Relevant bibliographies by topics / Historic buildings Conservation and restoration

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Historic buildings Conservation and restoration'

Author: Grafiati
Published: 4 June 2021
Last updated: 29 July 2024

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Journal articles on the topic "Historic buildings Conservation and restoration"

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Šekularac, Nenad, Jelena Ivanović-Šekularac, Aleksandar Petrovski, Nikola Macut, and Milan Radojević. "Restoration of a Historic Building in Order to Improve Energy Efficiency and Energy Saving—Case Study—The Dining Room within the Žiča Monastery Property." Sustainability 12, no. 15 (August 4, 2020): 6271. http://dx.doi.org/10.3390/su12156271.

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A proper systematic approach to the restoration of historic buildings is crucial in the preservation of heritage buildings. This paper presents the unity between the restoration of a historic building and sustainability. The aim of the research is to establish an effective method for the restoration of historic buildings and their reuse and sustainable renovation in terms of energy efficiency, in accordance with modern needs and conservation requirements while maintaining the authentic appearance. The main method in the paper is the observation of a historic building during its restoration and exploitation, analysis and evaluation of the results achieved in improving energy efficiency and energy saving in the example of the building within the Žica Monastery in Serbia, a cultural monument of exceptional importance. The subject of the research is the Dining Room within the Žiča Monastery and the analysis of the restoration results in order to ensure energy refurbishment and cultural heritage enhancement. The research findings are recommendations for the restoration and adaptive re-use of historic buildings, in accordance with modern requirements for comfort and environmental protection. The greatest contribution of this paper is the practical verification of energy refurbishment of the restored historic building, the Dining Room, by applying the principles and measures of energy efficiency, maintaining the authentic appearance of the building, in accordance with the conservation requirements.
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Sekularac, Nenad, Dragoslav Sumarac, Jasna Cikic-Tovarovic, Milos Cokic, and Jelena Ivanovic-Sekularac. "Re-use of historic buildings and energy refurbishment analysis via building performance simulation: A case study." Thermal Science 22, no. 6 Part A (2018): 2335–54. http://dx.doi.org/10.2298/tsci171124089s.

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This paper analyses the possibility to apply energy refurbishment measures in restored historic buildings in order to ensure reuse. The objective of the paper is to provide an appropriate methodology for the structural restoration of historic buildings, their re-use and sustainable energy refurbishment in accordance with current needs and conservation principles. The study provides the analysis and evaluation of the realized goals regarding energy refurbishment and energy efficiency. The presented historic buildings belong to Hilandar Monastery, Mount Athos, Greece. Mount Athos has been listed in UNESCO World Heritage Site for decades. The paper deals with the expert analysis of abandoned and devastated structures included in the Haybarn Complex. This paper provides a positive outcome of the performed restoration in terms of energy refurbishment and repurpose, since these buildings were turned into unique accommodation facilities for visitors. This accomplishment can be seen as a useful recommendation for improving energy efficiency of historic buildings during their restoration. All the undertaken methods are in accordance with the environmental protection requirements. This study is a practical observation and analysis of energy refurbishment in the field of restoration of listed buildings. This certainly is the most important contribution of this paper. All energy efficiency measures and renewable energy sources were carried out in compliance with conservation requirements and visual authenticity of historic structures. Assessment and analysis of energy efficient refurbishment via building performance simulation method and energy efficiency optimization was applied to several different models of restoration that was carried out in the Haybarn Complex.
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Shivsankar, Krishna, Allyson Stoll, PhD, and Omar Bission. "Conservation of Historic Buildings in Georgetown, Guyana." Book of Abstracts: Student Research (URC22 Special Edition) 3 (May 18, 2022): 38. http://dx.doi.org/10.52377/nyqi8964.

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This study examines the challenges involved in the conservation of these wooden edifices and their implications for the preservation of other wooden heritage structures. The research is based on a case study of three historic timber buildings in Georgetown: the Georgetown Cricket Pavilion, which is in a state of disrepair; City Hall, which is currently undergoing major rehabilitation; and St. George’s Cathedral, which recently underwent restoration.
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Ivanovic-Sekularac, Jelena, Jasna Cikic-Tovarovic, and Nenad Sekularac. "Restoration and conversion to re-use of historic buildings incorporating increased energy efficiency: A case study - the Haybarn complex, Hilandar Monastery, Mount Athos." Thermal Science 20, no. 4 (2016): 1363–76. http://dx.doi.org/10.2298/tsci160208131i.

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A proper approach to restoration of historic buildings is crucial for monumental heritage protection. The objective of the paper is to define a methodology for historic buildings restoration in order to increase energy efficiency and re-usability in accordance with modern standards. The main method used in the paper is the observation of historic buildings during their restoration and exploitation, analysis and evaluation of achieved results regarding energy efficiency and energy saving, through the examples of the buildings belonging to Hilandar Monastery, Mount Athos, in Greece. Mount Athos was inscribed on the UNESCO World Heritage List for its cultural and natural values. This case study discusses the abandoned and dilapidated historic buildings of the Haybarn Complex (Stable, Mulekeepers? House and Haybarn), the achieved results regarding the restoration of these buildings, their energy efficiency and turning into the premises for occasional stays. The research results are recommendations for increasing energy efficiency while performing the restoration of historic buildings, so that these buildings could be re-used in a new way. The most significant contribution of the paper is the practical test of energy refurbishment of these historic buildings conducted using the principles and methods of energy efficiency, in compliance with conservation requirements and authenticity of historic buildings.
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Min, Sang A., Sang Ok Lee, and Kwang Yong Chung. "The Reuse Methods of Traditional Metal Hardware for Reinforcing the Structure of Korea Traditional Wooden Building." Journal of Conservation Science 38, no. 5 (October 31, 2022): 444–59. http://dx.doi.org/10.12654/jcs.2022.38.5.08.

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This study aims to provide basic data for actual heritage conservation areas by suggesting the reuse method of materials from wooden historic buildings. This research may contribute to an increase in the utilization of materials for stabilizing the structure of wooden historic buildings. The data were collected by applying heating, tapping, and heat treatment based on the pattern and extent of the damage of iron nails acquired from wooden historic buildings. To make a comparison before and after processing, morphological characteristics and physical properties were measured using a metallurgical analysis. According to these data, we can infer that the possibility of reuse of historic iron materials could be raised in the restoration process of historic buildings such as existing building components and roof tiles. If the research is to move forward, authenticity will be fostered in architectural heritage conservation.
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Šekularac, Nenad, Nevena Debljović Ristić, Dušan Mijović, Vladica Cvetković, Slobodan Barišić, and Jelena Ivanović-Šekularac. "The Use of Natural Stone as an Authentic Building Material for the Restoration of Historic Buildings in Order to Test Sustainable Refurbishment: Case Study." Sustainability 11, no. 15 (July 24, 2019): 4009. http://dx.doi.org/10.3390/su11154009.

