Indoor Environmental Quality General Assessment of Northfield Elementary School: October 21st, 2020 (GXXNES2020000027)

Assessor
Jeffrey Klenk
Date

Air Distribution and Terminal System (Assess 2-3 Locations per HVAC Zone)

Ductwork (Supply and Return)
Check OK Comments
Condition
No odors, noise or vibration
Yes
Clean, no obstructions
Yes
Free from signs of moisture/mold, insects or rodents?
Yes
No noticeable air leaks
Yes
Plenum
Check OK Comments
Ceiling Tiles
Tight seal on all tiles
Yes
No stained/damaged tiles indicating high RH or moisture problem
Yes
Supply Diffusers, Return Grilles, Exhaust Grilles
Check OK Comments
Condition
No odors or unusual sounds
Yes
Clean, no excess dirt or moisture
No
Cafeteria supply air diffusers of high ceiling area have visible accumulation of dust. Custodial Services elevated cleaning crew to clean per work order 170887.
No obstruction to air flow
Yes
No purposely placed obstruction indicating occupant distress
Yes
Location
No short circuiting between supply and return
Yes
Doors
Doors not tight or difficult to close indicating large pressure differential
Yes

Building

Envelope
Check OK Comments
Foundation
No moisture penetration or signs of mold?
Yes
Doors and Windows
Caulking and weather stripping in good condition
No
Portable 200 - The center floor tranistion moulding has minor gapping between sections and edges ripping apart leaving a potential pathway between the crawlspace and interior space. Work order 170888.
Classrooms (Assess 2 to 3 per HVAC System Zone)
Check OK Comments
Condition
Room is free of dust and clutter
Yes
No stained or damage ceiling tiles
No
Water stained ceiling tiles not already pinned were observed in C31/112 (restroom & above right window) and hallways (outside of door to room D01/115 & outside of gym near water fountain). School custodial staff is to submit a work order to Building Services if not already being addressed.
No visible mold present (walls, cabinets, under sinks, behind posters)
Yes
Relative Humidity
Not above 70%
No
The relative humidity was 70% in rooms C63/124, cafeteria, B39/145, B36/144, and C73/128. The weather (64 degrees, foggy, 94% relative humidity, and 63 degree dew point) and type of ventilaion unit may be the contributing factor and considered normal/acceptable as the exterior humidity is not expected to be elevated for an extended period (October). Building Services HVAC Shop is to review per work order 170890.
Mechanical/Boiler Rooms (Assess Each)
Check OK Comments
Condition
Clean
Yes
No unusual noise or odor
Yes
No mold growth on insulation
Yes
Traps contain water
Yes
Chemical Storage
Containers capped
Yes
No evidence of an active spill
Yes
Fan Coil Units/VAV Boxes
Check OK Comments
Condition
No odors, or unusual noise or vibration
No
A ventilation unit in the mechanical closet (C95) within the media computer lab (C93/150) has a dirty coil. To be cleaned via work order 170890.