Indoor Environmental Quality HVAC Assessment of Applications and Research Laboratory: April 25th, 2023 (HXXARL20230000D2)

Assessor
Hummy Khan
Date
Outdoor Temperature
46°F
Relative Humidity
59%
Outdoor Dew Point
32°F

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

Unit
Check OK Comments
Tag Number
Displayed
Yes
Work Order Closed by Building Maintenance
No tag numbers on many rooftop units, repeat finding. No tag numbers on any exhaust fans.
Status
Running
Yes
Work Order Closed by Building Maintenance
RTU (no tag number-located near the front entrance), turned off at the disconnect. RTU-2, RTU-8 and 9 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
Yes
Work Order Closed by Building Maintenance
Two RTUs (no tag number, unit closest to the roof access) air bypass around filter.
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
Yes
Work Order Closed by Building Maintenance
RTUs (no tag number, unit closest to the roof access). RTU-8 and RTU-9 - Condensate drain improperly terminated.
Fans and Motors
Check OK Comments
Condition
Operational
Yes
No unusual odors, noise, or vibration
Yes
Work Order Closed by Building Maintenance
Exhaust fan near RTU-9 - Vibrating. Hood missing from an exhaust fan.
Central Plant
Check OK Comments
Heating Central Plant
Boiler operational
Yes
Work Order Number(s)
280470
Issues found durring this assessment have been assigned to the above work order(s).