Indoor Environmental Quality HVAC Assessment of West Friendship Elementary School: January 12th, 2021 (HXWFES202100002B)

Assessor
Hummy Khan
Date
Outdoor Temperature
46°F
Relative Humidity
42%
Outdoor Dew Point
25°F

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

Unit
Check OK Comments
Tag Number
Displayed
No
All exhaust fans on the roof above mechanical room do not have tag numbers. Also, exhaust fans near AHU-6 (AAON unit) and near AHU-2 (Deschamp unit) do not have tag numbers.
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 AHU-8 and 9 - Outside air dampers appeared to be 100% closed.
Return air damper: no obstructions
Yes
Mixing Plenum
Check OK Comments
Clean
No excess dirt, not used for storage
No
AHU-5 - Filter access door needs cleaning.
Insulation
Secure and Clean
Yes
P-Trap (if present)
Charged with liquid
Yes
Filters and Coils
Check OK Comments
Filters
Free of any bypassing
Yes
Correct size
Yes
Free from excessive loading, dampness or odor
No
AHU-5 - Pressure gauge not working.
Not collapsed/not fallen off
Yes
Present (not missing)
Yes
Date and initials written
No
Initials are missing from all 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
Yes
Fans and Motors
Check OK Comments
Condition
Operational
No
Exhaust fan (no tag #) near AHU-6 and four exhaust fans (no tag #) on the roof above mechanical room - Not operational.
No unusual odors, noise, or vibration
No
Exhaust Fan-8 and exhaust fan (no tag #) near AHU-2 (Deschamp) - Rattling. Deschamp AHU-1 supply fan appears to be making loud noise.
Central Plant
Check OK Comments
Chilled Water Central Plant
Chiller operational
No
Not operational due to heating season
Cooling tower operational
Yes
Not operational due to heating season
Heating Central Plant
Boiler operational
Yes
Misc. Comments
Some stock filters are improperly stored in the penthouse where AHU-5 is located.

Work Order: 177669
Work Order Number(s)
177669
Issues found durring this assessment have been assigned to the above work order(s).