Indoor Environmental Quality HVAC Assessment of Oakland Mills High School: October 7th, 2020 (HXOMHS2020000009)

Assessor
Hummy Khan
Date
Outdoor Temperature
57°F
Relative Humidity
85%
Outdoor Dew Point
52°F

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

Unit
Check OK Comments
Tag Number
Displayed
No
None of the exhaust fans have tag numbers on them.
Status
Running
Yes
.
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
No
AAON-RTU-7, Trane RTU-9, 10, and 11- Outside air dampers appear to be 100 % closed.
Return air damper: no obstructions
No
Trane AHU-8 return air dampers appear to be 100% closed while outside air dampers appear to be 100% open.
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
AHU-5, RTU-9, 10, 11 - Air bypass around filter(s).
Correct size
No
AHU-5, RTU-9, 10 and 11 - Appear to be incorrect size.
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
RTU-3 - Drain improperly terminated.
Fans and Motors
Check OK Comments
Condition
Operational
No
Hood missing from exhaust fan in the science room addition part of the roof.
No unusual odors, noise, or vibration
Yes
Central Plant
Check OK Comments
Chilled Water Central Plant
Chiller operational
No
Not running due to winter mode.
Cooling tower operational
No
Not running due to winter mode.
Heating Central Plant
Boiler operational
Yes
Misc. Comments
AHU-1 Pulley and belt guard missing and leaning against the unit.

Work Order: 169818
Work Order Number(s)
169818
Issues found durring this assessment have been assigned to the above work order(s).