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A Akcamete

An Approach to Capture Facility Maintenance and Repair Information to Store Change History

Abstract: During operations, changes happen to facilities frequently due to maintenance and repair (M&R)work, upgrades and renovations. Consequently, corresponding facility information needs to be updatedso as to provide reliable information to facility operators and managers. Moreover, the record offacility changes is necessary to understand the patterns of failures and to support proactivemaintenance decisions. Therefore, there is a need to enable storing of the information about suchchanges at the time that they occur. In current practice, facility documents are not frequently updatedand a complete history of changes is not available for supporting facility management decisions. Theauthors_ objective is to streamline the capturing of M&R information when these activities areperformed, so as to have a history of facility changes that can be used to understand how a building isdeteriorating and to support facility information updates. By observing M&R work records, weidentified the need for capturing different types of facility and change information for different typesof M&R work. Moreover, we observed the need for a spatial database to support pattern analysis byidentifying clusters that may not be found by using traditional databases. We developed a taxonomy ofM&R work that classifies various types of work on different types of facility components and listsassociated information modules that represent data required to be collected in the field. This approachenables a formal approach for capturing change information as a result of M&R work by providingcustomized templates for each type of work. The focus of this paper is to present the need forcustomization of information capture templates. The paper also gives a description of the approach offormally generating customized templates based on a taxonomy of M&R work and linking thecaptured history information with a facility information model. Enabling such a linkage will be thefirst step towards reasoning about the M&R history in order to analyze how a building deteriorates,identify problems in the building, and inform the users of facility information update needs.

Keywords: Facility maintenance, maintenance changes, change history, maintenance planning

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Series: w78:2011 (browse)
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Aaron Costin and Charles Eastman

Requirements for Ontology Development in the AECO Industry

Abstract: This paper presents and discusses the requirements needed for the development of ontologies in the Architecture, Engineering, Construction, and Operation (AECO) Industry. With the increase of information modeling for all aspects of a construction project with a variety of software tools and technologies, there has been a major need of communication and exchange of information. An approach to improve seamless information exchanges is the use of ontologies. One major benefit of using ontologies is that the information and knowledge defined in the ontologies can be shared across domains. However, to do so requires standardized rules and requirements in order to share and promote reuse at the domain level. Significantly, with the increased demand of ontologies in the AECO industry, there needs to be standardization and consensus in the development and use of the ontologies to ensure the seamless transfer of information as well as realizing the full benefits of ontologies.

Keywords: Ontology, Information Exchange, Semantics, Logic, Taxonomy, AECO Industry

DOI: https://doi.org/10.24928/JC3-2017/0149

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Series: jc3:2017 (browse)
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Conrad Boton, Sylvain Kubicki, Gilles Halin

Collaborative Construction Planning: Towards 4D Visualizations Adapted to Practitioners Requirements

Abstract: Managing the intervention of various actors during the construction phase is a recurrent issue in the construction sector. This is partly due to the multiplicity of stakeholders and the need to manage interfaces necessary for efficient planning and coordination of construction tasks. 4D CAD technology appears to be an innovative approach to answer such issues. It consists in combining a 3D model with the time dimension, in order to simulate the progress of works construction along the time.Our main hypothesis is that the use of 4D to support the actors’ collaborative work is not adapted enough to the need of the sector because the classical view (Gantt + 3D model) does not take into account the specific requirements related to particular usages (planning of interventions and reservations request for a contractor; simulation and integration of works’ interfaces for an engineer, etc..). It is therefore challenging to adapt the visualization to business needs of users.Developments in Human-Machine Interface and Information Visualization fields could allow us selecting user views properties (i.e. Structure, Quantity of information displayable, Graphical attributes, Content description, Interaction principles, Business view) and compose Coordinated Multiple Views. Therefore, the article propose a taxonomy to describe user views in order to setup a method for 4D visualization design, enabling to:1) Identify business practices (usages) related to the roles of different users, 2) Offer services tailored to different usages, and 3) Suggest visualization modes fitting each usage on the basis of our visualization model.In a case study we formalize a collaborative process to identify the usages of each practitioners involved in the collaboration construction process planning. It especially targets collaborative management of works’ interfaces. Then, after defining the required services, we suggest combining visualization methods suitable for each use in order to achieve views composition for each stakeholder.

