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Assessment of Sustainable Design Strategies in Public Buildings

Abstract

The increasing environmental impact of the construction and operation of public buildings has created a growing need for sustainable design approaches. Public buildings such as schools, hospitals, government offices, libraries, and community facilities accommodate large numbers of people and often require substantial amounts of energy and resources for lighting, cooling, ventilation, water supply, and other services. The application of sustainable design strategies can help reduce energy consumption, improve environmental performance, and create healthier and more comfortable spaces for building occupants. This study assesses sustainable design strategies applied in public buildings and examines their contribution to improved building performance. Sustainable design involves the integration of environmental, economic, and social considerations into the planning, design, construction, and operation of buildings. Key strategies include energy-efficient building systems, natural ventilation, daylighting, appropriate building orientation, solar shading, sustainable materials, water conservation, renewable energy, and effective waste management. The appropriate combination of these strategies can improve resource efficiency while reducing the environmental impact of public buildings. Passive design strategies play an important role in improving the performance of public buildings. Proper building orientation can reduce unwanted solar heat gain and improve access to natural daylight and prevailing winds. Natural ventilation can improve indoor air movement and reduce dependence on mechanical cooling, while daylighting can reduce the need for artificial lighting during daytime hours. Solar shading devices, thermal insulation, appropriate glazing, and efficient building envelope systems can further contribute to improved thermal performance and occupant comfort. The selection of sustainable materials and resource-efficient systems is also important in public building design. Locally available and environmentally responsible materials can reduce transportation impacts and construction waste, while durable materials can reduce maintenance and replacement requirements. Water conservation measures, including rainwater harvesting and water-efficient fixtures, can reduce water demand. Renewable energy technologies, particularly solar energy, can also supplement conventional electricity supplies and improve the long-term energy performance of public buildings. Despite the potential benefits of sustainable design, its implementation in public buildings can be affected by factors such as limited funding, inadequate technical expertise, insufficient awareness, maintenance challenges, and weak enforcement of building standards. The effectiveness of sustainable strategies can also depend on building type, location, climatic conditions, occupancy patterns, and management practices. Therefore, sustainable design strategies need to be carefully selected and integrated according to the functional and environmental requirements of individual public buildings. This study assesses selected sustainable design strategies in public buildings and examines their effects on energy efficiency, thermal comfort, resource conservation, and overall building performance. The study is expected to identify commonly applied strategies, their potential benefits, and challenges associated with their implementation. The findings will provide useful information for architects, engineers, facility managers, government agencies, developers, and policymakers involved in the planning and management of public buildings. The study may contribute to the development of more energy-efficient, environmentally responsible, and comfortable public buildings.

Keywords: Sustainable design, Public buildings, Energy efficiency, Building performance, Thermal comfort, Natural ventilation, Daylighting, Solar shading, Renewable energy, Sustainable materials, Water conservation, Waste management, Passive design, Environmental sustainability.