NFPA 11: Standard for Low-, Medium, and High-Expansion Foam

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If foam systems are part of your fire protection plan, the latest edition of NFPA 11 is a key resource.

Updated to reflect today's hazards as well as the systems and products in use, the 2016 edition of NFPA 11: Standard for Low-, Medium, and High-Expansion Foam is the industry standard that addresses all aspects of the design, installation, operation, testing, and maintenance of low-, medium-, and high-expansion foam systems for fire protection. Criteria apply to fixed, semi-fixed, or portable systems for both interior and exterior hazards.

Changes impact fire protection designers and engineers as well as installers, property managers, and system maintainers.

The 2016 edition of NFPA 11 expands and clarifies the types of pipe and fittings that can be used in foam systems. It also incorporates alternative test methods for foam proportioners and seal area-only protection for certain composite floating roofs.

Update now for the latest coverage of all types of foam systems. (Softbound, 97 pp., 2016)

NFPA® 11 Standard for Low-, Medium-, and High-Expansion Foam 2016 Edition

Chapter 1 Administration
1.1 Scope
1.2 Purpose
1.3 Application
1.4 Retroactivity
1.5 Equivalency
1.6 Units and Formulas
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 General
3.2 NFPA Official Definitions
3.3 General Definitions
Chapter 4 System Components and System Types
4.1 General
4.2 Water Supplies
4.3 Foam Concentrates
4.4 Concentrate Compatibility
4.5 Foam Proportioning
4.6 Foam Concentrate Pumps
4.7 Piping
4.8 System Types
4.9 Operation and Control of Systems
Chapter 5 Low-Expansion System Design
5.1 Types of Hazards
5.2 Outdoor Fixed Roof (Cone) Tanks
5.3 Outdoor Open-Top Floating Roof Tanks
5.4 Outdoor Covered (Internal) Floating Roof Tanks
5.5 Indoor Hazards
5.6 Loading Racks
5.7 Diked Areas - Outdoor
5.8 Nondiked Spill Areas
5.9 Supplementary Protection
Chapter 6 Medium- and High-Expansion Systems
6.1 General Information and Requirements
6.2 Use and Limitations
6.3 Hazards Protected
6.4 Types of Systems
6.5 Systems Protecting One or More Hazards
6.6 Personnel Safety
6.7 Operation and Control of Systems
6.8 Foam Concentrate
6.9 Air Supply
6.10 Foam-Generating Apparatus Location
6.11 Distribution Systems
6.12 Total Flooding Systems General Information
6.13 Local Application Systems
6.14 Foam Applications for Liquefied Natural Gas (LNG)
6.15 Portable Foam-Generating Devices
Chapter 7 Compressed Air Foam Systems
7.1 General
7.2 Water Supplies
7.3 Foam Concentrate
7.4 Air or Nitrogen Supply
7.5 Compressed Air Foam-Generating Method
7.6 Distribution Systems
7.7 Compressed Air Foam Discharge Devices
7.8 Operation and Control of Systems
7.9 System Types
7.10 Limitations
7.11 System Design
7.12 Installation of Piping and Fittings
7.13 Installation of Automatic Detection
7.14 CAFS Discharge Device Choice and Location
7.15 Discharge Density
7.16 Discharge Duration
7.17 System Flow Calculation
7.18 Plans and Specifications
7.19 Testing and Acceptance
7.20 Maintenance
Chapter 8 Specifications and Plans
8.1 Approval of Plans
8.2 Specifications
8.3 Plans
Chapter 9 Installation Requirements
9.1 Foam Concentrate Pumps
9.2 Flushing
9.3 Power Supply
9.4 Low-Expansion System Piping
9.5 Valves in Low-Expansion Systems
9.6 Hangers, Supports, and Protection for Pipework
9.7 Hose Requirements
9.8 Test Connections
Chapter 10 Low-Expansion Foam Systems for Marine Applications
10.1 General
10.2 Fixed Low-Expansion Foam Systems for Machinery Spaces
10.3 Fixed Low-Expansion Foam Systems on Deck for Petroleum and Chemical Tankers
10.4 Foam Outlet Devices
10.5 Monitors
10.6 Hand Hoselines
10.7 Hydraulic Calculations
10.8 Isolation Valves
10.9 Hangers, Supports, and Protection of Pipework
10.10 Testing and Inspection
10.11 Foam System Concentrate Storage
10.12 Supply Arrangements
10.13 Piping Materials
Chapter 11 Testing and Acceptance
11.1 Inspection and Visual Examination
11.2 Flushing after Installation
11.3 Acceptance Tests
11.4 Pressure Tests
11.5 Operating Tests
11.6 Discharge Tests
11.7 Approval of Low-, Medium-, and High-Expansion Foam Systems
11.8 System Restoration
Chapter 12 Maintenance
12.1 Inspection, Testing, and Maintenance
12.2 Foam-Producing Equipment
12.3 Piping
12.4 Strainers
12.5 Detection and Actuation Equipment
12.6 Foam Concentrate Inspection
12.7 High-Pressure Cylinders
12.8 Operating Instructions and Training
Annex A Explanatory Material
Annex B Storage Tank Protection Summary
Annex C Medium- and High-Expansion Foam
Annex D Tests for Foam Systems
Annex E Foam Environmental Issues
Annex F Test Method for Marine Fire-Fighting Foam Concentrates Protecting Hydrocarbon Hazards
Annex G Foam Concentrate Quality
Annex H Informational References