NFPA 520 2021

$80.71

NFPA 520: Standard on Subterranean Spaces

Published By	Publication Date	Number of Pages
NFPA	2021	27

Guaranteed Safe Checkout

Category: NFPA

If you have any questions, feel free to reach out to our online customer service team by clicking on the bottom right corner. We’re here to assist you 24/7.
Email:[email protected]

Description

NFPA 520, Standard on Subterranean Spaces, helps safeguard people and property against fire and related hazards in subterranean spaces and buildings. NFPA 520, Standard on Subterranean Spaces, covers the particular fire and life safety factors in these special environments, including means of egress issues such as orientation and excessive travel distances, poor ventilation, communication difficulties, and nontraditional behavior of fire. The standard allows the following occupancies in new and existing subterranean space buildings: public assembly, business, educational, detention and correctional, health care, board and care, residential, industrial, mercantile, and storage uses. For the 2021 edition, NFPA 520 has incorporated substantial changes: two new chapters have been added to the standard. The new chapters present performance-based design as an option and provide guidance on the required considerations. Required tests for fire resistance rating determination are added for clarification. NFPA 520 is an essential resource for installers, contractors, designers, engineers, facility managers, first responders, and anyone involved with fire and life safety or emergency response in these special environments. It regulates all developed subterranean spaces except tourist caverns, wine storage caverns, gas and oil storage reservoirs, hazardous waste repositories, utility installations such as pump stations, working mines, transportation and pedestrian tunnels, aboveground buildings with belowground stories, and cut and cover underground structures specifically addressed in the building code.

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 Application. 1.4 Retroactivity. 1.5 Equivalency. Chapter 2 Referenced Publications 2.1 General. 2.2 NFPA Publications.
8	2.3 Other Publications. 2.4 References for Extracts in Mandatory Sections. Chapter 3 Definitions 3.1 General. 3.2 NFPA Official Definitions. 3.3 General Definitions.
9	Chapter 4 Fire Protection Approaches 4.1 Fire Protection Approach. 4.2 Fire Risk Assessment.
10	Chapter 5 Performance-Based Design Approach 5.1 Performance-Based Design Approach. 5.2 Goals and Objectives. 5.3 Qualifications. 5.4 Independent Review. 5.5 Final Determination. 5.6 Maintenance of Design Feature. 5.7 Performance Criteria. Chapter 6 Construction Features 6.1 Noncombustible Material. 6.2 Occupancy in Subterranean Spaces.
13	6.3 Compartmentation Requirements.
14	6.4 Interior Finish. 6.5 Electrical Installations. 6.6 Control of Smoke Spread. Chapter 7 Means of Egress 7.1 Means of Egress Within the Building. 7.2 Means of Egress from the Common Space. 7.3 Occupant Load Determination. 7.4 Egress Capacity.
15	7.5 Exit Doors. 7.6 Illumination in Common Spaces. 7.7 Marking. 7.8 Refuge Areas and/or Refuge Chambers. 7.9 Exit Passageway. Chapter 8 Fire Alarm, Detection, and Suppression Systems 8.1 Fire Alarm Systems.
16	8.2 Sprinkler Systems. 8.3 Standpipe Systems. 8.4 Water Supply. 8.5 Maintenance. 8.6 Emergency Power.
17	8.7 Standby Power. 8.8 Alternative Power Supplies. Chapter 9 Emergency Preparedness 9.1 Emergency Action Plan. 9.2 Breathing Apparatus. 9.3 Fire Exit Drills. 9.4 Fire Extinguishers. Chapter 10 Emergency Response Provisions 10.1 Communications. 10.2 Pre-Fire Planning. 10.3 Fire DepartmentEmergency Response Access.
18	Annex A Explanatory Material
19	Annex B Diagrams of Subterranean Spaces
21	Annex C Informational References