Loading...
9 results
Search Results
Now showing 1 - 9 of 9
- Measures for resource and sustainable practices management in building rehabilitationPublication . Oliveira, Rui; Lopes, Jorge; Abreu, Maria IsabelThe rehabilitation of buildings is a kind of practice that involves an improvement of the comfort and building habitability conditions through the reuse of existing resources. However the rehabilitation process requires ingenious solutions and specific knowledge by designers and builders. The reuse of material resources existing in buildings that align with the adoption of environment concerns could balance the embodied energy and water and emission reduction. Furthermore, the construction procurement could facilitate the rehabilitation process and also adopt a management contracting process which requires a specialized contractor to support the design and work’s needs. This article describes a set of measures from a management system to support the project management process of a building rehabilitation works. The set of proposed measures could facilitate the skilled labour and material resources management, which are focused on the principles and assumptions of sustainability. In addition, it could also give a contribution to devising different ways to organize and manage works in buildings with rehabilitation needs and in a way to have more sustainability benefits.
- The local influences of sustainability in historic centres for buliding refurbisshment and for livingPublication . Oliveira, Rui; Lopes, Jorge; Abreu, Maria IsabelThe historic city centres are comfortable living places that also have architectural quality, cultural and historic heritage. These and other aspects have contributed to a sustainable behaviour and tourism attraction, which does not happen in recent residential areas. However, existing buildings in historic centres have many constraints which associate them to problems and make them less attractive, such as the proximity between buildings, less sun exposition and many others. This paper reports on a research project in which a toolkit with 50 parameters was developed to support decision-making in old building refurbishment projects in historic city centres. Each parameter includes technical regulations, constraints and best refurbishment practices. All solutions proposed by a parameter are ordered in 5 levels from the least to the higher sustainability benefits. The article describes a connection between the toolkit parameters about building localization aspects and their application as constraints during refurbishment works. In another perspective, it is shown the contribution of these parameters as good practices for living in city centres, tourism interest and building selection aspects for renting or buying. The methodology adopted in the study comprises a case study involving the consultation of a set of 7 building refurbishment project designs. All project designs analysed do not present full information description in the majority of localization parameters of the toolkit, such as public transport, parking cars, commercial or services areas, technical infrastructures conservation, sports and gardens areas, and land reutilization. Some of the information on the building project designs analyzed were possible to ascertain through "in situ" research and part of the buildings has good location, proportional sustainability benefits and easier management practices during refurbishment works. The results suggest a lack of interest in the provision of relevant information for the part of design consultants concerned with building refurbishment projects. This aspect needs to be tacked in order to promote more sustainable construction practices and, consequently, a more efficient functioning of this segment of the construction market
- Mamgement of the different phases of an irrigation DAM construction project: case studyPublication . Quiñones Martínez, Ruben; Oliveira, RuiThis article develops the procedural basis of documentary management of projects in different phases of development of a project, using an exhaustive bibliographic review, denoting some differences and particularities among countries and even among authors, especially in organization procedures. A case study was conducted comparing the regulatory assumptions and bibliography on the subject, with the real management of a construction project of an irrigation dam. At first, it was undertaken a consultation of the various documents that constitute the dam design project along the different phases of its development. Subsequently, in order to complement the gathered information during the investigation, as well as to respond to other omissions research questions even after the documentary consultation, an interview supported by a questionnaire with the dam designer was conducted. The main results of the research allow the convergence of scattered and unclear information about which documents are mandatory in each phase of the project, being this unclearly specified in the regulations. The case study of a real construction project of a dam irrigation allows to analyze beyond the required documents at each phase of the development project. And also, the case study contributes to understanding the role of the different stakeholders throughout the process, and the criteria that supports their decisions to move forward to the next phases of a project.
- The specificities of manor houses as built heritage: a case studyPublication . Oliveira, Rui; Lopes, Jorge; Abreu, Maria IsabelIn Portugal there are many heritage buildings with patrimonial, historical and cultural values in an advanced degradation process. These heritage buildings has unparalleled architectural features and uniqueness in addition to all the wealth and associated history which could be adapt for different typologies of uses such as the tourism sector. The architectonical valorization and rehabilitation works of this type of building has generally some constraints that are not only related with their work specificities but also with other factors many others related with misunderstandings among owners, inheritance problems, lack of money, and others. The article describes a case study that involves the surveying of constraints and other problems concerning the rehabilitation works of a manor house. The definition of adjusted and compatible solutions is balanced in a way to make it compatible with the build heritage existences. For this purpose some measures and ideas of a management system to support buildings rehabilitation works based on sustainable practices are used.
- Management of the different phases of an irrigation DAM construction project: case studyPublication . Quiñones Martínez, Ruben; Oliveira, RuiThis article develops the procedural basis of documentary management of projects in different phases of development of a project, using an exhaustive bibliographic review, denoting some differences and particularities among countries and even among authors, especially in organization procedures. A case study was conducted comparing the regulatory assumptions and bibliography on the subject, with the real management of a construction project of an irrigation dam. At first, it was undertaken a consultation of the various documents that constitute the dam design project along the different phases of its development. Subsequently, in order to complement the gathered information during the investigation, as well as to respond to other omissions research questions even after the documentary consultation, an interview supported by a questionnaire with the dam designer was conducted. The main results of the research allow the convergence of scattered and unclear information about which documents are mandatory in each phase of the project, being this unclearly specified in the regulations. The case study of a real construction project of a dam irrigation allows to analyze beyond the required documents at each phase of the development project. And also, the case study contributes to understanding the role of the different stakeholders throughout the process, and the criteria that supports their decisions to move forward to the next phases of a project.
