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OS GNSS & GPS Survey

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GPS (Global Positioning Systems) or GNSS (Global Navigational Surveying Systems) Surveying is the most advanced positioning and data recording technology available to the Land Surveyor in today’s world. Using available Satellites from the US, Russia, Europe and China (generally a minimum of 5 satellites are required at any one time, for position initialisation), the Receivers record satellite signals and with internal receiver software, sub-centimetre accurate horizontal and vertical positioning data can be provided about any point or feature. This data can be related either to the OS National Grid Coordinate system or to your project’s own Local Grid. The recorded data can be processed and manipulated by various software applications, depending on client requirements.

The processed data is then available to the Project Team in various forms to ensure everyone has the highest quality information to hand. This is a system set up and controlled by the U.S. Military. They have at the time of writing, in combination the set up is around 30 satellites in orbit around the earth. These satellites send signals to earth, GPS receivers on the ground pick up these signals. The receivers use the signals from a number of satellites to calculate their own position on the earth’s grid reference system with a sub millimetre accuracy, depending on the equipment used.

We have found that GPS surveying technology is versatile and adaptable and could be utilised in most civil engineering and construction projects. It is user friendly and can link up with various software applications to give the professional surveyor an accurate and all-round surveying tool. Surveyors can work independently from other surveyors on site, allowing greater productivity. However redundancy is required to ensure a robust output is acceptable to the deliverables. This may involve multiple readings over a span of time or be proven with conventual means.

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About us

With over 26 years’ experience in the site surveying business, CD Surveys Ltd have a combined wealth of experience in numerous surveying systems that are carried out for both commercial and industrial projects throughout the UK.

Based in Middlesex, our company specialises in supplying the construction industry with expert surveying and consultancy that is second to none, working alongside customers across the country to improve existing projects as well as new ones.

Here at CD Surveys, some of our best known services include;

Land Surveying – Topographical Surveys, Detailed Highway Surveys, Long & Cross Sections, Flood Risk Assessment, Contour Surveys, Volume Calculations.

Site Engineering – Building Monitoring, “As Built” Surveys, Site Setting Out, Verticality Measurements, Grid Lines, Section 38/109 Drawings.

Measured Building Surveying – Floor Plans Surveys, Building Elevations, Building Cross Sections, Verified View Surveys, Street Scene Elevations.

We as a company pride ourselves on professionalism, efficiency and attention to detail. We have developed numerous close working relationships with customers over the years to provide outstanding surveying services that are unparalled within the industry. We will ensure that all clients receive excellent treatment from our team of design technicians and consultants who have worked with some of the UK’s leading brands such as Barratt, Linden Homes, Wates Group and more.

Here at CD Surveys, we provide our services across multiple UK areas including Surrey, Hampshire, Oxfordshire, Wiltshire, Buckinghamshire, Berkshire, Hertfordshire and London. Our team of engineers and surveyors are fully qualified in their areas of expertise, which has allowed for our company to grow significantly in reputation in recent years.

We value the needs of our customers and make it our number one priority to meet their specifications and requirements accordingly.

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CD Surveys 2019 Brochure

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Latest Reviews

CD Surveys Ltd

We used CD Surveys for our large house extention to the rear of the property. We found them very helpful and knowledgeable from intitial contact to job completion.Very happy with the service and would happily recommend.

By Ollie K-4 - 15 December 2023

CD Surveys Ltd

We have worked with CD Surveys for several years now and they have always shown an excellent understanding of our project requirements. They are conscientious in their approach and we would highly recommend them.

By Ronan Bocarro - 24 February 2021

CD Surveys Ltd

We recently contracted CD Surveys to produce floor plans for all the properties in our portfolio in the area of Canterbury, Kent. We also required three site plans for properties which we propose developing this year. It only required one short meeting for us to brief their surveyor who immediately understood our requirements. The job was completed on time and the results were excellent. Their equipment was state-of-the-art and the surveyors highly professional and knowledgeable. It was a pleasure dealing with CD Surveys and we would highly recommend them to anyone needing surveying work.

By David Apthorp of Apthorp Record Housing - 25 January 2021

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