Indoor Environmental Quality General Assessment of Patuxent Valley Middle School: April 28th, 2021 (GXPVMS2021000044)

School

Patuxent Valley Middle School

Assessor

Christopher Madden

Date

April 28th, 2021

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	Yes
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	Resource Room within Production Lab - Wall and slab have significant gap that should be sealed (WO #189790).

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	Computer Lab (B111), Guidance Conference Room, Fitness Room (@ drier vent) - Stained ceiling tile(s).
No visible mold present (walls, cabinets, under sinks, behind posters)	Yes
Relative Humidity
Not above 70%	Yes

Mechanical/Boiler Rooms (Assess Each)
Check	OK	Comments
Condition
Clean	No	Electrical Room - C2 - A box of lightbulbs is stored next to the transformer. 3 Feet of clearance is to be maintained around transformers and electrical panels. Sprinkler Room (across from main Boiler Room) - Housekeeping.
No unusual noise or odor	Yes
No mold growth on insulation	Yes
Traps contain water	No	Boys Bathroom (across from Tech-Ed) - Sewer gas odor, likely coming from the urinal that is bagged off to promote social distance.
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	Fume Hood (Between 114 and 114) - In alarm, does not turn on.