The “Creating Age-friendly Communities: Housing and Technology” publication presents contemporary, innovative, and insightful narratives, debates, and frameworks based on an international collection of papers from scholars spanning the fields of gerontology, social sciences, architecture, computer science, and gerontechnology. This extensive collection of papers aims to move the narrative and debates forward in this interdisciplinary field of age-friendly cities and communities. (This book is a reprint of the Special Issue Creating Age-friendly Communities: Housing and Technology that was published in Healthcare)
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In the Netherlands, there is an increasing need for collective forms of housing for older people. Such housing bridges the gap between the extremes of living in an institutionalised setting and remaining in their own house. The demand is related to the closure of many residential care homes and the need for social engagement with other residents. This study focuses on housing initiatives that offer innovative and alternative forms of independent living, which deviate from mainstream housing arrangements. It draws on recent literature on healthcare ‘rebels’ and further develops the concept of ‘rebellion’ in the context of housing. The main research question is how founders dealt with challenges of establishing and governing ‘rebellious’ innovative living arrangements for older people in the highly regulated context of housing and care in the Netherlands. Qualitative in-depth interviews with 17 founders (social entrepreneurs, directors and supervisory board members) were conducted. Founders encountered various obstacles that are often related to governmental and sectoral rules and regulations. Their stories demonstrate the opportunities and constraints of innovative entrepreneurship at the intersection of housing and care. The study concludes with the notion of ‘responsible rebellion’ and practical lessons about dealing with rules and regulations and creating supportive contexts. Original article at MDPI; DOI: https://doi.org/10.3390/ijerph17176235 And atachment "Supplementary Materials" (This article belongs to the Special Issue Feature Papers "Age-Friendly Cities & Communities: State of the Art and Future Perspectives")
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Purpose - Housing associations make too small a contribution to society, the government has to step in too frequently because of maladministration, and the associations’ executives are often unaware of the far-reaching impact of their decisions. These are the conclusions of new academic research conducted by Jan Veuger of Rotterdam School of Management, Erasmus University (RSM). In his dissertation, he asserts that in numerous cases there is no correlation between social and financial objectives. The Dutch House of Representatives debated the results of the report Ver van huis from the Parliamentary Committee of Inquiry on Housing Associations in early December 2014. Design/methodology/approach -After extensive exploration of the literature and PhD studies on the period from 2005-2009, the research design inspired based on the grounded theory, which has a certain bias as a result of the extensive literature study. In the line of thinking of the grounded theory, interviews with directors more or less contracted uninhibited according to a narrative method. Afterwards these interviews, independent of the researcher, thematic and labeled by a single Delphi method be submitted to an expert group which created a storyline. The results of this Delphi method have been submitted to a peer group of directors. Then these conclusions in a survey presented to 60 selected directors and the subsequent conclusions. There has thus been more than a triangulation of research than just interviews, Delphi method and survey. Hypotheses are thereby omitted because of the difficulty of fitting in within the chosen research design inspired by grounded theory. Findings -Why thisqualitative thesis 'Control of housing associations in consistency with social values'? To understand and to discover patterns about the how and why of the functioning of corporations in society as they do now. This qualitative study is about the search for ideas, backgrounds, motives, resistors and motives and is therefore suitable for the following question: witch contradictions are there in the social values that underlie housing associations that affect the way the are governed? The overall summary conclusions to answer the central question is: Directors, at the highest level thinking about how to deal with values ensure they drive on their own, monitor, know the consequences and take responsibility. Research limitations/implications - At his request Stef Blok, Minister for Housing and Kingdom Relations, has received the thesis Material Immaterial (Veuger 2014) on December 4, 2014. On December 11, 2014, the Minister decided to change its proposed policy through the establishment of an inspection model in which the financial and social objectives of the corporations are tested and assured, with the Minister as the final responsible. The parliament has unanimously agreed. Originality/value - My contribution to science is also showing patterns of Board behavior, whether or not in conjunction with societal and financial values of housing associations. This has not been previously investigated or established. This contribution complements include studies on culture of housing associations (Dreimuller 2008 and Sinke 2014) or only driver behavior (Heemskerk 2013) or history of housing corporations (Beekers 2012) or about the behavior of housing associations (Koolma 2009)
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Population ageing has become a domain of international discussions and research throughout the spectrum of disciplines including housing, urban planning, and real estate. Older people are encouraged to continue living in their homes in their familiar environment, and this is referred to as “ageing-in-place”. Enabling one to age-in-place requires new housing arrangements that facilitate and enable older adults to live comfortably into old age, preferably with others. Innovative examples are provided from a Dutch social housing association, illustrating a new approach to environmental design that focuses more on building new communities in conjunction with the building itself, as opposed to the occupational therapeutic approaches and environmental support. Transformation projects, referred to as “Second Youth Experiments”, are conducted using the Røring method, which is based on the principles of co-creation. De Benring in Voorst, The Netherlands, is provided as a case study of an innovative transformation project. This project shows how social and technological innovations can be integrated in the retrofitting of existing real estate for older people. It leads to a flexible use of the real estate, which makes the building system- and customer preference proof. Original article at: https://doi.org/10.3390/buildings8070089 © 2018 by the authors. Licensee MDPI.
