Indoor Environmental Quality HVAC Assessment of Centennial High School: March 15th, 2022 (HXXCHS2022000077)

Assessor
Hummy Khan
Date
Outdoor Temperature
39°F
Relative Humidity
79%
Outdoor Dew Point
33°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
No tag numbers on two Trane rooftop units (outside of penthouses). No tag numbers on any exhaust fans on the roof (not located in the mechanical penthouses).
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
Work Order Closed by Building Maintenance
All the air handling units inside the mechanical penthouse are dirty.
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
Yes
Not collapsed/not fallen off
Yes
Present (not missing)
Yes
Date and initials written
Yes
Work Order Closed by Building Maintenance
No initials on any filters of the installing technician.
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
Yes
Work Order Closed by Building Maintenance
Trane Units (2, no tag numbers) - Condensate drain improperly terminated, repeat finding.
Fans and Motors
Check OK Comments
Condition
Operational
Yes
Work Order Closed by Building Maintenance
Exhaust fan # 8, 10, 15, 16 - Not working. Exhaust fan near two Trane rooftop units (no tag number) - Not working.
No unusual odors, noise, or vibration
Yes
Work Order Closed by Building Maintenance
Central Plant
Check OK Comments
Chilled Water Central Plant
Chiller operational
Yes
Not running due to heating season
Cooling tower operational
Yes
Not running due to heating season
Heating Central Plant
Boiler operational
Yes
Portable(s)
Check OK Comments
Thermostat
Thermostat setting acceptable
Yes
Work Order Closed by Building Maintenance
Portable # 196- The thermostat guard is loosely anchored and must be properly anchored and tightened. Portable #140- system is emergency heat mode. Should be in auto, needs to be assesses by HVAC Department.
Thermostat cover
Yes
Fan Mode Correct
Yes
Space Temperature Acceptable
Yes
Misc. Comments
AHU-7 and AHU-9- None of the temperature gauges are operational.
Work Order Number(s)
228159
Issues found durring this assessment have been assigned to the above work order(s).