Identify deficiencies that may impact IEQ and/or sources of odor concerns. Typically includes the following depending on the nature of concern, but not limited to:
- interview/questionnaire of concern individual(s)
- inspection above drop ceiling (condition of roof deck, pipe insulation, return air plenum)
- inspection of ventilation system (operation of variable air volume box and outdoor air dampers, check controls, measurements of carbon dioxide, temperature and relative humidity, sources near outdoor air intake, measure return and supply air volume, cleanliness of coils, liner and condensate pan)
- inspection of exterior
- inspection below drop ceiling (housekeeping, sink and floor drain traps, signs of past and present moisture concern via visual and/or moisture meter, mold growth, ensure connection of current and capping of abandoned sanitary vents, odorizers, excessive plants and fabric items, identify potential pathways, and measure volatile organic compounds, carbon monoxide, and lighting)
Date(s) of Assessment: September 14, 2018
No mold growth or odors were observed.
No moisture was detected within the carpet.
No potential moisture intrusion concerns were identified via the use of thermal imagery.
The room is serviced by an individual unit ventilator.
The chilled water pipe insulation did not appear in good condition.
The unit was cycling on and off during the assessment. The assessment was performed in the early morning.
A general cleaning of the unit was performed.
The thermostat was adjusted so the thermostat would not cycle on/off prior to when the system is scheduled to come on. As a result of the cycling, the system may have been introducing warm/humid outside air during unoccupied hours potentially causing the odor.Building Services (HVAC) has visited the site several times prior to the systems operating to verify the system is no longer cycling on and off.
The pipe insulation within the unit was removed and replaced (November 2018).