Introduction
Have you ever wondered how civil engineers and builders locate pipes and cables underground? It’s a challenging task that requires precision and expertise. In the past, finding these underground utilities could cost a fortune. However, with the advancement of technology, a solution has been around for a while – the cable avoidance tool, commonly known as a CAT scanner.
What is a CAT4+, and how does it work?
A CAT scanner is a device that helps detect and locate underground pipes and cables. It works by picking up electromagnetic signals emitted by live cables. The CAT scanner is not a metal detector; instead, it detects signals from power or signal cables. When the cables are not live, a generator can be used to induce a signal into the pipe or cable, making it detectable by the scanner.
Inducing a Signal
Inducing a signal into a pipe or cable is relatively easy when dealing with metal pipes. However, when it comes to plastic or rubber water pipes, it becomes more challenging. In the blog, the author demonstrates how he uses a CAT scanner to locate a water pipe made of either plastic or rubber.
The Challenges
The first challenge the author faces is the strong signal emitted by the generator. Even on low sensitivity, the detector goes off the scale when the pipe is near the generator. After several attempts at different sensitivity settings, the author abandons this method and moves on to plan B.
Plan B: Directly Inducing a Signal
To overcome the challenges of detecting a plastic or rubber water pipe, the author decides to push a cable down the pipe and directly induce a signal into it. This method allows for more accurate position and depth measurements.
Using the CAT4+
The CAT scanner used in the blog has several controls. It has a selector switch to choose between power, signal generator, or both. There’s also a sensitivity dial and a simple on/off switch. The speaker can be unscrewed and held to the ear for better clarity in noisy environments.
The Importance of the CAT4+ In Oman
Although the end of the water pipe remains undiscovered, the CAT scanner has provided valuable information. It has revealed the depth of the pipe and given insights into the construction of the ground. The author suspects that the pipe may have been buried during the house’s construction, explaining the difficulty in locating it.
Conclusion:
Modern technology, such as the CAT4+, has revolutionized the way we locate underground utilities. While it may not always provide the desired outcome, it offers valuable insights and saves time and money. Next time you encounter the challenge of finding underground pipes and cables, consider using a CAT scanner to make the task easier and more efficient.
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