Indoor Environmental Quality HVAC Assessment of Cedar Lane School: November 2nd, 2021 (HXXCLS2021000053)

Assessor
Hummy Khan
Date
Outdoor Temperature
48°F
Relative Humidity
72%
Outdoor Dew Point
39°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 numbers on any exhaust fans. This has been reported multiple times as part of previous inspections findings.
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
Yes
No debris
Yes
Dampers
Outside air damper: no obstructions
Yes
Addressed by Building Maintenance
Lot of inconsistency on the position of the outside air dampers (OADs) from one rooftop unit (RTU) to the other. On some RTUs, for example RAHU-1-8 the OADs appeared to be fully open but on other units for example RAHU-1-11 they are lot less open.
Return air damper: no obstructions
Yes
Mixing Plenum
Check OK Comments
Clean
No excess dirt, not used for storage
Yes
Addressed by Building Maintenance
RAHU-1-9- refrigerant bottles stored in the mixing plenum.
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
Addressed by Building Maintenance
RAHU-1-11- No installation dates or name initials of installing technician. No installation dates on few other RTUs.
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
Addressed by Building Maintenance
Condensate drains improperly terminated on all rooftop units. This has been reported multiple times as part of previous inspections findings.
Fans and Motors
Check OK Comments
Condition
Operational
Yes
Addressed by Building Maintenance
One exhaust fans near RAHU-1-7 not running.
No unusual odors, noise, or vibration
Yes
Central Plant
Check OK Comments
Chilled Water Central Plant
Chiller operational
Yes
Heating Central Plant
Boiler operational
Yes
Work Order Number(s)
213304
Issues found durring this assessment have been assigned to the above work order(s).