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L McGibbney, B Kumar

THE WOMBRA PROJECT: A WEB-BASED ONTOLOGY-ENHANCED MULTI-PURPOSE BUILDING-REGULATION RETRIEVAL APPLICATION FOR SCOTTISH TECHNICAL STANDARDS

Abstract: An increasing amount of professional work within the domain of sustainable design and construction is becoming dependent on retrieving regulatory and advisory information over the web quickly. A common recognition that advanced search and retrieval technologies enable enormous amounts of information to be accessed has emerged. However, as a result designers and builders are finding it increasingly difficult to identify this information and assimilate them in their activities. Commercial search engines provide a generic and inaccurate method of retrieving relevant information for domain-specific needs in a focussed manner. Therefore, there is a need for developing intelligent domain-specific search and retrieval technologies under a structured information management framework. This paper presents Wombra: a web-based information search and retrieval application which employs domain specific ontology to identify (in particular) relevant energy performance building regulations. The framework builds on our previously established model, incorporating an HTTP SPARQL server, which supports the SPARQL RDF query language allowing additional truths to be inferred from our ontologies. Firstly we introduce the design and development of the customised, domain specific web search platform. Related research in this field accompanies this introduction. A theoretical model justifies the choice of technologies used and the basic construction of the search application itself. Further, we provide the reasoning behind our requirement to establish an ontology library with specific application to Scottish Technical Standards. We conclude this paper with various observations relating to on-going experiments and a discussion on future research areas. The Wombra project is being developed in collaboration with a Scottish City Council’s building control department who are actively validating the value of our approach in their daily activity of checking and approving designs for construction.

Keywords: Search and Information Retrieval, Ontology, Construction, Building Regulations, Scotland

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Series: w78:2011 (browse)
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L Simonian, N Goodell

ENERGY INFORMATION SYSTEM DASHBOARD INTEGRATING WIRELESS SENSING DEVICES WITH WIRED METERING AND CONTROLS – A CASE STUDY

Abstract: According to the most recent Annual Energy Review published by the United States Energy Information Administration, residential and commercial buildings are responsible for 40% of the energy consumed in the United States, 66% of the electricity use, and 39% of the carbon-related emissions (EIA - U.S. Department Of Energy 2009). The current emphasis is to design and construct energy efficient buildings that use 70 percent less energy (than today’s average building) by 2030, and to achieve zero net energy by supplying the remaining energy from clean and renewable resources (U.S. Department of Energy 2007). An Energy Information System (EIS) is an essential informational link towards realizing this goal. This case study exams a facility where several (wired and wireless) data acquisition systems gather energy and thermal comfort data in an institutional office building occupied predominantly by research scientists and support staff, and these systems are integrated into a single EIS. The EIS includes graphical reporting features to convey building information to operators, managers, owners, occupants and facilities personnel who have the capability to act upon the information to impact energy efficiency and comfort in the building. As EISs are still a new field, it is important to identify what needs to be done in the future to ensure their usefulness as a tool to improve energy efficiency and occupant comfort in buildings. They are an essential step on the road to achieving buildings that use zero net energy.

Keywords: Energy Information System (EIS), Wireless Sensing Network, HVAC, Energy Use

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Laitinen, Jarmo

Model Based Construction Process Management

Abstract: The purpose of this research was to study how the data management of a main contractor can be improved, in order to provide better client value and more cost-efficient production. The research focused on methods for reengineering the information management using product modelling as enabling technology. The methods were tested in pilot tests in which the developed cost and value engi-neering prototype application was used. This thesis demonstrates an integration of design and production planning based on the product model approach. The final outcome is that the main contractor can utilise information coming from designers as input in its own tendering and cost estimation applications. The key methodology used for describing the information management process throughout the building process life-cycle was IDEF0. The analysis of the cur-rent process (as-is), in the form of an IDEF0 model, helped in identifying the main problems of current practice. The target process (to-be) definition was based on product model utilisation and takes into account the possibilities for process reengineering supported by product data technology. One specific re-quirement was deemed important in view of the anticipated developments in the area of data exchange; the target system should be structured in such a way that it could easily be adapted to receive data according to the emerging IFC core model schemas. The overall result of the research reported in this thesis is that the product model approach can be used for a substantially reengineered information management process of a main contractor, especially in design and construct type contracts.

Keywords: Product model, IFC, Process model, constuction

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Leiringer R T

Modelling the complexity of modern construction projects

Abstract: "The search for significant cost savings and quality improvements on construction projects is a routine activity and one where there is plenty of theory, but few results capable of being reproduced elsewhere. One reason is that the organisational infrastructure of a project is not always properly understood and defined, meaning that novel ways of bringing about such savings and improvements can be frustrated by invalid or erroneous assumptions. A case study of a large housing project, as part of a top level investigation by a government department, has shown how even domestic scale construction is not without problems in understanding the complexity of the process. The investigation is documented as a set of computer-based process models for the entire project, which have then been used to pinpoint failures in communication and information management. Of particular interest are the early, pre-design stages (briefing) and the supply chain covering the off-site design, fabrication and assembly of components. The findings show that large parts of the process are not adequately defined. The parties have difficulty in agreeing upon the amount and specifics of the activities that have and are taking place, as well as the resources and information that are necessary for the project’s successful completion. Conclusions are drawn that outline the need for clear and transparent guidelines and procedures."

