Registered Class 1, 2, and 3 Agencies
Class 1.
An agency registered as a Class 1 Special Inspection Agency for Special Inspection Category will be permitted to perform work associated with such Special Inspection category on any project. Accreditation is required for this class.
Class 2.
An agency registered as a Class 2 special inspection agency for a special inspection category will be permitted to perform the work associated with such special inspection category on any project, except those involving:
The construction of a new major building; The full demolition of a major building; The alteration of a major building including:
The removal of an entire story or more;
The partial demolition of twenty thousand (20,000) square feet or more gross area; or
The partial demolition of twenty (20) percent or more gross floor area.
The enlargement of a major building by more than ten thousand (10,000) square feet of gross floor area.
Major building defined in 2014 NYC BC Chapter 33, Section 3302: An existing or proposed building 10 or more stories or 125 feet or more in height, or an existing or proposed building with a building footprint of 100,000 square feet or more regardless of height, or an existing or proposed building so designated by the commissioner due to unique hazards associated with the construction or demolition of the structure.
Class 3.
An agency registered as a Class 3 special inspection agency for a special inspection category will be permitted to perform the work associated with this category on the following projects only:
The construction, demolition, or alteration of a one-, two-, or three-family dwelling; or
The alteration of any building, including partial demolition, of less than ten thousand (10,000) square feet of gross floor area in total.
Exception: The special inspection categories of underpinning, mechanical means and methods of demolition, and the protection of the sides of excavations greater than ten (10) feet in depth must be performed only by special inspection agencies registered as either class 1 or class 2 special inspection agencies for such categories.