Indoor Environmental Quality HVAC Assessment of Bonnie Branch Middle School: December 15th, 2020 (HXBBMS2020000027)

Assessor
Hummy Khan
Date
Outdoor Temperature
39°F
Relative Humidity
44%
Outdoor Dew Point
20°F

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

Unit
Check OK Comments
Tag Number
Displayed
No
No tag numbers on some of the exhaust fans.
Status
Running
No
AHU-1 - Not running. The HVAC department was notified by text of this finding while on site.
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
OAAHU-1, OAAHU-2, and AHU-3 -Air bypass around final filters due to incorrect sizing.
Correct size
No
OAAHU-1, OAAHU-2 and AHU-3 - Incorrectly sized filters.
Free from excessive loading, dampness or odor
Yes
Not collapsed/not fallen off
Yes
Present (not missing)
Yes
Date and initials written
Yes
No initials on any filters.
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-4, AHU-5, OAAHU-1, and OAAHU-2 - Improper condensate drain termination..
Fans and Motors
Check OK Comments
Condition
Operational
No
EF-3, 4, 25, 26 and two exhaust fans (no tag numbers) near AHU-4, three exhaust fans near AHU-3 (same high roof) and exhaust fan near EF-19 - Not operational.
No unusual odors, noise, or vibration
Yes
Central Plant
Check OK Comments
Chilled Water Central Plant
Chiller operational
Yes
Not operational due to heating season.
Heating Central Plant
Boiler operational
Yes
Portable(s)
Check OK Comments
Thermostat
Thermostat setting acceptable
No
Portable 36- Maintaining occupied temperature settings of 70 degrees F while unoccupied. Motion sensor installed but does not appear to be working.
Thermostat cover
Yes
Fan Mode Correct
Yes
Space Temperature Acceptable
Yes
Misc. Comments
Work Order: 177015
Work Order Number(s)
177015
Issues found durring this assessment have been assigned to the above work order(s).