"2. The applicant started working for the respondent on28 April 1997 as a ground work operative. At the time the respondent employed approximately 30 workers. They were all engaged upon a variety of tasks connected with the work of pipe laying. At the time the applicant commenced work with the respondent the respondent had no employees. All the workers were self employed. The applicant commenced working alongside the other workers. Like them, he completed invoices showing the number of hours worked, where the work was undertaken and with the total amount claimed.
"In order to decide whether a person carries on business on his own account it is necessary to consider many different aspects of that person's work activity. This is not a mechanical exercise of running through items on a check list to see whether they are present in, or absent from, a given situation. The object of the exercise is to paint a picture from the accumulation of detail. The overall effect can only be appreciated by standing back from the detailed picture which has been painted, by viewing it from a distance and by making an informed, considered, qualitative appreciation of the whole. It is a matter of evaluation of the overall effect of the detail, which is not necessarily the same as the sum total of the individual details. Not all details are of equal weight or importance in any given situation. The details may also vary in importance from one situation to another ."