Upper Roof Mechanical Exhaust Fan #4 For Each:
Outside air duct
Outside air duct
Blower assembly
Blower housing
100 linear feet exhaust air ducts
9 in-line fire dampers
9 exhaust air grilles
Upper Roof Mechanical Exhaust Fan #12 Louvers, grates, and/or screens
Upper Roof Mechanical Exhaust Fan #25 Outside air duct
Upper Roof Mechanical Exhaust Fan #26 Outside air damper(s)
Upper Roof Mechanical Exhaust Fan #28 Blower assembly
Upper Roof Mechanical Exhaust Fan #29 Blower housing
Upper Roof Mechanical Exhaust Fan #30 100 linear feet exhaust air ducts
9 in-line fire dampers
9 exhaust air grilles
Upper Roof Mechanical Exhaust Fan #16 Louvers, grates, and/or screens
Upper Roof Mechanical Exhaust Fan #17 Outside air duct
Outside air damper(s)
Blower assembly
Blower housing
9 in-line fire dampers
9 exhaust air grilles
Ground Floor Gym Area AC Serves lobby
filter rack
I return air plenum
I return air grille
Only found in the return intake, entire
system cleanin indicated
NYC-WTC 000117830
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000117830Source: NYC Law Department, mirrored locally