Oil hazards
services and legal applications. This involves assessing complex situations while taking into account the specific safety objectives and traceable risk assessment. In turn, this requires a high level of
technological expertise and legal knowhow. The outcome should be a cohesive, financially viable fire protection concept that is approved by the local authorities and FRS, and is easy to implement in practice.
Bavarian code
Tank farms are installations of a special type and use, and must be classified as special structures under the Bavarian Building Code. (BayBO). The operation of a tank farm is associated with the handling and storage of substances which are highly flammable and which involve an explosion hazard. Given this, protective measures and safety precautions are not only the responsibility of the operating company, but also a matter of public interest. The BayBO thus stipulates requirements
including material requirements in the form of a ‘General fire protection clause’, which helps to support the protection objectives defined in Article 12. According to this clause, building structures must be laid out, constructed, modified and maintained in a manner that prevents fires and smoke from developing and spreading, and that permits the rescue of people and animals, as well as effective firefighting measures in the event of fire.
However, according to Article 3 (1), deviations
from the technical building regulations are possible if an alternative solution is found that is equivalent with respect to fulfilling the general requirements in paragraph 1. In other words, the requirements in the BayBO are deemed to have been complied with if the rules of architecture and technology that are generally recognised are fulfilled.
System rehabilitation
Following incidents at the Bavarian tank farm, technical inspectors had identified numerous non conformities in fire extinguishing equipment on the premises. The operating company requested a quotation from an engineering firm for the remedial measures, and the list it presented was extensive. At the site, the area in question houses 24 tanks
in which highly flammable liquids with flashpoints of <21°C are temporarily stored in observation of German hazardous substances law. The volumetric capacity of the tanks ranges between 600m3 2,000m3
and . At the time of the inspection, the following
fire protection infrastructure was available at the tank farm: • a non automatic foam extinguisher system with a total foaming agent supply of 10,500 litres distributed across two tanks
• two submerged pumps in the harbour basin nearby with a pump capacity of 180m3
and roofs and providing water supply for firefighting
per hour for sprinkling tank shells
FOCUS
Fire protection must achieve protection goals and is not an end in itself (Source: TÜV SÜD).
www.frmjournal.com OCTOBER 2019 29
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