46. When workers are employed at workstations outdoors, such workstations must as far as possible be arranged so that workers—E+W+S
(a)are protected against inclement weather conditions and, if necessary, against falling objects;
(b)are not exposed to harmful noise levels;
(c)are able to leave their workstations swiftly in the event of danger or are able to be rapidly assisted; and
(d)cannot slip or fall.