NFPA 11 2024

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

Published By	Publication Date	Number of Pages
NFPA	2024

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Category: NFPA

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Description

High to low, help ensure your fire protection foam systems are in working order and ready to flow. NFPA 11, Standard for Low-, Medium-, and High-Expansion Foam, provides fire protection designers, engineers, property managers, and more the requirements necessary to design, install, operate, test, and maintain expansion and compressed air foam systems. This is the industry standard for fixed, semi-fixed, and portable systems for both interior and exterior hazards.

PDF Catalog

PDF Pages	PDF Title
2	Important Notices and Disclaimers
3	Additional Important Notices and Disclaimers
10	Chapter 1 Administration 1.1 Scope. 1.2 Purpose. 1.3 Application. 1.4 Retroactivity. 1.5 Equivalency. 1.6 Units and Formulas.
11	Chapter 2 Referenced Publications 2.1 General. 2.2 NFPA Publications. 2.3 Other Publications.
12	2.4 References for Extracts in Mandatory Sections. Chapter 3 Definitions 3.1 General. 3.2 NFPA Official Definitions.
13	3.3 General Definitions.
16	Chapter 4 System Components and System Types 4.1 General. 4.2 Water Supplies.
17	4.3 Foam Concentrates.
18	4.4 Concentrate Compatibility. 4.5 Foam Proportioning. 4.6 Foam Concentrate Pumps.
19	4.7 Piping.
21	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.
24	5.3 Outdoor Open-Top Floating Roof Tanks.
28	5.4 Outdoor Covered (Internal) Floating Roof Tanks.
30	5.5 Indoor Hazards. 5.6 Loading Racks. 5.7 Diked Areas — Outdoor.
32	5.8 Nondiked Spill Areas. 5.9 Supplementary Protection.
33	Chapter 6 Low-Expansion Foam Sprinkler and Spray Systems 6.1 Administration. 6.2 General System Requirements. 6.3 Working Plans.
34	6.4 System Components.
35	6.5 System Design and Installation.
38	6.6 Acceptance Tests. 6.7 Inspection, Testing, and Maintenance.
39	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 and Rescue Operations.
40	7.7 Operation and Control of Systems.
41	7.8 Foam Concentrate. 7.9 Air Supply. 7.10 Foam-Generating Apparatus Location. 7.11 Distribution Systems.
42	7.12 Total Flooding Systems General Information.
44	7.13 Local Application Systems. 7.14 Foam Applications for Liquefied Natural Gas (LNG).
45	7.15 Portable Foam-Generating Devices. Chapter 8 Compressed Air Foam Systems 8.1 General. 8.2 Water Supplies.
46	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.
47	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.
49	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.
50	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.
51	11.4 Foam Outlet Devices.
52	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.
53	11.11 Foam System Concentrate Storage. 11.12 Supply Arrangements. 11.13 Piping Materials.
54	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.
55	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.
59	Chapter 13 Inspection, Testing, and Maintenance 13.1 General.
60	Annex A Explanatory Material
111	Annex B Storage Tank Protection Summary
114	Annex C Medium- and High-Expansion Foam Annex D Tests for Foam Systems
129	Annex E Foam Health, Safety, and Environmental Issues
133	Annex F Test Method for Marine Firefighting Foam Concentrates Protecting Hydrocarbon Hazards
136	Annex G Foam Concentrate Quality
139	Annex H Synthetic Fluorine-Free Foam (SFFF) Research Testing Annex I Rim Seal Fire Test Protocol
150	Annex J Informational References