Indoor Environmental Quality HVAC Assessment of Waverly Elementary School: June 3rd, 2021 (HWAVES2021000044)

Assessor
Hummy Khan
Date
Outdoor Temperature
70°F
Relative Humidity
93%
Outdoor Dew Point
66°F

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

Unit
Check OK Comments
Tag Number
Displayed
No
No tag numbers on any exhaust fans.
Status
Running
No
DOAS-1 - Return fans not running. DOAS-3- Compressor/condensing section seems to be short cycling.
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
Correct size
Yes
Free from excessive loading, dampness or odor
No
DOAS-9 - This rooftop unit and other similar units bring in 100% outside and due to that reason filters appeared to be very dirty and should be replaced every six months, if not sooner.
Not collapsed/not fallen off
No
DOAS-1, DOAS-2, DOAS-4 and 10 - One filter has fallen off. Reinstalled fallen filters on DOAS-1, DOAS-4 and 10 while on site. Was unable to reinstall filter for DOAS-2. Daikin AHU-1-Middle rack filters installed in wrong direction. Corrected direction while on site.
Present (not missing)
Yes
Date and initials written
No
No initials of the installing technician written on the 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
No
AAON- RTU-2 - No condensate drain line and standing water in condensate drain pan.
Fans and Motors
Check OK Comments
Condition
Operational
No
Two exhaust fans on the roof near air cooled chiller on the ground in the courtyard not running. Exhaust fan next to AHU-2 (Daikin) and DOAS-3 - Not running.
No unusual odors, noise, or vibration
Yes
Central Plant
Check OK Comments
Heating Central Plant
Boiler operational
Yes
Portable(s)
Check OK Comments
Thermostat
Thermostat setting acceptable
No
Portable Villa Room 2, 3, 4 and 5 - Thermostats in alarm.
Thermostat cover
No
Portable Villa Room 2- No cover guard.
Fan Mode Correct
Yes
Space Temperature Acceptable
Yes
Misc. Comments
Some stock filters for rooftop units improperly stored in boiler room. Should be inside completely closed box to prevent dust collection.

Work Order: 193939
Work Order Number(s)
193939
Issues found durring this assessment have been assigned to the above work order(s).