Plumbing Africa April 2018 | Page 41

PROJECT 39 << Continued from page 37 2 4 5 7 8 3 1 Heat pumps are designed to move thermal energy in the opposite direction of spontaneous heat transfer by absorbing heat from a cold space and releasing it to a warmer one. A heat pump uses a small amount of external power to accomplish the work of transferring energy from the heat source to the heat sink. 6 9 1. 2. 3. 4. The project also has a sustainability aspect in the form of the Calcamite Bio-Mite septic tanks. The load on the municipal sewer system is removed, generating less waste from the building overall. PROJECT CHALLENGES As with any other project, challenges are to be expected. Being an existing building, the castle presented huge challenges in terms of plumbing. GDM spent an entire month investigating the existing infrastructure to determine the operation thereof and what needed to www.plumbingafrica.co.za 5. 6. 7. 8. 9. Kwikot heat pumps installed during construction. Geberit built-in toilet cisterns installed during construction. Calcamite Bio-Mite tank before being installed below ground. The 80mm galvanised water pipeline installation. Typical valve arrangement consisting of shut-off valves, Y-strainer, and pressure-reducing valves. Grundfos pump unit with 80 000ℓ reservoir. Sewer septic sump pump control panel. Typical toilet duct with vent to atmosphere. Calcamite Bio-Mite tank after being installed below ground. Continued on page 40 >> April 2018 Volume 24 I Number 2