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Weathering the winter with energy efficiency

06 June 2019 | Story Valentino Ndaba | Photo Rian Horn

Solar Panels at UFS Qwaqwa Campus — Revolutionising electricity with sun power: Solar panels at the Qwaqwa Campus.

Over the past few years the University of the Free State (UFS) has been planting panels, now the time has come to reap. Solar farms produced a return on investment in the form of R1.4 million in savings as a result of photovoltaics (PV) between January and March 2019. Nicolaas Esterhuysen, an electrical engineer at the Department of University Estates also reported a 2.34% decline in electricity usage between 2013 and 2018.

Solar panels are the future

According to Esterhuysen, the solution to a power crisis lies in “either becoming more energy efficient or generating our own at a cheaper cost”. All campuses have managed to save a total of R5.4 million in 2018 through producing our own power (solar PV) and actively managing the instantaneous load demand with building management system (BMS) software.

Overall, ground-mounted PV installations at all campuses contribute 2609 kilowattpeak (kWp) under standard conditions. The Bloemfontein Campus accounts for 979kWp of that amount while the South Campus generates 762kWp, with the Qwaqwa Campus producing 748kWp, and the Paradys experimental farm bringing in 120kWp to the grand total (to be commissioned June 2019).

Rooftop PVs generate electricity through the 80kWp Muller Potgieter Building, the 255kWp Bloemfontein Campus computer lab, the 35kWp Qwaqwa Campus computer lab, 135kWp Qwaqwa Campus Mandela Hall, and 416kWp Thakaneng Bridge panels. This is a total of 921kWp.

Winter is coming with tariff terrors

A 15.63% electricity tariff increase is projected this year in light of the annual winter adjustments commissioned by Eskom and Centlec. To gear up for the associated spike in power use over this season, University Estates advises the Kovsie community to use energy efficiently. “Think twice before switching on the heating and make sure to switch it off when you leave the office,” advises Esterhuysen.

In addition to generating electricity, saving initiatives such as implementing light-emitting diode (LED) lighting with motion sensors and actively managing demand at peak times have been implemented.

What’s next?

The next step is to rethink dated mechanical installations that are used to heat some of our older buildings. Replacing similar installations across all of the campuses are some of the ways the university intends to escalate energy efficient in future.

News Archive

“To interpret is more than the ability to have mastered two languages”

2014-03-27

It is equally unfair to the accused as the victim when an untrained court interpreter is used in a court case.

In South Africa there are currently a large percentage of interpreters employed by the Department of Justice without any formal training.

While interpreting is in reality a very complex subject, the general acceptance is that everybody who is able speak two languages or more can be an interpreter.

This perception harms interpreting as a profession, as it results in most institutions appointing any multilingual person as an interpreter.

In many cases people are used to interpret into and from their third or fourth language (of which Afrikaans is one). This leads to inaccuracy and the incorrect use of expressions and terminology. Specific cognitive processes also have to be developed and practiced.

The University of the Free State (UFS) has since 2008 trained approximately 200 court interpreters in South Africa. This training includes the theory of interpreting and practical exercises, as well as the development of terminology and a basic knowledge of the legal system in South Africa.

The training provided to court interpreters by the Unit for Language Management and Facilitation, is done in conjunction with the Department of Justice and Constitutional Development and SASSETA (Safety and Security).

Apart from Afrikaans, native speakers of all South African languages are included in the training.

Much attention (rightfully) are given to interpreters who can interpret between the nine African languages and (mostly) English, but in the process the development of interpreters between Afrikaans and English was neglected, as became apparent in the past two weeks during the Oscar Pistorius case.

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