Indoor Environmental Quality HVAC Assessment of Lime Kiln Middle School: January 18th, 2023 (HXLKMS20230000B5)

Assessor
Hummy Khan
Date
Outdoor Temperature
41°F
Relative Humidity
88%
Outdoor Dew Point
38°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 any exhaust fans, repeat finding.
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
AHU-4 - Air bypass due to one filter coming out. See above.
Correct size
Yes
Free from excessive loading, dampness or odor
Yes
Not collapsed/not fallen off
Yes
Work Order Closed by Building Maintenance
AHU-4 - Filter falling out. Pushed it back on the track to properly aligned with other filters, while on site. AHU-5- one filter had completely fallen off, reinstalled while on site. On some units the filters appeared to be slightly shorter in height for the filter tracks and that might be the reason they are falling off.
Present (not missing)
Yes
Work Order Closed by Building Maintenance
All rooftop units have two tracks for two sets of filters, pre filters and final filters. One set of filters is missing.
Date and initials written
Yes
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
Condensate drain improperly terminated on all rooftop units, repeat finding.
Fans and Motors
Check OK Comments
Condition
Operational
Yes
Work Order Closed by Building Maintenance
Exhaust fans (no tag number) on the roof near front entrance - Not running.
No unusual odors, noise, or vibration
Yes
Work Order Closed by Building Maintenance
Exhaust fan (no tag number) located upfront on the roof near the front entrance and another one near AHU-11 - Rattling.
Central Plant
Check OK Comments
Chilled Water Central Plant
Chiller operational
Yes
Heating Central Plant
Boiler operational
Yes
Work Order Number(s)
269518
Issues found durring this assessment have been assigned to the above work order(s).