This study aims to understand the relationship between bedroom privacy and well-being of the elderly in aged care facilities with a compact living situation. A majority of studies on this topic were carried out in a low-density population context. The crowded living situation might compromise the well-being of residents. This study proposed five architectural parameters to measure bedroom privacy in aged care facilities: total open surface per unit, openness/solid ratio per bed, height of partition wall, number of people per unit, and personal control over bedroom privacy. SF-12 v.2 Health Survey was used to collect information on physical and mental health status. The study surveyed nine Care & Attention homes and their 213 residents in Hong Kong. The total open surface per unit and the openness/solid ratio per bed were positively associated with the physical health of residents. The height of partition walls was associated negatively with their physical and mental health conditions, and the number of people per unit was negatively associated with their physical health. More than half of respondents preferred a single unit with high partition walls; however, 40% of respondents preferred low partition walls. The provision of privacy for the elderly should be balanced with their needs for social interactions; total open surface per unit, openness/solid ratio per bed and height of partition wall should be taken into consideration. The study provides evidence and design guidelines for improving privacy in aged care facilities with a compact living environment.
Today, “walkability” is considered a critical component of an aging-friendly neighborhood. This study examined the relationships between the neighborhood physical environment, walkability, and physical activity levels of older residents in Singapore. Five neighborhoods notable for their “aging in place” strategies were selected for a site survey. A questionnaire focusing on the evaluation of neighborhood walkability was administered to older adults in these neighborhoods. The questionnaire included three sections: neighborhood satisfaction, walkability, and the daily physical activity of older adults. The results indicated that adequate physical facilities and connectivity to the city were critical to older adults’ satisfaction with their neighborhoods. The mean walking time significantly dropped as the number of nearby facilities increased, and the number of facilities was negatively correlated with the daily activity levels of older adults. Thus, planners should attempt to calibrate the provision of neighborhood facilities to maintain the physical activity levels of older adults.
This study investigated the process of existing building green retrofits through examining a Leadership in Energy and Environmental Design for Existing Building: Operations and Maintenance (LEED EBOM) Gold project. The project demonstrated a standard green retrofit process for existing buildings, which includes energy auditing, building performance simulation, and measurement and verification. In this project, four energy conservation measures were applied to improve energy performance: light-emitting diode (LED) lighting, window films, green roofs, and chilled water plant upgrading and optimization. The expected energy saving was 30% after the retrofit; while the actual energy saving was 16%. The error of building performance simulation was one of uncertainties in this retrofit project. Occupancy conditions might be the main reason for this uncertainty. Strengths, weaknesses, opportunities and threats were identified and discussed for the green retrofit. The research results could be used to optimize the existing building retrofit process for better energy performance.
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