04 team presentation

8/8/2019 04 Team Presentation

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The Largest Peacetime Disaster in South Korean History

Sampoong Department Store

Collapse


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Overview of the IncidentLocation: Seocho-gu district of Seoul, South Korea

Date: June 29, 1995

Incident Summary:

Manager was instructed to investigate noises coming from rooftop

Managerdiscovered cracks on rooftop caused by removal of A/C units two years

prior

Two hours later, manager was called to restaurant on 5th floor to assess cracks aroundColumn 5E

Managerinstructed employees to keep the issue classified

Around 12:00 PM, employees on the 5th floor heard noises and the building

underwent mildvibrations.

By 4:00 PM, the cracks in the restaurant had widened to

fourinches

Structural engineer recommended the store be closed but

management opposed.

At 5:40 and 5:47 PM, loud bangs were heard from above

At 5:52 PM, a shockwave rocked the building and the

5-storey building collapsed with 1500 people trappedinside


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Event Tree


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Fault

Tree


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Immediate & Basic CausesImmediate Cause

Determined through examination of evidence:

Structural degradation of Column 5E

Basic Causes

Determined through a fault tree analysis:

No engineering analysis was applied

Management prioritized profit over safety

Poor management change was utilized

Contractors opinions were not respected

Note: the basic causes were decided based on

areas where management failed to meet the

13 elements of a typical safety and risk

management program (refer toAppendix F

of Incident Investigation Report)

Top: Cracks on the roof from moving A/C units

Bottom: Structural failure at the base of the column


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LossesPeople - Injury anddeath of many company employees, contractors, visitors,

and public in close proximity to the site at the time ofcollapse; 501 people died and 937 were injured.

- Short and long-term suffering to victims and families

Environment - Damage to public & neighbouring property

Assets - All assets (e.g. furniture, equ

ipment, pro

ducts, etc.) were

destroye

d

- The building itself was demolished beyond repair

Production - Complete loss of production due to

desire forincreased sales

Sustainability - The Sampoong Department Store has

no sustainable future (i.e. No assets or

capital to work with and extremely

negative public relationships.


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RecommendationsLong-Term

Implement overall safety & loss management program

Implement company policy statement on safety & loss management

Implement a safety culture

Form team to ensure adherence to all safety policies

Perform regular safety inspections during construction and operation

Respect opinions of hired contractors & engineers

Ensure that hired management and employees are responsible &

competent

Conduct risk analyses when confronted with possible hazards

Create and test evacuation plan

Short-Term Any changes made to design during and after building construction must not

jeopardize the integrity of building and must adhere to standards

All materials used for construction of the building must adhere to standards

Perform risk analysis if any changes are to be made to structure after completion

Perform risk analysis upon sight of any structural degradation


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References1) Sampoong Department Store Collapse. (2010, October 6). Received from Wikipedia:

http://en.wikipedia.org/wiki/Sampoong_Department_Store_collapse

2) Wilson, L., McCutcheon, D. (2003). Industrial Health, Safety and Risk Management The Integrated

Approach. In Industrial Safety and Risk Management(Chapter 1). Retrieved from

http://books.google.ca/books?id=_Rr_BRvp30EC&lpg=PA5&ots=fNcOnZE8My&dq=peap%20people

%20environment%20assets%20production&pg=PA6#v=onepage&q&f=false

3) Oshiro-Momohara, A., Watanabe, B., Miyahara, R. Sampoong Department Store Collapse [PDF

Document]. Retrieved from http://students.seattleu.edu/watanab5/web/Sampoong%20Powerpoint.ppt

4) National Geographic. (2006). Seconds from Disaster Superstore Collapse. United States: National

Geographic Society and Darlow Smithson Productions. Retrieved from: previously published

information in the public domain.

5) Sampoong Department Store Collapse. (2010, October 16). Wikipedia. RetrievedOctober 19, 2010,

from http://en.wikipedia.org/wiki/Sampoong#investigation

6) Winkel, G. (2010). Faculty of Engineering ENGG 404 Engineering Safety and Risk Management

Fall Term 2010 . University of Alberta, Custom Courseware.

7) Gardner, N.J., Huh, J., Chung, L. (2002).Lessons from the Sampoong Department Store Collapse.

Cement and Concrete Composites 24 (2002) 523-529.

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