- Sustainability perspective to support decision making in structural retrofitting of buildings: a case studyPublication . Oliveira, Rui; Lopes, Jorge; Abreu, Maria IsabelThe reuse of existing materials in buildings can give a contribution to sustainable practices such as a balance in embodied energy, water, and emission reduction. However, it is not always possible to maintain the existing structural materials because some different technical variables could hamper their usability, namely seismic reinforcement needs, fire safety protection, conservation state, and new legal requirements. The paper follows a case study approach for assessing the technical and environmental performances of structural options for old building retrofitting works. All structural options were analyzed through the results of several categories of environmental impact. Some parameters of a retrofitting management system were also used to frame in a comprehensive way the technical constraints pertaining to building retrofitting works. The structural option choice was taken by the owner with the contribution of the design team and the construction manager of the construction project as well as the results of interviews with other construction professionals, considering the variables related to technical suitability and environmental impact. The results of the study show that the steel structure is the solution that best addresses the technical constraints of the building retrofit works and minimizes environmental impact. The results of the study also suggest that the consideration of other variables other than the technical ones can contribute to the effective functioning of the renovation subsegment of the building market. Some suggestions for further studies to enhance the results of this work are put forward.
- The specifities of manor houses as built heritage: a case studyPublication . Oliveira, Rui; Lopes, Jorge; Abreu, Maria IsabelIn Portugal there are many heritage buildings with patrimonial, historical and cultural values in an advanced degradation process. Generally, the manor houses and small palaces were built mostly in villages and away from areas with more population. In many cases they have areas and space above conventional ones which required extensive maintenance costs. On other hand, these heritage buildings has unparalleled architectural features and uniqueness in addition to all the wealth and associated history. The architectonical valorization and rehabilitation works of this type of housing has generally some constraints that are not only related with their work specificities but also with other factors many others related with misunderstandings among owners, inheritance problems, lack of money for investment, and others. These manor houses and small palaces were generally occupied by affluent families whose economic and societal position ended up being lost over the years and due to changes in political regimes. However, it is possible to adapt this kind of buildings to new typologies of use, compatible and not disturbing the original occupation, such as the use for the tourism sector. The article describes a case study that involves the surveying of constraints and other problems concerning the rehabilitation works of manor houses and small palaces. The definition of adjusted and compatible solutions are duly balanced and weighted for each case. These solutions are based on the adoption of sustainable practices that allow a certain speed and certainties in the rehabilitation works of the built heritage. Also, the rehabilitation solutions are focused on the principles of sustainability and are adjusted for this purpose using some measures and ideas of a management system to support the rehabilitation works in buildings, which was developed in a former research project.
- Measures for resource for resource and soustainable practices management in building rehabilitationPublication . Oliveira, Rui; Lopes, Jorge; Abreu, Maria IsabelThe rehabilitation of buildings is a kind of practice that involves an improvement of the comfort and building habitability conditions through the reuse of existing resources. However the rehabilitation process has not, at present, standard solutions different of those from new construction, and sometimes requires ingenious solutions and specific knowledge by all stakeholders, especially designers and builders. Portugal has many buildings with rehabilitation needs, and this pattern concern not only old buildings but also the more recently built ones. The reuse of material resources existing in buildings that aligned with the adoption of environment concerns materials could balance the embodied energy and water and also emission reduction. In addition, the reuses of these materials decrease the natural resources extraction and could promote buildings energy efficiency when compared to new construction practices. On the other hand, the human resources chosen must have experience and expertise in rehabilitation works but this is not always an easy task. Most of construction companies involved in building rehabilitation works, as well some designers and other construction technicians, treat them as new construction, disregarding the specificities of the former works. However, efficient construction procurement could facilitate this process, if it is done though design/build proposals. The construction procurement could also adopt a management contracting process which requires a specialized contractor presence to support the design phase development. This article describes a set of measures to support the project management process during building rehabilitation works. These measures stem from the results of a questionnaire survey conducted on designers and other technicians involved in the design and construction of building rehabilitation works. The set of proposed measures could facilitate the skilled labour and material resources management, which is focused on the principles and assumptions of sustainability. In addition, it could also give a contribution to devising different ways to organize and manage works in buildings with rehabilitation needs.
- The local influences of sustainability in historic centres for buliding refurbisshment and for livingPublication . Oliveira, Rui; Lopes, Jorge; Abreu, Maria IsabelThe historic city centres are comfortable living places that also have architectural quality, cultural and historic heritage. These and other aspects have contributed to a sustainable behaviour and tourism attraction, which does not happen in recent residential areas. However, existing buildings in historic centres have many constraints which associate them to problems and make them less attractive, such as the proximity between buildings, less sun exposition and many others. This paper reports on a research project in which a toolkit with 50 parameters was developed to support decision-making in old building refurbishment projects in historic city centres. Each parameter includes technical regulations, constraints and best refurbishment practices. All solutions proposed by a parameter are ordered in 5 levels from the least to the higher sustainability benefits. The article describes a connection between the toolkit parameters about building localization aspects and their application as constraints during refurbishment works. In another perspective, it is shown the contribution of these parameters as good practices for living in city centres, tourism interest and building selection aspects for renting or buying. The methodology adopted in the study comprises a case study involving the consultation of a set of 7 building refurbishment project designs. All project designs analysed do not present full information description in the majority of localization parameters of the toolkit, such as public transport, parking cars, commercial or services areas, technical infrastructures conservation, sports and gardens areas, and land reutilization. Some of the information on the building project designs analyzed were possible to ascertain through "in situ" research and part of the buildings has good location, proportional sustainability benefits and easier management practices during refurbishment works. The results suggest a lack of interest in the provision of relevant information for the part of design consultants concerned with building refurbishment projects. This aspect needs to be tacked in order to promote more sustainable construction practices and, consequently, a more efficient functioning of this segment of the construction market.