If there's one thing they teach you in Engineer School, its that you want to design your large-scale durable constructions to the narrowest tolerances possible and just assume nothing will ever meaningfully change over the next three lifetimes.
Design your infrastructure around the concept of it lasting 20 years and not a femtosecond more, and also only rebuild or maintain your infrastructure every 60 years.
10 years. Seriously, there used to be some law where geologists had to ensure that the ground houses were built on would be OK for a few decades. That guaruntee was reduced to merely a decade back in the 90's.
If there's one thing they teach you in Engineer School, its that you want to design your large-scale durable constructions to the narrowest tolerances possible and just assume nothing will ever meaningfully change over the next three lifetimes.
Design your infrastructure around the concept of it lasting 20 years and not a femtosecond more, and also only rebuild or maintain your infrastructure every 60 years.
10 years. Seriously, there used to be some law where geologists had to ensure that the ground houses were built on would be OK for a few decades. That guaruntee was reduced to merely a decade back in the 90's.
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