(A) HVAC System Component Inspections
Prior to the commencement of any cleaning work, the HVAC system cleaning contractor shall
perform a visual inspection of the HVAC system to determine appropriate methods, tools, and
equipment required to satisfactorily complete this project. The cleanliness inspection should
include air handling units and representative areas of the HVAC system components and
ductwork. In HVAC systems that include multiple air handling units, a representative sample of
the units should be inspected.
(B) The cleanliness inspection shall be conducted without negatively impacting the indoor
environment through excessive disruption of settled dust, microbial amplification or other debris.
In cases where contamination is suspected, and/or in sensitive environments where even small
amounts of contaminant may be of concern, environmental engineering control measures should
be implemented
1. Damaged system components found during the inspection shall be documented
and brought to the attention of the owner.
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