8th International i-Rec Conference Department of Civil and Environmental Engineering Suitability of Different Decision-Making Method Applied for the Sustainable Post-Disaster Temporary Housing Analysing S. M. Amin Hosseinia, Oriol Ponsb, Albert de la Fuentea a Department of Civil and Environmental Engineering, UPC, Barcelona, Spain b Department of Architectural Technology, UPC, Barcelona, Spain S. M. Amin Hosseini Postdoctoral researcher at UPC Oriol Pons Lecturer Professor at UPC Tacloban city, Leyte province, Philippines-12/25/2013 - Source: AFP/ Ted Aljibe Toronto, June 2017 Albert de La Fuente Associate Professor at UPC Natural Disaster Statistics 8th International i-Rec Conference ate of the Art Number of people reported affected Number of disasters reported Number of people reported killed Natural Disaster Summery 1900-2011 March 12, 2011 after Friday’s catastrophic earthquake and tsunami.AP Photo/ Asahi Shimbun Natural Hazards Human Actions Introduction Case study DecisionMaking Discussion Conclusion Man-Made impacts Natural Disaster Source: http://www.emdat.be According to Global Estimates 2014, 22 million people lost their homes to natural disasters in 2013. According to UNHCR (2015), total displaced population reached almost sixty million by 2014, eight million more than last year. Suitability of Different Decision-Making Method for the Sustainable Temporary Housing 2 Temporary Housing 8th International i-Rec Conference In these areas TH is the first priority phase for the government (Hidayat 2010). because TH offers security and safety to Displaced People (DP) so they can return the pre-disaster conditions (Collins et al. 2010; Johnson 2007). Introduction Case study DecisionMaking Discussion Conclusion Suitability of Different Decision-Making Method for the Sustainable Temporary Housing 3 8th International i-Rec Conference Displaced Population Protracted displacement following disasters worldwide in 2014/2015 16,000 230,000 39,200 13,000 Introduction Case study DecisionMaking Discussion Conclusion Suitability of Different Decision-Making Method for the Sustainable Temporary Housing 4 Temporary Housing Units 8th International i-Rec Conference Why were decision-makers forced to choose temporary housing units? Available Accommodations USA 2005 Not Available China 2008 Turkey 1999, 2011 Japan 1995, 2011 Sustainability What are the main problems of Post-disaster housing? Mexico 1985 Economic Iran 2003, 2012 Social New Zealand 2011 Indonesia 2004 Environmental High Demand Displaced Population Pressure Lack of Other Options Climate Condition Avoiding the Mass Exodus of Population Introduction Case study DecisionMaking Discussion Conclusion Suitability of Different Decision-Making Method for the Sustainable Temporary Housing 5 Temporary Housing Units 8th International i-Rec Conference Why were decision-makers forced to choose temporary housing units? USA 2005 China 2008 Turkey 1999, 2011 Japan 1995, 2011 Mexico 1985 Iran 2003, 2012 New Zealand 2011 Indonesia 2004 Natural hazards cannot be eliminated. Temporary housing is required. Temporary Housing Assessment Introduction Case study Temporary housing has negative impacts. DecisionMaking Discussion Conclusion Suitability of Different Decision-Making Method for the Sustainable Temporary Housing 6 Temporary Housing Characteristics 8th International i-Rec Conference What is the strategy of emergency managers to deal with the mentioned problems? Rejection Or Other Alternatives Acceptance Yes Available Minimize Negative Effects Forced Negative Effects Perfect Results (It should be assessed) Reality No ? Real Cases Nothing What happens if displaced population does not receive suitable temporary housing? Introduction Case study Displaced population provide low-quality shelters for themselves as temporary housing (e.g., the Colombian recovery program after the Armenia earthquake, 1999 (Johnson et al. 2006)). Source : http://saint-germains-children.org DecisionMaking Discussion Conclusion Suitability of Different Decision-Making Method for the Sustainable Temporary Housing 7 Temporary Housing Assessment 8th International i-Rec Conference What is the problem of decision-making processes? Simon (1996) stated that dealing with complex emergency situations cannot rely only on decision-makers due to the bounded rationality. Lizarralde & Davidson (2006) stated that PDH strategies often fail to address the displaced poeple expectations. A suitable strategy embraces intertwined interior and exterior factors that could have antithetical impacts on each particular case (Hall, 1962). Kapucu & Garayev (2011) stated that traditional decision-making approaches