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NFPA 520

Standard on Subterranean Spaces

active, Most Current
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Organization: NFPA
Publication Date: 1 January 2021
Status: active
Page Count: 28
scope:

This standard addresses the safeguarding of life and property against fire, explosion, and related hazards associated with developed subterranean spaces.

This standard does not cover the following types of subterranean spaces:

(1) Tourist caverns

(2) Wine storage caverns

(3) Gas and oil storage reservoirs

(4) Hazardous waste repositories

(5) Utility installations such as pump stations

(6) Working mines

(7) Transportation and pedestrian tunnels

(8) Aboveground buildings with belowground stories

(9) Cut and cover underground structures specifically addressed in the building code

Document History

NFPA 520
January 1, 2021
Standard on Subterranean Spaces
This standard addresses the safeguarding of life and property against fire, explosion, and related hazards associated with developed subterranean spaces. This standard does not cover the following...
NFPA 520
January 1, 2016
Standard on Subterranean Spaces
This standard addresses the safeguarding of life and property against fire, explosion, and related hazards associated with developed subterranean spaces. This standard does not cover the following...
NFPA 520
January 1, 2010
Standard on Subterranean Spaces
This standard addresses the safeguarding of life and property against fire, explosion, and related hazards associated with developed subterranean spaces. This standard does not cover the following...
NFPA 520
January 1, 2005
Standard on Subterranean Spaces
A description is not available for this item.
NFPA 520
January 1, 1999
Standard on Subterranean Spaces
A description is not available for this item.

References

This document references:
E119 - Standard Test Methods for Fire Tests of Building Construction and Materials
September 1, 2022
The test methods described in this fire-test-response standard are applicable to assemblies of masonry units and to composite assemblies of structural materials for buildings, including loadbearing...
This document references:
E2652 - Standard Test Method for Assessing Combustibility of Materials Using a Tube Furnace with a Cone-shaped Airflow Stabilizer, at 750 °C
November 1, 2022
This fire-test-response test method covers the determination under specified laboratory conditions of the combustibility of building materials. Under certain conditions, with the appropriate...
This document references:
NFPA 10 - Standard for Portable Fire Extinguishers
Published by NFPA on May 9, 2018
A description is not available for this item.
This document references:
101 - Life Safety Code
Published by NFPA on January 1, 2024
Title. NFPA 101, Life Safety Code, shall be known as the Life Safety Code®, is cited as such, and shall be referred to herein as “this Code” or “the Code.” Danger to Life from Fire. The Code...
This document references:
110 - Standard for Emergency and Standby Power Systems
Published by NFPA on January 1, 2022
This standard contains requirements covering the performance of emergency and standby power systems providing an alternate source of electrical power to loads in buildings and facilities in the event...
This document is referenced by:
ASME RA-S-1.4 - Probabilistic Risk Assessment Standard for Advanced Non- Light Water Reactor Nuclear Power Plants
Published by ASME on February 8, 2021
This Standard states requirements for a PRA for advanced non-LWR NPPs. The requirements in this Standard were developed for a broad range of PRA scopes that may include the following: (a) Different...
This document is referenced by:
NASA-STD-8719.11 REV B W/CHG 1 - STANDARD FOR FIRE PROTECTION AND LIFE SAFETY
Published by NASA on February 24, 2021
Purpose The purpose of this standard and the Center Fire Protection and Life Safety Programs is to protect human life, property, and the environment from the risk of fire-related hazards, through the...
This document is referenced by:
NFPA 241 - Standard for Safeguarding Construction, Alteration, and Demolition Operations
Published by NFPA on January 1, 2019
This standard shall apply to structures in the course of construction, alteration, or demolition, including those in underground locations.
This document is referenced by:
NFPA 1 - Fire Code
Published by NFPA on August 11, 2020
A description is not available for this item.
This document is referenced by:
NFPA 1031 - Standard for Professional Qualifications for Fire Inspector and Plan Examiner
Published by NFPA on January 1, 2014
This standard identifies the minimum job performance requirements (JPRs) for fire inspectors and plan examiners. Purpose. The purpose of this standard is to specify the minimum job performance...
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