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So I’ve spent this evening touring BT Dial House in Manchester. It’s a huge telephone exchange, and brings telephony and Internet access to Manchester. Wanna see some photos and nerd out with me? A thread ... #internet #telephony #infrastructure
This is just one of the marine diesel generators that live in the lowest basement. The site has its own dual redundant HV feed, and operate their own HV/LV transformer kit. They take ~600 litres of oil, and are regularly tested.
To power those, they need a load of fuel. There’s a tank like this for each generator, and they hold enough red diesel for 8 hours. An additional huge set of tanks sit behind which receive fuel deliveries from a tanker connection outside the building.
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