cannot be used in emergencies, which need flexible tools. Introduction Case study DecisionMaking Discussion Conclusion Thus, to determine a suitable strategy needs a decision-making model with the capacity to deal with this complicated multifaceted process. Suitability of Different Decision-Making Method for the Sustainable Temporary Housing 8 8th International i-Rec Conference Objective The main objective of this research is to present a suitable decision-making tool to deal with PDHs by defining the features of decision-making of PDH and considering the tools, which could be applied in this case. Questions Which are the main requirements for the decision-making process to deal with post-disaster temporary housing? Introduction Case study DecisionMaking Discussion Conclusion Which tool is the most suitable one for choosing the post-disaster temporary housing stratrgy focusing on the aforementioned main requirements? Suitability of Different Decision-Making Method for the Sustainable Temporary Housing 9 8th International i-Rec Conference Methodology DecisionMaking Models DecisionMaking Models Features Literature Review Problem Definition Emergency Management Characteristics Emergency Management Requirement Dividing Problem Case Study Suitable DecisionMaking Tool Experts Introduction Case study DecisionMaking Discussion Conclusion Solution Suitability of Different Decision-Making Method for the Sustainable Temporary Housing 10 Case Study 8th International i-Rec Conference Turkey-1999 Iran-2003 Indonesia-2004 USA-2005 Italy-2009 Introduction Case study DecisionMaking Discussion Conclusion Suitability of Different Decision-Making Method for the Sustainable Temporary Housing 11 Case Study 8th International i-Rec Conference Turkey-1999 Iran-2003 Indonesia-2004 USA-2005 Italy-2009 Introduction Case study DecisionMaking Discussion Conclusion Suitability of Different Decision-Making Method for the Sustainable Temporary Housing 12 8th International i-Rec Conference Case Study Turkey-1999 The main common problems of the five cases Late Delivery Mismatching with Local Culture Inappropriate Organization Strategy Dealing with Tenants Displaced People Dissatisfaction Displaced People Characteristics Natural Hazards Impacts Local Conditions Local Potentials Long-term Consideration Iran-2003 Indonesia-2004 USA-2005 Italy-2009 Introduction Case study DecisionMaking Discussion Conclusion Suitability of Different Decision-Making Method for the Sustainable Temporary Housing 13 8th International i-Rec Conference Case Study Turkey-1999 Properties group, which embraces all material and immaterial things that have formed characteristics of the affected area, such as financial powers, technology, facilities, features of population, climate conditions, etc. Iran-2003 Fig. Three main factors of decision-making process Belongings Attributes Environmental Technical Requirements vertex, which consists of many diverse physical and psychological aspects, takes into account all essentials for returning the post-disaster situations to the pre-disaster or better situations, especially in terms of displaced people. Introduction Case study DecisionMaking Discussion Conclusion Limitations group, which embraces all factors that cause difficulties and restrict to arrive to the solutions and achieve suitable requirements, such as timing, number of DP, natural hazard types and effects, etc. Indonesia-2004 USA-2005 Italy-2009 Suitability of Different Decision-Making Method for the Sustainable Temporary Housing 14 Case Study 8th International i-Rec Conference Turkey-1999 Different indicators with diverse interactions were involved in the studied cases. Furthermore, the importance of indicators can vary from case to case based on natural disasters types and scales, local characteristics, and resiliency. It is difficult to guarantee that the PDH program that has been useful for one case will be suitable for another case with different conditions. The recovery program of five cases varied based on the local characteristics and resiliency. Additionally, it is required to consider short- and long-terms indicators for each case. Iran-2003 Indonesia-2004 USA-2005 Italy-2009 Introduction Case study DecisionMaking Discussion Conclusion Suitability of Different Decision-Making Method for the Sustainable Temporary Housing 15 Decision-Making Model 8th International i-Rec Conference A generic decision model for PDH (Peng et al. 2014), a decision process for secure site location (Hale & Moberg, 2005), selection of fixed seismic shelters by the Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) (Chua & Su 2012), considering earthquake