RACA Journal January 2019 | Seite 48

Projects 1 (normally -10˚C to -20˚C in summer). During storms, the wind reaches speeds of 200km/h, making outdoor activities impossible. Furthermore, the base can only be reached during the Antarctic summer, which is from the beginning of December until the end of February. This meant that planning and access for the construction teams of the contractor, Nolitha, were limited to this summer ‘window’ of three months. CLIENT BRIEF 2 DPW’s brief for the refurbishment of the base required, inter alia, the following aspects. The base had to remain fully operational during the refurbishment process. The existing power, water, heating, and effluent systems could not be switched off for more than a day without seriously impacting on the day to day operations of the base (and risk freezing up). Also, it was crucial that the base remained operational to enable the Department of Environmental Affairs’ (DEA’s) scientific teams to continue with their research programmes. Energy-saving measures had to be implemented — this required that systems be designed using the latest available technology. The requirement for energy-saving measures is critical, as the transport of annual residence teams, 1. 2. 3. 4. New plant room – preparation of the floor. Some arctic humour … BEFORE: The original plant room – pipes and pumps. West loading platform in lowered position. 3 46 RACA Journal I January 2019 www.hvacronline.co.za