Jackal Creek Golf Estate in Roodepoort, Johannesburg, housing close to 2000 people according to the 2011 census, recently experienced temperature maintenance challenges in its water reticulation systems. Partnering with heat tracing specialist eltherm South Africa, property development group Montague Properties invested in an electrical heat tracing (EHT) solution to solve the problem.

Eltherm pic2 EHT

Following resident complaints that large volumes of water were wasted as it took a long time for it to heat to the right temperature, eltherm South Africa conducted an investigation. The company found that this was due to “dead legs”, where water sat in the pipes and cooled during the night or day.

Montague Properties commissioned eltherm South Africa to design and install an EHT solution that would mitigate the dead legs in the reticulation system. This was done by maintaining the water temperature coming from the boiler. The solution also allowed the developer to comply with building code SANS 10400 XA 10204, which stipulates that no more than four litres of water can be wasted before hot water reaches 60 degrees Celsius.

Giles maynardAccording to Giles Maynard, General Manager at eltherm South Africa, an EHT system offers a number of benefits to the plumbing and property development industries. These include the fact that it is simple and quick to install, significant water and energy savings, and lower overall operating costs (OPEX). EHT systems meet environmental requirements for greener building designs, and allow for metallic and non-metallic pipes to be heat traced. This results in lower maintenance costs as the heat tracing is very reliable and can be quickly repaired in the event of a failure.

“Montague Properties was looking for a solution that could be installed quickly and offer an alternative to a costly closed loop reticulation system. We proposed a self-regulating EHT system that would maintain the temperature of the hot water (in its plumbing system) at 60 degrees Celsius thereby overcoming any possible dead legs and ensuring the property group meet the requirements of the SANS 10400 XA 10204 building code while also saving on energy and water costs,” he says.

“The EHT solution at Jackal Creek Golf Estate was installed in under four weeks. The insulation involved fastening the electrical heat tracing onto the outside of the plumbing pipe lines and then insulating it with preformed over-the-counter insulation. Jackal Creek Golf Estate now benefits from a system that ensures temperature is maintained and no unnecessary water or energy is wasted.”


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