evacuation capacity by Analytic Hierarchy Process (AHP) (Ma at al. 2011), settlement suitability by geographical information system (GIS) (Alparslan at al. 2008), earthquake refugee shelters by combination of GIS and entropy methods (Li et al. 2013), analysing the sustainable site selection and decision-making methods by GIS and multi-attribute decision making (MADM) (Omidvar et al. 2013), urban shelter locations based on covering models (Wei et al. 2012), selecting suitable site location of TH by the MIVES (Hosseini et al. 2016b), TH technology aftermath of Bam earthquake by the MIVES (Hosseini et al. 2016a), hierarchical location models for earthquake-shelter planning (Chen et al. 2013), selecting site of temporary sheltering using Fuzzy algorithms (Nojavan & Omidvar 2013), optimizing PDH allocation (El-Anwar et al. 2009a), and optimizing TH assignments to minimize displacement distance (El-Anwar & Chen 2012). TOPSIS Fuzzy Site Selection AHP SAW Temporary Housing Selection GIS MIVES Previous Studies Introduction Case study ELECTRE DecisionMaking Discussion Conclusion Suitability of Different Decision-Making Method for the Sustainable Temporary Housing 16 Decision-Making Model Method AHP TOPSIS MIVES ELECTRE SAW Fuzzy Theory 8th International i-Rec Conference Main Characteristic experts’ knowledge, priority theory, hierarchical structure analysis, flexible, ranking irregularities, pairwise comparison, rank reversal tendency of monotonically increasing or decreasing utility, shortest distance from the positive ideal and farthest from negative one, alternative ranking method, widely applied method, difficult to weight value function based on the utility theory, experts’ knowledge, alternative ranking and selection method, sustainability assessment tool, easy to understand, a combination of techniques, requirements tree alternative selection method, time consuming, outranking relations, coordination indices, alternatives pairwise comparison, different outputs from other methods almost simplest and oldest method, popular to practitioners, intuitive, sometimes illogical results widely applied method, ability of imprecise input and insufficient information, difficult, time consuming Introduction Case study DecisionMaking Discussion Conclusion Suitability of Different Decision-Making Method for the Sustainable Temporary Housing 17 Decision-Making Model 8th International i-Rec Conference The characteristics of post-disaster temporary housing decision-making processes Customizable Approach Two Diverse Systems Multifaceted issue Life Cycle Diverse Stakeholders Quality Introduction Case study DecisionMaking Discussion Conclusion Suitability of Different Decision-Making Method for the Sustainable Temporary Housing 18 Decision-Making Model 8th International i-Rec Conference Which is the most suitable method to assess the post-disaster housing sustainability focusing on the aforementioned main requirements? Analysis of Case Studies AHP TOPSIS SAW Fuzzy MIVES ELECTRE Almost all compensation methods could be risky for decision-making on recovery program issues because it is possible to choose an alternative with ineligible features. Indicator-Weighting System Utility Theory Introduction Case study MIVES Method DecisionMaking Discussion Conclusion Suitability of Different Decision-Making Method for the Sustainable Temporary Housing 19 8th International i-Rec Conference MIVES S-Shape The integrated value Model for Sustainable Assessment from the Spanish Concave (MIVES) consists of a multi-criteria decision-making method that V(Xi) incorporates the concept of value function. 1 Lineal Convex 0 Indicator Xmin % Xmax Indicator Criterion Requirement AHP Introduction Case study DecisionMaking Discussion Conclusion Shannon’s Entropy Suitability of Different Decision-Making Method for the Sustainable Temporary Housing 20 8th International i-Rec Conference Conclusions The assessment of the cases with diverse characteristics in terms of financial power, social levels, and natural hazards confirms that almost all decision process had considerable problems to arrive the solutions. To make a proper decision it is required to detect problems, define possible responses, determine all characteristics of responses based on different conditions without prejudice. Case Study Decision Decision MIVES The assigned weights by different techniques had considerable impacts on choosing optimal alternatives for TH. it is required to consider stakeholders concerns about priorities of indicators by involving all experts in this process. MIVES , which includes the value function concept based on the utilities theory, permits all