Indoor Environmental Quality HVAC Assessment of St. John’s Lane Elementary School: June 3rd, 2021 (HSJLES2021000045)

Assessor
Hummy Khan
Date
Outdoor Temperature
79°F
Relative Humidity
70%
Outdoor Dew Point
70°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
No
All Heatex rooftop units protective screens are not in place and just laying on the unit and need to be reinstalled.
No debris
Yes
Dampers
Outside air damper: no obstructions
No
RAHU-A - Outside air dampers appeared to be closed.
Return air damper: no obstructions
Yes
Mixing Plenum
Check OK Comments
Clean
No excess dirt, not used for storage
No
All Heatex RTUs mixed air plenum very dirty and needs cleaning.
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
No
Name initials of the installing technician not written on filters.
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
No
All Heatex RTUs - Condensate drain line not connected.
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
Yes
Cooling tower operational
Yes
Heating Central Plant
Boiler operational
Yes
Portable(s)
Check OK Comments
Thermostat
Thermostat setting acceptable
No
Four portables out of six portables, thermostats were in "Cool" mode and should have been in "AUTO". Changed to "Auto" while on site. Portable #171 appeared to be in heating mode instead of cooling mode even though it says "AUTO". Was unable to change the mode. Refer to finding under "Thermostat Cover". Thermostat should be checked for proper setting and operation. Portable # 207- Cool set point was set at 70 deg. instead of 74 deg. standard. Changed to 74 deg while on site.
Thermostat cover
No
Portable # 171- Thermostat cover guard cannot be unlocked and removed due to conflict with fire alarm pull station located right below it. Relocate thermostat or fire alarm pull station to provide proper access to thermostat cover guard lock.
Fan Mode Correct
Yes
Space Temperature Acceptable
Yes
Misc. Comments
Work Order: 194125
Work Order Number(s)
194125
Issues found durring this assessment have been assigned to the above work order(s).