Assessor
Hummy Khan
Date
Outdoor Temperature
45°F
Relative Humidity
87%
Outdoor Dew Point
41°F
Air Handling Unit (Assess representative sample of RTU/AHU, including Portables)
| Check | OK | Comments |
|---|---|---|
| Tag Number | ||
Displayed
|
Yes
|
|
| Status | ||
Running
|
Yes Work Order Closed by Building Maintenance
|
RTU-7- Air conditioning appeared to be running while the outside temperature was 45 deg. All other units appeared to be in the right mode of operation (heating). Notified the HVAC department of this finding via email.
|
| 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
|
RTU-5- Latch on access door to mixing plenum broken.
|
| Deflectors & Screens | ||
Present
|
Yes
|
|
No debris
|
Yes
|
|
| Dampers | ||
Outside air damper: no obstructions
|
Yes Work Order Closed by Building Maintenance
|
Inconsistency on the position of the outside air dampers (OADs) from one unit to the other. On some units OADs appear to be 100% open and on some units100% closed while on others partially open. For example, RTU-2, RTU-4, RTU-6, RTU-8 and RTU-9: OADs 100% open and for RTU-3: OADs 100% closed.
|
Return air damper: no obstructions
|
Yes
|
|
| Check | OK | Comments |
|---|---|---|
| Clean | ||
No excess dirt, not used for storage
|
Yes Work Order Closed by Building Maintenance
|
All rooftop units - Mixing plenum very dirty and should be thoroughly cleaned.
|
| Insulation | ||
Secure and Clean
|
Yes
|
|
| P-Trap (if present) | ||
Charged with liquid
|
Yes
|
|
| Check | OK | Comments |
|---|---|---|
| Filters | ||
Free of any bypassing
|
Yes
|
|
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
|
In most units pre-filters have no dates and/or initials. AAON-RTU-2 - One filter dated March 2022 and another filter dated July 2021.
|
| 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
|
|
| Check | OK | Comments |
|---|---|---|
| Condition | ||
Operational
|
Yes
|
|
No unusual odors, noise, or vibration
|
Yes Work Order Closed by Building Maintenance
|
Exhaust fan (EF-2) - Excessive noise.
|
| Check | OK | Comments |
|---|---|---|
| Heating Central Plant | ||
Boiler operational
|
Yes
|
|
| Check | OK | Comments |
|---|---|---|
| Thermostat | ||
Thermostat setting acceptable
|
Yes Work Order Closed by Building Maintenance
|
Portable 175- Thermostat was set in the wrong mode of operation "cool" when it should have been in the "auto" mode. This was corrected while on site and the Building Maintenance was notified of this and to follow up and ensure proper operation.
|
Thermostat cover
|
Yes
|
|
Fan Mode Correct
|
Yes
|
|
Space Temperature Acceptable
|
Yes Work Order Closed by Building Maintenance
|
Portable 175- Due to the incorrect setting of the mode of operation the space temperature was 55 deg. while both the teacher and students were in the portable. See comment above, thermostat was in the wrong mode.
|
Misc. Comments
Some brand new spare filters stored in the mechanical room and laying open outside the boxes collecting dust and exposed to the outside elements losing the performance level of brand new filters.
Work Order Number(s)
257254
Issues found durring this assessment have been assigned to the above
work order(s).