Yangın ve Güvenlik Dergisi 172. Sayı (Ocak-Şubat 2015)

<$1*,1 YH *h9(1/ø. 6$<, 6 Effectiveness and Reliability of Fire Protection Systems 34 Performance based design analyses often involve a compar- ison of the contributions of a variety of fire protection systems to achieve specified design objectives. Fire protection systems can be divided into two categories: passive and active systems. Passive systems include fire-rated barriers and protection of openings in fire-rated barriers, while active systems include systems such as fire detectors and sprinklers. An analysis of the contribution of a particular fire protection system to the achievement of specified objectives should include an assessment of the effectiveness and reliability of the proposed fire protection systems. For the purposes of this article, “reliability” is defined as the probability that a product or systemwill operate under designated operating conditions for a designated period of time or number of cycles. “Effectiveness” refers to the ability of a system to achieve desired objectives. While reliability data for sprinkler systems has been included in NFPA analyses,1 few compilations of reliability data are available in the open literature for other types of fire protection systems. This article provides an overview of the results of recent research that has been conducted to assemble such data from a variety of available sources. Designing Smoke Control Systems 61 Smoke control is not just an engineered system, but rather is a comprehensive approach to fire safety in a building, established by the integration of various building character- istics, features, or systems. Effective smoke control starts with providing automatic sprinkler protection. Properly designed, installed, and maintained automatic sprinkler systems will assist in accomplishing any smoke control, limiting fire growth and therefore the quantity of smoke produced. Modern building codes also address smoke control by varying degrees of compartmentation ranging from corridor walls to smoke barriers and fire barriers. Control features required in air handling systems also address smoke control by reducing the likelihood that smoke will spread through the air handling systems to other parts of the building. Lastly, and the focus of this article, is the incorporation of smoke control systems consisting of natural venting or mechanical systems. Wearable Robotic Protection 86 Once the reserve of superheroes, an exoskeleton suit is now in development to protect industrial workers. Prof Dr Ing Hans Wernher van de Venn, coordinator of the Robo-Mate project, explains. Reducing workloads with technological advancement is now integral to many areas of industrial production. Everyone is familiar with the robot based assembly lines seen; for example, in the motor vehicle industry. 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