NYC 9/11 Public Portal Document
L-4 • n]ecttanical Exhaust System
Visual Inspection Form
Mechanical Exhaust System Identification: 1 of l
Location: - -- - I Area Served:
Associated mechanical room: clean Y N dry Y N stored chemicals!refuse Y
System Components Surface Component
(NOTE: if component not present (NP), not found %VTC I l:, not
(NF) or inaccessible (I) please Debris Dust
indicate in last colununj
Present?
I present
Present?
4 not
found
Exhaust air outlet: Location:
Accessible for inspection? '!' V N_ (explain):
louvers, $rates and/or screens .,
out,i a air duct
outside air damper(s)
I " :_______
Exhaust fan unit: N
blower assembly incl. blower wheel, housing, air vanes,
attenuators
in-line noise
. Y fV
blower housing acoustical lining
vibration collars
Exhaust air distribution:
Exhaust air ducts Est total In ft 1 No. locations
inspected_
Specify type (circle): metal fibrous class d line masonry fibrous glass board
em t
1es-duct wood rL/
/
r' c's5ibi.lil - lilt. th d itli•''.1'J EJi £% ii ' Ii N. kcaiivil3 inspected
Accessible turning vanes Est. tota l Qj
No. locations inspected Nn
Exhaust air grilles Est. total gty l{ No. locations inspected
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning
based on finding of «'TC dust):
I'U VJ i L é Ct
: NP a - not found, I = inaccessible• ft =
NYC-WTC 000134577
OCR can misread numbers and units. Confirm readings against the page image before using them.