Tuesday, January 31, 2012

Water Utilities And The Need For Leak Detection Programs_37134

Utilities have some very real water loss issues, and now is the time to adopt an aggressive leak detection program. Over 6 billion gallons of water seem to be either blatantly lost, or completely unaccounted for each day.

So where is this water going? Are meter errors causing it? Or billing issues? Leakage?

The Leak Detection Puzzle:

A question we often get, 揌ow much is it leaking??The answer to that question can be a mystery. Let's look at an easy way to solve this water loss puzzle. This puzzle has definable pieces.

Back in 2003, the American Water Works Association put out an article in their journal. It introduced us to a new audit methodology and identified leakage as the major piece of the puzzle. Here is a workable formula:

Water Production (or Purchases) ?Water Sales = Non-Revenue Water.

Non-Revenue Water = The Puzzle.

The Puzzle consists of three pieces:

1. Un-billed, authorized use (cost of business water);
2. Apparent losses such as billing or metering blunders, or theft
3. Real losses such as overflow and leaks.

Your Leak Detection Program...Implementation:

When it comes to picking the correct methodology and leak detection technology,hermes handbags, you will want to consider which will be the most cost-effective and which will most help you in reaching your baseline UARL.

There are two methods here: one for non-metallic systems and one for metallic.

Leak Detection On Non-Metallic Pipe:

Leaks make noise. You could create a single entry point for the flow but defining individual isolated "zones" and creating one entry point for the flow. Measuring the flow into a particular zone after exposing the main can help with isolating an area of high flow and possible leaking. Then you can perform an acoustic survey of every meter connection, hydrant and valve.

You can detect high flow areas by what is called "squeaking the valve", closing it for a few minutes, and allowing leaks to run, then open it up again very slowly to only about a one-fourth of a rotation sized opening. A vibrating value key with doesn't stop vibrating means there is a leak in that zone. Lack of a problem would be indicated by the valve key vibrating for only a short duration. Developments in underground detection technology has resulted in some amazing detection technology, named "The Innspector 07". This is sort of Star Trek style technology capable of locating pipe of any material buried up to 25ft under ground.

Part of the leak detection method used by some utilities involves creating permanent measuring pits.

Metallic System Leak Detection:

An acoustic leak detection survey will be faster to perform on metallic lines than using district measurements will. District Metered Areas (DMA) are most often used in bigger cities with old infrastructures. But DMA抯 have proved to be more costly.

As well, it can be very error prone and time consuming to measure DMAs and quite ofter requiring corp stops,hermes kelly bags, insertion meters or pilot rods,hermes online, and multiple taps, and acoustic leak detectors are still needed in order to find the exact leak location.

Many detectors and technologies are used today in acoustic leak detection.

For further information on acoustic leak detectors which are used today, along with information on other technologies be sure to see below and follow the links.

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