Our challenge was to survey a listed historic water tower that had been badly damaged in a recent fire. The tower was covered in scaffolding and waterproof sheeting and we were only able to remove one side of sheeting for a single day. Our Faro Laser scanner was the only solution to pick up the required detail in such a small time period on what was a very difficult site.

We established site control and related it back to the site datum we had placed for a Topographical Survey carried out several years previously. Then we started to scan the tower both internally and externally using spherical reference targets to help stitch the scans together.

Our brief on tis job was to provide a scan of Romford town centre, so that a massing model could be created by the client.

For this job we used a Trimble SX10.

This isnstrument scans at a lower resolution and slower speed than a conventional laser scanner. However the instrument traverses as a conventional total station, hence there is no post processing of the scanned data. It is all brought back to the office is its correct position in the world.

Stream C GPR being towed over a field near Swindon.

We are checking the field for buried services.

The Stream C surveys a swathe of land 1.2 metres wide.

The Stream C is designed for highway work. We have adapted it for off road use.

The only one in the UK being used off road and it is excellent for buried services or archaeology.

Measured building surveys are meat and drink to us, but every now and again a project comes along that causes at least a moment of head-scratching. Sometimes that is a result of the size of the commission, at other times the level of detail required. One recent request however got us thinking simply about how to produce usable drawings of an extremely complex site.

The site was the swimming pool in Windsor Leisure Centre. The complexity arose from the requirement to show the position of every steel and bracket supporting the water slide, a series of tubes that curls in all three dimensions from the roof to the pool.

Underground Utility Tracing using Ids GPR, Fanborough town centre. Working within Traffic Management provided by Brunel Surveys Ltd

The visuals we are most often asked to produce are Verified Views for planning applications. These are done to specific guidelines that ensure as accurate an interpretation of the proposal is presented as possible.

However, occasionally a job comes along that is more open to interpretation. Such was the case when we were asked to produce a suite of images to help Network Rail show members of the public how replacing the current un-manned level crossings with bridges might look.

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