NYC 9/11 Public Portal Document
HVAC INSPECTION/OBSERVATIONS
An inspection was conducted of the mechanical equipment room and associated SAVA-1006 C
TRANE HVAC unit located on the east side of the 5s' floor. This unit serves the east side of the
5"' floor. The following was noted:
Mechanical Equipment Room:
The mechanical equipment room was well lit, unpainted, clean, and contained no stored
materials.
The mechanical equipment room is used as a mixing plenum.
The pipes were not labeled or color-coded.
Air Mixinn Chamber:
• The doors closed tightly.
• The outside air intake was located at least 25 feet from any apparent source of contaminants
and was protected by a bird screen.
• Damper positions for outside air were open at minimum settings.
• Return air dampers were open at maximum settings.
• The filter bank was framed and contained 15% - 25% efficiency, box-type filters which were
in good condition and are replaced approximately every two months.
Coil Chamber:
• The coils were clean and well maintained.
• Condensate drip pans (CDPs) were clean, and there were no odors or signs of standing water,
condensate, and leaks.
Project: 220490
NYC-WTC 000105564
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