Indoor Environmental Quality HVAC Assessment of Elkridge Landing Middle School: January 10th, 2022 (HXELMS2022000063)

Assessor
Hummy Khan
Date
Outdoor Temperature
30°F
Relative Humidity
38%
Outdoor Dew Point
7°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
No
AHU-7- Outside air dampers (OADs) appeared to be 100% open when it is 30 deg. F outside. They should be open at minimum position. Positions of the OADs should be verified and the operation should be corrected, if necessary.
Return air damper: no obstructions
No
AHU-5- Return air dampers appeared to be 100% closed, which means either 100% outside air coming into the unit or the unit is starving for air.
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
No
AHU-4 and AHU-7 - Air bypass around filters.
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
No
AHU-3- At the time of January 2022 inspection filters were dated July 2022. Seven months into the future.
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
Fans and Motors
Check OK Comments
Condition
Operational
Yes
No unusual odors, noise, or vibration
Yes
Central Plant
Check OK Comments
Chilled Water Central Plant
Chiller operational
No
Chiller not operational due to heating season.
Heating Central Plant
Boiler operational
Yes
Misc. Comments
AHU-3- Static air pressure gauge missing from the panel. Control panel door opened. Closed it while onsite.
Work Order Number(s)
219800
Issues found durring this assessment have been assigned to the above work order(s).