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The built environment requires energy-flexible buildings to reduce energy peak loads and to maximize the use of (decentralized) renewable energy sources. The challenge is to arrive at smart control strategies that respond to the increasing variations in both the energy demand as well as the variable energy supply. This enables grid integration in existing energy networks with limited capacity and maximises use of decentralized sustainable generation. Buildings can play a key role in the optimization of the grid capacity by applying demand-side management control. To adjust the grid energy demand profile of a building without compromising the user requirements, the building should acquire some energy flexibility capacity. The main ambition of the Brains for Buildings Work Package 2 is to develop smart control strategies that use the operational flexibility of non-residential buildings to minimize energy costs, reduce emissions and avoid spikes in power network load, without compromising comfort levels. To realise this ambition the following key components will be developed within the B4B WP2: (A) Development of open-source HVAC and electric services models, (B) development of energy demand prediction models and (C) development of flexibility management control models. This report describes the developed first two key components, (A) and (B). This report presents different prediction models covering various building components. The models are from three different types: white box models, grey-box models, and black-box models. Each model developed is presented in a different chapter. The chapters start with the goal of the prediction model, followed by the description of the model and the results obtained when applied to a case study. The models developed are two approaches based on white box models (1) White box models based on Modelica libraries for energy prediction of a building and its components and (2) Hybrid predictive digital twin based on white box building models to predict the dynamic energy response of the building and its components. (3) Using CO₂ monitoring data to derive either ventilation flow rate or occupancy. (4) Prediction of the heating demand of a building. (5) Feedforward neural network model to predict the building energy usage and its uncertainty. (6) Prediction of PV solar production. The first model aims to predict the energy use and energy production pattern of different building configurations with open-source software, OpenModelica, and open-source libraries, IBPSA libraries. The white-box model simulation results are used to produce design and control advice for increasing the building energy flexibility. The use of the libraries for making a model has first been tested in a simple residential unit, and now is being tested in a non-residential unit, the Haagse Hogeschool building. The lessons learned show that it is possible to model a building by making use of a combination of libraries, however the development of the model is very time consuming. The test also highlighted the need for defining standard scenarios to test the energy flexibility and the need for a practical visualization if the simulation results are to be used to give advice about potential increase of the energy flexibility. The goal of the hybrid model, which is based on a white based model for the building and systems and a data driven model for user behaviour, is to predict the energy demand and energy supply of a building. The model's application focuses on the use case of the TNO building at Stieltjesweg in Delft during a summer period, with a specific emphasis on cooling demand. Preliminary analysis shows that the monitoring results of the building behaviour is in line with the simulation results. Currently, development is in progress to improve the model predictions by including the solar shading from surrounding buildings, models of automatic shading devices, and model calibration including the energy use of the chiller. The goal of the third model is to derive recent and current ventilation flow rate over time based on monitoring data on CO₂ concentration and occupancy, as well as deriving recent and current occupancy over time, based on monitoring data on CO₂ concentration and ventilation flow rate. The grey-box model used is based on the GEKKO python tool. The model was tested with the data of 6 Windesheim University of Applied Sciences office rooms. The model had low precision deriving the ventilation flow rate, especially at low CO2 concentration rates. The model had a good precision deriving occupancy from CO₂ concentration and ventilation flow rate. Further research is needed to determine if these findings apply in different situations, such as meeting spaces and classrooms. The goal of the fourth chapter is to compare the working of a simplified white box model and black-box model to predict the heating energy use of a building. The aim is to integrate these prediction models in the energy management system of SME buildings. The two models have been tested with data from a residential unit since at the time of the analysis the data of a SME building was not available. The prediction models developed have a low accuracy and in their current form cannot be integrated in an energy management system. In general, black-box model prediction obtained a higher accuracy than the white box model. The goal of the fifth model is to predict the energy use in a building using a black-box model and measure the uncertainty in the prediction. The black-box model is based on a feed-forward neural network. The model has been tested with the data of two buildings: educational and commercial buildings. The strength of the model is in the ensemble prediction and the realization that uncertainty is intrinsically present in the data as an absolute deviation. Using a rolling window technique, the model can predict energy use and uncertainty, incorporating possible building-use changes. The testing in two different cases demonstrates the applicability of the model for different types of buildings. The goal of the sixth and last model developed is to predict the energy production of PV panels in a building with the use of a black-box model. The choice for developing the model of the PV panels is based on the analysis of the main contributors of the peak energy demand and peak energy delivery in the case of the DWA office building. On a fault free test set, the model meets the requirements for a calibrated model according to the FEMP and ASHRAE criteria for the error metrics. According to the IPMVP criteria the model should be improved further. The results of the performance metrics agree in range with values as found in literature. For accurate peak prediction a year of training data is recommended in the given approach without lagged variables. This report presents the results and lessons learned from implementing white-box, grey-box and black-box models to predict energy use and energy production of buildings or of variables directly related to them. Each of the models has its advantages and disadvantages. Further research in this line is needed to develop the potential of this approach.
