Indoor Environmental Quality HVAC Assessment of Waterloo Elementary School: October 30th, 2020 (HWATES2020000014)

Assessor
Hummy Khan
Date
Outdoor Temperature
46°F
Relative Humidity
87%
Outdoor Dew Point
43°F

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

Unit
Check OK Comments
Tag Number
Displayed
No
A few exhaust fans do not have tag numbers.
Status
Running
No
Exhaust fans-F-99, F-25 and another exhaust fan (no tag #) 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
No
PRTU-103 - One of the access door has a relatively significant air leakage. May need new gasket.
Deflectors & Screens
Present
Yes
No debris
Yes
Dampers
Outside air damper: no obstructions
No
Gym Unit (next to EF-109 and PRTU-102) - Outside air dampers appear to be100% closed.
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
Gym unit ( (next to EF-109 and PRTU-102) - Filter end plate missing and creating air bypass. PRTU-102 one end cover plate missing from one set of cover plate, no air bypass though.
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
No
PRTU-101 - Condensate drain pipe broken.
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
Portable(s)
Check OK Comments
Thermostat
Thermostat setting acceptable
No
Portable 143- Message on thermostat screen display "Replace battery". Portable 70- Thermostat display blank, also furniture blocking the access. Principal and the front office staff were requested to clear the area for access.
Thermostat cover
Yes
Fan Mode Correct
Yes
Space Temperature Acceptable
Yes
Misc. Comments
Work Order: 172822
Work Order Number(s)
172822
Issues found durring this assessment have been assigned to the above work order(s).