13. The minimum number of health and safety representatives designated in accordance with section 212.1 of the Act is as follows, according to the number of workers present on the construction site:(1) 100 to 199 workers: 1;
(2) 200 to 599 workers: 2;
(3) 600 to 899 workers: 3;
(4) 900 to 1,199 workers: 4; and
(5) 1,200 workers and more: 5.