2015 NFPA 45 Standard - Current Edition

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  • Description

    Major changes in the 2015 NFPA 45 clarify rules and provide up-to-date fire safety requirements for new and existing laboratories.

    NFPA 45: Standard on Fire Protection for Laboratories Using Chemicals is the comprehensive source for requirements for the fire safe design and operation of instructional, educational, and industrial laboratories to avoid injury to lab occupants. This Standard outlines the maximum allowable quantities of liquids and gases, as well as requirements for laboratory ventilating systems and chemical fume hoods.

    An expanded scope and new chapter help protect students and staff in school laboratories.

    NFPA 45 now applies to all educational and instructional laboratories, independent of the quantity of chemicals present. In response to recent incidents involving injuries to students and faculty, a new chapter on Educational and Instructional Laboratories was added to this edition, with requirements intended to protect people during experiments and demonstrations involving hazardous materials.

    Other changes in the 2015 edition clarify application and help designers, installers, facility managers, and AHJs comply.

    By spelling out which chapters in NFPA 45 apply to new and existing facilities, the 2015 edition makes it easier for designers, facility managers, owners, and enforcers to ensure the correct protocols are in place. Other changes impact specific facilities, chemicals, and safety controls.

    • Clarified requirements explain where Class A, B, C, and D laboratory units are permitted below grade.
    • New requirements address fire retardant clothing.
    • New requirements for inert atmosphere glove boxes address the need for equipment to prevent fires caused by air- and water-reactive chemicals.
    • New safe handling requirements are provided for handling pyrophoric reagents and water-reactive material.
    • New safety control rules for open flame operations improve safety by reducing risks to personnel.

    Keep laboratory personnel, equipment, and buildings safe with the 2015 NFPA 45. (Softbound, 53 pp., 2015)


    Interested in other editions of the NFPA 45? Use the drop down menu above to select the edition year you need.

  • Table of Contents (2015 Current Edition)
    NFPA<sup>®</sup> 45 Standard on Fire Protection for Laboratories Using Chemicals 2015 Edition

    NFPA® 45 Standard on Fire Protection for Laboratories Using Chemicals, 2015 Edition

    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
    2.3 Other Publications
    2.4 References for Extracts in Mandatory Sections
    Chapter 3 Definitions
    3.1 Definitions
    3.2 NFPA Official Definitions
    3.3 General Definitions
    Chapter 4 Laboratory Unit Hazard Classification
    4.1 General
    4.2 Laboratory Unit Fire Hazard Classification
    Chapter 5 Laboratory Unit Design and Construction
    5.1 Laboratory Unit Enclosure
    5.2 Maximum Area of Laboratory Units
    5.3 Requirements for Life Safety
    5.4 Means of Access to an Exit
    5.5 Furniture, Casework, and Equipment
    5.6 Electrical Installation
    Chapter 6 Fire Protection
    6.1 Automatic Fire Extinguishing Systems
    6.2 Standpipe and Hose Systems
    6.3 Portable Fire Extinguishers
    6.4 Fire Alarm Systems
    6.5 Fire Prevention
    6.6 Fire Retardant Clothing
    Chapter 7 Laboratory Ventilating Systems and Hood Requirements
    7.1 General
    7.2 Basic Requirements
    7.3 Supply Systems
    7.4 Exhaust Air Discharge
    7.5 Duct Construction for Hoods and Local Exhaust Systems
    7.6 Duct Velocities
    7.7 Exhausters (Fans), Controls, Velocities, and Discharge
    7.8 Chemical Fume Hood Construction
    7.9 Chemical Fume Hood Location
    7.10 Chemical Fume Hood Fire Protection
    7.11 Inert Atmosphere Glove Boxes
    7.12 Perchloric Acid Hoods
    7.13 Identification of Chemical Fume Hood Systems
    7.14 Inspection, Testing, and Maintenance
    Chapter 8 Chemical Storage, Handling, and Waste Disposal
    8.1 Ordering Procedures
    8.2 Handling and Storage
    8.3 Waste Handling and Disposal
    Chapter 9 Flammable and Combustible Liquids
    9.1 Quantity Limitations
    9.2 Supply Piping
    9.3 Liquid Dispensing
    9.4 Pressurized Liquid Dispensing Containers (PLDC)
    9.5 Equipment
    Chapter 10 Compressed and Liquefied Gases
    10.1 Compressed and Liquefied Gases in Cylinders
    10.2 Storage and Piping Systems
    10.3 Outdoor Installation of Compressed Gas Cylinders for Servicing Laboratory Work Areas (Located Outside of Laboratory Work Areas)
    10.4 Cryogenic Fluids
    Chapter 11 Laboratory Operations and Apparatus
    11.1 General
    11.2 Operations
    11.3 Apparatus
    Chapter 12 Educational and Instructional Laboratory Operations
    12.1 General
    12.2 Instructor Responsibilities
    12.3 Chemical Storage and Handling
    12.4 Other Requirements
    Chapter 13 Hazard Identification
    13.1 General
    13.2 Identification of Entrances
    13.3 Exhaust Systems
    13.4 Labeling of Containers
    13.5 Identification Systems
    Annex A Explanatory Material
    Annex B Supplementary Definitions
    Annex C Information on Explosion Hazards and Protection
    Annex D Supplementary Information on the Concept of the Laboratory Unit
    Annex E Flammability Characteristics of Common Compressed and Liquefied Gases
    Annex F Safety Tips for Compressed Gas Users
    Annex G Informational References
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    NFPA®'s Redline PDF contains both the current NFPA document and a Redline version of the document which shows changes from the previous edition marked in color. With the Redline you can quickly spot changed sections and tell specifically what has been changed from the previous edition, saving time and confusion.

    • Changed sections are marked with a vertical rule.
    • Deleted material is shown in red strikethrough type.
    • New material appears in blue underscored type.


    Sample (NEC® 2014)

    411.2411.3 Definition. Low-Voltage Lighting Systems.


    (A) General. Lighting Ssystems Ooperating at 30 Volts- volts or  Less. A lighting system consisting less shall consist of an isolating power supply, the low-voltage luminaires, and associated equipment that are all identified for the use. The output circuits of the power supply are shall be rated for not more than 25 amperes and  operate at 30 volts (42.4 volts peak) or lessmaximum under all load conditions.


    (B) Class 2. Listed Class 2 lighting equipment shall be rated in conformance with Chapter 9, Table 11(A) or Table 11(B).


    411.3411.4 Listing Required. Lighting systems operating at 30 volts or less shall comply with 411.3(A)411.4(A) or 

    411.3(B).411.4(B). Class 2 power sources and lighting equipment connected to Class 2 power sources shall be llisted.

  • Also in NFPA 45: Standard on Fire Protection for Laboratories Using Chemicals