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Full text: content.pdf (222,193 bytes) (available to registered users only)

Series: w78:2000 (browse)
Cluster: papers of the same cluster (result of machine made clusters)
Class: class.economic (0.044918) class.processing (0.016621) class.impact (0.012253)
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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


Lomas D W, Arics Ahkis

Construction industry education: new approaches to utlllslng the world-wide-web

Abstract: In the past decade the phenomenal growth area has been in the area of Information Technology (IT). This has been experienced around the world, as people come to grips with all the new means 01 communication, such as electronic mail (e-mail), World-wide-web 0 and the Internet. This paper will present the latest computer based teaching developments from the Hong Kong Polytechnic University. The examples will be in the field of construction, although the applications and techniques, could be used on a wide range of other industries. The Department of Building and Real Estate, together with other University departments (Education Development Unit and Building Services Engineering) have carried out a number of pilot studies, using WWW for tutorial teaching, and also computer-aided teaching for construction industly students.

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Series: ecce:1997 (browse)
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Löwnertz, Kurt

Change and Exchange - Electronic Document Management in Building Design

Abstract: Producing documents using computer supported methods has become common practice in the construction industry, but the management of documents is still to a large degree done with manual methods. Some pioneering users in design, construction and facility management respectively have applied electronic document management (EDM) within their organisations or for projects. However, the introduction has hitherto been noticeably slow. This thesis discusses the benefits of the new document management techniques to the construction and facility management process, with focus on building design, as well as the obstacles when implementing these techniques. The construction sector process has some particular properties, differing from other industry sectors, in that a project organisation is formed anew for each project and involves a number of specialists with varying requirements for their company-internal production and management of documents. The main themes for EDM in building design are therefore how to manage the change of information and the exchange or sharing of information between the different organisations. The thesis contains a state-of-the-art description of document management in building design, including reviews of commercial applications, standards and current best practice. Basic techniques on a scale from file-hierarchy-based to product-model-based systems are classified and analysed from a building design perspective. Five cases of document management in practice have been studied. The companies studied are active within different design disciplines and have chosen to introduce and use EDM in different ways, with respect to technology as well as the information content that is managed. It is concluded that the different requirements can not be met by uniform methods for document management, but that the exchange of documents and their meta-data has to be supported by information standards which need to cover a number of levels from hardware to construction-specific classification. As a starting-point for further development a conceptual schema for document meta-data suited for building design is discussed. The overall result of the research provides requirements for specifying applications, standards and implementation procedures for electronic document management suited to the activities of building design and the interfaces to longterm information management concerning buildings.

Keywords: Document Management, Construction Process

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Noack, Robert

Converting CAD Drawings to Product Models

Abstract: The fundamental aim of this study is to examine whether it is possible to automatically convert vector-based drawings to product models. The reason for doing this is that the new object-based systems cannot make use of the information stored in CAD drawings, which limits the usability of these systems. Converting paper drawings to vector-format is used today and provides recognition of lines and text, but does not interpret what the shapes represent. A language for describing the geometrical representations that could be processed directly into a recognition program for building elements is missing. It is easier to describe how to recognize a line as a series of dots in a raster image, than it is to describe how a complex symbol of a building element looks like. The approach in this research work has been to test different shape recognition algorithms. The proposed method can be divided into four processes: grouping of geometrical primitives, classifying these groups, interpreting the content and analyzing the relationships between the groups. The algorithms developed here are based on research within related domains, such as pattern recognition and artificial intelligence. The algorithms have been developed in a prototype implementation and were tested with three layer-structured drawings used in practice. The results of the tests show that there are no crucial obstacles to recognizing a large part of the symbols of building elements in a CAD drawing. The requirement is that the recognition system is able to differentiate one from another and be tolerant of errors and variations in the shapes.

