Indoor Environmental Quality HVAC Assessment of Oakland Mills Middle School: October 8th, 2021 (HXOMMS202100004F)

Assessor
Hummy Khan
Date
Outdoor Temperature
64°F
Relative Humidity
91%
Outdoor Dew Point
62°F

Air Handling Unit (Assess representative sample of RTU/AHU, including Portables)

Unit
Check OK Comments
Tag Number
Displayed
No
No tag numbers on any exhaust fans.
Status
Running
No
Air handling unit (AHU)-11 Gym not running initially but came on around 9:10 am. HV-1 - Not running and was not running. Dishwasher exhaust fan does not appear to be working. Several other exhaust fans not running.
Outdoor Air Intake and Outdoor Air Dampers
Check OK Comments
Outdoor Pollution
Free from pollution sources w/i 25 ft. (e.g. dumpster, chimney, etc.)
Yes
Louvers and Access Doors
Operating properly
Yes
Deflectors & Screens
Present
Yes
No debris
Yes
Dampers
Outside air damper: no obstructions
Yes
Return air damper: no obstructions
Yes
Mixing Plenum
Check OK Comments
Clean
No excess dirt, not used for storage
Yes
Insulation
Secure and Clean
Yes
P-Trap (if present)
Charged with liquid
Yes
Filters and Coils
Check OK Comments
Filters
Free of any bypassing
No
HV-1 - Air bypass around filters.
Correct size
Yes
Free from excessive loading, dampness or odor
Yes
Not collapsed/not fallen off
Yes
Present (not missing)
Yes
Date and initials written
Yes
Heating Coils
Clean, no noticeable leaks, or obstructions
Yes
Cooling Coils
Clean, no noticeable leaks, or obstructions
Yes
Access: Free of any obstructions in area that may affect access
Yes
Condensation: No excess condensation problems
Yes
Blowoff: Free of water from coil blowoff
Yes
Condensate Pan and Drain Line
No visible bacterial or fungal growth
Yes
Clean, no residue, no standing water
Yes
No Overflow, leakage, blockage, or damage
Yes
Proper slope, drain line ok, drainage acceptable, discharge okay
No
AHU-12- Condensate drain improperly terminated.
Fans and Motors
Check OK Comments
Condition
Operational
No
AHU-12- Fan belt cover guard off and laying on the floor of the unit. This is a safety concern and has been reported before multiple times as part of the previous inspections.
No unusual odors, noise, or vibration
Yes
Central Plant
Check OK Comments
Chilled Water Central Plant
Chiller operational
Yes
Cooling tower operational
No
The basin appears to be dirty and needs to be cleaned and also checked for proper chemical treatment.
Heating Central Plant
Boiler operational
Yes
Misc. Comments
AHU-3-Inlet vanes appear to be only partially open.

Gauges for outside air, return air and mixed air temperature of many units for example AHU-2, 10, 11, not working.
Work Order Number(s)
209713
Issues found durring this assessment have been assigned to the above work order(s).