throughout the system.

Soaker hoses, on the other hand, provide water inexactly and in varied amounts. The variations can be extensive if the hose bib is turned too far. Never turn the bib more than a quarter turn. Even then, on a single hose, you may have a lot more water in one spot of the garden than another, and soaker hoses typically put out more water at the front end of the hose. This is because soaker hoses are not pressure regulated or have pressure regulated emitters built in.

In Stage 2, soaker hoses may only be used on your designated watering day and only during the approved hours of 3 a.m. to 8 a.m. and 8 p.m. to 10 p.m. Drip irrigation can be used on any day as long as it's during the approved hours. Watering with a hand-held hose is allowed any time on any day in Stages 1 and 2.

For more information, go to http://www.saws.org/conservation/newsletter/summer/article.cfm?id=260

Soaker Hose Example
Drip Irrigation Example

Monday, June 25, 2012

Watch Out: How to prevent your backflow device from being stolen



Stolen valves are a troublesome problem these days particularly as the economy struggles, and these thefts can be costly. Replacement valves are only a portion of the costs to residents and businesses as the theft often results in damage to the grounds and to the pipes. Additionally, businesses may be forced to close and water service may be interrupted during the repairs.
What is being stolen
A backflow device is located near the water meter and can be above ground or in a box below ground.  It is used to keep dirty water from entering the city water supply and in essence, keeps the neighborhood safe.
Why they may be stolen
The device is typically made of Brass, which is a valuable commodity.  They are being stolen either to reuse by unlicensed individuals on the installation of new ‘bootlegged’ irrigation systems or to be sold for scrap to make a quick dollar.
Remedy
Install a new box to cover the in ground unit and bolt the lid on or install a box with a locking lid.  The above ground units can be covered with a ‘gorilla cage’ that is bolted to a concrete pad.

Wednesday, June 6, 2012

Watch us on TV!

Tomorrow morning Darryl Cook will be on Great Day SA (KENS 5 at 9am).    Darryl will be representing Preferred Landscape and Lighting and discussing LED Lighting.  Show your support and tune in.

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