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04 damage assessment methodology
1. Damage Assessment Methodology An Overview Prof. Ravi Sinha Indian Institute of Technology Bombay Seminar on Loss and Damage Assessment Methodologies, Ahmedabad, April 21, 2005 Damage and Loss Assessment Methodology Developed by Asian Disasters Preparedness Centre Centre for Environmental Planning and Technology Indian Institute of Technology Bombay
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9. Approximate Equivalence Between Existing Damage Scales for Buildings Damage Control Collapse Limit State (Grade 5) Major Partial Collapse 100 Red Tag Near Collapse 90 Grade 4 Limited Safety Extensive Damage 80 Heavy 70 Life Safety 60 Yellow Tag Moderate Grade 3 Moderate Damage 50 40 30 Light Grade 2 20 Green Tag Slight Grade 1 Immediate Occupancy Slight Damage 10 No-Damage Limit State (Grade 0) 0 ATC-20 ATC-13 EMS-98 / MSK-64 FEMA-273 HAZUS-99 Damage Level (%)
10. Approximate Equivalence Between Existing Damage Scales for Buildings Damage Control Collapse Limit State Major Partial Collapse 100 Red Tag Near Collapse 90 Grade 4 Limited Safety Extensive Damage 80 Heavy 70 Life Safety 60 Yellow Tag Moderate Grade 3 Moderate Damage 50 40 30 Light Grade 2 20 Green Tag Slight Grade 1 Immediate Occupancy Slight Damage 10 No Damage Limit State 0 ATC-20 ATC-13 EMS-98 / MSK-64 FEMA-273 HAZUS-99 Damage Level (%) Intended for rapid safety assessment
11. Approximate Equivalence Between Existing Damage Scales for Buildings Damage Control Collapse Limit State Major Partial Collapse 100 Red Tag Near Collapse 90 Grade 4 Limited Safety Extensive Damage 80 Heavy 70 Life Safety 60 Yellow Tag Moderate Grade 3 Moderate Damage 50 40 30 Light Grade 2 20 Green Tag Slight Grade 1 Immediate Occupancy Slight Damage 10 No Damage Limit State 0 ATC-20 ATC-13 EMS-98 / MSK-64 FEMA-273 HAZUS-99 Damage Level (%) Intended for estimating Value of damage
12. Approximate Equivalence Between Existing Damage Scales for Buildings Damage Control Collapse Limit State Major Partial Collapse 100 Red Tag Near Collapse 90 Grade 4 Limited Safety Extensive Damage 80 Heavy 70 Life Safety 60 Yellow Tag Moderate Grade 3 Moderate Damage 50 40 30 Light Grade 2 20 Green Tag Slight Grade 1 Immediate Occupancy Slight Damage 10 No Damage Limit State 0 ATC-20 ATC-13 EMS-98 / MSK-64 FEMA-273 HAZUS-99 Damage Level (%) Intended for earthquake intensity estimation
13. Approximate Equivalence Between Existing Damage Scales for Buildings Multiple methods are required to satisfy overlapping objectives Damage Control Collapse Limit State Major Partial Collapse 100 Red Tag Near Collapse 90 Grade 4 Limited Safety Extensive Damage 80 Heavy 70 Life Safety 60 Yellow Tag Moderate Grade 3 Moderate Damage 50 40 30 Light Grade 2 20 Green Tag Slight Grade 1 Immediate Occupancy Slight Damage 10 No Damage Limit State 0 ATC-20 ATC-13 EMS-98 / MSK-64 FEMA-273 HAZUS-99 Damage Level (%)
![Context of Damage Assessment ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)