NFPA 11 PDF

Highlights

The 2024 edition includes:
Major revisions to Annex E on foam health, safety, and environmental considerations
Revisions to Annex H that point users to specific organizations offering the most up-to-date information available
The removal of ITM requirements from Chapter 14
Several terminology updates

Table of Contents

NFPA® 11 Standard for Low-, Medium-, and High-Expansion Foam 2024 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 Foam Tank, Fueling, and Spill Area Systems
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 Low-Expansion Foam Sprinkler and Spray Systems
6.1 Administration.
6.2 General System Requirements.
6.3 Working Plans.
6.4 System Components.
6.5 System Design and Installation.
6.6 Acceptance Tests.
6.7 Inspection, Testing, and Maintenance.
Chapter 7 Medium- and High-Expansion Systems
7.1 General Information and Requirements.
7.2 Use and Limitations.
7.3 Hazards Protected.
7.4 Types of Systems.
7.5 Systems Protecting One or More Hazards.
7.6 Occupant Safety.
7.7 Operation and Control of Systems.
7.8 Foam Concentrate.
7.9 Air Supply.
7.10 Foam-Generating Apparatus Location.
7.11 Distribution Systems.
7.12 Total Flooding Systems General Information.
7.13 Local Application Systems.
7.14 Foam Applications for Liquefied Natural Gas (LNG).
7.15 Portable Foam-Generating Devices.
Chapter 8 Compressed Air Foam Systems
8.1 General.
8.2 Water Supplies.
8.3 Foam Concentrate.
8.4 Air or Nitrogen Supply.
8.5 Compressed Air Foam-Generating Method.
8.6 Distribution Systems.
8.7 Compressed Air Foam Discharge Devices.
8.8 Operation and Control of Systems.
8.9 System Types.
8.10 Limitations.
8.11 System Design.
8.12 Installation of Piping and Fittings.
8.13 Installation of Automatic Detection.
8.14 CAFS Discharge Device Choice and Location.
8.15 Discharge Density.
8.16 Discharge Duration.
8.17 System Flow Calculation.
8.18 Plans and Specifications.
8.19 Testing and Acceptance.
8.20 Maintenance.
Chapter 9 Specifications and Plans
9.1 Approval of Plans.
9.2 Specifications.
9.3 Plans.
Chapter 10 Installation Requirements
10.1 Foam Concentrate Pumps.
10.2 Flushing.
10.3 Power Supply.
10.4 Low-Expansion System Piping.
10.5 Valves in Low-Expansion Systems.
10.6 Hangers, Supports, and Protection for Pipework.
10.7 Hose Requirements.
10.8 Test Connections.
Chapter 11 Low-Expansion Foam Systems for Marine Applications
11.1 General.
11.2 Fixed Low-Expansion Foam Systems for Machinery Spaces.
11.3 Fixed Low-Expansion Foam Systems on Deck for Petroleum and Chemical Tankers.
11.4 Foam Outlet Devices.
11.5 Monitors.
11.6 Hand Hoselines.
11.7 Hydraulic Calculations.
11.8 Isolation Valves.
11.9 Hangers, Supports, and Protection of Pipework.
11.10 Testing and Inspection.
11.11 Foam System Concentrate Storage.
11.12 Supply Arrangements.
11.13 Piping Materials.
Chapter 12 Acceptance Testing
12.1 Inspection and Visual Examination.
12.2 Flushing after Installation.
12.3 Acceptance Tests.
12.4 Pressure Tests.
12.5 Operating Tests.
12.6 Discharge Tests.
12.7 Approval of Low-, Medium-, and High-Expansion Foam Systems.
12.8 System Restoration.
12.9 Acceptance Tests of Foam-Water Deluge and Spray Systems.
Chapter 13 Inspection, Testing, and Maintenance
13.1 General.
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 Health, Safety, and Environmental Issues
Annex F Test Method for Marine Firefighting Foam Concentrates Protecting Hydrocarbon Hazards
Annex G Foam Concentrate Quality
Annex H Synthetic Fluorine-Free Foam (SFFF) Research Testing
Annex I Rim Seal Fire Test Protocol
Annex J Informational References