stakeholders to participate in the decision-making process. Suitability of Different Decision-Making Method for the Sustainable Temporary Housing 21 Thanks for Your Attentions Suitability of Different Decision-Making Method Applied for the Sustainable Post-Disaster Temporary Housing Analysing S. M. Amin Hosseini, Oriol Pons, Albert de la Fuente Toronto, June 2017 [email protected] Integrated Approach Fig 3.4. The choice phases of PDA including the elements and connections Choice Phases 23 Integrated Approach Main Vertexes Local Characteristics Post-disaster Housing Properties Natural Disaster Findings The temporary housing stage cannot be concealed. The elements can lead to antithetical effects. Choice Phases Decision-making Algorithm 24 Conclusions Future Perspective Ongoing Research Combination of MIVES and GIS to determine initial stages site locations. Combination of MIVES and knapsack to consider suitable distribution of displaced population in rental units. Continuous Research Line Analysing the Analysing the decision- Analysing the suitability of making models, impacts of shape, conventional especially weight form, and area of residential buildings assignment system to temporary housing based on the core- increase adaptability units on housing concept of models to this issue. sustainability index. 25 Annex 26 Sustainability in the Post-Disaster Temporary Housing Management for Urban Areas Integrated Approach Post-disaster Housing Properties This section presents post-disaster accommodation arrangement, which includes: the timescale, provision, and second life of temporary housing. Time-Scale Provision Styles Second Life Emergency Shelter Time-Scale Some accommodations have the ability to be used for different housing recovery stages, such as: tents or winterized tents, which can be applied for emergency shelter, temporary shelter, and TH phases. Temporary Shelter Time-Scale Temporary Housing Permanent Housing PDA Arrangement Provision Second Life Integrated Approach Post-disaster Housing Properties Introduction Provision Location Time-Scale Not Available (Need to be constructed) Case Study PDA Arrangement Provision Available Descriptive (Does not need to be constructed) State of the ArtMIVES State of the ArtMain Chapters Conclusion Construction Second Life Location Privacy Site Location The social problems due to an unsuitable location normally happen when the displaced population is forced to move to other areas, because according to (Davis 1978; Johnson 2002), displaced population prefers to live close to the previous properties, communities, and activities (Aquilino 2011; Johnson 2002). Site selection is a process that involves many steps from planning to construction, consisting of an initial inventory, alternative analysis, assessment, detailed design, and construction procedures and services (Kelly 2010). 28 Sustainability in the Post-Disaster Temporary Housing Management for Urban Areas Integrated Approach Post-disaster Housing Properties Dispersed Settlement Provision Site Location Mass Settlement Ready-Made Location Site Arrangement Construction System Prefabricated Supply Kit On-site CommunityBuilt Participation Self-Built Third party Contractor Not Available (Need to be constructed) Labour Construction Provision Available (Does not need to be constructed) This method is highly significant for the construction delivery time and quality. The participation method embraces construction approaches when displaced population only (self-built) or displaced population with community (semi self-built) undertakes to provide the accommodations. The third-party labour method considers the construction approaches to provide displaced population s´ accommodations by other people without the participation of the displaced population in the construction process. Integrated Approach Post-disaster Housing Properties Dispersed Settlement Provision Site Location Mass Settlement Ready-Made Location Site Arrangement Construction System Prefabricated Supply Kit On-site CommunityBuilt Participation Self-Built Third party Contractor Not Available (Need to be constructed) Labour Construction Conventional Material Nonconventional Provision Shape Available (Does not need to be constructed) Form Storey 30 Integrated Approach Post-disaster Housing Properties Second Life Same Time-Scale PDA Arrangement Location Others Property Condition Same Provision Storage Second Life Complete Reuse Others Landfill Components Function Dining hall formed from four housing Units, Duzce, Source: Hakan Arslana,, Nilay Cosgun, 2008 31 Integrated Approach Post-disaster Housing Properties Second Life Same Time-Scale PDA