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This study deals with the integrated process of conservation and restoration of architectural heritage and sustainability. The objective of the research was to define adequate methodologies for the structural restoration of historic buildings, their re-use, and sustainable refurbishment in accordance with modern requirements and conservation standards while maintaining the original visual character by using natural stone as an authentic building material. The main research method was the in-situ observation of the historic structures during the restoration and adaptive re-use, the analysis, and evaluation of the research findings regarding energy efficiency improvements and energy saving in the Haybarn complex within the monastery Hilandar, Mount Athos, Greece. Due to its cultural and natural values, Mount Athos has been inscribed on the UNESCO World Heritage List. The research included the damaged and abandoned agricultural structures that belong to the Haybarn complex and the analysis of the obtained results after the restoration had finished and the abandoned premises had been turned into guest rooms for the visitors of Hilandar monastery. The result section states the findings of the research arranged as recommendations for historic building restoration and re-use, emphasizing their new function in accordance with modern comfort requirements and environmental protection standards. The main contribution of this study is the analysis of the research findings and the possibilities of energy refurbishment of the restored historic buildings, through the use of natural stone as authentic local construction material, in accordance with energy efficiency measures and principles, conservation requirements and cultural heritage conservation standards.
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Roca, Pere. "Restoration of historic buildings: conservation principles and structural assessment." International Journal of Materials and Structural Integrity 5, no. 2/3 (2011): 151. http://dx.doi.org/10.1504/ijmsi.2011.041932.

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Karakul, Özlem. "Sculptural reproduction of architectural ornamentation as a way for conservation of traditional craftsmanship." Global Journal of Arts Education 8, no. 1 (April 3, 2018): 17–27. http://dx.doi.org/10.18844/gjae.v8i1.3253.

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Traditional craftsmanship as a part of intangible cultural heritage needs to be conserved as defined in the UNESCO 2003 Convention and Living Human Treasures System. In architecture, traditional craftsmanship is embodied on architectural ornaments in historic buildings by local builders; and the conservation of it necessitates its transmission process from generation to generation. In the traditional building production period, the transmission process had been guaranteed by master–apprentice relation, but nowadays, it has been interrupted together with the drastic change in building technology; and the knowledge, skills of building craftsmen and cultural expressions This creates problems both in the conservation of traditional craftsmanship in building activities and in the restoration process of historic buildings. This study aims to develop a specific conservation approach by revitalising the methods of study of building craftsmen through the reproduction process of architectural ornaments in monumental stone buildings by sculptures in the Faculty of Fine Arts in Selcuk University. Keywords: Traditional craftsmanship, architectural ornamentation, reproduction, intangible heritage, conservation.
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Friska, Amalia, and Savitri Mila Andria. "Conservation methods of the interior heritage building in the process of architectural culture preservation." E3S Web of Conferences 426 (2023): 02121. http://dx.doi.org/10.1051/e3sconf/202342602121.

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The conservation of heritage architecture buildings is becoming more popular and significant, as there is a growing interest in changing city growth while conserving identity. One strategy for maintaining a heritage building’s identity is to modify the building’s uses, which we reveal based on prior expert-authored publications. However, five conservation methods are worth elaborating on in order to conduct the cultural preservation of heritage buildings in Indonesia. In this study, we assess the existing experience of conservation methods in many heritage buildings in Indonesia and consider the concepts of preservation, maintenance, restoration, reconstruction, and adaptation in practice. When Henry Maclaine Pont designed the Barakgebouw building in 1920, those conservation techniques had been successfully used. Bandung Institute of Technology’s West Hall is currently often referred to as Technische Hoogheschool Bandung. The practical value of his architectural work is found in the integration of the research findings into contemporary architectural practice and regional indigenous vernacular heritage, particularly in the cultural preservation of Indonesian historic structures. This research was expected to be crucial for subsequent studies on Indonesian heritage buildings’ interior conservation techniques.
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Jadhav, Shruti, and M. B. Kurnthekar. "Study of Restoration of the Historic Building." Journal of Recent Activities in Architectural Sciences 7, no. 1 (June 23, 2022): 28–34. http://dx.doi.org/10.46610/joraas.2022.v07i01.005.

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Thousands of years have passed since the construction of historic buildings or monuments, and they are often the most enduring and well-known symbols of former civilizations. It is vital that these national emblems of cultural and historical significance be preserved for future generations. Each heritage structure has its own distinctive characteristics and aesthetic finishes, as well as its own set of conservation concerns that necessitate innovative solutions. Pollution, age, fire, catastrophic occurrences such as earthquakes, floods, tsunamis, cyclones, soil-structure interaction (soil settlement, etc.), structural flaws, and a variety of other variables all contribute to the degradation of structures. Historic buildings are important monuments, thus this will be a severe setback for the country. It is critical to choose the right technique for restoration based on the parent structure's look. The new techniques must be compatible with the structure. This paper focuses on such challenges and corrective techniques to solve them while keeping the cultural integrity of the structure.
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Dissertations / Theses on the topic "Historic buildings Conservation and restoration"

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Zheng, Qilin, and 郑琪琳. "Architectural heritage conservation in China." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2011. http://hdl.handle.net/10722/194618.

