NYC 9/11 Public Portal Document
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Ventilation System Identification:
Mti 0'
Location: at ,, STDI Ae ROOM Area Served: 1, 1tha
Mechanical room: clean Y N dry Y N stored chemicals/re se Y N
Access adequate for inspection of components: g
AHU interior surfaces are visibly accessible:
Dust/Dirt/Debris I _Suspect WT -Related Dust
Estimate % of total dust
loading
System Light Heavy
Component (<1/16 inch (2 1/16 inch Present?
System Components Substrate Material None depth) depth (YIN)
Outside air intake louvers, grates
and/or screens U Na N. ✓
Outside air duct
Outside air damper(s) t ✓
Return air grilles IN„ I,/
Return air plenum ,a
Return air plenum damper
Return air ducts g heèt. oL
Turning vanes
Mixing chambers
Filter rack(s) ~r'~ ' %e /
Filter banks/media r tr.s.ss V
Pre-heat coils e A vat ✓
Cooling coils
Re-heat coils
Humidification and/or air cleaning
equipment
Fire dampers
In-line re-heat coils
Acoustical blower housing lining Sl 7 j"d I& ✓
Duct connectors .5 ✓
Blower assembly including blower
wheel, blower housing, air vanes, in-
line noise attenuators, acoustical
treatments (e.g. baffles, duct linings) Sis i'wtflt4L ✓
Condensate drain pan
Condensate accumulator
Supply air plenum
Supply air plenum damper(s)
Supply air ducts sJeeT ti
-High pressure - main trunk
-Low pressure — branches
Supply plenum or supply duct
linings b ✓
Supply air duct damper(s)
Supply air diffusers
Terminal boxes
Open or ducted passive ventilation
shaft(s)
Other Information:
Unit cycled rior to inspection EP Color of Dust/D' ebris
Filter loading (general impression) It pI Water damage A jO e o e.dei
Filter bypass (describe) oo Visible suspect mold growth p e
Abraded/delaminated acoustical lining Evidence of animal incursion (carcasses, feathers, ecal
/'tet 4 matter) tJONE ol3SEGtw
NYC-WTC 000117570
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000117570Source: NYC Law Department, mirrored locally