Indoor Environmental Quality HVAC Assessment of Wilde Lake High School: September 20th, 2020 (HXWLHS2020000002)

Assessor
Hummy Khan
Date
Outdoor Temperature
68°F
Relative Humidity
41%
Outdoor Dew Point
45°F

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

Unit
Check OK Comments
Tag Number
Displayed
Yes
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
OADs appeared to be 100% closed on AHU-12.
Return air damper: no obstructions
Yes
Mixing Plenum
Check OK Comments
Clean
No excess dirt, not used for storage
No
All AHUs mixing plenum need 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
No
AHU-6 and 12 have significant air bypass.
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
No
Not all filters have dates on them. None of the filters have the name(s) of the tech(s) replacing the filters. A very large number of stock filters are stored through out the main Penthouse. Quite a few filters are stored improperly and are laying on the floor and/or in open boxes and collecting dust. One side of the AHU-6 access is completely blocked with the stock filters.
Heating Coils
Clean, no noticeable leaks, or obstructions
No
Needs thorough cleaning.
Cooling Coils
Clean, no noticeable leaks, or obstructions
No
Needs thorough cleaning.
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
Yes
No unusual odors, noise, or vibration
Yes
Central Plant
Check OK Comments
Heating Central Plant
Boiler operational
Yes
Misc. Comments
Work Order # 168133.