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NFPA 92 2021

NFPA 92 2021

$80.71

NFPA 92: Standard for Smoke Control Systems

Published By Publication Date Number of Pages
NFPA 2021 99
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Help ensure smoke control systems will effectively manage smoke in the event of a fire with NFPA 92. NFPA 92, Standard for Smoke Control Systems, combines the requirements of former standards NFPA 92A, Standard for Smoke-Control Systems Utilizing Barriers and Pressure Differences, and NFPA 92B, Standard for Smoke Management Systems in Malls, Atria, and Large Spaces. It covers all types of systems used to address the impact of smoke, as well as their design, installation, and testing. A one-stop reference for enforcers, engineers, architects, and industry professionals concerned with or responsible for public safety. In the 2021 edition of NFPA 92, several chapters have been revised. The requirements for door design numbers in Chapter 4 and the requirements for the number of doors that must be open during testing of smoke containment and stairwell pressurization systems in Chapter 8 have been edited for clarity to only apply to doors that automatically open as part of the smoke control strategy. In addition, new Annex A material has been added to help guide professionals working with systems with makeup air velocities exceeding 200 ft/min (1 m/s). Finally, equations and values were updated throughout NPFA 92 to make the document fully compatible for SI (metric) users. The chapters in NFPA 92 address topics, including, but not limited to, the following: Design fundamentals Smoke management calculation procedures Building equipment and controls Smoke control system documentation Testing

PDF Catalog

PDF Pages PDF Title
2 Important Notices and Disclaimers
3 Additional Important Notices and Disclaimers
7 Chapter 1 Administration
1.1 Scope.
1.2 Purpose.
1.3 Retroactivity.
1.4 Equivalency.
1.5 Units and Formulas. (Reserved)
Chapter 2 Referenced Publications
2.1 General.
2.2 NFPA Publications.
2.3 Other Publications.
8 2.4 References for Extracts in Mandatory Sections.
Chapter 3 Definitions
3.1 General.
3.2 NFPA Official Definitions.
3.3 General Definitions.
10 Chapter 4 Design Fundamentals
4.1 Design Objectives.
4.2 Design Basis.
4.3 Design Approaches.
4.4 Design Criteria.
11 4.5 System Operation.
12 4.6 Stairwell Pressurization Systems.
4.7 Elevator Pressurization Systems.
4.8 Zoned Smoke Control.
13 4.9 Combination of Systems.
4.10 Vestibules.
4.11 Doors.
Chapter 5 Smoke Management Calculation Procedures
5.1 Introduction.
5.2 Design Fire.
14 5.3 Mass Consumption.
15 5.4 Smoke Layer Calculations.
5.5 Rate of Smoke Mass Production.
18 5.6 Number of Exhaust Inlets.
19 5.7 Volumetric Flow Rate.
5.8 Density of Smoke.
5.9 Varying Cross-Sectional Geometries and Complex Geometries.
5.10 Opposed Airflow.
21 5.11 Scaling Laws.
Chapter 6 Building Equipment and Controls
6.1 General.
6.2 Heating, Ventilating, and Air-Conditioning (HVAC) Equipment.
6.3 Smoke Dampers.
6.4 Smoke Control Systems.
24 6.5 Energy Management.
6.6 Materials.
6.7 Electric Services Installation.
Chapter 7 Smoke Control System Documentation
7.1 Documentation Required.
7.2 Detailed Design Report.
7.3 Operations and Maintenance Manual.
25 Chapter 8 Testing
8.1 General.
8.2 Preliminary Building Inspections.
8.3 Component System Testing.
8.4 Acceptance Testing.
27 8.5 Testing Documentation.
8.6 Periodic Testing.
8.7 Modifications.
Annex A Explanatory Material
50 Annex B Predicting the Rate of Heat Release of Fires
62 Annex C Computer-Based Models for Atria and Malls
67 Annex D Additional Design Objectives
70 Annex E Stratification of Smoke
71 Annex F Types of Stairwell Pressurization Systems
73 Annex G HVAC Air-Handling System Types
74 Annex H Fire Fighters’ Smoke Control Station (FSCS) Considerations
75 Annex I Information on Testing for Leakage Between Smoke Zones
76 Annex J Advisory Information on Acceptance Testing
77 Annex K Example Problems Illustrating the Use of Equations
81 Annex L Comparison of Equations
84 Annex M Tenability
87 Annex N Informational References

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NFPA 92 2021
$80.71