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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Are Humans Good Sensors? Using Occupants as Sensors for Indoor Environmental Quality Assessment and for Developing Thresholds that Matter

Park, Jihyun 01 May 2015 (has links)
The indoor environmental quality (IEQ) of buildings can have a strong influence on occupants’ productivity and health. Post occupancy evaluation (POE) is the first step in assessing IEQ, and typically relies on subjective surveys of thermal quality, air quality, visual quality, and acoustic quality. However, the practice of conducting POE, from data collection during field studies to data coding, analyses and visualization, is very labor intensive. In addition, there is often a significant discrepancy between major IEQ standards and actual human perception. The Center for Building Performance and Diagnostics (CBPD) at Carnegie Mellon University (CMU) has expanded POE to include both objective IEQ measurements and records of the TABS that may affect indoor environment and user satisfaction. The suite of three tools including user satisfaction survey, technical attributes of building system and workstation IEQ measurements in the National Environmental Assessment Toolkit has been deployed in over 1600 workstations in 65 buildings, generating a rich database for statistical evaluation of the possible correlations between the physical attributes of workstations, measured environmental conditions, and user satisfaction. The database also supports a number of critical hypotheses relative to the complexity and depth of field data needed, the critical factors that must be collected, and the possibility that humans are indeed good sensors for many variables. The major statements that have been drawn from the research are as follows: (1) Because human health and performance outcomes are a result of an integration of indices, IEQ evaluation must include thermal, air, visual, and acoustic measures. (2) While POE with IEQ measurement is an ideal approach to assessing the full suite of environmental characteristics that impact human satisfaction, health and performance, field measurements are labor and cost intensive. (3) Building occupants can provide critical insights and even real measures of IEQ, and contribute to updating IEQ standards to reflect integrated realities. As such, this research revealed an integrated approach to POE +M by leveraging occupants as sensors to quickly capture IEQ conditions in a work environment. This approach can identify critical factors in the physical environment that impacts building occupant comfort and satisfaction. This approach provides practical IEQ assessment methods and procedures centered on the occupants’ perspective. The ultimate outcome of this research will contribute (1) correlations between occupant perception and measured data, (2) a refined survey method to assess building IEQ capable of robust prediction of building performance, and (3) metrics and guidelines for IEQ standards that capture new IEQ thresholds that impact building occupants’ comfort. The hypotheses tested in this thesis are summarized as follows: Hypothesis 1: Humans are effective sensors for POE+M. Combining occupant responses with key IEQ attributes can provide insight that is comparable to complex field instrumentation. Hypothesis 2: User satisfaction can inform design decisions. Comparing user satisfaction to instrumented IEQ measurements can inform acceptable thermal, air, visual, and acoustic design for occupant satisfaction. Hypothesis 3: Environmental thresholds are not adequate. Comparing user satisfaction to instrumented IEQ measurements can inform acceptable thermal, air, visual, and acoustic quality l conditions for occupant comfort. Multivariate regression, multiple correlation coefficient, and Pearson correlation statistical analysis of the database of 1600 workstations revealed the relationship between measured and perceived IEQ indices, interdependencies between IEQ indices and other satisfaction variables of significance. This research can contribute correlations between occupant perception and measured conditions, and metrics and guidelines for IEQ standards that capture new IEQ thresholds that impact building occupants’ comfort. The key findings of the IEQ data analysis are as follows: The result of the thermal quality revealed that smaller thermal zone, greater window quality, a level of control, measured air temperature at 60 cm from the floor, and radiant temperature asymmetry between exterior and interior walls are critical factors of temperature satisfaction. For air quality, operable windows, window quality, partition height, dedicated exhausts for printer and copy area, return air density are critical factors for overall air quality satisfaction. User satisfaction of the visual quality showed that seated view in the workstation is the most critical factor for user’s overall visual quality satisfaction. In addition, better ceiling fixture, ceiling lens type, window type and managing illuminance level on the work surface are important. Lastly, to ensure the acoustic quality satisfaction in both background noise and frequency from distraction from other people, bigger workstation, more partition sides, higher partitions and management of distributed noise source are critical for user comfort and perceived productivity. Overall, this thesis identified opportunities to improve the process of IEQ assessment by engaging occupants in POE, and define critical indicators for building occupant satisfaction. The results will contribute to the ongoing database of engaging humans as IEQ sensors. In the future, the findings and framework described here may be applied in different aspects of the building delivery process, such as building life cycle evaluation, building design, and the construction stage, to improve occupants’ thermal, air, visual, and acoustic conditions in the building.
2

A casa dos sonhos: necessidades, aspirações, símbolos.... / The Dream Home: needs, expectations, symbols...

