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
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Other Products and Services from CD Surveys Ltd

Contour Surveys

Contour Surveys

Any land (or elevations) with contours depict the ‘undulations’ on the surface of the site or area in question and these are normally shown at quarter or half metre intervals related to the site or Ordnance Survey Grid System and height datum. On elevations these can show irregularities with the contours depicted at 5 − 10mm and could show ‘sags or bulges’ in the façade or structure. Data supplied by CD Surveys or by a third party can be processed, then presented as a fully edited three dimensional Digital Terrain Model (DTM) for the use in Engineering Design on Micro station MX (MOSS) or the PDS design systems.
‘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.
Topographical Surveys

Topographical Surveys

Topographical Surveys are used to establish and describe the ‘undulations’ or contours of the ground being surveyed including exact positioning of features on and around the area being mapped. Features such as trees, buildings, pathways, roads, gullies, manholes, utility poles, walls, etc are accurately surveyed. Topographical Surveys are commonly used for; record mapping, boundaries, building positioning, property sale, planning permission and many more. Provision of the above information can be issued in 3 dimensions for input into a BIM system for total management of a building or construction project.

We carry out all topographical surveys in accordance with the standard ‘Topographical Survey Specifications’ as set by The Royal Institution of Chartered Surveyors (RICS), the Land Surveyor and the Architect (LSA) and the Manual of Contract Documents for Highways Works, Volume 5, Section 1, Highway Agency and Department of Transport.

CD Surveys Ltd is a proud member of the TSA (The Survey Association) with our chairman, David Watterston a member of the board of directors. For more information regarding Topographical Surveys or to understand what a topographical survey is please follow the link below to the TSA website for more information. www.tsa-uk.org.uk
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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.