Indoor Environmental Quality HVAC Assessment of Clemens Crossing Elementary School: September 24th, 2020 (HXCCES2020000004)

Assessor
Hummy Khan
Date
Outdoor Temperature
66°F
Relative Humidity
76%
Outdoor Dew Point
54°F

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

Unit
Check OK Comments
Tag Number
Displayed
Yes
Status
Running
No
RTU-5 - No 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
No
RTU-6, 7, 8 unable to open the access doors completely to the relief fan/outdoor air dampers sections due to architectural screen around the them.
Deflectors & Screens
Present
Yes
No debris
Yes
Dampers
Outside air damper: no obstructions
No
RTU-1(York unit)- Both outside and relief air dampers appeared to be 100% closed. RTU-4, 7 & 8- outside air dampers appeared to be 100% 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
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
No
Not on all units.
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
No
RTU-8 & 9 - Condensate drain line broken. RTU-8 - Broken pieces of condensate drain line laying on the roof. RTU-9 -Tape is placed on a broken part of condensate line to stop a leak but water is still leaking on the roof away from the drain.
Proper slope, drain line ok, drainage acceptable, discharge okay
Yes
Fans and Motors
Check OK Comments
Condition
Operational
No
EF-7 - Not operating.
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 175- Set point 70 deg. Thermostat display shows "Aux heat on" yet the space temperature is 63 deg. but the unit was not running. Portable 176-System mode set in "Cooling" I changed it to "Auto".
Thermostat cover
No
Portable 176- Thermostat cover missing.
Fan Mode Correct
No
Portable 176-Fan in "ON" position but was not running upon arrival. I changed it to "Auto".
Space Temperature Acceptable
No
None of the portables were occupied.
Misc. Comments
Work Order: 168893
Work Order Number(s)
168893
Issues found durring this assessment have been assigned to the above work order(s).