Section 45.11. Mechanical power transmission and machine layout

(a) Transmission basements. All mechanical power transmission equipment located in transmission basements shall either be guarded in accordance with Chapter 29, Subchapter B (relating to mechanical power transmission apparatus), or the basement shall be locked when the machinery is in motion and access had only upon application to the superintendent or foreman.

(b) Set screws. All set screws shall be flush or enclosed, regardless of the plan adopted to comply with subsection (a).

(c) Adequate aisle space. Machines shall be located so that each operator has sufficient space in which to handle the material with the least possible interference with other workmen or machines. Aisles of sufficient width to permit the passing of trucks and workmen without crowding shall be maintained in all working places and stock rooms.

(d) Foundation. All machines, except portable types, shall be firmly secured to a substantial floor or foundation. If practicable heavy duty machines shall be located on the ground floor.

(e) Lighting. Where natural lighting is the main source of illumination, machines shall be arranged so as to conform, as far as possible, to the requirements of Chapter 27 (relating to lighting). All artificial illumination shall comply with the requirements of Chapter 27.