is removed and wrapped, the pipe is then cut. OSHA
considers the cutting portion of the job as
unclassified, as it does not involve asbestos
removal. If the wrap and cut operation is conducted
in a negative pressure enclosure system, the
glovebag step is not required, although recommended.
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Wrap and cut operations shall be as shown in SETUP DETAIL SHEET [9B] [10].
Prior to cutting pipe, the asbestos-containing insulation shall be wrapped
with polyethylene and securely sealed with duct tape to prevent asbestos
becoming airborne as a result of the cutting process. The following steps
shall be taken: install glovebag, strip back sections to be cut 150 mm 6
inches from point of cut, and cut pipe into manageable sections.
3.6.6
Class II Work
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NOTE: Class II work may also be performed using a
method allowed for Class I work, except that
glovebags and glove boxes are allowed if they fully
enclose the Class II material to be removed. Remove
this paragraph when not required in the project.
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In addition to the requirements of paragraphs Mandated Practices and
Control Methods, the following engineering controls and work practices
shall be used:
a.
A Competent Person shall supervise the work.
b.
For indoor work, critical barriers shall be placed over all
openings to the regulated area.
c.
Impermeable dropcloths shall be placed on surfaces beneath all
removal activity.
3.6.7
Specific Control Methods for Class II Work
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NOTE: If the removal of the adhesive is necessary,
wet methods should be used when removing residual
adhesive. The adhesive must be either wet-scraped
manually or removed using low speed floor machine
(300 RPM or less) and wetted sand or a removal
solution. The adhesive residues must be placed in
an impermeable trash bag while still wet. Remaining
water or dirt in the area must then be HEPA vacuumed.
Removal of "intact" cements, coatings, mastics, and
flashings is not Class II work. ACM is not rendered
non-intact simply by being separated into smaller
pieces.
Remove these paragraph and/or subparagraphs when not
required in the project.
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SECTION 13280A
Page 38
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