Flood Risk Assessment

Flood Risk Assessment

Floor or DPC level surveys related to GPS or Ordnance Survey Bench information can then be used to determine whether a building or area of land is liable to flooding. Our information is generally then issued to the Environmental Agency or a specialist company who will then provide a concise report for any Floor Risk Assessment.
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Other Products and Services from CD Surveys Ltd

3D Laser Scanning

3D Laser Scanning

The relatively new technology of 3D Laser Scanning is a non-contact technology that digitally captures the shape of physical objects using a line of laser light. 3D laser scanners create ‘point clouds’ of data from the surface of an object. In other words, 3D laser scanning is a way to capture a physical object’s exact size and shape.

Using either our Leica P40 scanner or our FARO X 130 3D scanner enables us to record information from site accurately and quickly and in a format that can easily be transferred into design drawings.

Our specialist team of experienced surveyors are able to capture data at a rate of up to 1 million points per second, as a result measurements can be made quickly and easily without return visits to site.

We currently offer the use of the laser scanner for various different services:

Detailed measured building surveys
Street scene elevation surveys
Highway surveys
As-Built surveys
Monitoring
Heritage scanning for posterity
Inaccessible and hazardous locations

We can present the data to you in the following formats:

2D drawings (Elevations, Cross Sections, Floor Plans)
Point Cloud
3D Model
BIM / Revit Models
‘As Built’ Surveys

‘As Built’ Surveys

We can provide details and plans of the project including the “as constructed” stage of works, i.e. these “as built” surveys are very useful to determine whether the construction tolerances have been met, for instance, lift shaft verticality, the levelling of floors and accuracy of the ‘service holes’ within the site are a few instances that come to mind.

A subset of the layout of buildings, but fundamentally distinct, piles are the stress points of any good design and precise location is crucial and cannot simply be corrected at a later stage. Naturally we take great care with all our work and consider thorough checking of all work and data to be a large part of the finished process. For this we prefer to have access to all electronic data from the architects and consulting engineers to verify that all the information “fits” together before we go to site.
DJI Aerial Drone Survey Systems

DJI Aerial Drone Survey Systems

Our aerial surveying capabilities have been expanded with two professional, survey-grade DJI platforms: the DJI Matrice 4E and the DJI M300 RTK. These state-of-the-art systems enable rapid collection of highly accurate aerial data, making them well suited for construction, land development, and infrastructure projects.

Aerial imaging offers a safe, precise, and efficient way to capture detailed site information from above. Drone surveys significantly reduce time spent on-site and allow access to hazardous or hard-to-reach areas without risk. The resulting high-quality datasets integrate seamlessly with ground surveys and CAD deliverables, providing reliable and efficient project outcomes.

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CD Surveys Ltd

Pentire Stable, Fordbridge Road, Sunbury On Thames, Middlesex, TW16 6AX, United Kingdom

CD Surveys Ltd are a Middlesex-based surveying and engineering company specialising in architectural solutions for interior and exterior structures. Specialising primarily in land surveying, site engineering, measured building surveying and 3D laser scanning, our company has an impressive wealth of experience in professional surveying and consultancy for commercial and industrial projects. We are a very customer-focused company providing professionalism and efficiency across all applications, working closely with all clients to ensure that they receive excellent service.