【One Question per Day】Safe Zone 03-23-2011

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This post was last edited by ray1513 on 2011-3-23 07:04. Which of the following regulations must underground shops comply with? ( ) 　　 A. Business premises should not be located on the third basement floor or below; they must not handle or store goods that are classified as Category A or B in terms of fire hazard. 　　 B. An automatic fire alarm system, an automatic sprinkler system, and smoke control and exhaust facilities must be installed, in compliance with the relevant provisions of these regulations. 　　 C. When the total floor area of the store exceeds 20,000 m2, firewalls must be used for separation, and no doors or windows shall be installed in those firewalls. 　　 D. Firewalls should not be placed at corners. If it is located near a corner, the shortest horizontal distance between the door and window openings on both sides of the interior corner should not be less than 4 meters. E. Illuminated evacuation signs should be installed on the floors or on walls near the floor in evacuation corridors and other main evacuation routes. Note: 1) Please hide your reply; the method for hiding it is: http://bbs.hcbbs.com/thread-492556-1-1.html. Do not edit the reply after sending it. 2) All participants receive a reward. 3) The answer key will be visible after responding. Answer key: ABCE. Article 4.1.5 of the Code for Fire Protection Design of High-Rise Civil Buildings stipulates that underground shops shall comply with the following requirements: 4.1.5.1 The sales area should not be located on the third basement floor or below ； 　　 4.1.5.2 Goods with storage properties classified as Category A or Category B due to their fire hazard should not be handled or stored ； 　　 4.1.5.3 An automatic fire alarm system and an automatic sprinkler fire extinguishing system shall be installed ； 　　 4.1.5.4 When the total floor area of the store is greater than 20,000 m2, firewalls shall be used for separation, and no doors or windows shall be provided in those firewalls ； 　　 4.1.5.5 Smoke control and exhaust facilities shall be provided, and shall comply with the relevant provisions of these specifications ； 　　 4.1.5.6 Lighting emergency exit signs shall be installed on the floors or on the walls near the ground in evacuation corridors and other main evacuation routes.