
How do you go from 70% of NBS to 15%?
The Herald reports: Onslow College said the gym previously had a seismic rating of 70% of the NBS and O Block had a rating of 55%. … Gym (Block Q): An overall NBS rating of 15%, with the ceiling braces posing the greatest risk. I’m not an engineer but as a lay person I don’t […]
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