Vertical safety netting shall consist of a vertical system of nets and their supports that meet requirements set forth in department rules. Vertical safety netting shall be of a fine mesh of a size and strength sufficient to contain falling tools and materials. Wall opening screens, grills or tarpaulins may be used in lieu of vertical safety netting, provided that they shall be of such construction and mounting as to retain debris.
On every story where vertical safety netting is required, it shall extend from the floor to a height of not less than 60 inches (1524 mm). Vertical safety nets and their components shall also meet the requirements set forth in rules promulgated by the commissioner.