90 meter-high STEIGER® in use for cultural heritage

In addition to the industrial applications, the new Felbermayr acquisition in the rental segment of aerial working platforms is also an ideal unit for assessing and restoring cultural monuments as demonstrated through the SKYperformance STEIGER® T 900 HF during its use for the Klosterneuburg Monastery.

For several centuries, the sandstone sculptures of the North and South towers are exposed to the weather conditions making them friable.  In order to avoid risks due to falling material, the Monastery Administration commissioned a scientific report. In a first step, brittle material was thereby localised and removed.  The SKYperformance STEIGER® T 900 HF on a Scania chassis from the house Ruthmann designated as F-90 LTK by Felbermayr proved to be an ideal machine in terms of height access technology. 

Maximum flexibility through aerial working platform

With a working height of 90 meters, a lateral outreach of 42 meters as well as a 33 meter-long upper boom, the T 900 HF is the ideal machine when speaking about maximum flexibility for overcoming high situated projecting edges and for working at great heights. Due to the local conditions, it was only possible to reach the towers from western or south parking spaces. The North tower had therefore to be reached by surmounting the 40 meter-high gable of the nave. “Thanks to the aptitude of the platform’s operator and of the Steiger F-90 LTK, this was possible“, explains sales representative Thomas Wiesner who thus confirms that the stone sculptures situated at a height of 65 meters could be reached. The maximal lateral outreach during this work was 40 meters. A possible basket’s rotation angle of 440° made the works efficiently.

Alternatively to this aerial working platform, a scaffolding could have been put up or a mobile crane with a basket could have been used. The costs of these both alternatives would have been higher as those of the aerial working platform. Furthermore, the aerial working platform can be positioned with centimetre accuracy to the historical and filigree sandstone sculptures through a smooth and jerk-free navigation. This gives the operators safety and helps to avoid secondary damages.

In order to prevent risks, approximately 100 kilograms loose sitting stone were removed fol-lowing the report. The complete renovation of the 65 meter-high towers is planned for 2020.