Indoor Environmental Quality HVAC Assessment of Centennial High School: November 7th, 2024 (HXXCHS202400010D)

School
Centennial High School
Assessor
John Farmer
Date
Outdoor Temperature
73°F
Relative Humidity
67%
Outdoor Dew Point
63°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
Yes
Work Order Closed by Building Maintenance
AHU-2 and AHU-3 - Outside air dampeners appeared to be 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
Work Order Closed by Building Maintenance
RTU-1 - Access door to filters coming apart exposing fiberglass insulation.
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
Yes
Work Order Closed by Building Maintenance
RTU-1- Two filters closest to access panel appear new but inner filters appear to be older. AHU-2, AHU-3, & AHU-12 - Filters appear to be dirty. AHU-13 - Insects present in filters & filters appear to be dirty.
Not collapsed/not fallen off
Yes
Present (not missing)
Yes
Date and initials written
Yes
Work Order Closed by Building Maintenance
AHU-1, AHU-2, AHU-3, & AHU-13 - Missing dates on filters.
Heating Coils
Clean, no noticeable leaks, or obstructions
Yes
Cooling Coils
Clean, no noticeable leaks, or obstructions
Yes
Work Order Closed by Building Maintenance
Debris on coils - AHU-10, AHU-11, AHU-12,
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
Work Order Closed by Building Maintenance
AHU-13 - Leaking in multiple locations causing drip pan to have standing water and rust residue.
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
Chilled Water Central Plant
Cooling tower operational
Yes
Heating Central Plant
Boiler operational
Yes
Misc. Comments
AHU-12 - Flange gasket rusted, unit is leaking water and rusting at bottom.
AHU-1 - Air leak at the top of the unit.
AHU-2 - Unit is leaking water and rusting at bottom.
AHU-4 - Frost build up on connection.
Work Order Number(s)
44702
Issues found durring this assessment have been assigned to the above work order(s).