NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust S step. Visual Form
Mechaniaal Exhaust System Identification: Page 1 of 1
Cti,M1vF S74
Location: 1 i°P e THE D- of ea Served:
Associated mechanical room: clean Y ~N r _Y N stored chemicals/refuse Y N
System Components surface Component
[NOTE: if component not present (11'P), not found (NF} Dust/ WTC
or inaccessible (n please I Debris Dust
• not present
indicate in last column] • not found
I Present? Present?
Exhaust air outlet: Location' I • inaccessible
(1N q ec~ Sr St E RDR IN.rJt7'o
Accessible for inspection? Y N f/ e
(explain): #4-I,e O s roe r Af ' e - rfra.✓
r/ 2i =
— louvers, grates and/or screens
— outside .air duct
— outside air dampers) r
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 No. locations inspected
Specify type (circle): metal fibrous glass lined metal masonry fi
brous glass board
flex-duct 22d
— 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 = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC-000113939
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000113939Source: 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.