Several years ago Zeppelin Systems, Friedrichshafen, Germany, introduced the Bolt-Tec concept, whereby silo sections no longer need to be welded but can instead be bolted together on site, allowing faster assembly times and a reduction in shipping costs of up to 30%. Bolt-Tec silo segments can be transported in standard freight containers. Compared to transporting a complete silo, freight costs for a 40ft container are considerably less. This is especially beneficial for regions with less developed infrastructure where conventional silos can only be moved by expensive wide-load transport.

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