Indoor Environmental Quality HVAC Assessment of Ilchester Elementary School: December 15th, 2020 (HXXIES2020000026)

Assessor
Hummy Khan
Date
Outdoor Temperature
39°F
Relative Humidity
43%
Outdoor Dew Point
19°F

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

Unit
Check OK Comments
Tag Number
Displayed
No
No tag numbers on rooftop units or exhaust fans.
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
No
RTU located southwest side and towards the back & right hand side facing the building and bigger RTU on higher roof - Outside air dampers barely open. Smaller RTU on higher roof outside air dampers appear to be closed.
Return air damper: no obstructions
No
RTU (southeast side of building) - Return air dampers less open compared to other units.
Mixing Plenum
Check OK Comments
Clean
No excess dirt, not used for storage
No
Governair RTU (2nd closest unit to roof hatch) - Fan assembly very dirty. Governair RTU (located southwest side) box stored in mixing plenum.
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
No
Governair RTU-5 (written by hand-first unit closest to roof hatch)- Filter end cover plate screws missing and cover plate can fall off from air pressure creating a bypass. Smaller unit on higher roof the end cover plate laying on floor.
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
No
Bigger RTU on higher roof- Condensate drain improperly terminated.
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
No
Portable 35- Auxiliary heat on. Portable 184 and 210- Thermostat display screen message "Change air filter" alarm.
Thermostat cover
No
Portable 35 -t Thermostat front cover missing.
Fan Mode Correct
Yes
Space Temperature Acceptable
No
Portable 35- Motion sensor does not appear to be working and maintaining occupied set point temperature. Portable 184 and 210- do not appear to have motion sensors and maintaining occupied set point temperature.
Misc. Comments
Work Order: 176693.
Work Order Number(s)
176693
Issues found durring this assessment have been assigned to the above work order(s).