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Options for risk mitigation schemes to mitigate a felt shaking causing nuisance, b non-structural damage incurring repair costs, and c structural damage that could pose a threat to the building occupants (Bommer et al. 2015a); the range of relative costs associated with each alternative are indicated ($: low; $$: medium: $$$: high), noting that abandoning a project that is operational is much higher than abandonment following a feasibility assessment