Ferreira, Clovis Chiezzi Seriacopi 25 September 2006 (has links)
A Casa dos Sonhos, objeto desta pesquisa, é uma casa ideal. Ao longo do seu ciclo de vida, cada pessoa vai construindo sua própria experiência humana, seus valores e seus símbolos, a partir dos conhecimentos que ela própria vai selecionando para si, de tudo aquilo que o universo lhe oferece. Ao longo da vida, no seu dia-a-dia, as pessoas vão experimentando necessidades, que geram anseios e aspirações. Desse complexo sistema de símbolos, valores, anseios, aspirações e necessidades começa a surgir a idealização de espaços adequados para a realização de cada uma das atividades cotidianas. São aspirações nem sempre bem definidas, independentes umas das outras, às vezes inconciliáveis. Empreender a produção de uma casa sob medida é, sem dúvida, uma tarefa extremamente complexa. Ainda que muitos se resignem a adquirir pronta a sua casa própria, porquê cada ser humano parece sempre desejar criar a sua própria casa, sob medida para seus valores, suas aspirações e suas necessidades? Utilizando meios e métodos da Avaliação Pós-Ocupação (APO) do Ambiente Construído, que considera fundamentalmente o ponto de vista dos usuários, esta pesquisa investiga as motivações e o processo de produção de uma residência idealizada, planejada e realizada por uma família, sob medida para as suas necessidades, as suas aspirações, os seus valores e os seus símbolos. Este trabalho se fundamenta em entrevistas realizadas com membros de trinta famílias que produziram a sua Casa dos Sonhos, em Alphaville, um complexo residencial, empresarial e comercial situado na Região Metropolitana da Capital do Estado de São Paulo. / The Dream Home that is the purpose of this research is an ideal house. Through the human life cycle, every human being builds its own human experience, values, and symbols from the achievements that each one selects from everything the universe offers. Along their life, through the day-by-day activities, people experience and realize needs that generate expectations and desires. From this complex set of symbols values and needs emerges the idealization of adequate space to perform each one of the day-by-day activities. Most of the time, these needs are not quite clear and works independently and also frequently are not compatible. Entrepreneurs a tailor made home is a very complex task. Although most of the people have to acquire shelf houses, why everyone desires to create their own tailor made dream houses that reach their values, symbols, expectations and needs? Where comes this desire for a personalized home from? Using methods and techniques of Post-Occupancy Evaluation (POE), which considers fundamentally users point of view, this research investigates motivation and the production process of an idealized, planned and built house by a family, intending to fulfill their needs, desires, values and symbols. This work is based on research and interviews with 30 families that have built their own dream home in Alphaville, a residential complex located on the suburban area of the city of São Paulo - Brazil.
3

A casa dos sonhos: necessidades, aspirações, símbolos.... / The Dream Home: needs, expectations, symbols...

Clovis Chiezzi Seriacopi Ferreira 25 September 2006 (has links)
A Casa dos Sonhos, objeto desta pesquisa, é uma casa ideal. Ao longo do seu ciclo de vida, cada pessoa vai construindo sua própria experiência humana, seus valores e seus símbolos, a partir dos conhecimentos que ela própria vai selecionando para si, de tudo aquilo que o universo lhe oferece. Ao longo da vida, no seu dia-a-dia, as pessoas vão experimentando necessidades, que geram anseios e aspirações. Desse complexo sistema de símbolos, valores, anseios, aspirações e necessidades começa a surgir a idealização de espaços adequados para a realização de cada uma das atividades cotidianas. São aspirações nem sempre bem definidas, independentes umas das outras, às vezes inconciliáveis. Empreender a produção de uma casa sob medida é, sem dúvida, uma tarefa extremamente complexa. Ainda que muitos se resignem a adquirir pronta a sua casa própria, porquê cada ser humano parece sempre desejar criar a sua própria casa, sob medida para seus valores, suas aspirações e suas necessidades? Utilizando meios e métodos da Avaliação Pós-Ocupação (APO) do Ambiente Construído, que considera fundamentalmente o ponto de vista dos usuários, esta pesquisa investiga as motivações e o processo de produção de uma residência idealizada, planejada e realizada por uma família, sob medida para as suas necessidades, as suas aspirações, os seus valores e os seus símbolos. Este trabalho se fundamenta em entrevistas realizadas com membros de trinta famílias que produziram a sua Casa dos Sonhos, em Alphaville, um complexo residencial, empresarial e comercial situado na Região Metropolitana da Capital do Estado de São Paulo. / The Dream Home that is the purpose of this research is an ideal house. Through the human life cycle, every human being builds its own human experience, values, and symbols from the achievements that each one selects from everything the universe offers. Along their life, through the day-by-day activities, people experience and realize needs that generate expectations and desires. From this complex set of symbols values and needs emerges the idealization of adequate space to perform each one of the day-by-day activities. Most of the time, these needs are not quite clear and works independently and also frequently are not compatible. Entrepreneurs a tailor made home is a very complex task. Although most of the people have to acquire shelf houses, why everyone desires to create their own tailor made dream houses that reach their values, symbols, expectations and needs? Where comes this desire for a personalized home from? Using methods and techniques of Post-Occupancy Evaluation (POE), which considers fundamentally users point of view, this research investigates motivation and the production process of an idealized, planned and built house by a family, intending to fulfill their needs, desires, values and symbols. This work is based on research and interviews with 30 families that have built their own dream home in Alphaville, a residential complex located on the suburban area of the city of São Paulo - Brazil.
4

