Indoor Environmental Quality HVAC Assessment of Glenelg High School: April 29th, 2022 (HXXGHS202200008F)

Assessor
Hummy Khan
Date
Outdoor Temperature
55°F
Relative Humidity
20%
Outdoor Dew Point
16°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 number on many rooftop units or exhaust fans, repeat finding.
Status
Running
Yes
Work Order Closed by Building Maintenance
Munters RTUs- AHU-1, AHU-2, AHU-3, AHU-4, and McQuay RTU-1, RTU-2 and RTU-3 and Stage AHU (no number) and two McQuay RTUs (no tag number located at the front of the building near the front entrance) - Not operating.
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-6 - Outside air dampers (OADs) insignificantly open. AHU-7- OADs 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 (no tag number) located near RTU-3 - Air bypass around filters.
Correct size
Yes
Free from excessive loading, dampness or odor
Yes
Not collapsed/not fallen off
Yes
Work Order Closed by Building Maintenance
AHU-1 - Two filters are slightly bent.
Present (not missing)
Yes
Work Order Closed by Building Maintenance
Munters AHU-6 - Filter missing.
Date and initials written
Yes
Work Order Closed by Building Maintenance
No initials on the filters of the installing technician on many filters. For example AHU-1. AHU-6- No date or initials on the filters of the installing technician.
Heating Coils
Clean, no noticeable leaks, or obstructions
Yes
Cooling Coils
Clean, no noticeable leaks, or obstructions
Yes
Work Order Closed by Building Maintenance
AHU-1 - Coils dirty.
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 on almost all the units is improperly terminated.
Fans and Motors
Check OK Comments
Condition
Operational
Yes
No unusual odors, noise, or vibration
Yes
Work Order Closed by Building Maintenance
Exhaust fan (no tag number) located near AHU-6 and right next to a fixed ladder and another exhaust fan located near auditorium unit have excessive noise. Large McQuay RTU (no tag number located above the auditorium area) - Fan noisy.
Central Plant
Check OK Comments
Chilled Water Central Plant
Chiller operational
Yes
Work Order Closed by Building Maintenance
Not operational due to heating season.
Heating Central Plant
Boiler operational
Yes
Misc. Comments
Venmar RTUs (no tag numbers) insulation pieces appears to be stuck in the relief vent screen.
Work Order Number(s)
233941
Issues found durring this assessment have been assigned to the above work order(s).