Indoor Environmental Quality HVAC Assessment of Patapsco Middle School: March 23rd, 2023 (HXXPMS20230000C6)

Assessor
Hummy Khan
Date
Outdoor Temperature
53°F
Relative Humidity
83%
Outdoor Dew Point
48°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
No tag numbers on several exhaust fans, repeat finding.
Status
Running
Yes
Roof Top Unit (RTU)-7 - Not running. Unit is associated with Kitchen and is not necessarily on at all times.
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
Large Rooftop unit (no tag number) located near AAON-RTU-14 - Back access door open. Closed it while on site.
Deflectors & Screens
Present
Yes
No debris
Yes
Dampers
Outside air damper: no obstructions
Yes
Work Order Closed by Building Maintenance
RTU-14 - 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
Work Order Closed by Building Maintenance
RTU-3, RTU-6, and RTU-8 - Bypass.
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
RTU-12 and RTU-13 - No dates or initials on 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
Work Order Closed by Building Maintenance
RTU-2, RTU-6, and unit located near AAON-RTU-14 (no tag number) - Broken condensate drain lines.
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
Exhaust fans (no tag number) located near RTU-4 - Vibrating.
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 #250 and #251 - Change air filter alarm.
Thermostat cover
Yes
Fan Mode Correct
Yes
Space Temperature Acceptable
Yes
Work Order Number(s)
277375
Issues found durring this assessment have been assigned to the above work order(s).