Effects of Healing Garden Use on Stress Experienced by Parents of Patients in a Pediatric Hospital

Toone, Traci L. 16 January 2010 (has links)
The newly built Dell Children’s Medical Center in Austin, Texas was designed with an understanding of the healing power of nature. A perspective randomized design with pre-post measures Post-Occupancy Evaluation (POE) was conducted to test whether the hospital’s Healing Garden had an effect on the stress levels of parents of pediatric hospital patients. Participants were asked to sit and relax in the Healing Garden for ten-minutes. Two differing interior spaces, one with views to nature and one without views to nature, were tested as comparisons. Data was collected in the form of surveys and behavioral observation. Results indicate that the Healing Garden reduced the stress of parents at a greater rate than the two interior spaces included in the study. However, the two interior spaces did not differ in their stress reducing effects despite one having views to nature. Comments from parents indicated a slight stress relieving effect by simply leaving their patient’s room. These research findings should be used to encourage parents and other adult family members to use the hospital’s gardens to reduce stress felt from their patient’s medical treatment. Further studies need to be conducted to provide more conclusive data.
5

Effects of Healing Garden Use on Stress Experienced by Parents of Patients in a Pediatric Hospital

Toone, Traci L. 16 January 2010 (has links)
The newly built Dell Children’s Medical Center in Austin, Texas was designed with an understanding of the healing power of nature. A perspective randomized design with pre-post measures Post-Occupancy Evaluation (POE) was conducted to test whether the hospital’s Healing Garden had an effect on the stress levels of parents of pediatric hospital patients. Participants were asked to sit and relax in the Healing Garden for ten-minutes. Two differing interior spaces, one with views to nature and one without views to nature, were tested as comparisons. Data was collected in the form of surveys and behavioral observation. Results indicate that the Healing Garden reduced the stress of parents at a greater rate than the two interior spaces included in the study. However, the two interior spaces did not differ in their stress reducing effects despite one having views to nature. Comments from parents indicated a slight stress relieving effect by simply leaving their patient’s room. These research findings should be used to encourage parents and other adult family members to use the hospital’s gardens to reduce stress felt from their patient’s medical treatment. Further studies need to be conducted to provide more conclusive data.
6

Closing the loop : the use of post occupancy evaluations in real estate management

