3M SCBA User Manual
Sample Bid Specication
Fire & Safety
3M™ Scott™ Air-Pak™ X3 Pro
Self-Contained Breathing Apparatus (SCBA)
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-reducing regulator; (4) end-ofservice 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 for chemical, biological, radiological and nuclear protection (CBRN).
• The SCBA shall be compliant to the NFPA 1981, 2018 Edition, Standard on Open-Circuit Self-Contained Breathing Apparatus for
Emergency Services.
• The SCBA shall be compliant to the NFPA 1982, 2018 Edition (if including optional PASS Device), Standard on Personal Alert
Safety Systems.
• If the SCBA is to include an optional integrated self-rescue device, the device shall be compliant to the NFPA 1983, 2017 Edition,
Standard on Life Safety Rope and Equipment for Emergency Services.
• 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.
REQUIRED COMPONENTS
Facepiece Assembly (Model: Vision C5)
• 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 in a single direction.
• 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 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 identication.
• 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 face seal shall be a single-reex design for enhanced comfort and easier donning.
• 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 face seal shall provide a landing area with ridges to help improve the interface with protective hoods.
• The facepiece shall incorporate attachment points for an optional accessory neck strap.
• The facepiece assembly shall be modular in design to enable ease of upgrading and serviceability.
• The facepiece shall incorporate a RFID tag for asset and maintenance tracking.
• The facepiece shall be capable of submersion for cleaning and disinfecting.
Facepiece Lens
• The lens is a component of the facepiece assembly and shall be a single, replaceable, modied-cone conguration, constructed
of a high-temperature and radiant-heat-resistant, non-shatter type polycarbonate material.
• The lens shall be coated to resist abrasion and meet the requirements of NFPA 1981, 2018 Edition standard for lens abrasion.
• The lens shall have an internal anti-fog coating to reduce fogging of the lens.
• The lens shall meet the requirements of the NFPA 1981, 2018 Edition standard for radiant heat and elevated temperature heat and
ame resistance tests.
• In accordance with NIOSH 42 CFR part 84, the facepiece shall meet the penetration and impact requirements, including
compliance with ANSI Z87.1 – 2015.
Head Harness
• The head harness is a component of the facepiece assembly and shall have ve points of suspension connection, four of which
shall be adjustable, made in the fashion of a net hood to minimize interference between securing of the facepiece and the wearing
of head protection.
• The head harness shall be constructed of a para-aramid material for re, rst responder and CBRN applications.
• The head harness shall include an integrated handle to assist with donning of the facepiece.
• Two elastomeric straps, attached to the face seal in four locations, shall provide adjustment for proper seal to the face.
• The head harness shall be available in three sizes to accommodate persons of varying facial shapes and sizes.
• The head harness shall be designed for easy removal from the facepiece to assist with cleaning and serviceability.
Facepiece Assembly (Model: AV-3000 HT)
• 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 in a single direction.
• 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 identication.
• 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 (amplication, radio interface, radio direct
interface) without aecting NIOSH approvals and/or NFPA certication, 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 to enable the same user to switch from one
application to another without the use of tools and without dong the facepiece.
Facepiece Lens
• The lens is a component of the facepiece assembly and shall be a single, replaceable, modied-cone conguration, constructed of
a high-temperature and radiant-heat-resistant, non-shatter type polycarbonate material.
• The lens shall be coated to resist abrasion and meet the requirements of NFPA 1981, 2018 Edition standard for lens abrasion.
• The lens shall have an internal anti-fog coating to reduce fogging of the lens.
• The lens shall meet the requirements of the NFPA 1981, 2018 Edition standard for radiant heat and elevated temperature heat and
ame resistance tests.
• In accordance with NIOSH 42 CFR part 84, the facepiece shall meet the penetration and impact requirements, including
compliance with ANSI Z87.1 – 2015.
Head Harness
• The head harness is a component of the facepiece assembly and shall have ve points of suspension connection, four of which
shall be adjustable, made in the fashion of a net hood to minimize interference between securing of the facepiece and the wearing
of head protection.
• The head harness shall be available in an optional, adjustable ve-strap conguration.
• The head harness shall be constructed of a para-aramid material for re, rst responder and CBRN applications.
• The head harness shall include either a positioning strap or an integrated handle to assist with donning of the facepiece.
• Two elastomeric straps, attached to the face seal in four locations, shall provide adjustment for proper seal to the face.
Regulator (Model: E-Z Flo C5)
• The mask-mounted regulator shall maintain positive pressure during ows of up to 500 standard liters per minute.
• The mask-mounted regulator shall be available in a continuous hose conguration, with an optional inline quick disconnect
coupling.
• The optional quick disconnect coupling shall be easily connected and disconnected by trained individuals with a gloved hand and
in limited visibility conditions.
• The optional quick disconnect coupling shall be guarded against inadvertent disconnect during use of the equipment.
