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134 Category 4: Special Projects 4 Owner Yara Sluiskil Architect Bilfinger Industrial Services General Contractor Bilfinger Industrial Services Engineering Office Bilfinger Industrial Services Construction Period 07/2016 - 08/2016 The Yara company needed to refurbish a 37 m high distillation column as a part of a CUI program at its Sluiskil site. A scaffold had to be built and completely fitted with a shrink-wrap foil. An interesting challenge involved the relatively limited load bearing capacity of the column. A traditional scaffold with a square plan anchored to the column was not possible due to the large forces caused by extreme wind conditions. A large, freestanding scaffold would be an obstacle for normal production activities and would be very expensive. The best solution, therefore, was an aerodynamic scaffold. Rounding-off the edges resulted in an enormous reduction of the wind load. Thanks to this reduction, the scaffold could be anchored to the column. We integrated standard “Layher” wedge head connections to bent scaffold tubes for easy assembly and the perfect solution was complete. The scaffold was designed with SCIA Engineer using its scaffolding module. The dwg-file of the column was imported to make the most optimal design of the scaffold. Both the scaffold and the column were modelled to determine the interaction between the scaffold and the client’s asset. In summer of 2016, the scaffold was built and could be used for the CUI activities until the end of 2016. As a result, the desired goal was achieved: A fairly lean and innovative solution at a good price! Innovative Scaffolding Solution - Sluiskil, Netherlands Bilfinger Industrial Services Contact Gerben Schuurhuis Address Werfplein 5 3238 BH Zwartewaal, Netherlands Website www.is-bnl.bilfinger.com With 60 years of experience, Bilfinger Industrial Services is the benchmark for project and maintenance work to industrial assets for our customers in Belgium and the Netherlands. Our services cover: insulation, scaffolding, rope access, painting, tracing, asbestos removal, fireproofing and noise control. Quality, safety, efficiency and innovations are the cornerstones of the services we provide. Our experienced engineering department is best equipped to guide the entire process of complex scaffolding, always striving for the best possible access solution to meet the needs of our customers.