Indoor Environmental Quality HVAC Assessment of Waverly Elementary School: May 26th, 2022 (HWAVES2022000097)

Assessor
Jeffrey Klenk
Date
Outdoor Temperature
68°F
Relative Humidity
78%
Outdoor Dew Point
61°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
Work Order Closed by Building Maintenance
An access panel on dedicated outdoor air handling unit (DOAS) 11 had its handles in the unlocked position with panel slightly ajar. Assessor closed and secured access panel upon finding.
Deflectors & Screens
Present
Yes
No debris
Yes
Dampers
Outside air damper: no obstructions
Yes
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
Work Order Closed by Building Maintenance
Primary air filter blown out (secondary/pre-filter fell out of housing) in DOAS-1.
Correct size
Yes
Work Order Closed by Building Maintenance
General - The secondary air filters appear to be correct size, but have a light cardboard framing which warps/shrinks due to direct impact of unconditioned outdoor air entering outdoor intake then falls out of the filter rack/housing.
Free from excessive loading, dampness or odor
Yes
Work Order Closed by Building Maintenance
DOAS-12 - Secondary air filter appears overloaded with particulate.
Not collapsed/not fallen off
Yes
Work Order Closed by Building Maintenance
Secondary air filters not secured in filter housing/rack in DOAS-1, 2, 4, 9, 11, and 12.
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
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
Yes
Thermostat cover
Yes
Fan Mode Correct
Yes
Space Temperature Acceptable
Yes
Misc. Comments
The cover is off an electronic control box within DOAS 1 (back side of heat recovery wheel) exposing circuitry to airstream.
Work Order Number(s)
237210
Issues found durring this assessment have been assigned to the above work order(s).