NYC 9/11 Public Portal Document
• 2.2 Mechanical Exhaust System Visual Inspection Form Page 1 of 1
Mechanical Exhaust System Identification:
Location: Area Serve.
•
Associated mechanical room: clean ✓Y N dry Y N
stored chemicals/refuse Y N
System Components Surface Component
Dust/ WTC • not present
[NOTE: if component not present (NP), not found (NF) or inaccessible (1) please Debris Dust
indicate in last column] •not found
Present? Present? •
Exhaust air outlet: Inaccessible
Location:
Accessible for inspection? Y N V (explain):
— louvers, grates and/or screens
— outside air duct
— outside air damper(s)
Exhaust fan unit:
— blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators
— blower housing acoustical lining
— vibration collars
Exhaust air distribution:
— Exhaust air ducts Est total in fl ISO No. locations inspected
Specify type (circle): 2etaj fibrous glass lined metal masoy fibrous
glass board
flex4c w
— Accessible in-line fire dampers Est total qty No. locations inspected
— Accessible turning vanes Est. total qty I___ No. locations inspected
—Exhaust air grilles Est. total gty l No. locations inspected a
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning
based on finding of WTC dust):
-- 14 tts)O LAChe-, oS'( )zsc /L17. ifJT4tt 540L
?J6 t'1TC, t$7 VJA S o79$ `D
O C.!- r t3€1 !S ^ .D MOST.
J` C.1?6 LA1t
1 KEY: NP = not present; NF - not found; I =
inaccessible; U = unknown
NYC-WTC-000135531
OCR can misread numbers and units. Confirm readings against the page image before using them.