Keywords: Construction process, Collaboration, 4D CAD, Human-Computer Interface, Information visualization, Business view, Model driven engineering

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Series: w78:2010 (browse)
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J Ye, Keith Ellis, T Hassan, S Firth, 3Matti Hannus, C Sheridan

an approach to Impact Assessment of ICTs for Energy Efficiency

Abstract: The importance of information and communication technologies (ICTs) as an enabler for energy efficiency is well understood, however there is no one agreed common methodology for assessing the impact of ICTs on energy efficiency. In order to promote legitimacy, transparency and real progress in the application of ICTs to improving energy efficiency there is a clear need for common ways of assessing energy performance based on a common understanding of commitments, targets and methodology. In this paper, common means for assessing the impact of ICTs on energy efficiency are reviewed and the approaches of organisations focused on the development of ICT impact assessment methodologies are discussed. Subsequently, a potentially useful means of qualitative impact assessment is suggested. The proposed methodology aims to leverage the heuristics of domain experts and is based on life cycle thinking coupled with elements of an adapted capability maturity model/framework. The SMARTT taxonomy developed as part of the overall approach for common assessment is also described. SMARTT stands for Specification and design, Materialisation, Automation and operational decision support, Resource and process management, Technical integration and Trading/transactional management. Aligned to these six high level categories are twenty sub-categories to which user-defined ICTs/research and technology developments (RTDs) are mapped. An impact assessment example is given to illustrate how the proposed approach can be used at the offering level. The SMARTT taxonomy and common methodology are deemed by the authors to be as a useful means of assessing the impact of ICTs on energy efficiency both within and across sectors and potentially offers a foundation on which to base more quantitative methods to assess the impact of ICTs on energy efficiency.

Keywords: Impact assessment model, ICT, Energy efficiency, Impact quantification

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Series: w78:2011 (browse)
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K Joergensen

Classification of Building Object Types Misconceptions, challenges and opportunities

Abstract: Development of the existing classification systems has been very difficult and time consuming tasks, where many considerations have been taken and many compromises have been made. The results reveal that, although the theoretical foundation was clarified, many deviations and shortcuts have been made. This is certainly the case in the Danish development. Based on the theories about these abstraction mechanisms, the basic principles for classification systems are presented and the observed misconceptions are analyses and explained. Furthermore, it is argued that the purpose of classification systems has changed and that new opportunities should be explored. Some proposals for new applications are presented and carefully aligned with IT opportunities. Especially, the use of building modelling will give new benefits and many of the traditional uses of classification systems will instead be managed by software applications and on the basis of building models.Classification systems with taxonomies of building object types have many application opportunities but can still be beneficial in data exchange between building construction partners. However, this will be performed by new methods and in strong connection with databases holding a wide range of object types.

Keywords: classification, composition, taxonomy, building object, building model

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Series: w78:2011 (browse)
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M K Siddiqui

Taxonomy of Work Spaces for Sensor-Driven Jobsite Management

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Series: w78:2014 (browse)
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Nazila Roofigari-Esfahan and Chimay Anumba

Towards a Taxonomy of Cyber-Physical System Applications in Construction

Abstract: Cyber-physical systems (CPS) facilitate the integration of physical processes through offering embedded computation and communication. Through this embedded communication and computation, CPS has the ability to add more intelligence to physical processes and provides effective means for bidirectional coordination between physical entities and their virtual representations. CPS is still considered to be a nascent technology in many industries including construction, and there are many challenges yet to be addressed. However, there is growing interest in this technology and several applications of CPS in improving various construction processes have been proposed in the last few years. This paper classifies current CPS applications presented in the literature for construction projects and accordingly presents a preliminary taxonomy of CPS applications in Construction. To this end, the different components and methods that are required for the application of CPS in construction are characterized and classified and the areas that require further research are identified. It is expected that this taxonomy and its mapping to relevant systems will be highly useful for further development of CPS for improving construction processes.

