Indoor Environmental Quality HVAC Assessment of Bollman Bridge Elementary School: June 11th, 2024 (HXBBES202400010B)

Assessor
Christopher Madden
Date
Outdoor Temperature
62°F
Relative Humidity
72%
Outdoor Dew Point
52°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
The exhaust fans do not have tag numbers. On some units, the identification (marker or paint) has worn off. Consider permanent tags.
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
RTU-6 - Outside air dampers closed.
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
Work Order Closed by Building Maintenance
RTU-1 and 2 - Moderate filter loading. Slated for replacement this month.
Not collapsed/not fallen off
Yes
Work Order Closed by Building Maintenance
RTU-1 - One filter has fallen. Attempted to reset but it fell again. The clips need to be repaired or replaced.
Present (not missing)
Yes
Date and initials written
Yes
Heating Coils
Clean, no noticeable leaks, or obstructions
Yes
Work Order Closed by Building Maintenance
RTU-3 - Minor dust on coils.
Cooling Coils
Clean, no noticeable leaks, or obstructions
Yes
Work Order Closed by Building Maintenance
RTU-3 - Minor dust 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
Yes
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
Work Order Closed by Building Maintenance
Portable 183 - The thermostat is set too low. It was not corrected while onsite because there is no lockbox. The thermostat should be corrected when re-installing the lockbox.
Thermostat cover
Yes
Work Order Closed by Building Maintenance
Portable 216 - The front lock box cover has been removed from all of the rooms. Portable 183 - The lockbox (to include the drywall anchors) has been removed from the wall.
Fan Mode Correct
Yes
Space Temperature Acceptable
Yes
Misc. Comments
RTU-1, 3 - The dampers were open while the unit was off.

RTU-7 - The dampers were open while the unit was off. When the unit came on, they did not appear to move.
Work Order Number(s)
26184
Issues found durring this assessment have been assigned to the above work order(s).