 Referens projektFallskydd för gående i regnvattentunneln i VelbertSince the old intermediate basins and lines were not compliant with the latest technological standards, construction work for the essential renovation of the drainage and wastewater system in Velbert/Rheinland was taken up in spring. The project was undertaken by the Velbert Department of Public Works.
The new concrete rainwater and drainage channels (diameter 1.80 m or 2 m) laid in the foundation must be accessible for maintenance. Personal protective equipment is essential since the pipes could be slippery from inside. The Department of Public Works recommended the name of Chr. Dalloz from Hof as a supplier of personal protective equipment to AWT Abwassertechnik from Eisenach, which was awarded the construction project. Since a complete offer on the delivery & assembly was requested, the offer was submitted through Benzenberg & Zemke, a company based in Essen which is a specialist in the field of fall protection and conveyer systems. MultiRail – made entirely of stainless steelNot only was a quick solution desired, but a special additional requirement was that the personal protective system should be made entirely of stainless steel. As a standard, most of the components of the Söll MultiRail rail system are made of stainless steel. They are extremely easy and uncomplicated to handle. Thanks to the technical support provided by Söll for the project, the missing track connectors, also made of stainless steel, could be customised and delivered within the shortest possible time. Walking protection elements in sub-sections of up to 200 m were installed over a total length of 1270 m. Rails were installed overhead at an angle of 45° to the perpendicular axis of pipes such that the head room available for the users inside the pipes could be utilised optimally. It was also ensured that the rails were positioned at ergonomically favourable points so that they can be used as handrails. In the event of a fall, they arrest users thereby preventing them from falling into the sewage. The user must wear a full body harness and use a lanyard (length 1 m) or a rope shortener with a shuttle to connect to the rail. Thanks to an opening mechanism, the MultiRail shuttle can be detached from anywhere on the rail. The user can also attach the shuttle to the rail or detach it from the rail the end of every sub-section in the exit shafts using openable end stops. The work will continue up to 2007.
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