Indoor Environmental Quality HVAC Assessment of Northfield Elementary School: March 9th, 2021 (HXXNES2021000039)

Assessor
Christopher Madden
Date
Outdoor Temperature
45°F
Relative Humidity
37%
Outdoor Dew Point
20°F

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

Unit
Check OK Comments
Tag Number
Displayed
No
OAHP -7 - No tag number.
Status
Running
No
OAHP-7 - Not operational.
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
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
No
P-Traps present in various units.- No odors.
Filters and Coils
Check OK Comments
Filters
Free of any bypassing
No
Gym Unit (Hastings) - Incorrectly sized filter in top rack causing bypass.
Correct size
No
OAHP-7 - Incorrectly sized filter. Has two sets of filters instead of one thicker size. The second row of the "double-layer" of filters is to small. Gym Unit (Hastings) - Incorrectly sized filter in top rack causing bypass.
Free from excessive loading, dampness or odor
Yes
Not collapsed/not fallen off
Yes
Present (not missing)
Yes
Date and initials written
Yes
Heating Coils
Clean, no noticeable leaks, or obstructions
No
HP # 4 - Minor dust build up on coils.
Cooling Coils
Clean, no noticeable leaks, or obstructions
No
HP # 4 - Minor dust build up on coils.
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
HP#3 - Condensate line not terminated at the roof drain.
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
Yes
Thermostat cover
Yes
Fan Mode Correct
No
Portable 200 - Thermostat is set to "auto."
Space Temperature Acceptable
Yes
Misc. Comments
WO #183494 and 183749.
Work Order Number(s)
183494,183749
Issues found durring this assessment have been assigned to the above work order(s).