2.2 Mechanical Exhaust System Visual Form 1 of 1
Mechanical Exhaust System Identification:
Associated mechanical room: clean Y N dry_Y - N stored chemicals/refuse Y N
umpUUVUL
System Components ' Dust/ WTC . not present
[NOTE: if component not present (NP), not found (NF) or inaccessible (1) please Debris Dust
indicate in last column] Present? Present? I• not found
lnacce~ d
Exhaust air outlet: Location:
Accessible for inspection? Y ✓ N (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 ft t) No. locations inspected
Specify type (circle): fibrous Glass lined metal fibrous Mass board
flex-duct
w,o
— Accessible in-line fire dampers Est total qty No. locations inspected
— Accessible turning vanes Est. total qty - No. locations inspected
— Exhaust air grilles Est total qty No. locations inspected
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning
based on finding of WTC dust):
KEY: NP = NF = not found; I = inaccessible: U =
NYC-WTC-000117361
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000117361Source: NYC Law Department, mirrored locally
An HVAC inspection report from Cole Consulting Corporation dated February 13, 2003, recommending cleaning of units at 275 Greenwich Street due to WTC dust.