Indoor Environmental Quality HVAC Assessment of Centennial High School: October 15th, 2020 (HXXCHS202000000E)

Assessor
Hummy Khan
Date
Outdoor Temperature
66°F
Relative Humidity
65%
Outdoor Dew Point
56°F

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

Unit
Check OK Comments
Tag Number
Displayed
Yes
Status
Running
No
AHU-11 - Not Operational.
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
No
AHU-1 and 2 - Outside air dampers 100% closed.
Return air damper: no obstructions
Yes
Mixing Plenum
Check OK Comments
Clean
No excess dirt, not used for storage
No
All units need thorough cleaning.
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
AHU-1 and AHU-11 - Air bypass around filter(s).
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
Yes
Fans and Motors
Check OK Comments
Condition
Operational
No
Unit 7 - Return fan not operational. Exhaust Fan 15 - Not operational.
No unusual odors, noise, or vibration
Yes
Central Plant
Check OK Comments
Chilled Water Central Plant
Chiller operational
Yes
Cooling tower operational
No
Cooling tower making excessive noise.
Heating Central Plant
Boiler operational
Yes
Portable(s)
Check OK Comments
Thermostat
Thermostat setting acceptable
No
Portable 165- Two active alerts message on thermostat screen display. Portable 118 and 119- System in "On" position.
Thermostat cover
No
Portable 140-Thermostat front cover missing. Portable 228- Thermostat lockbox not properly anchored into the wall. Portable 195-Thermostat lockbox was not locked but it was locked during inspection.
Fan Mode Correct
No
Portable 195 and 227- Fan in "On" position, changed it to "auto".
Space Temperature Acceptable
Yes
Misc. Comments
AHU-7-All gauges are at zero.

Work Order: 170824
Work Order Number(s)
170824
Issues found durring this assessment have been assigned to the above work order(s).