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Asbestos abatement procedures vary depending on what kind
of asbestos removal is required. To complete this, various procedures have been developed over time to
maximise efficiency whilst simultaneously keeping risks at a minimum.
Some of the procedures to be followed during the conduct of
the asbestos abatement activities are:
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Wet methods are the traditional way for
abatement procedures. However, there is also a dry method that can be used as an alternative,
but this has to be approved by the 'Environmental Protection Agency' otherwise known as the
EPA. This kind of work would begin once approval has been received. A detailed plan/report
must be submitted to explain and justify why such dry methods must be used in contrast to the
traditional wet methods. Included in the report must be the plan of operation that will
control the release of asbestos fibres and how there release will be
monitored.
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Removal encapsulants can be used to
reduce fibre release.
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Asbestos containing materials should be put
into appropriate bags or containers and sealed tightly to ensure maximum protection against
there release. Non hygroscopic materials should be dropped. ACM should not be dropped from a
height of more than 10 feet. Dust free inclined chutes are used above a height of 10 feet.
Prohibition of the vertical and near vertical chutes should be there. The utmost inclination
from the horizontal should be 60 degrees.
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Some asbestos materials will be to large to
bag such as large asbestos sheets. To deal with this, they should always be kept wet and
moist to reduce possible fibre release. In addition to this, they should be wrapped in a
layer of polyethylene sheeting and securely fastened with a strong
tape.
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Upon completion of all stripping
procedures, the surface from which the asbestos was removed should be cleaned in order to
remove and visible residues to ensure 100% removal of asbestos.
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After finishing cleaning of all visible
residues, a thin layer of pigmented and encapsulating agent should be applied. This sealant
will further enhance the protection of any past asbestos containing
materials.
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Some other procedures involved in the abatement of asbestos
or other abatement alternatives are:
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1.
In place management: This is a low cost method of asbestos management,
however, the outcome is temporary and will have to be revisited at a later
date.
2. Completion of
partial removal: This on the
other hand is a permanent solution, however, the initial costs can be quite
high.
3. Encapsulation
or wrapping or repairing: This
method of management is very low cost in comparison to other methods but again this
a temporary measure.
4. Enclosure: This method here is usually for asbestos containing
material that is in poor condition. It is a permanent remedy, however, the initial
costs of removal can be substantially high.
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If you want to
try any of these methods, further reading will be essential as we are simply providing a basic outlook into
asbestos abatement procedures. Asbestos removal is a challenging process and should be carried out by trained
professionals.
How to Test for Asbestos
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