Public green remodeling is the only policy tool that exists right now for the building sector to achieve its 2030 national greenhouse gas emissions reduction target and carbon neutrality by 2050 to respond to climate change. Since 2020, green remodeling has only been supported for daycare centers, h...
Public green remodeling is the only policy tool that exists right now for the building sector to achieve its 2030 national greenhouse gas emissions reduction target and carbon neutrality by 2050 to respond to climate change. Since 2020, green remodeling has only been supported for daycare centers, health centers, and health and medical institutions that have been approved for use for more than 10 years. However, although these efforts must be made over a long period of time, knowledge of the energy-saving effects of green remodeling, the opinions of local government employees in charge of green remodeling projects, and knowledge about the deterioration of buildings are insufficient.
Therefore, this study was conducted to diagnose the current status of and problems with the green remodeling project through four research methods and derive improvement measures. The first research method was comparing domestic and foreign green remodeling policies and deriving implications. The second research method was analyzing the field survey results of the 1,065 buildings for which green remodeling support had been applied for in 2021 to determine their state of deterioration and derive implications. The third research method was conducting in-depth interviews with experts who participated in green remodeling project execution to identify problems with the system and how to solve them. The fourth research method was predicting the energy-saving effects of green remodeling through simulations of the 1,065 target buildings.
After synthesizing the results of these research methods, the problems identified were classified as being about laws and systems, design and construction, and operations and management. Plans for solving these problems to improve green remodeling project execution were proposed.
Three laws and systems improvement plans were proposed. The first was to clearly define old buildings and existing buildings, which were not distinguished in the green remodeling project, and to clarify green remodeling performance targets.
The second improvement plan is to expand the scope of buildings that can receive green remodeling support and make such remodeling mandatory to reduce regional differences in project execution rates.
The third improvement plan is to record each building’s green remodeling performance information in its ledger as part of mandatory energy performance disclosures to improve building management. In addition, support should be provided for increasing structural and fire safety and modular construction should be used to solve the problem of occupant relocation. Finally, local governments’ architectural administrations should evaluate green building projects after they are completed.
The design and construction improvement plan recommends different qualities for each building due to the absence of green remodeling energy design standards and performance targets.
In addition, energy savings are calculated through simulations which are difficult to change, so design changes and quick on-site decision-making is impossible. Eliminating this requirement will likely increase remodeling projects.
In the operations and management improvement plan, regular green remodeling education should be provided to project execution organization employees, such as those at local governments, and those at project-related organizations, such as design and construction companies, to increase awareness and understanding of green remodeling.
In addition, green remodeling chief architect systems should be developed for each local government to facilitate project execution, improve green remodeling quality, and strengthen local governments’ work and public support systems. In addition, local governments should be encouraged to participate in green remodeling and incentives should be offered reflecting the degree of local government and project manager participation and initiative in project execution.
This paper presents ways to improve the public green remodeling project that are related to systems and policy, design and construction, and operations and management. It is necessary to discuss how to apply new renewable technologies besides existing technologies such as light, solar heat, and geothermal heat power production technologies. In addition, it is difficult to relocate occupants during remodeling, such as those at health and medical institutions, so the demand for alternative space construction is increasing. Thus, additional research should be conducted on technologies that can facilitate this process. Green remodeling is a way to reduce the energy consumption of aging buildings and is the only way for them to achieve the national greenhouse gas reduction target by 2030 and carbon neutrality by 2050. Therefore, it is believed that this study can serve as fundamental data for green remodeling plans for subdivided public buildings in accordance with national policy strategies aimed at addressing climate change in the future.
Public green remodeling is the only policy tool that exists right now for the building sector to achieve its 2030 national greenhouse gas emissions reduction target and carbon neutrality by 2050 to respond to climate change. Since 2020, green remodeling has only been supported for daycare centers, health centers, and health and medical institutions that have been approved for use for more than 10 years. However, although these efforts must be made over a long period of time, knowledge of the energy-saving effects of green remodeling, the opinions of local government employees in charge of green remodeling projects, and knowledge about the deterioration of buildings are insufficient.
Therefore, this study was conducted to diagnose the current status of and problems with the green remodeling project through four research methods and derive improvement measures. The first research method was comparing domestic and foreign green remodeling policies and deriving implications. The second research method was analyzing the field survey results of the 1,065 buildings for which green remodeling support had been applied for in 2021 to determine their state of deterioration and derive implications. The third research method was conducting in-depth interviews with experts who participated in green remodeling project execution to identify problems with the system and how to solve them. The fourth research method was predicting the energy-saving effects of green remodeling through simulations of the 1,065 target buildings.
After synthesizing the results of these research methods, the problems identified were classified as being about laws and systems, design and construction, and operations and management. Plans for solving these problems to improve green remodeling project execution were proposed.
Three laws and systems improvement plans were proposed. The first was to clearly define old buildings and existing buildings, which were not distinguished in the green remodeling project, and to clarify green remodeling performance targets.
The second improvement plan is to expand the scope of buildings that can receive green remodeling support and make such remodeling mandatory to reduce regional differences in project execution rates.
The third improvement plan is to record each building’s green remodeling performance information in its ledger as part of mandatory energy performance disclosures to improve building management. In addition, support should be provided for increasing structural and fire safety and modular construction should be used to solve the problem of occupant relocation. Finally, local governments’ architectural administrations should evaluate green building projects after they are completed.
The design and construction improvement plan recommends different qualities for each building due to the absence of green remodeling energy design standards and performance targets.
In addition, energy savings are calculated through simulations which are difficult to change, so design changes and quick on-site decision-making is impossible. Eliminating this requirement will likely increase remodeling projects.
In the operations and management improvement plan, regular green remodeling education should be provided to project execution organization employees, such as those at local governments, and those at project-related organizations, such as design and construction companies, to increase awareness and understanding of green remodeling.
In addition, green remodeling chief architect systems should be developed for each local government to facilitate project execution, improve green remodeling quality, and strengthen local governments’ work and public support systems. In addition, local governments should be encouraged to participate in green remodeling and incentives should be offered reflecting the degree of local government and project manager participation and initiative in project execution.
This paper presents ways to improve the public green remodeling project that are related to systems and policy, design and construction, and operations and management. It is necessary to discuss how to apply new renewable technologies besides existing technologies such as light, solar heat, and geothermal heat power production technologies. In addition, it is difficult to relocate occupants during remodeling, such as those at health and medical institutions, so the demand for alternative space construction is increasing. Thus, additional research should be conducted on technologies that can facilitate this process. Green remodeling is a way to reduce the energy consumption of aging buildings and is the only way for them to achieve the national greenhouse gas reduction target by 2030 and carbon neutrality by 2050. Therefore, it is believed that this study can serve as fundamental data for green remodeling plans for subdivided public buildings in accordance with national policy strategies aimed at addressing climate change in the future.
주제어
#Public building System improvement,Carbon neutrality,Building energy saving Green Remodeling 그린리모델링 공공건축물 기존건축물 녹색건축계획 제도·정책 개선 탄소중립 건물에너지
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