• The low-pressure hose shall be equipped with a swivel attachment at the mask-mounted regulator.
• The mask-mounted regulator shall connect to the facepiece by way of a quarter (1/4) turn rotation in a single direction.
• An audible click shall provide notication that the mask-mounted regulator is securely attached to the facepiece.
• The mask-mounted regulator shall be equipped with a gasket to provide a seal against the mating surface of the facepiece.
• The mask-mounted regulator shall reactivate and supply air only in the positive pressure mode when the wearer aects a face
seal and inhales.
• The mask-mounted regulator shall have a demand valve to deliver air to the user, activated by a diaphragm responsive to
respiration.
• The diaphragm shall include an integrated exhalation valve.
• The mask-mounted regulator shall include a purge valve for use as an emergency bypass.
• The mask-mounted regulator shall be designed to direct the incoming air through a spray bar and over the inner surface of the
facepiece lens for defogging purposes.
• The mask-mounted regulator shall incorporate a Heads-Up Display (HUD) to provide visual alerts to the SCBA user of air status
and critical alarm conditions.
• The HUD shall be recessed into the mask-mounted regulator body to help improve downward visibility through the facepiece.
• The HUD shall provide visual alerts to the SCBA wearer for electronic personnel accountability report, evacuation, and system
integrity alarm.
• The mask-mounted regulator shall incorporate status lights to assist with remote identication of a user’s SCBA air remaining.
• The mask-mounted regulator shall incorporate a latch mechanism to enable removal from the facepiece.
• When fully engaged, the latch mechanism shall act as an auto air-saver switch to stop the air ow.
• An audible click shall provide notication that the latch is fully engaged, and the air-saver switch has been activated to stop the
air ow.
• The mask-mounted regulator shall require a quarter (1/4) turn rotation in a single direction for removal from the facepiece.
Regulator (Model: E-Z Flo+)
• The mask-mounted regulator shall maintain positive pressure during ows of up to 500 standard liters per minute.
• The mask-mounted regulator shall be available in a continuous hose conguration, with an optional inline quick disconnect
coupling.
• The optional quick disconnect coupling shall be easily connected and disconnected by trained individuals with a gloved hand and
in limited visibility conditions.
• The optional quick disconnect coupling shall be guarded against inadvertent disconnect during use of the equipment.
• The low-pressure hose shall be equipped with a swivel attachment at the mask-mounted regulator.
• The mask-mounted regulator shall connect to the facepiece by way of a quarter (1/4) turn rotation.
• An audible click shall provide notication that the mask-mounted regulator is securely attached to the facepiece.
• The mask-mounted regulator shall be equipped with a gasket to provide a seal against the mating surface of the facepiece.
• The mask-mounted regulator shall contain an air-saver switch to prevent airow when disconnected from the facepiece.
• The mask-mounted regulator shall reactivate and supply air only in the positive pressure mode when the wearer aects a face
seal and inhales.
• The mask-mounted regulator shall have a demand valve to deliver air to the user, activated by a diaphragm responsive to
respiration.
• The diaphragm shall include an integrated exhalation valve.
• The mask-mounted regulator shall include a purge valve for use as an emergency bypass.
• The mask-mounted regulator shall be designed to direct the incoming air through a spray bar and over the inner surface of the
facepiece lens for defogging purposes.
• The mask-mounted regulator shall incorporate a Heads-Up Display (HUD) to provide visual alerts to the SCBA user of air status
and PASS alarm conditions.
• The mask-mounted regulator shall incorporate a latch mechanism to enable removal from the facepiece.
• The mask-mounted regulator shall require a quarter (1/4) turn rotation for removal from the facepiece.
Pressure Reducer with Snap-Change Cylinder Connection
• The pressure-reducing regulator shall be mounted at the waist on the backframe and be coupled to the cylinder valve through a
stainless steel quick connect snout for engagement and sealing within the cylinder valve outlet.
• The cylinder shall be secured to the pressure-reducing regulator with two pull-rings 180° from each other.
• A stainless-steel rod shall secure each of the pull-rings to prevent removal of the cylinder while the SCBA is pressurized.
• The stainless-steel rods shall be actuated when the cylinder is opened and when cylinder pressure is above 30 psig.
• In lieu of a manual by-pass, the pressure-reducing regulator shall include a back-up pressure-reducing valve connected in
parallel with the primary pressure-reducing valve and an automatic transfer valve for redundant control.
• The back-up pressure-reducing valve shall also be the means of activating the low-pressure alarm devices in the mask-mounted
regulator.
• This warning shall denote a switch from the primary reducing valve to the back-up reducing valve whether from a malfunction of
the primary reducing valve or from low cylinder supply pressure.
• A press-to-test valve shall be included to allow functional testing of the back-up reducing valve.
• The pressure-reducing regulator shall have incorporated a resettable over-pressurization relief valve which shall prevent the
attached low-pressure hose and mask-mounted regulator from being subjected to high pressure.
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