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As a contribution to econometric research on the role of architectural heritage, this dissertation evaluates non-aggregate data for a total of 2142 designated National Priority Protected Sites (NPPS) in China using hedonic model and ordered probit model. Attempting to verify economic costs of conserving architectural heritage sites in China, the objectives of the dissertation are to find out the grading system of NPPS; to compare the monetary value and non-monetary value methods on architectural heritage conservation; to identify the current criteria of national heritage conservation maintenance funding (NHCMF) allocation for the NPPS; and to select and evaluate the key factors of NHCMF allocation for the NPPS. The research question of this dissertation is: “what are the decision criteria of NHCMF allocation in China?”. The dissertation conceives of one general hypothesis and 17 empirical hypotheses. The general hypothesis is based on the maintenance funding and grading system of each conservation project. The empirical hypotheses are generated from possible determined factors of NHCMF allocation, theories of sustainable development, economic value and heritage value. Based on the real market information, 7 factors have been identified as the determined factors of NHCMF allocation of NPPS. They are “average household income”, “annual economic benefit”, “average personal salary”, “population”, “ticket”, “types modern building” and “types revolutionary sites”. Of these 7 factors, on the one hand, “average household income”, “annual economic benefit”, “population”, “entry ticket fee” and “types (revolutionary sites)” have positive relationship with the maintenance cost. The positive relationship result implies that the revolutionary sites locate in economic developed area with more population and higher entry ticket fee are more likely to get more maintenance funding. On the other hand, “average personal salary” and “types (modern buildings)” have negative relationship with maintenance funding. The negative relationship result reflects that modern buildings of NPPS with higher average personal salary are less likely getting more maintenance funding. Based on the hypothetical market data, 4 factors have been identified as the determined factors of NHCMF allocation of NPPS. The factors of “population and “annual economic benefit” have the same relationship with monetary market data. The “maintenance funding” and “original usage” have negative relationship with grading system.
published_or_final_version
Real Estate and Construction
Doctoral
Doctor of Philosophy
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Gause, George L. "The university district : a handbook for the conservation and propagation of the college campus as a historic district." Virtual Press, 1994. http://liblink.bsu.edu/uhtbin/catkey/902488.

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This creative project explains the process of creating and administering a university historic resource district. Objectives of this district are protection, planning, and promotion of important campus elements, both manmade and natural. The aim of the university historic resource district is the preservation of historic structures, stimulation of pride, and the possibility of the resolution of preservation - based conflicts.The campus is first inventoried to identify the resources available. Once completed, the inventoried information is evaluated. Findings are then mapped and areas of prime concentration identified.Guidelines are then established, providing a basis to improve and protect the campus character. Preservation of the dominant characteristics and unifying elements of the campus is the main focus of the guidelines.The district would be administered by an advisory committee with broad representation. The committee would review projects that the university proposes and make recommendations based on guidelines or relevant criteria.The university district is predicated on the theory that by allowing outside involvement and arriving at decisions through consensus, university users will not feel powerless toward campus decisions. The resulting cooperative effort would be beneficial to the university users, the community at large, and the university administrators.
Department of Architecture
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Anthony, David. "Movers and shakers : the affects of vibrations on historic structures." Virtual Press, 1997. http://liblink.bsu.edu/uhtbin/catkey/1041912.

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Preservationists and historic sites managers need to be aware of the affects of excess man-made vibrations on historic structures. The purpose of this creative project is to examine those affects and identify some methods to mitigate them. To write this project, it was necessary to search through available literature identifying past research and studies on this subject. Research was culled from various sources examining the affects of vibrations on new and historic structures and are presented here in one volume.The affects of vibrations on historic structures is not a subject that is well represented in preservation or structural engineering literature. The information currently available is scattered through various sources. Thus, there is the lack of a single reference examining the affects of vibrations on historic structures. This project is meant to be used as a reference for historic preservationists, house museum curators, and historic sites managers who seek information about vibration effects and possible solutions to their vibration problem.
Department of Architecture
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Zhang, Yi, and 張怡. "Xi'an Muslim Quarter: opportunities and challenges for public participation in historic conservation." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2008. http://hub.hku.hk/bib/B42188908.

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Gonzales-Cosby, Cindi. "Design guidelines for the West Eighth Street historic district and West Central historic district in Anderson, Indiana." Virtual Press, 1995. http://liblink.bsu.edu/uhtbin/catkey/941694.

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This creative project has been initiated and researched out of the need for development of historic district guidelines for Anderson, Indiana's wonderous West Eighth Street and West Central Historic Districts. This study included the consultation, involvement and approval of the Anderson City Planning Department, the Anderson Historic Preservation Commission and district residents.In addition, this guideline document has intended to be used as a reference and resource tool in the legal development of district control of regulations and enforcement procedures. The purpose of this project has been to protect the integrity and maintain the character of Anderson's districts while providing education as to the importance and value of preserving our historical treasures.
Department of Urban Planning
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Nicolay, John. "Historic preservation: a study in local public administration." Diss., Virginia Tech, 1991. http://hdl.handle.net/10919/27843.

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Do citizen volunteers, sitting on legislatively created local historic architectural review boards, represent a part of the American governance tradition? This study examines the relationships between public board members, citizen interests, career public administrators and the elected appointing authorities. This research involved a national survey of over 1200 members of boards of historic architectural review. In addition, four town or county case studies are presented in detail. These case studies are Jonesborough, Tennessee; Lynchburg, Virginia; Cobb County, Georgia; and Gettysburg, Pennsylvania. These case studies are examined through an ecological perspective. Within the context of this study, boards of historic architectural review are very much a part of the urban/town/county governance model. They are highly professional in their composition, highly egalitarian, and deeply committed to furthering highly individualistic notions of community. Although some national community studies suggest a malaise in communitarian ideals, this research suggests just the contrary. The failure of citizenship falls more upon the legitimacy accorded to citizens as public administrators rather than an apathy toward manifesting that citizenship. Historic preservation itself is in a national state of disarray. Its ethos is poorly defined, and the national wellspring for preservation impetus to the local community is strained. Most communities find themselves struggling to fit a nostalgic, sentimental vision of the preserved environment into a well articulated economic model. This research suggests that local historic architectural review boards need to draw upon themselves to create better opportunities through self-study and formal certification programs. By enhancing their natural reserves of professionalism and commitment, they will advertise what they already do very well: administer in the public interest. By joining with like-minded community-based public boards this new coalition promises a energy and direction for municipal governments. The key is to foster an open environment of dialogue and debate centered on furthering good, responsive government.
Ph. D.
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Mullins, Anne Kreger. "How to revitalize a historic downtown after the tax reform." Thesis, Georgia Institute of Technology, 1987. http://hdl.handle.net/1853/22986.

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Slabbert, Barend Petrus. "The impact of contemporary exhibitions in historical buildings: Retaining significance and authenticity during adaptation." Thesis, Cape Peninsula University of Technology, 2015. http://hdl.handle.net/20.500.11838/2408.

