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 of Assessment: February 11, 2022.
The Office of Environment contacted ARL staff and Building Services to gather information about the water damage event since the Office of Environment was not made aware of the incident.
The incident was discovered and responded to on January 18, 2022 by school custodial staff and Building Services. Area C30 (used as Digital Learning Center staff lounge) was the impact zone with some water spreading underneath the doors and onto carpeting in adjoining areas. The coil from a roof top ventilation unit located above C30 froze and leaked onto the drywall ceiling. Room C30 has ceramic flooring (with floor drains), cement block walls, raised lips at doorways, and a drywall ceiling. Building Services repaired the coil and installed a drain to address any future incident by draining water onto the roof.
Building Services raised wood shelving from the floor to assist with drying, placed air blowers on carpet and in the area to assist with drying. Sections of the drywall ceiling were removed to assist with ventilation unit repairs and to rid of water damaged materials not abled to be saved by drying. Materials in metal cabinets were not impacted. Some staff lounge tables were damaged (warped).
The Office of Environment's site assessment on February 11, 2022 consisted of a visual and use of moisture sensing equipment. No musty odors were detected. The carpets and wood material described above were dry. The drywall ceiling was dry. No mold growth observed on surfaces below the ceiling. A ceiling access panel was opened to inspect above the ceiling. The roof deck consists of metal. No mold growth observed on the back side of the ceiling.
The above actions taken by custodial and Building Services personnel are meant to prevent the potential for microbial growth.
Building Services repaired the roof top ventilation unit and addressed impacted wet materials. Building Services still in the process of finishing (joint compound and paint) the new drywall ceiling.