Indoor Environmental Quality HVAC Assessment of Veterans Elementary School: December 2nd, 2020 (HXXVES2020000022)

Assessor
Hummy Khan
Date
Outdoor Temperature
45°F
Relative Humidity
48%
Outdoor Dew Point
27°F

Air Handling Unit (Assess representative sample of RTU/AHU, including Portables)

Unit
Check OK Comments
Tag Number
Displayed
Yes
Status
Running
No
RAHU-2 (McQuay) - Not operational.
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
No
RAHU-3- Outside air section access door latch broken and was not latched.
Deflectors & Screens
Present
Yes
No debris
Yes
Dampers
Outside air damper: no obstructions
No
RAHU-1 and 3 (McQuay)- Outside air dampers wide open, much more than they should be when compared to the other units. OAHU-3-Supply air dampers inside the unit appear to be closed.
Return air damper: no obstructions
Yes
Mixing Plenum
Check OK Comments
Clean
No excess dirt, not used for storage
No
RAHU-3 - Ladder stored within unit.
Insulation
Secure and Clean
Yes
P-Trap (if present)
Charged with liquid
Yes
Filters and Coils
Check OK Comments
Filters
Free of any bypassing
No
OAHU-1,2,3 - Blank cover plate both for the supply fan and exhaust fan filters were not installed and laying on unit floor causing air bypass. These were installed during inspection.
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
No
Exhaust fan EF-4, 5, 6, 9 - Not running.
No unusual odors, noise, or vibration
No
RAHU-4 (McQuay) - Relief fan wobbling.
Central Plant
Check OK Comments
Chilled Water Central Plant
Chiller operational
Yes
Not operational due to heating season.
Heating Central Plant
Boiler operational
Yes
Portable(s)
Check OK Comments
Thermostat
Thermostat setting acceptable
No
Portable # 190 was "Hold" instead of "Auto". Changed it to "Auto" while on site.
Thermostat cover
No
Portable# 114 and 190 - Front cover missing.
Fan Mode Correct
No
Space Temperature Acceptable
No
Portable #114 was in cooling mode, changed it to auto mode while on site. Prior to the change the space temperature was 44 deg.
Misc. Comments
Work Order: 175215
Work Order Number(s)
175215
Issues found durring this assessment have been assigned to the above work order(s).