Self-Contained Breathing Apparatus Requirements • The SCBA shall consist of the following major sub-assemblies: (1) full facepiece assembly; (2) a removable, positive pressure, mask-mounted regulator with air-saver switch; (3) an automatic dual path redundant pressure reducer; (4) end-of-service time indicators; (5) a harness and backframe assembly for supporting the equipment on the body of the wearer; (6) a shoulder strap mounted, remote gauge indicating cylinder pressure; (7) a rapid intervention crew/universal air connection (RIC/UAC); (8) a personal alert safety system (PASS; and (9) cylinder and valve assembly for storing breathing air under pressure. Regulatory Approvals • The SCBA shall be approved to NIOSH 42 CFR, Part 84 as an open circuit, pressure-demand self-contained breathing apparatus. • The SCBA shall be certified to NFPA 1981, Standard on Open-Circuit Self-Contained Breathing Apparatus for Emergency Services, 2018 Edition. • The SCBA shall be certified to NFPA 1982, Standard on Personal Alert Safety Systems, 2018 Edition, when configured with a PASS device. • The SCBA shall be compatible with an optional firefighter escape belt that would be compliant to NFPA 1983, Standard on Life Safety Rope and Equipment for Emergency Services, 2017 Edition. • All components shall be approved for Intrinsic Safety under UL 913 Class I, Groups C and D, Class II, Groups E, F and G, Hazardous locations. • The SCBA shall maintain all NIOSH standards with any of the types of cylinders listed as provided by the SCBA manufacturer. Facepiece Assemblies • The facepiece shall have a large diameter inlet that enables both unrestricted breathing and voice communications, while also allowing for rehydration (oral) without having to remove the facepiece. • The facepiece shall enable connection of the mask-mounted regulator by way of a quarter (1/4) turn rotation. • The facepiece shall interface with the mask-mounted regulator, without the use of tools, with an audible click to assure the user that the regulator is properly seated. • The full facepiece assembly shall be available in three sizes, marked “S” for small, “M” for medium and “L” for large. • The facepiece sizes shall be color-coded for ease of identification. • The facepiece nose cup assembly shall be available in three sizes, marked “S” for small, “M” for medium and “L” for large. • The facepiece assembly, including head harness, shall not be made with natural rubber latex. • The facepiece shall include a face seal that is secured to the lens by a U-shaped bezel using no more than two fasteners. • The facepiece shall contain inhalation valves that are contrasting in color and readily visible to enable quick visual inspection. • Multi-directional voicemitters shall be recessed on both sides of the facepiece and ducted directly to an integral silicone nose cup to enhance voice transmission around the user. • The facepiece shall meet the requirements of the NFPA 1981, 2018 Edition standard for nonelectronic communications. • The facepiece assembly shall be modular in design to enable ease of upgrading and serviceability. • The facepiece shall be capable of submersion for cleaning and disinfecting. • The facepiece shall be able to incorporate multiple electronic communications options (amplification, radio interface, radio direct interface) without affecting NIOSH approvals and/or NFPA certification, where applicable. • The facepiece shall enable the installation of communications bracket on either the right or left side. • The facepiece shall be approved for use with multiple respiratory applications (e.g., airline respirator or negative pressure respirator with filters/cartridges) to enable the same user to switch from one application to another without the use of tools and without doffing the facepiece.
