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ENERGY MANAGEMENT


made with the guidance of the staff themselves. This shows that in order to become ‘green’ one must first fully engage and motivate the staff who are employed to maintain engineering systems and services. As for project time lines and review,


it has taken five years to fully implement, primarily due to financial constraints. The results of the project are reviewed by analysing the cost of coal and thus consumption on a monthly basis. The steam reticulation system is currently running at a rate of 76 per cent efficiency (see Figure 1).


Challenges and lessons learned The project to improve the condition of the steam reticulation system at Groote Schuur Hospital took five years to complete from inception to completion, but it progressed at a reasonably smooth pace. The main challenge was and always will be supply chain or procurement. The local government of the Western Cape of South Africa has very strict rules governing the procurement of goods and services in order to limit the possibility of fruitless or wasteful expenditure. The supply chain challenge constantly loomed in the background threatening to slow or stop progress, which meant that


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Figure 1. Coal consumption at Groote Schuur Hospital (2011-2016). Number of years


ways to keep more sub tasks in-house were devised. Keeping most of the projects in-house allowed for the technological development of the staff involved. Allowing for their own development, motivation and morale to improve and as a direct result of this personal staff development, seven have now qualified as full artisans.


Next steps As the revitalisation of the steam reticulation system at Groote Schuur


Hospital was a finite project that required a limited number of sub projects to be completed, further steps to improve the infrastructure of the system will be limited to routine maintenance. We will continue to tweak the system in order to gain the absolute peak of efficiency in steam consumption, thus continuing to reduce our carbon foot print year after year. The hospital will also be spending far less money on fuel as well as on the maintenance of the steam installation and steam generation plant.


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IFHE


IFHEDigest Providing insights into the vast field of healthcare engineering and facility management IFHE DIGEST 2018 37


Amount of coal burnt (tonnes)


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