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The establishment of new housing initiatives for older people begins with the participation of (future) residents. This study explored how participation is experienced by both facilitators and (future) residents and what lessons are learned regarding the facilitation of meaningful participation. Participation was studied through semi-structured interviews and focus group sessions from the perspective of 34 (future) residents and facilitators involved in participation processes in a diverse set of four housing projects from the Netherlands. The results focused on three phases: the initiation phase, the concepting and development phase, and the transition towards an established form of group housing. From the outset of such processes, it was important to involve all relevant stakeholders and to create a shared vision about the participation process. Discussions in small groups, the use of references, creative elements, and the creation of the right atmosphere were experienced as valuable during the concepting and design phase. In the third phase, the role of the organisation and residents needed to be discussed again. Participation should be a continuous process, during which trust, communication and having an open attitude are key. This study showed how innovative approaches can contribute to the creation of an environment in which older people can impact the actual design of housing, and make it more inclusive. Original article at: https://doi.org/10.3390/buildings12030367 © 2022 by the authors. Licensee MDPI.
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Senior co-housing communities offer an in-between solution for older people who do not want to live in an institutional setting but prefer the company of their age peers. Residents of co-housing communities live in their own apartments but undertake activities together and support one another. This paper adds to the literature by scrutinizing the benefits and drawbacks of senior co-housing, with special focus on the forms and limits of social support and the implications for the experience of loneliness. Qualitative fieldwork was conducted in eight co-housing communities in the Netherlands, consisting of document analysis, interviews, focus groups, and observations. The research shows that co-housing communities offer social contacts, social control, and instrumental and emotional support. Residents set boundaries regarding the frequency and intensity of support. The provided support partly relieves residents’ adult children from caregiving duties but does not substitute formal and informal care. Due to their access to contacts and support, few residents experience social loneliness. Co-housing communities can potentially also alleviate emotional loneliness, but currently, this happens to a limited degree. The paper concludes with practical recommendations for enhancing the benefits and reducing the drawbacks of senior co-housing. Original article at MDPI; DOI: https://doi.org/10.3390/ijerph16193776
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Since the financial and administrative liberalisation from the government in the late 1980s and the 1990s, the Dutch housing associations have been very dynamic, regarding the considerable extension of both commercial and social activities, the increased reliance and dependence on market circumstances, and the large number of amalgamations, creating bigger organisations. In recent years the Dutch social housing sector is under increased pressure as a consequence of the credit crunch, increased tax levies and the national implementation in the sector of EU regulations on ‘Services of General Economic Interest’. Factors like these are likely to have an effect on the organisational strategies of housing associations, the main providers of social housing in the Netherlands. The direction and the size of these effects, however, are not well known. A recent inquiry among housing associations sheds more light on this. In this paper, we make use of a classification including a socialcommercial dimension and a dimension between so-called ‘prospectors’ and ‘defenders’. This classification proves to be an adequate tool to describe the recent developments in the sector. It is concluded that, in general, housing associations are focussing more on traditional social housing tasks and ‘defending’ strategies, implying a shift back compared to the trend in recent decades.
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Housing associations make too small a contribution to society, the government has to step in too frequently because of maladministration, and the associations’ executives are often unaware of the far-reaching impact of their decisions. These are the conclusions of new academic research conducted by Jan Veuger of Rotterdam School of Management, Erasmus University (RSM). In the author’s dissertation, he asserts that in numerous cases, there is no correlation between social and financial objectives. The Dutch House of Representatives debated the results of the report Ver van huis from the Parliamentary Committee of Inquiry on Housing Associations in early December, 2014. The research that is being carried out at the moment is constructed in a manner that if we understand something about value thinking and what underlying motivation is, an approach can be deducted that will allow us to control them. After the introduction, an explanation of the theme of the research will be given and the choice for a four-phase model with a deepening as to what value(s) is (and are). From the perspective of the four-phase model, the emphasis will be put on the socialization and thinking capacities, and parallels will be drawn between the values within the four-phase model, the examined values, and in specific, public housing corporations.
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This paper presents work aimed at improved organization and performance of production in housing renovation projects. The purpose is to explore and demonstrate the potential of lean work organization and industrialized product technology to improve workflow and productive time. The research included selected case studies that have been found to implement lean work organization and industrialized product technology in an experimental setting. Adjustments to the work organization and construction technology have been implemented on site. The effects of the adjustments have been measured and were reviewed with operatives and managers. The data have been collected and analyzed, in comparison to traditional settings. Two projects were studied. The first case implied am application of lean work organization in which labor was reorganized redistributing and balancing operations among operatives of different trades. In the second case industrialized solution for prefabricated installation of prefabricated roofs. In both cases the labor productivity increased substantially compared to traditional situations. Although the limited number of cases, both situations appeared to be representative for other housing projects. This has led to conclusions extrapolated from both cases applicable to other projects, and contribution to the knowledge to improve production in construction. Vrijhoef, R. (2016). “Effects of Lean Work Organization and Industrialization on Workflow and Productive Time in Housing Renovation Projects.” In: Proc. 24 th Ann. Conf. of the Int’l. Group for Lean Construction, Boston, MA, USA, sect.2 pp. 63–72. Available at: .
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