Indoor Environmental Quality HVAC Assessment of Manor Woods Elementary School: April 1st, 2022 (HXMWES202200007D)

Assessor
Jeffrey Klenk
Date
Outdoor Temperature
51°F
Relative Humidity
47%
Outdoor Dew Point
31°F

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

Unit
Check OK Comments
Tag Number
Displayed
Yes
Status
Running
Yes
Work Order Closed by Building Maintenance
RTU 11 - No 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
Yes
Deflectors & Screens
Present
Yes
No debris
Yes
Dampers
Outside air damper: no obstructions
Yes
Work Order Closed by Building Maintenance
RTUs-2, 3, 7, and 10 - The outdoor air dampers were closed. ACU-1 and 2 -The operation or minimum setting of the outdoor air dampers is questionable.
Return air damper: no obstructions
Yes
Work Order Closed by Building Maintenance
The perforations of the grate located on top of the return air duct within/entering RTU 10 are becoming obstructed with accumulating dust.
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
Work Order Closed by Building Maintenance
Heating/cooling coil in RTU-6, 8, and 9 have some visible particulate accumulation.
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
Work Order Closed by Building Maintenance
The condensate pans in RTU-2, 4, 6, 8, and 9 have scale forming and/or loose scale.
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
Exhaust fan #6 was not operating when inspecting from on top off the roof. The fan belt in RTU #2 appears to have too much deflection (top portion).
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
Thermostat cover
Yes
Fan Mode Correct
Yes
Space Temperature Acceptable
Yes
Misc. Comments
Time of inspection was 11:45 am to 12:45 pm. The minor amount of pipe insulation with paper wrap in AHU #1 has some signs of moisture damage.
Work Order Number(s)
230470, 230472, 230476, 230479
Issues found durring this assessment have been assigned to the above work order(s).