Professional plumbing services 365 days, 24 hours. Cape Town, South Africa. Founded by David Olivier who has traveled the world in search of better business practice and ways of conducting superior plumbing service, he has also served as Chairman for The Institute Of Plumbing South Africa. Aqua Tech Plumbing is a level 4 BEE company and services Domestic, Commercial, Industrial, Government & Marine sectors. There is no plumbing work which Aqua Tech will not conduct large or small.