Indoor Environmental Quality HVAC Assessment of Bonnie Branch Middle School: April 26th, 2022 (HXBBMS202200008C)

Assessor
Christopher Madden
Date
Outdoor Temperature
63°F
Relative Humidity
78%
Outdoor Dew Point
56°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
EFs on Gym Room - No tag numbers.
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
AHU-1 - Outdoor air dampers questionable and should be reviewed by the HVAC Department.
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
OAU-1- Dust in return section. AHU-3 - Dust on blower motor.
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
Present (not missing)
Yes
Date and initials written
Yes
Work Order Closed by Building Maintenance
AHU-4 - No dates/initials on filters. Dates written on other units and are assumed to be same install date.
Heating Coils
Clean, no noticeable leaks, or obstructions
Yes
Work Order Closed by Building Maintenance
AHU-1 - Minor dust on coils.
Cooling Coils
Clean, no noticeable leaks, or obstructions
Yes
Work Order Closed by Building Maintenance
AHU-1 - 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
Work Order Closed by Building Maintenance
EF (closest to AHU-3) - Top housing loose. The remaining two EFs near gym unit - Rattle.
Central Plant
Check OK Comments
Chilled Water Central Plant
Chiller operational
Yes
Heating Central Plant
Boiler operational
Yes
Portable(s)
Check OK Comments
Thermostat
Thermostat setting acceptable
Yes
Thermostat cover
Yes
Fan Mode Correct
Yes
Work Order Closed by Building Maintenance
Fan modes were set to the "on" position. The HVAC department is currently in the process of changing the fan mode to reduce potential for elevated indoor humidity.
Space Temperature Acceptable
Yes
Work Order Number(s)
233263
Issues found durring this assessment have been assigned to the above work order(s).