Indoor Environmental Quality HVAC Assessment of Howard High School: March 1st, 2021 (HXHOHS2021000038)

School
Howard High School
Assessor
Hummy Khan
Date
Outdoor Temperature
48°F
Relative Humidity
79%
Outdoor Dew Point
41°F

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

Unit
Check OK Comments
Tag Number
Displayed
No
No tag numbers on a few exhaust fans and three large Trane split system rooftop units.
Status
Running
No
ACU-1 & AHU-3 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
No
AHU-6 and ACU-3 - Outside air dampers closed. ACU-2 & ACU-4-Outside air dampers less open when compared to other units.
Return air damper: no obstructions
Yes
Mixing Plenum
Check OK Comments
Clean
No excess dirt, not used for storage
No
ACU-4- Empty can of rust inhibitor stored in the mixing plenum. Removed it and threw it away while on site. OAAHU-2 - Hose stored inside mixing section.
Insulation
Secure and Clean
Yes
P-Trap (if present)
Charged with liquid
Yes
Filters and Coils
Check OK Comments
Filters
Free of any bypassing
No
AHU-5- Air bypass around filters.
Correct size
Yes
Free from excessive loading, dampness or odor
Yes
Not collapsed/not fallen off
No
Large Trane split system rooftop unit (No tag number) - In one unit the filter is bent and in another, one filter is collapsing.
Present (not missing)
Yes
Date and initials written
No
None of the filters have initials of the installing technician.
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
No
Three Trane large split system units (No tag number) - Condensing drain improperly terminated.
Fans and Motors
Check OK Comments
Condition
Operational
No
Exhaust fan EF-3, 10, 12 & 15 - Not working. Another large exhaust fan (no tag number) near mechanical penthouse - Not running.
No unusual odors, noise, or vibration
Yes
Central Plant
Check OK Comments
Chilled Water Central Plant
Chiller operational
Yes
Not operational due to heating season.
Cooling tower operational
Yes
Not operational due to heating season.
Heating Central Plant
Boiler operational
Yes
Portable(s)
Check OK Comments
Thermostat
Thermostat setting acceptable
No
Portable #120- Replace battery message displayed on thermostat. Portable # 52-Thermostat display blank. Rooms in Villa # V130, V131, V132, V133- Thermostats in alarm. Room #V131, V136, V137, V138 -Change filter message displayed on thermostat. Portable# 124-Cooling set point set at 72 deg instead of 74 deg.
Thermostat cover
No
Portable # 120- Lock missing from the front cover and tape used instead. Portable # 81, 121, 125, and rooms in Villa # V130, V131, V134 - Thermostat cover missing. Portable # 52 - Front cover missing, found it laying on a chair, reinstalled it while on site. Room #V136-(Villa) Thermostat cover has a hole and seems to have been vandalized.
Fan Mode Correct
Yes
Space Temperature Acceptable
No
Portable #121- Maintaining occupied set point of 70 deg while unoccupied.
Misc. Comments
Filters improperly stored in mechanical penthouse.
New packed ductless split system condensing unit sitting on roof and not installed.
Tarp placed underneath a valve in the mechanical penthouse to catch leaking water.

Work Order: 183485
Work Order Number(s)
183485
Issues found durring this assessment have been assigned to the above work order(s).