Indoor Environmental Quality HVAC Assessment of Northfield Elementary School: March 31st, 2022 (HXXNES202200007B)

Assessor
Christopher Madden
Date
Outdoor Temperature
62°F
Relative Humidity
78%
Outdoor Dew Point
55°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
Work Order Closed by Building Maintenance
H&V-1 - Door at filter (facing fields), bottom latch doesn't close easily. H&V-1 - The units seams/edges are taped in various locations.
Deflectors & Screens
Present
Yes
No debris
Yes
Dampers
Outside air damper: no obstructions
Yes
Work Order Closed by Building Maintenance
H&V-1 - Outside air dampers appear closed. RTHP-4 - The outside air dampers appear questionable and will need further assessment from the HVAC department.
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
Work Order Closed by Building Maintenance
H&V-1 - Sound insulation deteriorating. RTHP #2 - Weather stripping falling off of filter door.
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
The filters for the ROAHP Units appear to be starting to collapse/fail. However, they are still currently in place with no apparent bypass.
Present (not missing)
Yes
Date and initials written
Yes
Work Order Closed by Building Maintenance
RTPH#2 - No dates on filters of this unit. Dates were written on the filters for other units and are assumed to be the same age.
Heating Coils
Clean, no noticeable leaks, or obstructions
Yes
Work Order Closed by Building Maintenance
OAHP-6 - Coils Dirty.
Cooling Coils
Clean, no noticeable leaks, or obstructions
Yes
Work Order Closed by Building Maintenance
OAHP-6 - Coils Dirty.
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
EF-10- Noise, belt may need to be assessed/tightened.
Central Plant
Check OK Comments
Heating Central Plant
Boiler operational
Yes
Portable(s)
Check OK Comments
Thermostat
Thermostat setting acceptable
Yes
Thermostat cover
Yes
Work Order Closed by Building Maintenance
Portable 274 - No thermostat guard.
Fan Mode Correct
Yes
Space Temperature Acceptable
Yes
Work Order Number(s)
229786
Issues found durring this assessment have been assigned to the above work order(s).