Indoor Environmental Quality HVAC Assessment of Applications and Research Laboratory: June 16th, 2021 (HXXARL2021000047)

Assessor
Hummy Khan
Date
Outdoor Temperature
70°F
Relative Humidity
51%
Outdoor Dew Point
51°F

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

Unit
Check OK Comments
Tag Number
Displayed
No
No tag numbers on several Trane (brand) rooftop units. No tag numbers on any exhaust fans.
Status
Running
No
RTU-1 and 2 and another Trane rooftop unit (no tag number) located close to the front entrance near the roof screens, 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
RTU-2- Air bypass around filter.
Correct size
Yes
Free from excessive loading, dampness or odor
Yes
Not collapsed/not fallen off
Yes
Present (not missing)
No
One Trane rooftop unit (no tag number) located close to the front entrance near the roof screens-one extra filter laying inside the unit on the wrong side of the coil.
Date and initials written
No
No initials of the installing technician on any filters. On some units filter(s) dated March 2021 and other units dated July 2020.
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-1, RTU-2 and many Trane rooftop units' (no tag numbers) condensate drain improperly terminated or not even connected.
Fans and Motors
Check OK Comments
Condition
Operational
No
Four rooftop units (Trane, no tag numbers) located close to the roof hatch and going towards the front entrance of the building- Condenser fans do not appear to be running, yet the units appear to be running.
No unusual odors, noise, or vibration
No
One Trane RTU (no tag number) located near the front entrance making excessive noise. Can only hear it once the access panel is opened.
Central Plant
Check OK Comments
Heating Central Plant
Boiler operational
Yes
Misc. Comments
Work Order: 196594
Work Order Number(s)
196594
Issues found durring this assessment have been assigned to the above work order(s).