East Croydon Post Office – Drone / Air – Land Surveys

Project value:
Project Commenced:
August 2020
Project completed:
October 2020
Network Rail

About the project

The client intends to develop a disused post office depot in East Croydon. Accordingly, Enable Design (formerly known as Equate Design) were asked to undertake aerial surveys to produce a condition report to help facilitate future decision-making when a scope of works is established to develop the site in the future.

The primary aim of these works was to determine the presence of any immediate hazards or risks posed to the public between the date of the surveys and when the future development takes place.

The challenge

The initial challenge for the survey was within the brief itself: that is, to provide a visual-only condition report without access to the interior of the building.

The initial external visual-only challenge was exacerbated by the fact that both East Croydon Station and a tram line neighbour the building. This made initial proposals of a crane-assisted survey difficult due to the heavy pedestrian footfall and difficulty accessing certain sides of the building.

The solution

Both challenges were mitigated by conducting the survey with a camera attached to an aerial drone. High-resolution elevation photos were easily taken of all faces of the buildings. The elevation photos were enhanced and sectioned, allowing a clear view of any external defects. Pedestrian areas were much easier to cordon off when needed, and the drone was able to access areas of the building which would be inaccessible by crane.

The Team

  • Project Manager
  • Survey Engineers

The deliverables

  • Aerial photography
  • Condition report

Outputs & Benefits

The main benefit of using this approach was that access requirements were kept to a minimum, so reducing the risk of potential injury to surveyors. The other benefit was that, in using a drone to take the photos of the condition of the building, we were able to take photos from any viewing position and so helped Network Rail to build a clear understanding of what the condition of the building was. This will help tremendously when plans are created for the future development of East Croydon Post Office.

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