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Conclusions

Earthquake Analysis on Charleston's Seismically Vulnerable Schools

Potential casualties substantially decreased

The cost of replacement would have been more than the cost of mitigation by almost twice as much. The results of the pre and post analyses bears out the positive benefits of proactive mitigation

Charlie Kaufman

Mike Davis

Post Mitigation Analysis

Carolyn Scholl

Jerry Clark

Hazus-MH for Earthquake April 9-12, 2018

Magnitude 7 on the Historic 1886 Earthquake

Functionality on 4 Schools: 34.3%

Post Mitigation Analysis

Cost of Mitigation Vs. Replacement Cost

Magnitude 5.5 on the Historic 1886 Earthquake

Functionality on 4 Schools: 61%

Total Cost of Retrofit and Rebuild: $102.5 Million

Total Estimated Replacement Cost: $200 Million

Project Description

Team Awesome looked at 4 schools in the Charleston County School District that were seismically vulnerable or fragile. CCSD implemented mitigation measures and the Team ran analyses to determine the impact of mitigation on the Hazus model. An analysis was run on the schools as they were before the mitigation measures were implemented and after. Team Awesome also compared the cost of the implementation of mitigation measures versus the estimated cost of replacement of the original buildings

Pre-Mitigation Analysis

Magnitude 7 on the Historic 1886 Earthquake

Functionality on 4 Schools: 0%

Historical Background

Pre-Mitigation Analysis

Why these schools?

An Engineer was hired to analyze the structures and recommend effective mitigation measures

Mitigation

Measures

Implemented

Magnitude 5.5 on the Historic 1886 Earthquake

Functionality on 4 Schools: 23.5%

Two Schools Seismically Retrofitted

$58 Million

Two Schools Demolished and Re-Built

$44.5 Million

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