§ 33.54. Supervisors.

 (a)  The employer or someone competent, experienced and responsible whom he shall designate and who shall be on duty at all times when employes are working, shall be responsible for the safe performance of all work and for the safety of all employes.

 (b)  The employer shall not appoint any employe to a position of supervising other employes, unless the employe appointed is at least 21 years old and has at least 2 years of practical experience in the work which he is to supervise, or in lieu of the age and experience shall be a graduate or licensed engineer, and shall be able to read and write the English language, and be able to supervise the safe performance of all work under his direction. Persons meeting these qualifications will be considered certified by this Commonwealth.