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Thesis (MTech (Design))--Cape Peninsula University of Technology, 2016.
Historical interiors hold within them significance which provides us with cultural identity, as well as historical and aesthetic value, and their physical materials offer us a connection to the past. These interiors and their functions often become obsolete and need to acquire a new function that is more suited to our modern-day society. One such change in function which was identified to be steadily on the rise in Cape Town is the reappropriation of historical interiors into contemporary exhibition venues. It was noted that during this process many of these historical interiors end up as neutral contemporary white boxes, where the whole historical interior is replaced or concealed by a pristine white interior and this leads to a loss of its internal historical aesthetic value. To counter this and to retain the significant aesthetics of these interiors for ourselves and our future generations, heritage legislation offers a certain amount of protection through their respective guidelines and principles during adaptation. However, these guidelines do not offer concrete methods on the responsive adaptation of historical interiors into contemporary exhibition spaces. To address this problem and provide a substitute for the white box, alternative methods for the responsive adaptation of the historical interior into a contemporary exhibition space are highlighted and investigated. Through this investigation, this study aims to provide responsive approaches which interior designers may adopt during adaptation that respect, acknowledge and highlight the significance of the reappropriated space in the design of contemporary exhibition venues.
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White, John. "Modernity, significance and conservation practice : thesis on the relationship between cultural theory and conservation and practice." Thesis, The University of Sydney, 1991. https://hdl.handle.net/2123/26429.

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At first sight, modernity and conservation practice may seem to be an unlikely conjunction. Conservation is concerned with the practical details of preserving objects of the past, while modernity, as a climate of thought, relates to the present and to aspirations and concerns for the future. However, conservation, as a concern of the present, is directed to preserving objects of the past as a bequest to the future. Modernity, in turn, is a way of thought, whose origins are deeply imbedded in the past and in a history of thinking which conditions how we look at the world and our culture today. The key element, unifying theory and practice, is the question of what should be conserved and what may be accepted as being of no value to the future. The conservation of structures, buildings and places is based on a critical appraisal of significance. The importance of cultural significance is recognised in the ‘Burra Charter which is an agreement on the code of ethics, objectives and methods of practice for professionals engaged in conservation in Australia. The recognition of sigmificance is fundamental to conservation practice. The way we determine significance by objectifying the environment is' a problem, which modernity not only poses, but also conditions by developing culture in the act of naming, coding and classifying the past. Much has been written about the dileumas of culture in recent years. The critique of modernity has taken many fronts. For example, current consciousness challenges thoughts on the consequences of the consumption of. natural resources on a world—wide ecological basis .‘ This thesis attempts to explore relevant aspects of the critique; and to ask how it relates to theory and practice in the conservation of the historic environment. The area of cultural theory which is discussed, offers visions of culture which are different to those which bind the, often narrow and over-objectified, approach to planning and regulating environmental change. Six different perspectives are constructed to relate the concerns of sigrificance in modernity and the concerns of conservation practice. These are concerned with; the historic parallels between conservation and modernity; the classification of significance; visibility and authority; associations and image; narratives and rationalities; and the problem of authenticity in practice. The thesis taps the underlying critiques which offer alternative perspectives on cultural significance and conservation practice. Several perspectives are explored including phenomenolog', hermeneutics, semiotics, post-structuralism and other critical theories which draw on the works of Hegel, Heidegger, Benjamin, Merleau—Ponty, Barthes, Foucault, de Certeau, Bourdieu and Habermas among others. Conclusions are drawn with reference to case studies from Qaeensland.
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譚士偉 and Si-wai Kenneth Tam. "Conservation planss for Kom Tong Hall." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2004. http://hub.hku.hk/bib/B31464075.

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Books on the topic "Historic buildings Conservation and restoration"

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Feilden, Bernard M. Conservation of historic buildings. Oxford: Butterworth Architecture, 1994.

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Ashurst, Nicola. Cleaning historic buildings. London: Donhead, 1994.

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Great Britain. Department of the Environment. Historic buildings and conservation areas. London: Department of National Heritage, 1993.

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1951-, Forsyth Michael, ed. Historic building conservation I: Understanding conservation. Oxford, UK: Blackwell, 2007.

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Michael, Forsyth. Understanding Historic Building Conservation. New York: John Wiley & Sons, Ltd., 2008.

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Park, Sharon C. Mothballing historic buildings. [Washington, D.C.?]: U.S. Dept. of the Interior, National Park Service, Cultural Resources, Preservation Assistance, 1993.

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1951-, Forsyth Michael, ed. Materials & skills for historic building conservation. Oxford, UK: Blackwell Pub., 2007.

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United States. National Park Service., ed. "Historic preservation" and "historic properties.". [Washington, D.C.?: National Park Service], 1988.

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Curtis, John Obed. Moving historic buildings. Nashville, Tenn: AASLH Press, 1988.

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Michael, Forsyth. Structures & Construction in Historic Building Conservation. New York: John Wiley & Sons, Ltd., 2008.

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Book chapters on the topic "Historic buildings Conservation and restoration"

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Bajto, Jelena Šantek, Nina Štirmer, and Ana Baričević. "Restoring Historical Buildings Amid Climate Crisis: Hydraulic, Waste-Based Lime." In Conservation and Restoration of Historic Mortars and Masonry Structures, 359–73. Cham: Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-31472-8_28.

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Rocha, Eudes, and Arnaldo Carneiro. "A Discussion on Service Life Prediction Methodologies for External Mortar Cladding in Historic Buildings." In Conservation and Restoration of Historic Mortars and Masonry Structures, 120–30. Cham: Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-31472-8_10.

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Tedeschi, Cristina, and Maria Cecilia Carangi. "Evaluation of Physical and Mechanical Parameters in Commercial NHL-Based Green Plaster for the Preservation of Historical Buildings." In Conservation and Restoration of Historic Mortars and Masonry Structures, 227–39. Cham: Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-31472-8_18.

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Marques, Ana Isabel, Maria do Rosário Veiga, António Santos Silva, João Gomes Ferreira, and Paulo Xavier Candeias. "Analysis of the Behavior of Original Air Lime Mortars Used in Structural Brick Masonry Walls of Ancient Buildings." In Conservation and Restoration of Historic Mortars and Masonry Structures, 66–81. Cham: Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-31472-8_6.

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Veiga, Maria do Rosário, and Ana Rita Santos. "The Challenge on Development of Repair Mortars for Historical Buildings in Severe Marine Environment: Paimogo Fort, A Case Study." In Conservation and Restoration of Historic Mortars and Masonry Structures, 507–22. Cham: Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-31472-8_41.

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White, Philip. "Paradise Restored - a Case Study Exploring the Restoration of Three of Hestercombe's Period Gardens." In Gardens & Landscapes in Historic Building Conservation, 345–56. Oxford, UK: John Wiley & Sons, Ltd, 2014. http://dx.doi.org/10.1002/9781118508107.ch35.

