Andrew is a director of Mantra Services. A company that specialises in ground penetrating radar and utility locating surveys and has 30 years experience within the industry.
Reading Time: 4 minutes This is one of the questions I am asked the most. “The CAT 4+ is on our approved kit list and we just wanted to check that it is what you use for your survey?” The answer is always the… Read More »The difference between a CAT4 and RD8200 | When to use a precision locator
Reading Time: 6 minutes Ground Penetrating Radar (GPR) is a geophysical survey method that uses pules of electromagnetic radiation to image the subsurface. It has a wide range of applications in fields such as archaeology, environmental science, civil engineering, and law enforcement. In archaeology,… Read More »What is ground penetrating radar? A quick guide to GPR
Reading Time: 7 minutes To give it the full name, the current standard is called PAS 128:2022 Specification for underground utility detection, verification and location. Prior to 2014 there was no fully recognised standard for delivering a utility survey. Even though The Survey Association… Read More »The benefits of a PAS128 survey | What are you paying for?
Reading Time: 5 minutes Probably the question I am asked the most regarding the effectiveness of GPR is how deep can ground penetrating radar see? Of course this is both a simple question and one which is perfectly reasonable for someone employing the services… Read More »How deep can ground penetrating radar see?
Reading Time: 5 minutes We are rightly in an environment where almost every major contractor requires a utility survey prior to commencing work on site. Additionally, clients and consultants also have the completion of a survey as a prerequisite before any design or feasibility… Read More »What are the different methods of a utility survey?
Reading Time: 4 minutes Ground Penetrating Radar is a key element in the utility surveyors toolbox. It also often the most misunderstood by clients. This may be down to the cost of a GPR survey and the occasional reluctance to spend the money getting… Read More »What are the limitations of ground penetrating radar?
Reading Time: 5 minutes The UK construction industry is infinitely safer than it was. Within my working life, the strides made are quite staggering. The industry is to be commended for the actions it has taken in protecting the workforce, the benefits, almost unbelievably,… Read More »What does a GPR survey cost in real terms?
Reading Time: 5 minutes Underground utility survey equipment generally falls into two categories. Those are electromagnetic location and ground penetrating radar. When these tools are used together to detect underground utility lines, the data sets can complement one another to verify the positional accuracy… Read More »What equipment is used to check underground services?