MH/T 5020-2004 in English

1.0.1 This code is specially prepared to strengthen the management of design works for weak current system engineering of civil terminal building and to improve the system of standards and specifications.
1.0.2 This code is applicable to the planning and design of new, renovated and extended broadcast system engineering of civil airport terminal building and may be reference for the planning and design of building automatic control system for other civil airport buildings and automatic control system engineering.
1.0.3 The planning and design of broadcast system engineering of civil terminal building shall earnestly implement relevant national decrees and rules, pay attention to environment protection and energy conservation as well as actively adopt new technology and new equipment to be advanced in technology, reasonable in cost and reliable in safety.
1.0.4 The planning and design of broadcast system engineering of civil airport terminal building shall be in accordance with current national and relevant professional engineering design standards and specifications other than this code.

Foreword I
1 General Provisions
2 Terms and Symbols
3 System Design
3.1 Arrangement of Broadcast Zones
3.2 Arrangement of Broadcast Calling Station
3.3 Emergency Broadcast
3.4 Sound Reinforcement System
3.5 Power and Sound Amplification
3.6 Broadcasting Equipment
3.7 Line Laying
3.8 Lightning Protection, Earthing and Equipotential Bonding
3.9 Environmental Requirements for Central Control Room and Power Equipment Room of Broadcast System
Appendix A Explanation of Wording in This Code