TR-8 Dampers Integral to Building Envelope

1RCNY IB2
Not less than 20% of installed automatic or gravity dampers, and a minimum of one of each type, shall be visually inspected and physically tested for proper operation. 

1RCNY IIB2
Dampers for stair and elevator shaft vents and other outdoor air intakes and exhaust openings integral to the building envelope shall be visually inspected to verify that such dampers, except where permitted to be gravity dampers, comply with approved construction drawings. 
Manufacturer’s literature shall be reviewed to verify that the product has been tested and found to meet the standard.