Building Cross Sections

Building Cross Sections

Once the ‘building’ survey has been completed with elevations and floor plans the ‘section’ lines are selected (if not established from the client, Architect or Engineer) and a ‘Cross Section’ is formed from this information. However now that we are ‘Laser Scanning’ more and more buildings and sites the supply of cross sections are more concise.

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.
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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
Volume Calculations

Volume Calculations

Before any volume calculation can be performed a three dimensional digital terrain model is required. This may be from an actual survey we have completed or from a 3rd party source. The more dense the level coverage is over the area the better as this will produce a more accurate model and therefore volume. Break lines, ie. top and bottoms of banks need to defined and a continual ‘string’ around the extents of the site, mound or spoil heap. It should be noted to the reader that we cannot guarantee these volumes as there is ‘Bulking’ to consider and what happens under the mound, heap or land where the volume will be compared to. This is the assumed gradient from one side to the other of the area, mound or spoil heap in question. Output of any volume will be in cubic metres with ‘Cut or Fill’ noted along with the areas calculated.
Floor Plan Surveys

Floor Plan Surveys

For any refurbishment or renovation project, an accurate building survey of floor plans and elevations are essential. Our team deliver your project requirements within a swift timescale and with realistic costs, allowing the project to continue on time and within budget.

Floor plans surveys can be required for record purposes, area calculations, possibly for letting or for refurbishment. The standard prerequisite is to survey walls internally and externally, doors with swings, overhead beams, access to above voids/roofs, windows, stairs, sanitary ware etc. Other detail such as radiators, lights, light switches, major pipework and other fixtures would be quoted as a separate fee. The most common plot scale for floor plans are 1:100m.
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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.