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1926.1101(g)(5)(iv) Negative Pressure Glove Box Systems
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Negative pressure glove boxes may be used to remove ACM or PACM from pipe runs with the following specifications and work practices.
Glove boxes shall be constructed with rigid sides and made from metal or other material which can withstand the weight of the ACM and PACM and water used during removal:
A negative pressure generator shall be used to create negative pressure in the system:
An air filtration unit shall be attached to the box:
The box shall be fitted with gloved apertures:
An aperture at the base of the box shall serve as a bagging outlet for waste ACM and water:
A back-up generator shall be present on site:
Waste bags shall consist of 6 mil thick plastic double-bagged before they are filled or plastic thicker than 6 mil.
At least two persons shall perform the removal:
The box shall be smoke-tested for leaks and any leaks sealed prior to each use:
Loose or damaged ACM adjacent to the box shall be wrapped and sealed in two layers of 6 mil plastic prior to the job, or otherwise made intact prior to the job.
A HEPA filtration system shall be used to maintain pressure barrier in box.