Table 14.3.1 Selection of Inspection Type |
Level I |
Level II |
Level III |
Scope |
Readily accessible areas of
chimney, structure, and flue. Lack of obstruction or
combustible deposits in flue. Basic appliance installation
and connection. |
All subjects of a Level I inspection. Proper
construction and condition of accessible portions of the
chimney structure and all enclosed flues. Proper clearances from
combustibles in accessible locations. Size and suitability
of flues for connected appliances.
|
All subjects of a Level I
inspection. Proper
construction and condition
of accessible portions of the
chimney structure and all
enclosed flues. Proper
clearances from combustibles in accessible locations. Size and suitability
of flues for connected
appliances. |
Degree of Access Required |
Shall include readily accessible
portions of chimney xterior and interior;
accessible portions of appliance and chimney connection. |
Shall include all accessible
portions of the chimney
exterior and interior,
including areas within
accessible attics, crawl
spaces, and basements, and
accessible portions of the
appliance and chimney
connection. Shall include
inspection by video scanning or other means of
inspection. |
Shall include external and
internal portions of the
chimney structure,
including concealed areas of
the building or chimney.
Shall include removal of
components of the building
or chimney where necessary.
Removal of such
components shall be
required only as necessary to
gain access to areas that are
the subject of the
inspection. |
| Circumstances |
Annual inspection as required
by Section 13.2. During
routine cleaning of chimney
flue. Upon direct
replacement of a connected
appliance with one of
similar type, input rating,
and efficiency. |
Upon addition or removal of
one or more connected
appliances, or replacement
of an appliance with one of
dissimilar type input rating
or efficiency. Prior to
relining or replacement of
flue lining. Upon sale or transfer of the property.
After an operating malfunction or external
event likely to have caused
damage to the chimney. |
Where necessary for the
investigation of an incident
that has caused damage to
the chimney or building.
Where a hazard detected or
suspected as the result of a
Level I or II inspection
cannot be fully evaluated
without access to concealed
areas. |
Indications |
Where necessary for the
investigation of an incident
that has caused damage tothe chimney or building.
Where a hazard detected or
suspected as the result of a Level I or II inspection cannot be fully evaluated
without access to concealed areas. |
Where necessary for the
investigation of an incident
that has caused damage to
the chimney or building.
Where a hazard detected or
suspected as the result of a
Level I or II inspection
cannot be fully evaluated
without access to concealed
areas. |
A Level III inspection is
indicated when the
construction of all or part of
the chimney is deemed
critical to the renewed or
continued use of the
chimney. A Level III
inspection shall be required
only for those areas that
cannot be properly
evaluated by a Level I or
Level II inspection. |
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