Indoor Environmental Quality HVAC Assessment of Centennial Lane Elementary School: March 18th, 2024 (HXCLES20240000FA)

Assessor
Hummy Khan
Date
Outdoor Temperature
71°F
Relative Humidity
61%
Outdoor Dew Point
56°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
Most of the units do not have proper tag numbers.
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
Work Order Closed by Building Maintenance
RTU-9 - Access door latch to return fan severely bent.
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 when comparing similar types of units. For example: • RTU-1 and RTU-9-The OADs are less open compared to similar units. The OADs were observed to be 100% closed on the following units, for example: • RTU- 2 and RTU-12
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
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
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
Work Order Closed by Building Maintenance
RTU-9 - Supply fan not running and the motor needs to be further assessed. Also, it appears that the condenser fans and compressor not running. RTU-2, RTU-12, RTU-13, RTU-14 and AHU-3 - It appears that the condenser fans and compressor are not running.
No unusual odors, noise, or vibration
Yes
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 # 90 - Thermostat 1 and 2 are on permanent hold but should be in Auto. Thermostat 1 display indicates: "change air filter". Portable # 149 - Cooling set point set at 70 deg. The standard set point for cooling is 74 deg. Portable # 230 - Thermostat display: "change air filter".
Thermostat cover
Yes
Work Order Closed by Building Maintenance
Portable # 197- Thermostat lock box top portion falling out. The lock box is supposed to be locked and completely closed. Properly closed it while on site.
Fan Mode Correct
Yes
Space Temperature Acceptable
Yes
Work Order Number(s)
15647
Issues found durring this assessment have been assigned to the above work order(s).