"supervision"

when used in relation to a survey and the field operations by any person registered as a professional surveyor, professional surveyor in training or technical surveyor in terms of the Professional and Technical Surveyors’ Act, 1984 (Act No. 40 of 1984), (in this definition

referred to as "an assistant"), means—

(a)

the personal presence of the land surveyor when existing beacons, corner points or other objects which must be surveyed are inspected and pointed out to an assistant, with such participation by the land surveyor during the reconnaissance as to ensure the sound determination of the beacons, corner points or other objects: Provided that the land surveyor shall not be compelled to be present or to participate when any such beacons, corner points or other objects which were previously connected to or based upon reference marks or trigonometrical stations are inspected by an assistant; and

(b)	adequate control by the land surveyor when beacons are placed and surveyed by an assistant;