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Boularand, Sarah, Marcello Turci, and Philippe Bromblet. "Mineral, Chemical and Petrographic Characterization of Hydraulic Mortars & Chronological Building Correlation of the Baths of Porta Marina in Ostia Antica (Italy)." In Conservation and Restoration of Historic Mortars and Masonry Structures, 82–96. Cham: Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-31472-8_7.

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Stenning, Adrian, and Geoff Evans. "Costing and Contracts for Historic Buildings." In Understanding Historic Building Conservation, 175–84. Oxford, UK: Blackwell Publishing Ltd, 2008. http://dx.doi.org/10.1002/9780470691823.ch15.

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Winter, John. "Conserving Buildings of the Modern Movement." In Understanding Historic Building Conservation, 96–106. Oxford, UK: Blackwell Publishing Ltd, 2008. http://dx.doi.org/10.1002/9780470691823.ch8.

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Forsyth, Michael. "Conservation of Garden Buildings." In Gardens & Landscapes in Historic Building Conservation, 67–78. Oxford, UK: John Wiley & Sons, Ltd, 2014. http://dx.doi.org/10.1002/9781118508107.ch7.

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Conference papers on the topic "Historic buildings Conservation and restoration"

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Traykova, Marina, and Alexander Traykov. "Conservation of historical buildings – concepts and details." In IABSE Congress, Ghent 2021: Structural Engineering for Future Societal Needs. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2021. http://dx.doi.org/10.2749/ghent.2021.1738.

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<p>Conservation engineering is a relatively new and exciting field. Engineers are still educated today mainly oriented to new construction, but the modern understanding is to preserve the heritage and to plan the appropriate interventions on historic structures. Finding the potential for future use of heritage buildings is an act of sustainable development. Extending their service life leads to an appreciation of the art of structural engineering. The paper aims to present the basic concepts of the contemporary methodology for conservation of historical buildings/structures, how to understand the behavior of the structure through some basic details, how to proceed in case of modern adaptation for the contemporary conditions and how to make better appraisal of its potential for the future. Examples of analysis of structural systems and details and the possibilities for restoration and reinforcement of historical structures for vertical and seismic actions are considered.</p>
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Traykova, Marina, and Alexander Traykov. "Conservation of historical buildings – concepts and details." In IABSE Congress, Ghent 2021: Structural Engineering for Future Societal Needs. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2021. http://dx.doi.org/10.2749/ghent.2021.1738.

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<p>Conservation engineering is a relatively new and exciting field. Engineers are still educated today mainly oriented to new construction, but the modern understanding is to preserve the heritage and to plan the appropriate interventions on historic structures. Finding the potential for future use of heritage buildings is an act of sustainable development. Extending their service life leads to an appreciation of the art of structural engineering. The paper aims to present the basic concepts of the contemporary methodology for conservation of historical buildings/structures, how to understand the behavior of the structure through some basic details, how to proceed in case of modern adaptation for the contemporary conditions and how to make better appraisal of its potential for the future. Examples of analysis of structural systems and details and the possibilities for restoration and reinforcement of historical structures for vertical and seismic actions are considered.</p>
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Kömürcü, Esranur, and Nuray Benli Yıldız. "Historic Building Information Modelling (HBIM)." In 4th International Conference of Contemporary Affairs in Architecture and Urbanism – Full book proceedings of ICCAUA2020, 6-8 May 2020. Alanya Hamdullah Emin Paşa University, 2021. http://dx.doi.org/10.38027/iccaua2021tr0072n25.

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Cultural heritage conservation and restoration work is a complex process that includes documentation, data collection, interpretation and production. By integrating the BIM (Building Information Modeling) methodology into this process, the concept of HBIM (Historic Building Information Modeling) has been formed. In this article, the progress of this process with the HBIM methodology in the restoration, protection and management studies of cultural heritage buildings and sites requiring collective and holistic work, the evaluation of access to the information obtained, and the provision of interdisciplinary information exchange were analyzed. By using the SWOT analysis method, the opportunities and threats offered by using the HBIM working methodology were evaluated and the strengths and weaknesses of the HBIM technology were determined. As a result of the SWOT analysis, it has been determined that the HBIM application will positively contribute to the heritage structures and increase in the direction of potential opportunities by eliminating the weaknesses.
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Vitti, Paolo. "Lessons from the past, architecture for the future. Coupling historic preservation with sustainable architecture." In HERITAGE2022 International Conference on Vernacular Heritage: Culture, People and Sustainability. Valencia: Universitat Politècnica de València, 2022. http://dx.doi.org/10.4995/heritage2022.2022.15641.

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Restoration of built heritage can serve not only to preserve historical documents of the past but also to provide models for new sustainable architecture. Vernacular and, more generally, historic architecture is by its nature sustainabile and resilient. It is largely the result of experience and acquired knowledge, and shows how local resources can be used in a thoughtful and rational way in new construction. For this reason, it can inspire low-energy solutions necessary to address the current climate crisis. Conservation projects, in their turn, allow us to analyze the fabric of historic buildings, to understand which materials were used, how they were transformed and assembled, and how they offered the best response to the needs of use and resistance to the elements and natural hazards. In this paper, conservation of traditionaly-built architecture and new sustainable architecture are discussed as two partners pursuing the common goal of reducing the effects of climate change. The author investigates the way conservation and analysis of historic buildings allows us to interpret the complex and articulated reality of regional architecture. By retrieving the analysis of historic construction as a fundamental component for understanding architecture and adopting manual graphic records as a tool for expressing the complexity of the fabric of a building, it is possible to identify local building traditions and inspire new sustainable architecture.
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Russo Krauss, Giovanna, Raffaella Bosso, and Barbara Balbi. "Historic tuff masonry in Naples: different approaches to its conservation." In HERITAGE2022 International Conference on Vernacular Heritage: Culture, People and Sustainability. Valencia: Universitat Politècnica de València, 2022. http://dx.doi.org/10.4995/heritage2022.2022.15053.

