Level I Inspection
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"Readily accessible areas of chimney, structure, and flue. Lack of obstruction or combustible
deposits in flue. Inspect before basic appliance installation. Annual
inspection shall include readily accessible portions of appliance and
chimney connection. A level one inspection is indicated when verification
of the suitability of the chimney for continued use service, under the same
conditions and with the same appliance or appliances, is needed."
Level II Inspection
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"Accessible areas of chimney, structure, and flue. Proper clearances from combustibles
in accessible locations. Size and suitability of flues for connected
appliances. Shall include inspection by video or other means. required for
real estate transaction, replacement of an appliance with one of dissimilar
type, input rating or efficiency. Upon addition or removal of one or more
connected appliances. After an operating malfunction or external event
likely to have caused damage to the chimney."
Level III Inspection
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"All subjects of Level I and
Level II inspections. Proper construction and condition of concealed
portions of chimney structure and enclosed flues. Proper clearances from
combustibles. Shall include removal of components of the building or chimney
where necessary to gain access for inspection. This level is used when a
hazard is detected or suspected as the result of Level I or II
inspections."