Indoor Environmental Quality HVAC Assessment of Harper’s Choice Middle School: September 29th, 2021 (HXHCMS202100004E)

Assessor
Hummy Khan
Date
Outdoor Temperature
61°F
Relative Humidity
60%
Outdoor Dew Point
46°F

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

Unit
Check OK Comments
Tag Number
Displayed
Yes
Addressed by Building Maintenance
No tag number on rooftop unit that appears to be for the kitchen.
Status
Running
Yes
Addressed by Building Maintenance
Trane RTU appears to be for the kitchen, not running.
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
Addressed by Building Maintenance
All Air Handling Units- Outside air dampers (OADs) appear to be barely open and may not even be open to the minimum position. Given the weather, it would be expected that the system be operating in economizer mode, with the dampers more open.
Return air damper: no obstructions
Yes
Addressed by Building Maintenance
AHU-3- Both return air dampers and outside air dampers appear to be mostly closed.
Mixing Plenum
Check OK Comments
Clean
No excess dirt, not used for storage
Yes
Addressed by Building Maintenance
All air handlings- mixing plenum needs thorough 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
Addressed by Building Maintenance
All air handling units-Only one set of filters installed. Should have both prefilters and final filters.
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
Addressed by Building Maintenance
EF-6 - Rattling.
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
Penthouse - Control panel access door open, closed while onsite.
Work Order Number(s)
208738
Issues found durring this assessment have been assigned to the above work order(s).