Keywords: Cyber Physical Systems, Construction, Automation, Computer Integrated Construction, Computer-Aided Design

DOI: https://doi.org/10.24928/JC3-2017/0314

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R van Rees, Tolman F, Beheshti R

How BcXML handles construction semantics

Abstract: The paper focuses on the development of a new Communication Technology for the Building-Construction industry, called bcXML. One problem that has to be solved before ICT really will help to increase the BC industry's competitiveness is the way construction semantics should be treated. Over the years several approaches have been researched, but none was able to provide a satisfactory solution. What is needed is a common (neutral) taxonomy with definitions of objects and properties with units and names in different languages and alphabets that can be used to create and translate meaningful XML-based messages, but that is not part of the actual standard. Such an approach would in particular serve the purpose of the fragmented European Building and Construction industry, and is prerequisite for the unification and industrialization of the European Building and Construction industry. The paper describes how eConstruct handled building and construction semantics.

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Full text: content.pdf (191,195 bytes) (available to registered users only)

Series: w78:2002 (browse)
Cluster: papers of the same cluster (result of machine made clusters)
Class: class.standards (0.125208) class.represent (0.022139) class.software-software (0.016472)
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Permission to reproduce these documents have been graciously provided by the Aarhus School of Architecture, Denmark. The assistnace of the editor, Prof. Kristian Agger, is gratefully aprecciated.


Rivard H, Fenves S J, Gomez N

A classification and indexing scheme for conceptual building design

Abstract: SEED is a multidisciplinary project whose goal is to provide support for the early phases of building design. SEED-Config is the module of SEED that focuses on the generation of 3-dimensional configurations of spatial and physical building components. A building design environment consisting of four software modules has been implemented in a prototype. The four modules are: a design information repository, which records design data and manages design cases; a design knowledge manager, which handles the collection of technologies selected for the current project (technologies encapsulate the design knowledge applied to building entities); a classification reference manager, which is used to define, manage, infer about, and query classifications; and a geometric modeler, which is used to define, reason about, and render both topology and geometry. A classification and indexing scheme has been developed to complement a generic information model so that design solutions can be easily classified, retrieved, and accessed. The generic information model, called the Building Entity and Technology (BENT) model, stores design data as they are generated during conceptual design, supports case-based reasoning, and shares data among all design participants. The model represents each building entity as a generic container that encompasses its geometry, taxonomy, design knowledge, composition, relationships, and properties. The classification and indexing scheme uses a faceted classification to define the controlled vocabulary from which indexes are obtained. In this approach, classification is independent from the information model. The classification is extensible and designers have the freedom to complement the vocabulary with their own idiosyncrasies. Indexing is performed automatically as building entities are designed through the selection and application of technologies. Hence, a design is already indexed when it is added to the case library. A case library was implemented in an object-oriented database management system for accumulating cases and for providing efficient query facilities.

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Full text: content.pdf (109,553 bytes) (available to registered users only)

Series: w78:1998 (browse)
Cluster: papers of the same cluster (result of machine made clusters)
Class: class.retrieve (0.078140) class.synthesis (0.021896) class.software development (0.017891)
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Permission to reproduce these papers has been graciously provided by Royal Institute of Technology, Stockholm, Sweden. The assistance of the editors, Prof. Bo-Christer Bjrk and Dr. Adina Jgbeck, is gratefully appreciated.


V Kumaraswamy, S Ergan, B Akinci

A Taxonomy for Building Energy Dashboards

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Full text: content.pdf (324,225 bytes) (available to registered users only)

Series: w78:2014 (browse)
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