NYC 9/11 Public Portal Document
=52000
wuai tnspection form
ecnanical Exhaust System Identiñcation:
CHIMNEY STÄCK #4
Locatiga:
250 DOTHEND AFE-
TOP OF THE ROOF OF THE
GLEVATOR ROOM
Associated mechanical room: clean_
System Components
INOTE: if component not present (NP), not found (NF) or inaccessible (*) please
indicate im last column]
Exhaust air outlet:
Location:
Area Served:
PENTHOUSELA PENTHOUSE 1C
N
stored chemicals/refuse.
N
Surface
Dust/
Debris
Present?
WTC
Dust
Present?
Accessible for inspection? Y.
INACCESIBLE FOR INSPECTTON
(explain): A1R OUTLET MOCE THAN
204F = HEIGHT ABOUE THE 200F
-Iouvers, grates and/or screens
- outside air duct
- outside air damper(s)
Exhaust fan unit:
- blower assembły 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
Specify type (circle):
metal
No. locations inspected
fibrous siass lined metal. masonry fibrous glass board
flex-duct
wood
- Accessible in-line fire dampers
Est. totai qty
- Accessible turing vanes
Est. total qty
- Exhaust air grilles
Est. total gty.
No. locations inspected
No. locations inspected
No. locations inspected
Other (specify):
Other Iaformation:
Page 1 of 1
Component
• not preseat
• not found
• inaccessible
I
I
I
eneral impression (indicate recommendations for clearing based on finding of WTC dust):
Y: Nº = not present; NF = pot found; I= inaccessible; U = unknown
•
NYC-WTC_000135538
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000135538Source: NYC Law Department, mirrored locally