Indoor Environmental Quality HVAC Assessment of Bellows Spring Elementary School: May 4th, 2023 (HXBSES20230000DB)

Assessor
Christopher Madden
Date
Outdoor Temperature
52°F
Relative Humidity
63%
Outdoor Dew Point
40°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
McQuay Unit Closest to Main Parking Lot - No tag number, possibly RTU-8. Unit Next to Large Kitchen Exhaust Fan - No tag number.
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
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
AHU-8 and Unit Next to Large Kitchen Exhaust Fan -Filter bypass.
Correct size
Yes
Free from excessive loading, dampness or odor
Yes
Mild loading (expected) was observed on most pre-filters. The filters are slated to be changed in July. No concerns were observed with the final filters.
Not collapsed/not fallen off
Yes
Present (not missing)
Yes
Date and initials written
Yes
Heating Coils
Clean, no noticeable leaks, or obstructions
Yes
Work Order Closed by Building Maintenance
AHU-8 - Coils need to be cleaned of dust. They are dirty due to upstream filter bypass. Unit Next to Large Kitchen Exhaust Fan - Coils need to be cleaned of dust. They are dirty due to upstream filter bypass.
Cooling Coils
Clean, no noticeable leaks, or obstructions
Yes
Work Order Closed by Building Maintenance
AHU-8 - Coils need to be cleaned of dust. They are dirty due to upstream filter bypass. Unit Next to Large Kitchen Exhaust Fan - Coils need to be cleaned of dust. They are dirty due to upstream filter bypass.
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
AHU-5 - PVC condensate drain 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
Yes
Work Order Closed by Building Maintenance
Portable 62 and 157 - Thermostat temperature setting too low.
Thermostat cover
Yes
Fan Mode Correct
Yes
Space Temperature Acceptable
Yes
Misc. Comments
Portable 181 - A printer (heat source) is located near the thermostat and may give a false impression of room temperature.
Work Order Number(s)
282169
Issues found durring this assessment have been assigned to the above work order(s).