16. Daily and weekly hours of work.

(i) The total number of hours of work (including overtime), in any day shall not exceed twelve;
(ii) The spread over, inclusive of intervals of rest, shall not exceed thirteen hours in any one day;
(iii) The total number of hours of work in any week, including overtime, shall not exceed sixty two;
(iv) No employee shall be allowed to work overtime, for more than seven days at a stretch and the total number of hours of overtime work in any month shall not exceed fifty hours.