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Tuff, a sedimentary rock made of volcanic ash, is a traditional building material in the Campania region. Since its foundation Naples’ architecture, whether monumental or vernacular, has been erected in tuff masonry and only the arrival of concrete and steel has meant its downfall. Due to the soft nature of tuff, traditionally the building material was designed to be covered by plaster and very few and monumental architectures, by selecting and sculpting to the purpose the rock, were designed to be fair-faced. In years the exposition to natural and artificial degradation agents has brought a wide variety of deterioration phenomena both on the fair-faced tuff masonry and the ones that had lost plaster. In approaching the restoration of these architectures, the conservator is faced with a challenging task. This is due to the difficulty of balancing the pursue of minimum intervention and authenticity respect, the conservation of the historic consolidated image of the architecture and the necessity of using the best restoration techniques that guarantee the highest conservation of the material in future years, with particular regard to bio-compatible and sustainable materials both for operators and the environment. By analyzing the restoration of various architectures, both archaeological and modern, the paper will address this difficult task and the different decisions made by the conservators in relation to the monuments’ nature, identity, history and status of conservation. The paper is based on a multidisciplinary approach due to the contribution of the expertise of an architect, a restorer and an archaeologist.
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García Valldecabres, Jorge Luis, Luis Cortés Meseguer, and Pablo Ariel Escudero. "The Common Data Environment in Monument Master Plans." In HEDIT 2024 - International Congress for Heritage Digital Technologies and Tourism Management. Valencia: Universitat Politècnica de València, 2024. http://dx.doi.org/10.4995/hedit2024.2024.17737.

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This contribution addresses the digital twin's shared data environment (CDE) role in Master Plans of Monumental Buildings. The essential objective is the preservation of immovable properties for future generations. Researchers in the cultural heritage field have used digital tools to document historic buildings and preserve them infinitely digitally. The question is whether the digital twin and its application can help achieve sustainable building and environment management.The primary document will always be the building itself. However, within conservation, restoration, or maintenance, it is necessary to have an extensive documentary archive where interventions are recorded. The older the monument, the greater the knowledge of the built element must be acquired before any intervention, which requires much time in previous research. Technological advancements and digital repositories make it easier to create digital platforms within Heritage Building Information Modelling (HBIM) because we work with historic buildings.The digital twin is a shared data environment and is a management and recovery tool for architectural heritage. To develop this work, it has been necessary to collaborate with expert stakeholders involved in the management of buildings throughout their life cycles.
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Ciaffoni, Valentina, and Patricio R. Orozco Carpio. "Restoration Site sheet GIS: Use of Digital Tools for Collecting Data on Heritage Site intervention." In HEDIT 2024 - International Congress for Heritage Digital Technologies and Tourism Management. Valencia: Universitat Politècnica de València, 2024. http://dx.doi.org/10.4995/hedit2024.2024.17759.

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This contribution aims to illustrate the author's research work within the research group HBIMSIG-Turismo at the Universitat Politècnica de València. The research between Rome and Valencia connects two investigative realities in different fields and locations through an exchange and collaboration. The investigation intends to define a digital methodology for recovering the knowledge emerging from restoration site interventions on “widespread” cultural heritage. Conservation interventions represent fundamental moments in the history of buildings as they allow for a direct understanding of the material reality of the asset. Therefore, preserving the memory of these interventions is crucial to ensuring thorough and updated knowledge of the heritage and for the virtuous management of future interventions on the asset. The illustrated case study is situated in the historic centre of the city of Rome, in the ancient Rione Parione. The protection of widespread private heritage is extremely complex in this tourist area. The interventions subject to archiving involve the external surfaces of two buildings that are part of a vast and varied heritage within the multi-layered historic city. The authors have defined an operational tab called the Restoration Site sheet to collect and share information related to these interventions. This digital database guides the user in filling it out. Sharing the research group's experience regarding the tourist management of the public space adjacent to the Cathedral of Valencia has enabled the integration of the digital Restoration Site sheet within a georeferenced GIS model. This work illustrates the methodology used to integrate geometric-spatial data into a semantic model (database) designed to meet a specific need: preserving the memory of conservation site interventions on cultural heritage.
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Tahmasebiboldaji, Nahid, Mehdi Savary, and Soheyl Sazedj. "TYPOLOGICAL STUDY OF TRADITIONAL HOUSES OF SEMNAN CITY." In International Urban Planning Research Seminar. Universitat Politècnica de Catalunya, Grup de Recerca en Urbanisme, 2024. http://dx.doi.org/10.5821/siiu.12709.

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In Semnan, there are several valuable historic buildings that, despite their diversity and innovative nature, have a standard and unbreakable identity. With their erosion and degradation, their architecture and construction are rapidly being destroyed and forgotten. Therefore, a multifaceted study of these buildings is essential to recognize the patterns of building homes as the primary focus of development, relying on valuable samples mostly dating back to the Qajar and Pahlavi dynasties. In this research, forty historic houses in Semnan have been studied and analyzed in terms of climate, culture, geometry, form, spatial communication, structure, and all architectural elements that are the basis of the formation of the patterns of these houses. It was realized that architectural designs and constructions of these houses had undergone fundamental changes over time based on changing social conditions and habits of life. Traditional houses were studied in three specified periods, including before the reign of Naser al-Din Shah Qajar, from the power of Naser al-Din Shah to the early reign, and Pahlavi. By reviewing all the details of historical houses and categorizing them we will achieve a guideline for providing conservation and restoration projects in the historical context of Semnan. Keywords: Urban fabric, historical houses, typology, Iranian Architecture, cultural heritage
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Morkūnaitė, Žydrūnė. "Selection criteria for evaluating contractors of sgraffito technique in cultural heritage buildings." In The 13th international scientific conference “Modern Building Materials, Structures and Techniques”. Vilnius Gediminas Technical University, 2019. http://dx.doi.org/10.3846/mbmst.2019.105.

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Sgraffito is a historical decorative technique applied in walls. This decoration could be seen in different European cities or villages. Nowadays, this decoration technique is almost disappeared because of decomposition, inexperience or lack of knowledge. Moreover, the preservation and restoration of sgrafitto technique is the most challenging and important task of cultural heritage buildings’ preservation. Therefore, the preservation of sgraffito depends not only the historic and architectural knowledge, studies or conservation projects of the cultural heritage buildings, but also demands the experience, proper qualification and knowledge of contractor. This paper presents criteria set for selecting sgraffito techniques’ contractor of heritage buildings. The study determines methods, set of criteria for sgraffito technique’s contractor selection, overview of sets the assessment criteria of selecting contractor. The research applies the Analytic Hierarchy Process method (AHP), seeking to determine the critical criteria and to get the weighting for each criterion.
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Serrano Latorre, María José, Adolfo Alonso Durá, Pedro Enrique Collado Espejo, and Santiago Tormo Esteve. "Castillejo de Monteagudo (Murcia, España). Análisis integral para la conservación de estructuras islámicas en regiones sísmicas." In FORTMED2020 - Defensive Architecture of the Mediterranean. Valencia: Universitat Politàcnica de València, 2020. http://dx.doi.org/10.4995/fortmed2020.2020.11430.

