std_1545163······1

1 General Provisions······11

2 Terminologies and Symbols······12

2.1 Terminologies······12

2.2 Symbols······13

3 Factory Buildings and Storages······15

3.1 Classification of Fire Hazards······15

3.2 Fire Resistance Class of Factory Buildings and Storages······17

3.3 Storeys, Occupied Area and Plane Arrangement of Factory Buildings and Storages······19

3.4 Fire Separation Distance of Factory Buildings······26

3.5 Fire Separation Distance of Storages······30

3.6 Explosion Prevention of Factory Buildings and Storages······33

3.7 Safe Evacuation of Factory Buildings······35

3.8 Safe Evacuation of Storages······37

4 Class A, B, C Liquid and Gas Tanks （Tank Farm） and Stackyard for Combustibles······38

4.1 General Requirements······38

4.2 Fire Separation Distance of Class A, B, C Liquid Tanks （Tank Farm）······38

4.3 Fire Separation Distance of Combustible and Combustion-supporting Gas Tanks （Tank Farm）······42

4.4 Fire Separation Distance of LPG Tanks （Tank Farm）······46

4.5 Fire Separation Distance of Stackyard for Combustibles······48

5 Civil Buildings······50

5.1 Classification and Fire Resistance Class······50

5.2 General Layout······53

5.3 Fire Compartment and Storeys······54

5.4 Plane Arrangement······58

5.5 Safe Evacuation and Refuge······64

6 Building Construction······76

6.1 Fire Wall······76

6.2 Building Elements and Pipe Shafts······77

6.3 Roof, Blind Ceiling and Joints······79

6.4 Evacuation Staircases and Stairs······80

6.5 Fire Door, Window and Fire Roller Shutter······84

6.6 Overpass, Trestle and Pipe Trench······85

6.7 Building Insulation and Exterior Wall Finish System······85

7 Fire Fighting and Rescue Facilities······88

7.1 Fire Lane······88

7.2 Field for Fire Fighting······89

7.3 Fire Elevator······90

7.4 Helicopter Landing Pad······91

8 Arrangement of Fire-fighting Facilities······93

8.1 General Requirements······93

8.2 Indoor Fire Hydrant System······94

8.3 Automatic Fire Extinguishing System······95

8.4 Fire Alarm System······99

8.5 Smoke Control and Smoke Exhaust System······100

9 Heating, Ventilating and Air Conditioning······102

9.1 General Requirements······102

9.2 Heating······102

9.3 Ventilating and Air Conditioning······103

10 Electric System······106

10.1 Fire Power Supply and Distribution······106

10.2 Power Line and Electric Equipment······107

10.3 Fire Emergency Lighting and Evacuation Indicating Sign······109

11 Timber Buildings······111

12 City Road Tunnel······116

12.1 General Requirements······116

12.2 Fire Water Supply and Fire Extinguishing Equipment······117

12.3 Ventilating and Smoke Exhaust System······119

12.5 Power Supply and Other Requirements······120

Appendix A Calculation Method of Building Height and Storeys······121

Appendix B Calculation Method of Fire Separation Distance······122

Appendix C Temperature-rise Curve for Fire Resistance Rating Test and Performance Criteria of Load-bearing Structure in Tunnel······123

Explanation of Wording in This Code······124

List of Quoted Standards······125