توضیحات :
NFPA 92A – Standard for Smoke-Control Systems Utilizing Barriers and Pressure Differences
۲۰۰۹ Edition
Chapter 1 Administration
۱-۱ Scope. This standard shall apply to the design, installation, acceptance testing, operation, and ongoing periodic testing of dedicated and nondedicated smoke-control systems.
۱-۲ Purpose.
۱-۲-۱ The purpose of this standard shall be to establish requirements for smoke-control systems that use pressure differences across barriers to accomplish one or more of the following:
(۱) Inhibit smoke from entering stairwells, means of egress, smoke refuge areas, elevator shafts, or similar areas
(۲) Maintain a tenable environment in smoke refuge areas and means of egress during the time required for evacuation
(۳) Inhibit the migration of smoke from the smoke zone
(۴) Provide conditions outside the smoke zone that enable emergency response personnel to conduct search and rescue operations and to locate and control the fire
(۵) Contribute to the protection of life and to the reduction of property loss
۱-۲-۲ The requirements specifying the conditions under which a smoke-control system shall be provided are addressed by other codes and standards.
<< ادامه مطلب را در فایل پیوست مطالعه فرمایید >>
