Indoor Environmental Quality HVAC Assessment of Bollman Bridge Elementary School: February 7th, 2023 (HXBBES20230000BC)

Assessor
Hummy Khan
Date
Outdoor Temperature
35°F
Relative Humidity
77%
Outdoor Dew Point
29°F

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

Unit
Check OK Comments
Tag Number
Displayed
Yes
Work Order Closed by Building Maintenance
No tag numbers on any exhaust fans (repeat finding).
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
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
Correct size
Yes
Free from excessive loading, dampness or odor
Yes
Not collapsed/not fallen off
Yes
Work Order Closed by Building Maintenance
RTU-1 - One filter fallen off, reinstalled while on site.
Present (not missing)
Yes
Work Order Closed by Building Maintenance
RTU-3-Only pre-filters installed, final filters missing.
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
Turned off due to heating season
Heating Central Plant
Boiler operational
Yes
Portable(s)
Check OK Comments
Thermostat
Thermostat setting acceptable
Yes
Thermostat cover
Yes
Work Order Closed by Building Maintenance
Portable Villa 216 with multiple classrooms-In all classrooms either the entire thermostat guards are missing or the front covers of the guards are missing, see below. 1. Classrooms 216-1, 216-4 and 216-5 Thermostat front cover missing. 2. Classroom 216-2 and 216-3-thermostat guard missing. Portable#183-Thermostat cover guard missing and laying on a chair on the side. Per the teacher, some of the furniture pushed against the wall knocked off the guard from the wall. Needs to be reinstalled by the Maintenance Dept.
Fan Mode Correct
Yes
Space Temperature Acceptable
Yes
Work Order Number(s)
271613
Issues found durring this assessment have been assigned to the above work order(s).