The capacity commonly required sensors includes capability of quickly and properly catching the conditions of a fire and discriminating other factors such as noise, interference, etc. IR flame detector which react to the infra-red rays emitted from the flame. This study is aimed to know the characteristic repond to the specified fire plate. Experiment is acted by manufacture's technical data that is explained relation of detective range and sensitivity.

A diagnosis the concrete structure suffered a fire has an end in the view of safe investigation of structures and judgement of the re-use for the existing facilities to close examination of structural resisting forces and the extent of damages. And then, in this report, it has an object of references needed to fit management of concrete struc-ture suffered a fire, with describing epitome of conerete crack examination, displacement strain investi-gation, stregth examination, steel bar probing & carbonation test.

This paper is aimed to introduce the related marine type fire extinguishers standards between the domestic and the abroad. This is based on the fire extinguishers at chapter 2 -2 Regulation 6. of the International Convention for the Safety of Life at Sea. 1974, and Guidelines for Marine Portable Fire Extinguishers at Internation-al Maritime Organization Annexed Resolution A. 602 (15)

To survive in the 21C every nations in the World squeeze their intelligence. To our country, having a marvelous growth career in viewpoint of the economy, making efforts to renovate. Behind the breath of the economy a lot of law, regulations, standards of industry, and specifications are exists and the in-dustry controlled by these. Regretably in spite of surprising growth of our economy in a short period still keeps them old rules as they have been applies on our industry without change. In the part of the rife resistance standards, espacially for the fire door, needs grad-up much for the recently version compared with the other countries's. The rapid reshape of the world urges us be revolutionized in the part of the software, ie. these unchanged rules.

Our laboratory(FILK), an authorized quality inspection agency in Choong-Chung Buk Do and Kyung-Ki Do, has been executing quality inspection of the products of housing material manufacturers. This report, made for more details on inspection, introduces the quality inspection system of housing materials.