At CSW Survey Ltd, we offer a range of underground services with an experienced team of surveyors, who understand the importance of reducing the risk on site by knowing what lies beneath prior to any excavation or drilling works.
Our teams are provided with industry standard radio frequency detection equipment and ground penetrating radars, This with our extensive knowledge allows us to achieve the best possible results when conducting an underground utility survey to allows us to successfully find the location of various assets within the ground.
Our findings can be easily presented in CAD format and overlaid onto a topographical drawing, or can simply be marked on the ground if required. Information such as pipe sizes, directional flow and materials can also be included in any CAD drawing when we undertake our underground surveying.
The BSI's PAS128:22 standard specification provides a clear format to express the resolution and quality of detection of individual utilities. There may be many different levels of detection across one site, so this extra information can be useful when undertaking invasive site works.
At CSW Survey Ltd we can provide you with a fully PAS128 compliant utility plan as required, and a choice of Quality levels depending on the clients requirement are as described below.
The survey type
This PAS takes a hierarchical approach to the survey types used in recognition that different clients at different stages of an asset life cycle require different levels of accuracy and confidence in the data provided. This PAS defines four types of survey:
a) desktop utility records search (survey type D) – where underground utilities are identified through the collation and analysis of existing paper/online utility records;
b) site reconnaissance (survey type C) – where existing records are supported and validated by the visual inspection of physical evidence observed or recorded during a site visit;
c) detection (survey type B) – where underground utilities are detected and located by geophysical techniques and geospatially located; and
d) verification (survey type A) – where underground utilities are observed within and located at a manhole or inspection chamber or are excavated and exposed.
Equipped with industry-standard radio frequency detection equipment and advanced ground penetrating radars (GPR), our dedicated teams possess the necessary tools and knowledge to achieve the best possible outcomes when conducting utility surveys and Mapping. We understand that accurately locating and identifying various assets within the ground is crucial, and our expertise in utilising these advanced technologies ensures that we consistently deliver superior results.
At CSW, 1we understand the importance of providing our clients with easily understandable and actionable information. Our findings can be seamlessly integrated into CAD format, allowing for clear visualisation and precise overlays onto topographical drawings. We go the extra mile by including crucial details such as pipe sizes, directional flow, and materials within the CAD drawings. This comprehensive approach ensures that our surveys provide you with the necessary insights to make informed decisions for your project.
By using CSW Survey Ltd for your underground survey needs, you can effectively mitigate risks associated with excavation and drilling works. Our surveys offer a clear picture of the underground infrastructure, helping you avoid potential damage to utility lines, pipes, and other vital assets. By gaining this critical knowledge beforehand, you can plan and execute your project with enhanced efficiency and confidence, saving both time and money in the process.
With 25 years' experience in the industry, CSW has earned a reputation for delivering high-quality surveys. Our skilled surveyors possess extensive knowledge and expertise, ensuring that each survey is conducted with utmost professionalism and precision. We take pride in providing reliable, accurate, and actionable results, backed by our unwavering commitment to excellence and client satisfaction.
As part of an ongoing district heating project around Bristol, our client required a PAS128 Utility Survey and topographical survey to be conducted on the roads and footpaths within our survey boundary. The survey data will be used by a design team, to establish the route for the new district heating infrastructure.
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