As­sess­ing the risk

Hamilton Metro News - - Fashion -

Coun­cil’s gen­eral man­ager com­mu­nity Lance Ver­voort said a new build­ing in­spec­tion process has been in­tro­duced over the past few years where an ini­tial seis­mic as­sess­ment is car­ried out by an en­gi­neer. That’s es­sen­tially a desk­top ex­er­cise that looks at build­ing plans and other key in­for­ma­tion be­fore the en­gi­neer pro­vides a grad­ing sys­tem. If it is over 33 per cent of new build stan­dard (NBS) it is clas­si­fied as an earth­quake risk. Build­ings un­der 33 per cent NBS are clas­si­fied as earth­quake prone which re­quires a de­tailed seis­mic as­sess­ment, with engi­neers as­sess­ing a num­ber of as­pects in­clud­ing core sam­ples, x-rays of the build­ing and pro­file based on the build­ing is likely to per­form in an earth­quake. There is no min­i­mum stan­dard un­der cur­rent leg­is­la­tion, how­ever build­ingswith an NBS rat­ing of less than 33 per cent mean build­ing own­ers have 10 years to bring them up to 33 per cent.

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