1.1 These requirements cover foam liquid concentrates, proportioning equipment, and discharging equipment for producing foam with an expansion ratio of 200:1 to approximately 1000:1 intended for fire extinguishment or control. These requirements are based on the premise that a specific foam liquid concentrate shall be investigated for use with the intended foam equipment.
1.2 Requirements for the design, installation, operation, testing, and maintenance of foam systems for fire protection are included in the Standard for Low-, Medium-, and High-Expansion Foam, NFPA 11.