Critical barrier definition
Critical barrier means one or more layers of plastic sealed over all openings into a work area or any other similarly placed physical barrier sufficient to prevent airborne asbestos in a work area from migrating to an adjacent area.
Critical barrier means a temporary closure, usually of polyethylene sheeting or other impervious material, and excluding wall, floor, or ceiling covering, of any opening that would otherwise allow the transfer of asbestos fibers from the containment to the outside environment.
Critical barrier means one or more layers of plastic sealed over openings into a work area or any similarly placed physical barrier, sufficient to prevent airborne fibers in a work area from migrating to adjacent areas.
More Definitions of Critical barrier
Critical barrier means any partition that separates the construction work area from a patient care area or other occupied area of the facility. It may require the construction of partitions, and/or the plasticizing of apertures to seal off the workplace from surrounding areas to contain dust and debris in the work area. These apertures include, but are not limited to, operable windows and skylights, doorways, ducts, grills, diffusers, and any other penetrations to surfaces adjacent to or within the identified construction work area.
Critical barrier means a containment structure that allows for the passage of persons or materials while maintaining containment.
Critical barrier means one or more layers of plastic sealed over all openings into a work area or any other similarly placed physical barrier sufficient to prevent airborne asbestos in a work area from migrating to an adjacent area. “Decontamination area" means an enclosed area adjacent and connected to the regulated area and consisting of an equipment room, shower area, and clean room, which is used for the decontamination of workers, materials, and equipment that are contaminated with asbestos.
Critical barrier means two layers of nominal six mil polyethylene sheeting that completely seals off the work area to prevent the distribution of fibers to the surrounding area, such as the opening between the top of a wall and the underside of ceiling construction, electrical outlets, nonremovable lights, HVAC systems, windows, doorways, entranceways, ducts, grilles, grates, diffusers, wall clocks, speaker grilles, floor drains, sink drains, etc.