Palm, Peter January 2008 (has links)
The real-estate sector has traditionally been thinking in terms of “bricks and mortar” focusing more on the buildings than on the tenants. A change of approach has, however, been detected since the mid 1990s. The tenant is now more in focus. This new situation puts higher requirements on both the individual real-estate manager’s and organization’s ability to determine the needs of the tenants. Evaluations and knowledge management can be a help in this process Post Occupancy Evaluation (POE) is one tool where the tenant’s perspective is in focus. The purpose of this thesis is to study the Swedish real-estate sector’s attitudes and experience of POE. Furthermore the purpose is to investigate how POE can be implemented in the organization and what barriers there are to implementation. This thesis presents three empirical studies of the real-estate sector and their use of POE. The first study is a survey sent to Swedish real-estate managers to determine their attitudes and experience of POE. This study was followed up by a more in-depth interview study to determine the attitudes regarding POE among the real-estate managers. The third study was also an interview study and it was carried out with individuals in leading positions in organizations in the real-estate sector. The aim of this study was to get a clearer view of possibilities for change and barriers to change within the real-estate sector The results show that there is an interest from the real-estate managers towards evaluations but that they rarely carry out evaluations. The main barrier detected is the lack of support from top management and this has resulted in a lack of incentives for realestate managers to work with POE. The reason for this lack of interest from the top management can be the culture of the real-estate sector, a culture which has sprung from the building sector. The conclusion is that problems will not be solved solely by implementing POE. The organisation must take care of the information, share it, learn from it and use it in the best way in current and future projects. This can only be done by implanting a knowledge management system. To enable this kind of change within the organisation the top management must underline the importance of this and at the same time give the organisation both the right tools to enable implementation and incentives to carry this out and follow it through. One way to show the importance of knowledge management, and at the same time create incentives and methods to follow up the development of the organisation is to integrate POE in the Balanced Scorecard. The conclusion is that if the top management doesn’t want the organisation to fall behind its competitors it must put knowledge management on the agenda. Sooner or later the competitors will implement evaluations and knowledge management in their organisations, and then it is only a question of time before they have built a better and stronger organisation, with better-qualified employees, that generates more efficient services and more satisfied customers. / <p>ISBN (invalid): 9197598484</p>
7

Sustainable schools : beyond measure?

Roberts, Michael January 2014 (has links)
This PhD research project has examined four newly built secondary schools in Leicester, England that were procured through the UK Government’s Building Schools for the Future (BSF) programme (2003-2010). The research strategy has adopted a mixed-methods approach using a range of quantitative and qualitative data. The principle aim was to establish a theoretical framework for Sustainable Development which could then help to shape the analysis. Five specific dimensions were identified as a result of an extensive literature review (Education [A], Community [B], Environment [C], Technology [D] and Economics [E]). It was also important to consider the dynamic nature of a school in relation to the study’s overarching question; ‘Sustainable Schools; Beyond Measure?’ In this regard, a “systems” approach was selected, which in turn led to the identification of three further levels of analysis (Inputs [1], Processes [2] and Outcomes [3]). Five objectives were then identified, helping to instruct the direction of the research activities. Firstly, the BSF procurement mechanism had to identify a private sector partner to rebuild the 16 secondary schools in Leicester over a 10 year period. This was time consuming and did not include energy efficiency as part of the selection process. Secondly, the commissioning of the four phase one buildings prior to occupancy was not sufficiently thorough. As a result, multiple operational problems were encountered post-occupancy by the Facility Management (FM) Provider. Thirdly, when the utility data was examined, the schools were not performing efficiently around their schedule of activities. When the Building Management Systems (BMS) were subsequently re-commissioned, timer settings were adjusted, resulting in substantial carbon and energy savings. Fourthly, when the staff completed an occupancy satisfaction survey, the results identified numerous comfort problems which could be linked to the heating, ventilation and air-conditioning systems (HVAC). Finally, when the researcher looked back at the past 10 years of educational statistics (2002-2012), it was clear how attainment, based on GCSE results, had dramatically improved following the move into the new buildings in September 2009. In order to draw out new insights from this wide spectrum of data, a matrix was developed, helping to organise the information in a systematic way. More generally, it is hoped this approach will promote a more intricate understanding about the way Sustainable Development can be integrated into future procurement mechanisms, building regulations and education policy.
8

The Village of River Ranch: A Post Occupancy Evaluation of a Traditional Neighborhood Development in Lafayette, Louisiana

Tomlinson, Elizabeth A. 15 December 2007 (has links)
The proponents of New Urbanism claim the neighborhoods they design, called Traditional Neighborhood Developments (TNDs), promote community, sense of place, physical health, and environmental sustainability. Critics assert that community is stressed at the expense of individuality, that design unity has become rigid uniformity, and that the neighborhoods are orchestrated and do not reflect real life. This thesis, a post occupancy evaluation (POE), examines how one TND works for its residents and whether it accomplishes the goals of the architect/planner. An additional, essential purpose of this POE is to serve the "feed-forward" role of informing future neighborhood planning projects. The Village of River Ranch in Lafayette, Louisiana is the site of my research. Utilization of multiple research methods (survey, interviews, naturalistic observations) offered opportunities for triangulation and the ability to produce a more comprehensive analysis.
9

Towards a satisfactory learning environment: Importance-Performance Analysis of the on-campus requirements of architecture students

