173 Category 4: Special Projects 4 Contact Jeroen Herremans Address Leo Baekelandstraat 5 B-2950 Kapellen, Belgium Website www.xervon.be XERVON stands for the prompt provision of both material and personnel for individual and constructive specialist solutions with exceptional structural engineering requirements, and for a perfect implementation in terms of operational safety. With our extensive network of branch offices, we are in a position to provide the presence, flexibility and contract processing at short notice that you expect of a service provider today. XERVON has longstanding experience in the following fields: Scaffolding, Insulation, Surface technology/corrosion protection. Owner Lanxess Architect J. Herremans General Contractor Xervon Engineering Office Xervon Construction Period 01/2015 - 02/2015 XERVON was asked to provide a scaffold including a cassette roof around a storage tank. Shrink wrap was heat shrunk around the complete scaffold in order to create the perfect working conditions to renew the coating and insulation of the tank. Scaffold dimensions: Length/Width = 28.0 m - Height = 14.0 m - 17.0 m Tank Dimensions: Diameter = 20.0 m - Height = 12.0 m Drawings and stability calculations were made using the software SCIA Engineer. Drawings of the scaffold and the cassette roof elements were used to organize the lifting works of the cassette roof elements. Because the scaffold was completely sealed with shrink wrap a maximum wind load of 8 Bft. was set in agreement with the client. Shrink wrap would be removed in case of a wind load > 8 Bft. The most challenging aspect was the assembly of the cassette roof. The length of one cassette element measured 29.1 m. The little space that was available had to be used optimally. Lifting these elements into place and making sure they were aligned properly was crucial in order to be able to place the roof plates. This project was successfully completed on 19/02/2015. Scaffold & Cassette Roof, Storage Tank - Antwerp, Belgium SE XERVON
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