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Castillejo of Monteagudo (Murcia, Spain). Comprehensive analysis for Islamic structures conservation in seismic regionsThe Castillejo of Monteagudo, which was built on second half of the twelfth century, is a fortified palace situated on rural suburbs of Murcia. It is 4 km to the northeast from the historic center of the city. This monument was part of a big almunia constitued by several emblematic buildings and some important hydraulic and agricultural infrastructures. It is unique in the Iberian Peninsula so its study and conservation are important to understand a not so well known historical period. The walls of this building were constructed in rammed earth and they contained one of the most important cruised patio of hispanic-muslim architecture. In spite of been listed as a Cultural Interest property its conservation state is awful. Its abandonment hinders its preservation for future generations. The Region of Murcia is an area with seismic activity. So, considering the place where the Castillejo is located, a seismic-structural study from a virtual model is executed to check its behavior in front of an earthquake. The results supply relevant information of both its current structural conservation state and its behavior or damages in case of a seismic event. That allow us to assess how urgent an intervention is and also it assures the correct way of conservation, restoration and maintenance.
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Reports on the topic "Historic buildings Conservation and restoration"

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Pfluger, Rainer, and Alexander Rieser, eds. Conservation compatible energy retrofit technologies: Part IV: Documentation and assessment of energy and cost-efficient HVAC-systems and strategies with high conservation compatibility. IEA SHC Task 59, October 2021. http://dx.doi.org/10.18777/ieashc-task59-2021-0007.

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Historic building restoration and renovation requires sensitivity to the cultural heritage, historic value, and sustainability (i.e., building physics, energy efficiency, and comfort) goals of the project. Heat recovery ventilation can contribute to the mentioned goals if ventilation concepts, and airflow distribution is planned and realized in a minimally invasive way. Compared to new buildings, the building physics of historic buildings are more complicated in terms of hygrothermal performance. In particular if internal insulation is applied, the need for dehumidification is needed for robust and risk-free future use, while maintaining the building’s cultural value. As each ventilation system has to be chosen and adapted individually to the specific building, the selection of the appropriate system type is not an easy task.
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Underwood, David, Brett Garret, and Tapan Patel. Energy conservation in historic buildings. Engineer Research and Development Center (U.S.), September 2018. http://dx.doi.org/10.21079/11681/29353.

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Exner, Dagmar, Jørgen Rose, Élodie Héberlé, and Sara Mauri. Conservation compatible energy retrofit technologies: Part II: Documentation and assessment of conventional and innovative solutions for conservation and thermal enhancement of window systems in historic buildings. Edited by Alexander Rieser. IEA SHC Task 59, October 2021. http://dx.doi.org/10.18777/ieashc-task59-2021-0005.

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The main objective of Subtask C is to identify, assess and in some cases further develop retrofit solutions and strategies for historic buildings. The solutions should fulfil the conservation compatibility of historic buildings as well as energy efficiency goals towards lowest possible energy demand and CO2 emissions (NZEB). Further, the objective is to make the solutions available for comprehensive integrated refurbishing concepts and strategies.
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Pfluger, Rainer, Alexander Rieser, and Daniel Herrera, eds. Conservation compatible energy retrofit technologies: Part I: Introduction to the integrated approach for the identification of conservation compatible retrofit materials and solutions in historic buildings. IEA SHC Task 59, October 2021. http://dx.doi.org/10.18777/ieashc-task59-2021-0004.

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According to the United Nations Environment Programme (UNEP), existing European buildings consume about 40% of the total energy consumption in Europe. For this reason, in the last decades, several energy policies have been directed to deep renovation of the existing stock (as last 2018/844). Considering that more than one quarter of all European buildings were constructed before the 1950s, we can assume that many of them are of cultural, architectural, social and heritage values, hence in need of special attention for conservation purposes.
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Pfluger, Rainer, and Alexander Rieser, eds. Conservation compatible energy retrofit technologies: Part III - Documentation and assessment of materials and solutions for wall insulation in historic buildings. IEA SHC Task 59, October 2021. http://dx.doi.org/10.18777/ieashc-task59-2021-0006.

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O'Connell, Kelly, David Burdick, Melissa Vaccarino, Colin Lock, Greg Zimmerman, and Yakuta Bhagat. Coral species inventory at War in the Pacific National Historical Park: Final report. National Park Service, 2024. http://dx.doi.org/10.36967/2302040.