Wagener, Annemarie 21 October 2013 (has links)
Thesis (M.Arch. (Research))--University of the Witwatersrand, Faculty of Engineering and the Built Environment, 2012. / Abstract: The on-campus learning environment often falls far short of the expectations of architecture students. One reason is that these students are seldom given a voice in how their schools are designed, or how the facilities are managed. This study tested the use of Post Occupancy Evaluation (POE), and Importance-Performance Analysis (IPA) as a strategic method of addressing this shortcoming. To do this research, a POE questionnaire was developed, based on the theoretical underpinnings of good design of places for adult learning, questionnaire design, POE, and IPA. After implementation of the questionnaire at four South African schools of architecture, the collected data were processed using standard spreadsheet software. Once the results were presented in an IPA matrix format, it was clear that there are several commonalities in the needs and desires of architecture students from the different schools. Some requirements, such as that for well-equipped computer laboratories were not surprising. Others, such as a universal need for quiet, separate spaces in which to work; and outdoor places where they can gather to work or ‘chill’ away from their studios and classrooms were less expected outcomes. The typically poor quality of indoor environmental conditions was exposed as one of the main reasons why architecture students now often prefer to make use of alternative, off-campus ways of working, and of communicating with each other and with their teachers. The implication of these findings is that by combining POE and IPA, it is possible to identify and monitor the attributes that are necessary for a satisfactory on-campus learning environment. Where shortcomings are identified with POE, strategic responses can easily be devised using IPA. The dissertation is concluded with suggestions for future applications of the proposed questionnaire and data analysis method, to enable benchmarking at schools of architecture and improve the on-campus environment of students of architecture.
10

COPAN/SP: A trajetória de um mega empreendimento, da concepção ao uso: estudo compreensivo do processo com base na avaliação pós-ocupação / COPAN/SP: the evolution of a mega real estate enterprise, from the preliminary ideas to the use: comprehensive study of the process based on post-occupancy evaluation (POE) approach

Galvão, Walter Jose Ferreira 30 March 2007 (has links)
Projetado no início da década de 50 do século XX por Oscar Niemeyer o edifício COPAN surgiu num momento de profundas transformações em São Paulo. A economia da capital paulistana se fortalecia aquecendo o mercado imobiliário e ocasionando uma verdadeira ?febre construtiva? na cidade. Maior edifício residencial da América Latina, com 116.152m² de área construída, o COPAN, situado no centro de São Paulo, era um monumento aos novos paradigmas adotados nos anos 50 na cidade: gigantismo, verticalização, adensamento populacional, dentre outros. Utilizando-se dos métodos e das técnicas da Avaliação Pós-Ocupação (APO), esta dissertação tem como objetivo aferir o desempenho do edifício nas questões de conforto ambiental, desempenho funcional dos apartamentos e das áreas comuns, acessibilidade para pessoas com dificuldades de locomoção e visão e segurança contra incêndio, tanto do ponto de vista dos especialistas, bem como do ponto de vista dos usuários. Com base em diagnósticos elaborados para cada item pesquisado, são feitas recomendações, sempre que possível, visando atender às exigências atuais de desempenho constantes em Normas, as determinações de Código de Obras, além de proposições voltadas à melhoria da qualidade de vida neste edifício, sempre que pertinente. A pesquisa inclui ainda, para fundamentar os diagnósticos e as recomendações da APO, um estudo voltado à compreensão da gestão do processo de projeto, desde sua concepção. / Designed by Oscar Niemeyer in the early 1950s, the Copan Building in Downtown São Paulo, Brazil, was erected during a period when sweeping changes were taking place in the city. The local economy was strengthened by the growing real-estate market and was bringing about a veritable \"rage of construction.\" The Copan is the tallest residential building in Latin America, having 116,152m² of constructed area, and it was a monument to the new architectural paradigms being adopted in São Paulo in the 1950s, including gigantism, verticalization and demographic densification. Using methods and techniques of the Post Occupancy Evaluation (POE), this dissertation is aimed at appraising the building\'s performance in the areas of environmental comfort, functional performance of the apartments and common areas, access for persons with difficulties in locomotion and sight, and fire safety, all from the points of view of both specialists and users. Whenever possible and pertinent, and based on the diagnoses drawn up, recommendations are made for each item geared to the demands expressed in today\'s laws and regulations, including the São Paulo Building Code. Proposals are also presented for improving the quality of living in this building. To back up the diagnoses and recommendations in the POE, the dissertation also includes a study aimed at obtaining a better understanding of the management of the designing process, right from its very conception.

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