3.2.4. Maintenance and arrangement of the work site: Traffic lanes, passages and any work site in general shall:(a) be kept free of any obstacle and well-cleared;
(b) be kept free of all snow, ice, oil or grease;
(c) be sprinkled with sand or any other non-skid product in order to prevent slipping and falling;
(d) not be obstructed with equipment, tools or material;
(e) not be cluttered with waste products from a mechanical tool;
(f) be illuminated by natural or artificial lighting so as to provide the following lighting levels:i. 50 lux on traffic lanes and passages used by workers;
ii. 250 lux for rough work, such as casing, concrete pouring or carpentry;
iii. 550 lux for finishing work using a machine or tool, such as a circular saw, a nailing gun or a welding machine;
iv. 800 lux for precision mechanical work;
(g) have a minimum width of 600 mm between machines, installations or piles of materials or goods. This width shall be increased according to the danger present or the size of the parts to be handled;
(h) (paragraph revoked);
(i) have no opening at floor or roof level, unless the opening is surrounded by guard-rails or closed by a load resistant cover for any loads to which it may be subjected, but not less than 2.4 kN/m2. If the cover or guard-rails interfere with the carrying out of the work, the cover or the guard-rails may be removed and replaced, for the duration of the work, by installing a continuous barrier or trestles of a minimum height of 0.7 m, at a distance varying between 0.9 m and 1.2 m from the opening, or a warning line complying with the requirements in section 2.9.4.1.