Arrangement Location Others Property Condition Same Provision Storage Second Life Complete Reuse Others Landfill Components Function Turkey, 1999, UMCOR, Cassidy Johnson, 2007 32 Decision-Making Model Introduction Decision-making Process of Post-disaster Housing Approaches Case Study Choosing suitable options among diverse limited alternatives Descriptive For example, choosing a suitable site location of THUs between initial chosen site. State of the ArtMIVES State of the ArtMain Chapters Alt. 3 Alt. 1 Conclusion Alt. 2 Determining suitable possible alternatives without having initial alternatives For instance, a model is used for choosing a proper settlement by considering all areas (see (Alparslan et al. 2008)). 33 Sustainability in the Post-Disaster Temporary Housing Management for Urban Areas Site Location Selection Introduction 𝑗 𝑗 𝑉𝑠 = 𝑖=1 𝑉𝑅𝑘 = 𝜆𝑅𝑖 . 𝑉𝑅𝑖 𝑖=1 𝑗 𝜆𝐶𝑅𝑖,𝑘 . 𝑉𝐶𝑅𝑖,𝑘 𝑉= 𝑖=1 𝜆𝑖,𝑘 . 𝑉𝑖,𝑘 (𝑥𝑖𝑛𝑑 ) Case Study Site Preparation Descriptive State of the ArtMIVES State of the ArtMain Chapters I1. Land Price R1. Economic δ C1. Invest Capital I2. Cost of Site Preparation Utilities Quality I3. Access C2. User Safety Conclusion Sustainability Indexes of Alternatives I4. Population Covering I5. Distance from Source of Danger R2. Social I6. Property and Land Use Zoning C3. Flexibility I7. Neighbourhood Acceptability C4. Land use I8. Landscape Respect C5. Emissions I9. CO2 Emission R3. Environmental II/I 34 Sustainability in the Post-Disaster Temporary Housing Management for Urban Areas Site Location Selection Introduction 𝑗 𝑗 𝑉𝑠 = 𝑖=1 𝑉𝑅𝑘 = 𝜆𝑅𝑖 . 𝑉𝑅𝑖 𝑖=1 𝑗 𝜆𝐶𝑅𝑖,𝑘 . 𝑉𝐶𝑅𝑖,𝑘 𝑉= 𝑖=1 𝜆𝑖,𝑘 . 𝑉𝑖,𝑘 (𝑥𝑖𝑛𝑑 ) Case Study Descriptive State of the ArtMIVES State of the ArtMain Chapters Population Covering I1. Land Price R1. Economic C1. Invest Capital I2. Cost of Site Preparation Maximize Coverage DP I3. Access Distribute Sites C2. User Safety Conclusion Sustainability Indexes of Alternatives I4. Population Covering I5. Distance from Source of Danger R2. Social I6. Property and Land Use Zoning C3. Flexibility I7. Neighbourhood Acceptability C4. Land use I8. Landscape Respect C5. Emissions I9. CO2 Emission R3. Environmental II/I 35 Sustainability in the Post-Disaster Temporary Housing Management for Urban Areas Site Location Selection Introduction 𝑗 𝑗 𝑉𝑠 = 𝑖=1 𝑉𝑅𝑘 = 𝜆𝑅𝑖 . 𝑉𝑅𝑖 𝑖=1 𝑗 𝜆𝐶𝑅𝑖,𝑘 . 𝑉𝐶𝑅𝑖,𝑘 𝑉= 𝑖=1 𝜆𝑖,𝑘 . 𝑉𝑖,𝑘 (𝑥𝑖𝑛𝑑 ) Case Study Descriptive State of the ArtMIVES State of the ArtMain Chapters Distance from Source of Danger I1. Land Price R1. Economic C1. Invest Capital I2. Cost of Site Preparation γ I3. Access Danger Level C2. User Safety Conclusion Sustainability Indexes of Alternatives I4. Population Covering I5. Distance from Source of Danger R2. Social I6. Property and Land Use Zoning C3. Flexibility I7. Neighbourhood Acceptability C4. Land use I8. Landscape Respect C5. Emissions I9. CO2 Emission R3. Environmental II/I 36 Sustainability in the Post-Disaster Temporary Housing Management for Urban Areas Site Location Selection Introduction 𝑗 𝑗 𝑉𝑠 = 𝑖=1 𝑉𝑅𝑘 = 𝜆𝑅𝑖 . 𝑉𝑅𝑖 𝑖=1 𝑗 𝜆𝐶𝑅𝑖,𝑘 . 𝑉𝐶𝑅𝑖,𝑘 𝑉= 𝑖=1 𝜆𝑖,𝑘 . 𝑉𝑖,𝑘 (𝑥𝑖𝑛𝑑 ) Case Study I1. Land Price CO2 Emissions Descriptive State of the ArtMIVES State of the ArtMain Chapters R1. Economic C1. Invest Capital I2. Cost of Site Preparation Preparation Activities I3. Access Transportation C2. User Safety Conclusion Sustainability Indexes of Alternatives I4. Population Covering I5. Distance from Source of Danger R2. Social I6. Property and Land Use Zoning LCA C3. Flexibility I7. Neighbourhood Acceptability C4. Land use I8. Landscape Respect C5. Emissions I9. CO2 Emission R3. Environmental II/I 37 Sustainability in the Post-Disaster Temporary Housing Management for Urban Areas Site Location Selection (Annex) I1. Land Price I3. Access I5. Distance from Source of Danger I2. Cost of Site Preparation I4. Population Covering I6. Property and Land Use Zoning 38 Site Location Selection (Annex) I7. Neighbourhood Acceptability I8. Landscape Respect I9. CO2 Emission 39 Site Location Selection (Annex) SubI7-1. Density SubI7-2. Hospital SubI7-3. School SubI7-4. Green Area SubI7-5. Police Station SubI7-6. Fire Station 40 Temporary Housing Units(Annex) I1. Building Cost I3. Construction Time I5. Comfort I2. Reusability Cost I4. Risk Resistance I6. Compatibility 41 Temporary Housing Units(Annex) I7. Energy Consumption I9. Waste Material I8. Water Consumption I10. CO2 Emissions 42 Temporary Housing Units(Annex) Sub I4-1. Natural Disaster Risk Sub I5-1. Acoustic Sub I4-2. Fire Resistance Sub I5-2. Thermal Resistance 43 Temporary Housing Units(Annex) Sub I6-1. Cultural Acceptance Sub I6-2. Flexibility Sub I6-3. Skilled Labour 44
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