Why Building Façade Inspection is Needed
A municipal ordinance was passed in 2016 in Cleveland, Ohio, to require façade inspections for buildings of certain age and height to be completed every 5 years – see the detailed ordinance here. Since this ordinance was passed in Cleveland, 2 other major Ohio cities, Columbus, and Cincinnati followed with passing similar ordinances the same year.
As with most ordinances, Cleveland's ordinance passing was a direct consequence of an accident: a parapet wall of an 1890s-era building in downtown Cleveland crumbled, releasing several bricks onto the sidewalk and the road, thankfully without human casualties this time (a parked minivan without passengers was damaged).
The ordinance that was passed requires buildings that are at least 5 stories or 75 feet in height above grade and are of a certain age (between 30-50 years old), to be initially inspected and re-inspected every 5 years.
How was the building façade inspections performed in the past
In the past, this type of inspection was done by inspectors needing to get close to the walls to visually inspect them and document the conditions, which meant erecting and installing the scaffolding, or elevating them by another method, which gets the person close to the source of inspection, but it is not very efficient:
1. It takes time for them to move within the scaffolding, or be elevated by a crane platform to every spot that needs to be inspected and documented
2. It is not the safest for the person involved (a falling accident is a possibility)
3. It can be expensive with the time and equipment involved, plus the addition of insurance costs when performing this work at dangerous elevations.
These types of inspections can be costly to complete when using traditional methods. Facade inspections can run into $10K-$20K, depending on the size of the building. The cost is usually made up by using large equipment or erecting scaffolding structures, inspectors' time that is necessary to visually inspect and document the conditions of the asset, and the report write-up within the guidelines of such inspection.
As one can see, a large proportion of the cost of such inspection is driven up by the resource and time used to visually inspect and document current conditions effectively. The use of autonomous inspection tools that don't require the investment of such resources can cut costs drastically. Drones do just that for such use cases as facade inspections.
Why Use Drone For Building Façade Inspection
A drone allows for the faster and safer acquisition of the visual inspection and documentation data of the current conditions of the façades. Equipment and personnel need is reduced to a drone capable of shooting hi-res photography, and a drone pilot who is qualified to fly safely and legally and can produce such photography.
This photographic output generated by a drone can then be viewed by a qualified design professional on their computer (engineer or architect), certified in the inspection of the specific elements that make up the façade of the structure, and licensed by the State of Ohio, or an inspection agency that is qualified under the Ohio Building Code for Special Inspectors (as per the ordinance).
In addition to basic aerial photography, drone imagery can be set up to be acquired with certain parameters (automated flight path and special photography settings) with an intent of being processed through software to generate point clouds and 3D models, that help capture the building condition overall. Such models allow the inspector to zoom in at any point for a closer look during the inspection, and even produce measurements between points for needed calculations. These models can be stored digitally and updated with a new model at any point in time.
Looking to hire a drone company for a façade inspection in Cleveland?
If a company considers hiring a drone pilot to perform a façade inspection data capture (whether the building facilities management, an inspector or agency), it will need to do its due diligence - see our article Hiring a Drone Pilot for details on how to do that, or contact us to provide you with the quote to perform façade inspection data capture by one of our skilled drone pilots.
If you want to train someone within your organization to fly drones to capture such data, check out our drone training page for drone training classes offered in Cleveland, and contact us to schedule, or sign up for our drone class notification list.