57 gained more attention, meaning to adjust climate parameters without mechanical facilities and artificial climate control systems but through well thought building design and fabrics with abilities to buffer. The advantages lie in the cost effectiveness, a less complicated installation and maintenance and environmental sustainability, as much less energy is required21.These passive, non-mechanical methods often include historic and traditional building techniques. The main aim of passive environmental control strategies lies in the reduction of mechanical strategies and the resulting reliance on constant energy supply and high maintenance. These strategies may be combined, if non mechanical strategies might not be enough [Maekawaet al., 2015227]. As a result, energy-consumption, installation, and operating costs can be significantly reduced. As there are no complex machineries to be maintained, the environmental conditions are generally more stable and reliable. Preventive conservation and passive climate control through appropriate building design are the basis for all further measures. Table 5 summarizes the most important aspects. Requirement Specifies Possible Actions Fire prevention - highest priority! - sources of fire need to be avoidedat all costs - development of a well thought fire prevention and emergency plan - no electrical installations and if required: constant maintenance, use ofelectrical equipment under constant supervision - use of fire-resistant building andinterior materials - no kitchens → no restaurants - installation of warning systems - education and information of owners, employees, and fire department Flood protection The risk of flooding is almost unavoidable due to the direct proximity to the river but may be reducible through appropriate flood prevention measures and structural modifications to the surrounding river landscape. - if possible: barriers and partitionsalong the river sections - water drains leading away from the warehouses flexible use of the ground floors, no storage of valuable objects in this areaand acceptance of regular flooding 21 PEARSON / KING 2000, p. 70. 22Maekawa / BELTRAN / HENRY 2015, p. 92.
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