Our Ground Penetrating Radar Department
Ground Penetrating Radar (GPR) uses radio waves to image the below ground environment. GPR allows non-destructive analysis of structural and buried features. Using a range of different antenna technologies GPR can be handheld or deployed via push carts or vehicle mountings. Catsurveys combines pulse and stepped frequency antennas with GNSS or total station positioning to provide a complete solution to your site requirements.
Our dedicated GPR department uses the latest technology combined with years of expert knowledge and experience to provide GPR services across markets and sectors. Using a number of cutting edge GPR antennas combined with a wide variety of deployment methodologies means the team can deliver GPR surveys in most circumstances providing vital underground data.
Our GPR Department offers a wide range of surveying and consultancy services to Local Authorities, Civil Engineering, Building Contractors, Major Utility Providers and the Aviation Industry. We carry out small to large scale surveys and can incorporate all data to produce models, reporting and achieve industry specifications.
PAS128 Utility Detection
Catsurveys uses both EML and GPR as key technologies in delivering the highest quality underground utility surveys. Each detection method is recorded geospatially, and data compared against each other and existing utility records. By evaluating this data, a clearer understanding and parameters of confidence can be established. The primary focus is to fulfil M1P-M4P survey methods.
When considering the cutting, coring or drilling of concrete it is important to evaluate what may be hidden within the material. This most commonly consists of reinforcement, post tension cables and conduits. Damaging the internal structure of concrete can be costly to repair, have an impact on a project schedule and create safety hazards on site.
Assessment of this nature can also detect slab thickness, signs of voiding, erosion and degradation that are undetectable from the surface. This can provide a valuable insight and focus areas that require remediation.
GPR can be utilised for asphalt thickness evaluation and be collected at highway speeds, eliminating the need for road closures and traffic management. Large volume surveys of pavement layer thickness can be captured and used to assess areas requiring remediation or as a quality check procedure for newly laid networks.
Bridge Deck Inspection – Condition Assessment
Collecting reliable and quantitative data of bridge decks allows for areas of deterioration to be highlighted. Our survey can assist in evaluating pavement thickness, damage, cover to top layer of reinforcement etc.
Large Scale Feasibility Study
We offer the opportunity to capture data on a large scale. Covering kilometres of road network, it is possible to evaluate utilities, structures and pavement layering with a data set that can be useful for the entire lifespan of a construction project. Identifying areas for further survey works, potential clashes with the proposed design, inconsistencies in current records, clear space and the presence of unknown infrastructure such as culverts that can affect the installation of new utility networks.