Roof Inspection

Roof Inspection

Using drones to assess the condition of the school roof and identify defects and leaks, minimising disruption to the school.

Drones are able to give a thorough view of a roof and establish which parts will not need further inspection.
This has ensured that roof inspections can be safer, faster and more efficient.
DroneWorks were commissioned by Corpus Christi High School to complete a photographic Roof Survey to assess the condition of the roof and identify defects and leaks.
The school building in question, was a large, 2 story flat roofed structure, difficult to access quickly and safely.

Service:

Date:

September 2019
Aerial view of Corpus Christi High School whilst on site.
These systems can make inspections faster and more efficient, while also reducing safety concerns.

DroneWorks

Roof surveys were traditionally undertaken using scaffolding, cherry pickers, ladders and physical roof-walking. These methods are time-consuming, costly and carry a not insignificant safety risk.

In addition, access to the roof may be limited meaning crucial data can be missed entirely.

 

Situation

Traditionally, the school site manager would have to hire scaffolding or a cherry picker, usually rented a week at a time, approximately £500, when it is only required for one inspection.

A trained operator is required to operate the equipment who must have a safety at heights qualification to make use of it for the inspection.

This all adds time, cost, complexity, in addition to risk.

 

Solution

Drones are able to give a thorough view of a roof and establish which parts will not need further inspection.

This ensures that roof inspections can be safer, faster and more efficient.

 

Using drones to inspect the roof is quick, especially compared to deploying scaffolding or cherry pickers which would require the yard to be closed off to pupils whilst in place.

DroneWorks were commissioned by Corpus Christi High School to complete a photographic Roof Survey to assess the condition of the roof and identify defects and leaks.

The school building in question, was a large, 2 story flat roofed structure, difficult to access quickly and safely.

 

The inpsection was carried out quickly, out of school hours, with o disruption to the running of the school.

 

DroneWorks provided the school with a photographic Roof Survey to assess the condition of the roof and identify defects and leaks.

The school building in question, was a large, 2 story flat roofed structure.

 

Process

After planning & risk assessment, our survey was completed in 30 minutes using our Phantom 4 Pro, a fraction of the time it would take for a manual inspection with little of the associated risk.

These systems can make inspections faster and more efficient, while also reducing safety concerns.

We took high resolution images of the roof, facias and guttering.

A potential water entry point was identified. High resolution imagery and video was hosted on our secure cloud storage.

Damp patch on roof

This method means that the school yard would not have to be cordoned off for scaffolding or site equipment which may be in place for several days.

High resolution imagery of the roof in addition to 4k video, allowed the site manager to review the outputs and decide if a repair is necessary.

If repairs are required, a follow up inspection can be scheduled to enable the site manager to check that the repair is satisfactory.

 

Whilst on site, we also completed a mapping task, capturing approximately 300 images, stitched together to create a map of school.

The site manager will make use of this map to communicate fire assembly locations and areas for routine maintenance tasks with staff and pupils.

Orthomosaic created from nadir imagery
High resolution image taken during the survey, identifying potential failure of rood lining.

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