Indoor Environmental Quality HVAC Assessment of Patuxent Valley Middle School: April 16th, 2024 (HXPVMS2024000100)

Assessor
Hummy Khan
Date
Outdoor Temperature
58°F
Relative Humidity
48%
Outdoor Dew Point
39°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
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
Work Order Closed by Building Maintenance
RAHU-2, 5, 11 & 12 - Air bypass around filters due to incorrect size.
Correct size
Yes
Work Order Closed by Building Maintenance
RAHU-2, 5, 11 & 12 - Incorrect size filter.
Free from excessive loading, dampness or odor
Yes
Not collapsed/not fallen off
Yes
Present (not missing)
Yes
Work Order Closed by Building Maintenance
Rooftop Air Handling Unit (RAHU-6) - Filter missing.
Date and initials written
Yes
Work Order Closed by Building Maintenance
RAHU-6 - No installation date or initials on pre-filters.
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
Work Order Closed by Building Maintenance
Several Rooftop Units - Condensate drain improperly terminated, repeat finding.
Fans and Motors
Check OK Comments
Condition
Operational
Yes
No unusual odors, noise, or vibration
Yes
Work Order Closed by Building Maintenance
RAHU-6 - Making unusual excessive noise.
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 # 224, 225 and 226 - Thermostat on permanent hold and change air filter alarm/message on thermostat display screen.
Thermostat cover
Yes
Fan Mode Correct
Yes
Space Temperature Acceptable
Yes
Misc. Comments
Portable # 215- Replace battery message on thermostat display screen.
Work Order Number(s)
21623
Issues found durring this assessment have been assigned to the above work order(s).