Zvamaida Murwira
Senior Reporter
ZESA Holdings has announced strategies aimed at curbing the vandalism of electrical infrastructure, with projected savings of over US$4,5 million.
The measures being implemented include enhancing security features on transformers, securing vulnerable components and changing materials used in infrastructure.
One of the main components of Zesa’s strategy involves arming each transformer with anti-intrusion gear designed to deter thieves and alert a rapid response security team.
Further, Zesa plans to implement various sealing techniques that involve tacking bolts and nuts, as well as closing and welding oil drain plugs.
All these steps are aimed at preventing unauthorised access and vandalism.
Zesa Enterprises managing director Dr Godfrey Mugaviri explained the surface level of theft and how a proactive approach is necessary.
“We will arm each transformer with anti-intrusion gear that scares thieves and alert reactionary security team,” he said.
“All the transformers will be tacked at top cover and drain plugs. We will also tack the bolt and nuts to avoid opening of the transformers.”
To further fortify the infrastructure, Zesa will employ methods such as caging transformers and ensuring that drain plugs are securely closed to prevent oil drainage.
In addition, one significant change involves a transition from using copper to aluminium in their electrical infrastructure.
Presently, there are approximately 32 000 distribution transformers scattered across the network.
Dr Mugaviri said there is need for complete replacement of copper conductors with aluminium conductors.
“Modern trends have seen aluminium strung power lines with practically the same efficiency as copper and at much less cost per kilometre,” he said.
To implement these measures effectively, Zesa will deploy specialised teams consisting of a welder and an assistant.
These teams will have specific targets to meet daily, in terms of securing transformers.
“The expected targets will translate to a total of about 252 points per day, 5 292 per month and 32 000 in approximately six months,” said Dr Mugaviri.
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