NYC 9/11 Public Portal Document
L lviecnanical F xhaust Syste Visual Inspection Form 1 of 1
MA echaniml F.xh m t Svetem Trlentifiratinn-
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- 7L - iv
1. ii-_ E ,alsL- T
Loca 'on: Area! Served:,
't• isP. L) M _
Associated mechanical room: clean Y N dry Y
stored chemicals/refuse
N Y N
Surface Component
System Components Dust/ WTC . not present
[NOTE: if component not present (NP), not found (NF) or inaccessible (I) please Debris Dust . not found
indicate in last column] Present? Present? . inaccessible
Exhaust air outlet: Location:
Accessible for inspection? Y/ N (explain):
— louvers, grates and/or screens
— outside air duct y
— outside air damper(s) H
Exhaust fan unit:
— blower assembly incl. blower wheel, housing, air vanes; in-line noise attenuators h'
— blower housing acoustical lining is P.
— vibration collars
Exhaust air distribution:
— Exhaust air ducts Est. total In ft No. locations inspected
Specify type (circle): metal , fibrous glass lined metal masonry fibrous glass board
flex-duct wood y`
— 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 I No. locations inspected_j_ _/ n
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of WTC dust):
LL
KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC-000113898
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000113898Source: 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.