Indoor Environmental Quality HVAC Assessment of Atholton Elementary School: January 27th, 2021 (HXXAES202100002F)

Assessor
Hummy Khan
Date
Outdoor Temperature
41°F
Relative Humidity
59%
Outdoor Dew Point
28°F

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

Unit
Check OK Comments
Tag Number
Displayed
No
Several exhaust fans have no tag numbers.
Status
Running
No
RTU-1B and RTU-4 - Not operational. HVAC department contacted while onsite.
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- Outside air dampers appear to be 100% open on a very cold day when they should only be partially open. Venmar RTU-2b-Outside air dampers appear to be closed.
Return air damper: no obstructions
No
AHU-1- Return air dampers appear to be closed when they should be open.
Mixing Plenum
Check OK Comments
Clean
No excess dirt, not used for storage
No
RTU-1A & 1B - Belts stored inside both units.
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)
No
AHU-1 and 2-Final filters missing.
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
Several exhaust fans not running. For example two exhaust fans near RTU-2A not running.
No unusual odors, noise, or vibration
No
EF-17 - Rattling.
Central Plant
Check OK Comments
Chilled Water Central Plant
Chiller operational
Yes
Not operational due to heating season
Cooling tower operational
Yes
Not operational due to heating season
Heating Central Plant
Boiler operational
Yes
Portable(s)
Check OK Comments
Thermostat
Thermostat setting acceptable
No
Portable 107- HVAC running in occupied mode while portable is unoccupied and maintaining occupied space temperature setting. Thermostat 107-2 display screen blank and unit not running. Thermostat 107-1 "Replace battery" message on display screen.
Thermostat cover
No
Portable 74-Thermostat cover missing.
Fan Mode Correct
Yes
Space Temperature Acceptable
Yes
Misc. Comments
1. Insulation falling off on a pump in mechanical penthouse.
2. RTU-4- Convenience electrical outlet security cover missing.
3. Filters improperly stored in mechanical penthouse.

Work Order: 178613
Work Order Number(s)
178613
Issues found durring this assessment have been assigned to the above work order(s).