Indoor Environmental Quality HVAC Assessment of Veterans Elementary School: January 23rd, 2023 (HXXVES20230000B7)

Assessor
Hummy Khan
Date
Outdoor Temperature
38°F
Relative Humidity
90%
Outdoor Dew Point
36°F

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

Unit
Check OK Comments
Tag Number
Displayed
Yes
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
Yes
Work Order Closed by Building Maintenance
Inconsistency on the position of the outside air dampers (OADs) from one unit to the other. On some units OADs appear to be 100% open and on others 100% closed while on others partially open. For example: RAHU-2 - The OADs are not as open as other similar units (RAHU-1 and RAHU-3).
Return air damper: no obstructions
Yes
Mixing Plenum
Check OK Comments
Clean
No excess dirt, not used for storage
Yes
Work Order Closed by Building Maintenance
OAHU-4 - Ladder stored inside the unit.
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
Work Order Closed by Building Maintenance
OAHU-2- Pre-filters dirty. It is recommended they be replaced more frequently.
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
Yes
No unusual odors, noise, or vibration
Yes
Work Order Closed by Building Maintenance
RAHU-4 - Return/exhaust fan making a loud noise.
Central Plant
Check OK Comments
Chilled Water Central Plant
Chiller operational
Yes
Turned off 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 190- Thermostat system set in "Heat" mode instead of "Auto" mode. Changed it to "Auto" mode while on site. Also, display screen message says to set clock, this needs to be done by the HVAC shop.
Thermostat cover
Yes
Fan Mode Correct
Yes
Space Temperature Acceptable
Yes
Work Order Number(s)
269809
Issues found durring this assessment have been assigned to the above work order(s).