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Abduh M, Skibniewski M J

Utility assessment of electronic networking technologies in construction

Abstract: Despite an explosive growth in virtually all areas of industry and commerce, Electronic Networking Technology (ENT) has only begun to make inroads into the construction industry practice. Although information exchange protocols in construction firms and on construction project sites make it difficult to take advantage of most ready-made solutions applicable in other industries, there is a significant potential of large benefits from the correctly developed and applied ENT solutions for construction firms and construction project site offices. This paper describes the ongoing research effort to determine variables related to the application of ENT protocols for the main types of construction project delivery systems and to measure the utility of ENT configurations in facilitating communication between parties involved in a construction project with respect to specific project delivery systems.

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Full text: content.pdf (74,489 bytes) (available to registered users only)

Series: w78:1999 (browse)
Cluster: papers of the same cluster (result of machine made clusters)
Class: class.commerce (0.026075) class.communication (0.012214) class.collaboration (0.009528)
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Permission to reproduce these papers has been graciously provided by the Research Press of the National Research Council of Canada. The support of the editors, particularly Dr. Dana Vanier, is gratefully appreciated.


Froese T, Fischer M, Grobler F, Ritzenthaler J, Yu K, Sutherland S, Staub S, Akinci B, Akbas R, Koo B, Barron A, Kunz J

Industry Foundation Classes for Project Management - A Trial Implementation

Abstract: An effort is underway to develop Industry Foundation Classes--industry-standard data structures for exchanging information about construction projects. In addition to physical information about buildings, these classes represent project management information such as estimating and scheduling data. Many core concepts relating to the project management portions of the Industry Foundation Classes have recently been added to these models, but these have received virtually no testing and implementation to date. A workshop was held to work through an implementation and evaluation exercise for these models. The results identified many areas for potential improvement, but also confirmed that the overall approach taken by the models worked well for representing and integrating product, work process, estimating, and scheduling information.

Keywords: International Alliance for Interoperability, IAI, Industry Foundation Classes, IFC, Project Management, Estimating, Scheduling, Project Modelling, Data Standards, Integration

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Full text: http://www.itcon.org/1999/2 (available to registered users only)

Series: itcon:1999 (browse)
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Per Christiansson

ICT enhanced buildings potentials

Abstract: The paper describes and gives example on how Information and Communication, ICT, can and will en-hance and support the building functional systems defined from client and end-user needs and requirements. The build-ing systems may be derived from functional requirements on buildings such as usability and security on highest level with sub-systems definitions on lever levels. Building functional sub-systems may be defined for user comfort, indoor-climate, evacuation, space configuration, aesthetics, O&M etc. These building systems are supported by Information and Communication Technology, ICT, and building component systems that are accessed and integrated in the real world of building use in different contexts. The ICT systems may be physically or virtually embedded in the building. Already in 1982 AT&T established the 'intelligent buildings', IB, concept due to marketing reasons and the Informart building was established in Dallas as a showplace for IB installations. The interest in IB has fluctuated since then. There may be a fruitful interaction between user needs pull and ICT break-through push for creative and innovative development of ICT enhanced buildings. The paper explains the Intelligent Building concept with focus on virtual build-ing models support, new services and user environment definitions and development, virtual spaces and augmented reality, intelligent building components, application ontologies, and ICT systems integration to illustrate ICT enhanced buildings potentials and R&D needs.

