Indoor Environmental Quality HVAC Assessment of Gorman Crossing Elementary School: January 30th, 2023 (HXGCES20230000BA)

Assessor
Hummy Khan
Date
Outdoor Temperature
54°F
Relative Humidity
53%
Outdoor Dew Point
39°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 some exhaust fans, repeat finding.
Status
Running
Yes
Work Order Closed by Building Maintenance
AAON (ACU-3) - Disconnect switch turned off. Informed Building Maintenance (HVAC) of this by email upon discovery.
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
Work Order Closed by Building Maintenance
Inconsistency on the position of the outside air dampers (OADs) from one unit to the other. For example, AHU-3, AHU-4, and AHU-5 OADs are 100% open while on RTU-(kindergarten), they are less open.
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
Work Order Closed by Building Maintenance
AHU-1 - Filters installed backwards.
Present (not missing)
Yes
Date and initials written
Yes
Work Order Closed by Building Maintenance
No name of the installing technician on the filters.
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
Yes
Work Order Closed by Building Maintenance
EF (no tag number, located near RTU 3+4) - Rattling. EF-6 - Hood coming off.
No unusual odors, noise, or vibration
Yes
Central Plant
Check OK Comments
Chilled Water Central Plant
Chiller operational
Yes
Air cooled chiller 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 292- "Cancel Alarm" message on the thermostat display screen.
Thermostat cover
Yes
Fan Mode Correct
Yes
Space Temperature Acceptable
Yes
Work Order Number(s)
270959
Issues found durring this assessment have been assigned to the above work order(s).