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Bazelgette shaped London. Have you been to the crossness engines after woolwich going east? The ornate bridges he designed. His sewer system is still working due to his dillgence and for-site. Nicked from wiki, who nicked it from a book about him When planning the network he took the densest population, gave every person the most generous allowance of sewage production and came up with a diameter of pipe needed. He then said 'Well, we're only going to do this once and there's always the unforeseen' and doubled the diameter to be used. His foresight allowed for the unforeseen increase in population density with the introduction of the tower block; with the original, smaller pipe diameter the sewer would have overflowed in the 1960s, rather than coping until the present day as it has.
@lynx
Fuckity fuck I didn't even think of doing this!! Argh.