Keywords: building functional systems, client, end-user requirements, intelligent building, application ontologies

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Full text: content.pdf (863,134 bytes) (available to registered users only)

Series: w78:2007 (browse)
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Rowlinson S, Hadikusumo B H

Virtually real construction components and processes for design-for-safety-process (DFSP)

Abstract: Interpreting bulky 2D design drawings from consultants into a 3D mental picture for construction purposes is tedious. If only visualizing a 3D mental picture of the project creates burdens to user, then he will find more problems in integrating this information with other plans such as the construction process and safety regulations. In other words, it is difficult to add more contents in the 2D design representation. Virtual Reality (VR) aims to allow the end-user to view a 3D model of a project. So, contents of the design can be added, such as construction processes and safety plans, at the virtually real project before actual construction is undertaken. This paper discusses the virtually real construction model (component and process) of the Hong Kong Housing Authority standard block, specific developed functions of the virtual reality application and the role of a Design-For-Safety-Process (DFSP) for the purpose of site safety hazards recognition and remedial measures to prevent the occurrence of accidents.

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Full text: content.pdf (260,718 bytes) (available to registered users only)

Series: w78:2000 (browse)
Cluster: papers of the same cluster (result of machine made clusters)
Class: class.legal (0.026103) class.represent (0.015518) class.man-software (0.007124)
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Permission to reproduce these documents have been graciously provided by Icelandic Building Research Institute. The assistance of the editor, Mr. Gudni Gudnason, is gratefully appreciated


V. Bazjanac

Implementation of semi-automated energy performance simulation: building geometry

Abstract: The methodology for semi-automatic building energy performance (BEP) simulation eliminates arbitrary decisions from the simulation process. Based on the use of IFC-based BIM, its key feature is the automatic transformation of data from their original source and formatting to what is needed in BEP simulation, per unambiguous data transformation rules that cannot be manually manipulated; it results in semi-automatic generation of input for simulation. When implemented, the methodology reduces preparation of simulation input for a building from days, weeks or months to minutes, eliminates human error, and makes simulation preparation virtually free of cost and resource consumption. GST/IDF Generator tool semi-automatically transforms building geometry properly defined in IFC format into ready-to-execute building geometry defined in input format for “whole building” BEP simulation tools like EnergyPlus. The tool’s performance was publicly demonstrated live in the OGC AECOO-1 Testbed in March and May 2009.

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Full text: content.pdf (1,232,937 bytes) (available to registered users only)

Series: w78:2009 (browse)
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Vanier D J

Product modelling: helping life cycle analysis of roofing systems

Abstract: The Building Envelope Life Cycle Asset Management (BELCAM) project is researching methods to predict the service life of roofing systems. Because the IT industry in construction has been "design centric" for a number of decades, very little has been done in the area of the life cycle analysis of existing, or even for proposed, facilities. However, the design and construction phases of these built assets occupy an insignificant time span in the life cycle of a building and the costs of these two phases are minor in comparison to the life cycle costs (including personnel wages, overheads, etc.) of the operations of that facility. Buildings and urban infrastructure are constructed and maintained to last decades, centuries, and at times, indefinitely. Equally true are the data, models and supporting software systems that represent these built assets. However, it would be virtually impossible to find and regenerate a simple word processing file from 10 years ago (remember the CP/M operating system and Wordstar); how could a maintenance manager in the year 2020 retrieve data from AutoCAD 14 running on an antique Pentium Pro II from the year 1998. In fact, there are two major problems identified above: 1. how to handle the archival and retrieval of historical information, and 2. how to ensure the upwards compatibility of data, systems and models of our existing and proposed assets. This paper proposes using product models to address these issues. Although considerable work has been done in the STEP (STandard for the Exchange of Product model data) and IAI (Industry Alliance for Interoperability) communities, very little can be used currently to address the needs of asset managers. This paper presents a state of the art for product modeling; the focus domain is roofing systems. It identifies the need for data integration, not only for CAD systems but also between financial, maintenance and inventory database. A prototype product model for roofing systems is presented and discussed.

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Full text: content.pdf (112,721 bytes) (available to registered users only)

Series: w78:1998 (browse)
Cluster: papers of the same cluster (result of machine made clusters)
Class: class.retrieve (0.026448) class.processing (0.019738) class.communication (0.017442)
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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 Björk and Dr. Adina Jägbeck, is gratefully appreciated.


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