N.Y.C. Admin. Code § 352.10: Section 352.10

Section 352.10 – Add new Sections 352.10(J) and 352.10(K) to read as follows:

(J) Buildings Not Exceeding 3 Stories. In any building or dwelling unit not exceeding 3 stories above grade.

(K) Buildings Exceeding 3 Stories. Unless prohibited elsewhere by other articles of this code; in any building exceeding 3 stories above grade where the PVC conduit is concealed within non-plenum walls, floors, or ceilings constructed with materials providing a listed 1-hour fire rated assembly or PVC conduit encased in concrete, minimum 2 inches (50.8 mm) thick.