NFPA 45: Standard on Fire Protection for Laboratories Using Chemicals

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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)

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