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The War in the Pacific National Historical Park (WAPA), a protected area managed by the National Park Service (NPS), was established "to commemorate the bravery and sacrifice of those participating in the campaigns of the Pacific Theater of World War II and to conserve and interpret outstanding natural, scenic, and historic values on the island of Guam." Coral reef systems present in the park represent a vital element of Guam?s cultural, traditional, and economical heritage, and as such, are precious and in need of conservation. To facilitate the management of these resources, NPS determined that a scleractinian (stony coral) species survey was necessary to establish a baseline for existing coral communities and other important factors for conservation. EnviroScience, Inc. performed a survey of stony coral species, coral habitat, and current evidence of stressors at WAPA?s H?gat and Asan Units in 2022. This report summarizes these findings from a management perspective and compares its findings to previous survey data from 1977 and 1999 (Eldridge et al. 1977; Amesbury et al. 1999). WAPA is located on the tropical island of Guam, located on the west-central coast of the island, and encompasses 2,037 acres. Underwater resources are a significant component of the park, as 1,002 acres consists of water acres. The park is comprised of seven units, of which two of these, the H?gat and Asan Beach Units, include all the oceanic water acres for the park. The H?gat Beach Unit (local spelling, formerly known as ?Agat?) is located at the south-west portion of the park and consists of 38 land acres and 557 water acres (NPS 2003). The Asan Beach Unit consists of 109 acres of land and 445 water acres (NPS 2003). A current baseline for existing coral communities and other important factors for conservation necessitates the need for up-to-date data on the location, presence, relative abundance, and present health of corals. Park managers need this updated data to determine where and how to best focus conservation priorities and identify restoration opportunities. Management actions in park reef areas informed by this inventory included identifying locations where there were: high rates of sedimentation; high coral biomass; rare or threatened species, with a priority given to species endemic to Guam and listed as ?threatened? under the U.S. Endangered Species Act (ESA; Acropora globiceps, A. retusa, A. speciosa, and Seriatopora aculeata); coral persistence and decline, disease and/or nuisance species, including the crown-of-thorns starfish (Acanthaster cf. solaris, ?COTS?) and the sponge Terpios hoshinota; and bleached areas. All work carried out was in accordance with the NPS statement of work (SOW) requirements, which involved a quantitative inventory using both new and pre-existing transects. The resulting transects totaled 61 (including the four from the 1999 study), each measuring 50 meters in length and distributed across depths of up to 50 feet. Divers took photo-quadrat samples covering an area of approximately 9 m?, encompassing 50 photo-quadrats of dimensions 0.50 m x 0.36 m (n=50). The collective area surveyed across all 61 transects amounted to ~549 m?. Additionally, a qualitative search was conducted to enhance documentation of coral species that have limited distribution and might not be captured by transects, along with identifying harmful species and stressors. Timed roving diver coral diversity surveys were carried out at a total of 20 sites occurring within the waters of WAPA, including eight sites at the H?gat unit and 12 sites at the Asan unit. The findings from this report reveal significant disparities in benthic cover compositions between H?gat and Asan units. The H?gat unit exhibits high abundances of turf algae and unconsolidated sediment while the Asan beach unit presents a different scenario, with hard coral as the dominant benthic cover, followed closely by crustose coralline algae (CCA). The Asan unit is also more difficult to access from shore or boat relative to H?gat which provides that unit some protection from human influences. The Asan beach unit's prevalence of hard coral, CCA, and colonizable substrate suggests a more favorable environment for reef growth and the potential benefits of maintaining robust coral cover in the area. These distinct differences in benthic communities highlight the contrasting ecological dynamics and habitats of the two study areas. Across both H?gat and Asan beach unit transects, a total of 56 hard coral species were recorded from 27 genera, with 44 species recorded from the H?gat unit and 48 species recorded from the Asan unit. Of the four historical transects surveyed in the Asan unit from 1999, three experienced declines in percent coral cover (17.38-78.72%), while the fourth had an increase (10.98%). During the timed roving diver coral diversity surveys, a total of 245 hard coral species, including 241 scleractinian coral species representing 49 genera and 4 non-scleractinian coral species representing 4 genera were recorded. Uncertainties related to coral identification, unresolved boundaries between morphospecies, differences in taxonomists' perspectives, and the rapidly evolving state of coral taxonomy have significant implications for species determinations during coral diversity surveys. While the recent surveys have provided valuable insights into coral diversity in WAPA waters, ongoing taxonomic research and collaboration among experts will be essential to obtain a more comprehensive and accurate understanding of coral biodiversity in the region. Of the several ESA coral species that were searched for among the H?gat and Asan beach units, Acropora retusa was the only coral species found among quantitative transects (n=2) and A. globiceps was observed during coral diversity surveys. Acropora speciosa, which was dominant in the upper seaward slopes in 1977, is now conspicuously absent from all the surveys conducted in 2022 (Eldredge et al., 1977). The disappearance and reduction of these once-dominant species underscores the urgency of implementing conservation measures to safeguard the delicate balance of Guam's coral reefs and preserve the diversity and ecological integrity of these invaluable marine ecosystems. Other formerly common or locally abundant species were infrequently encountered during the diversity surveys, including Acropora monticulosa, A. sp. ?obtusicaulis?, A. palmerae, Stylophora sp. ?mordax?, Montipora sp. ?pagoensis?, and Millepora dichotoma. Significant bleaching-associated mortality was recorded for these species, most of which are restricted to reef front/margin zones exposed to moderate-to-high levels of wave energy. Sedimentation was present in both H?gat and the Asan units, though it was more commonly encountered in H?gat transects. While significant portions of the reef area within the WAPA H?gat unit are in poor condition due to a variety of stressors, some areas still hosted notable coral communities, which should be a potential focus for park management to prevent further degradation. There is a need for more effective management of point source pollution concerns, particularly when subpar wastewater treatment or runoff from areas with potential pollution or sediment-laden water is flowing from nearby terrestrial environments. Future monitoring efforts should aim to establish a framework that facilitates a deeper understanding of potential point source pollution incidents. This would empower park managers to collaborate with adjacent communities, both within and outside of park boundaries, to mitigate the localized impacts of pollution (McCutcheon and McKenna, 2021). COTS were encountered during transect surveys as well as in coral diversity surveys. including along the upper reef front/reef margin at site Agat-CS-2. The frequency of these observations, particularly in the WAPA H?gat unit and where stress-susceptible corals are already uncommonly encountered, raise concern about the ability of the populations of these coral species to recover following acute disturbance events, and calls in to question the ability of some of these species to persist in WAPA waters, and in Guam?s waters more broadly. More frequent crown-of-thorns control efforts, even if only a handful of sea stars are removed during a single effort, may be required to prevent further loss to vulnerable species. There were several documented incidents of Terpios hoshinota covering large sections of branching coral in the reef flat along transects, but it is still unclear how detrimental this sponge is to the overall reef system. There is a concern that elevated levels of organic matter and nutrients in the water, such as those resulting from sewage discharge or stormwater runoff, could lead to increased Terpios populations (De Voogd et al. 2013). Consequently, it is important to track populations in known areas of sedimentation and poor water quality. The presence of unique species at single survey sites within the study areas underscores the ecological importance of certain locations. Some species are known to occur in other locations in Guam, while a few may be limited to specific sites within WAPA waters. These differences are likely influenced by environmental and biological factors such as poor water quality, severe heat stress events, chronic predation by crown-of-thorns sea stars, disease, and reduced herbivore populations. These factors collectively shape the condition of the benthic community, leading to variations in species distribution and abundance across the study sites. Documenting coral stress and identifying potentially harmful species allows for proactive management strategies to prevent the establishment of nuisance or detrimental species while populations are still manageable. Updated data on the location, presence, relative abundance, and health of corals is essential for park managers to prioritize conservation efforts and identify restoration opportunities effectively. Observations from this report raise concerns about the health and resilience of coral ecosystems in the H?gat unit and emphasize the need for knowledge of local factors that shape benthic community structure. Understanding the drivers responsible for these variations is crucial for effective conservation and management strategies to preserve the ecological balance and overall health of coral reefs in both units. Continued monitoring efforts will be critical in assessing long-term trends and changes in benthic cover and enabling adaptive management approaches to safeguard these valuable marine ecosystems in the face of ongoing environmental challenges.
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