Keywords: Product Model, CAD

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Owor Asodo Jamess

A BRIEF CIRRULUM VITAE FOR OWOR ASODO JAMES SUBMITED FOR AJOB SEARCH

Abstract: Professional Curriculum Vitae Personal Information Name: Owor Asodo JamesMobile Telephone Number:075-2-953-237/075-2-693-618 Address: P.O.Box 7575, Kampala City: KAMPALA State/Province: UGANDA Section Title:Career Objective Description: · To obtain a challenging position in Human resource and development in order to maximize my potential. Section title:Work Experience Company:Alarm protection Service Limited Location: Plot 53 Lumumba Avenue Dates:2001 — 2003 Job Title: Training officer Work Description: · Developed the company wide annual training program, and designing training curricula for different target groups.· Provided guidance to staff in the area of training and development.· Managed the implementation of training and development strategy for the company.· Ensured that the company has an effective personal development system that meets the overall business strategies.· Maintaining documents in personnel files: hiring, NSSF registration, change of status, termination forms, medical leave, CVs, warning letters, disciplinary reports, etc. Company:Alarm protection Service Limited Location: Plot 53 Lumumba Avenue Dates: 2003 — 2004 Job Title:Security Manager Work Description: · Ensuring safety of company assets and preventing crime in line with the company’s corporate strategy and policies. Section Title:Education School or Program Name:BA Social ScienceLocation: Makerere UniversityDegree/Level Attained:Second Class Upper Dates:2000 — 2003 School or Program Name:Diploma in personnel and industrial Relations.Location:London College of Professionalism Degree/Level Attained:High Merit Dates: March1999 — Oct. ‘99 School or Program Name:Uganda advanced certificate of EducationLocation: St. Francis SSS Dates:1997 — 1998 School or Program Name:Uganda Certificate of EducationLocation: Rock HighDegree/Level Attained: Division III Dates:1991 — 1994 Section Title:Interests Description:Career development, and acquiring new skills Section Title:Academic Reference Name:1. Mr. Arojo O.O StephenP.O.Box 7062, KampalaTelephone Number: +256-077-2-429-922 / 041-540-650Personal ReferenceName: 2. Mr. Mbongo M. MichaelTelephone Number:+256-075-2-200-264 / 041-2359453. Mr. Othieno Charles KakunguruTelephone Number:+256-078-2-833-201Signature:……………………………… Company: Department of Sociology, Makerere University Job Title: Senior Lecturer Company: JRNET Company Job Title: Marketing OfficerDate: ……………………………..

Keywords: personal details, Employment Background, Education Background, and Referees

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Quadrel R, Brambley M R, Stratton R

An automated tool for evaluating compliance and providing assistance with building energy standards during design,

Abstract: In an effort to encourage the maximum cost-effective level of energy efficiency in new building design, energy-efficiency standards have become more location-specific and performance-based. As a result, standards often provide more than one path for ensuring and demonstrating that a design complies, but at the cost of increased complexity. Inaddition, the burden of remedying a noncompliant design rests on the designers' knowledge and experience, with only general guidance provided by the standards. As part of efforts in the U.S. Department of Energy's (DOE's) Advanced Energy Design and Operation Technologies (AEDOT)project, a team at DOE's Pacific Northwest Laboratory is developing acomputer program known as the Energy Standards Intelligent Design Tool (ES-IDT). The ES-IDT is one component of a prototype computer-based building design environment. It performs automatic compliance checkingfor parts of ASHRAE/IES Standard 90.1-1989 and provides designers assistance in bringing noncomplying designs into compliance. This paper describes the ES-IDT, the functions it provides, and how it is integrated into the design process via the AEDOT prototype building design environment.

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Full text: content.pdf (1,286,873 bytes) (available to registered users only)

Series: w78:1992 (browse)
Cluster: papers of the same cluster (result of machine made clusters)
Class: class.environment (0.026117) class.economic (0.022725) class.software development (0.012229)
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Permission to reproduce these papers has been graciously provided by Research Press of the National Research Council of Canada. The support of the editor, Dr. Dana Vanier, is gratefully appreciated.


Sarshar M, Stokes E, Nelson M, Amaratunga M

Process modelling in the facilities sector: a case study

Abstract: "Facilities Management (FM) is a new field, which has strong correlation to the construction and property disciplines. Most of the investment in the construction sector is in the maintenance and management of existing facilities. Yet FM remains an under researched discipline, and is often excluded from the construction life cycle. The growing commercial market in FM, as well as new procurement routes such as PFIs (Private Finance Initiative) have placed FM and whole life cycle research firmly on the UK's agenda. To date the facilities sector has not benefited from process thinking. Process mapping and improvement initiatives are fairly new to the sector. SPICE FM is a current research project at Salford University, which aims to develop a process improvement framework for FM. The research starts by process modeling, in order to gain an initial understanding of the current situation. It then uses experience from other sectors, such as IT, to tailor an incremental framework for FM. The first SPICE FM case study is the FM processes of a large hospital, with 400 employees in the facilities department. SPICE FM is using object-oriented process mapping techniques, to gain an understanding of the processes. These results will be used to analyse the process characteristics and their major strengths and weaknesses. This paper introduces the SPICE FM research. It then describes the hospital case study providing examples of the process maps and interview results. Based on these results the process characteristics are highlighted and discussion is generated on how to channel the process improvement research in the facilities sector."

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Full text: content.pdf (322,251 bytes) (available to registered users only)

Series: w78:2000 (browse)
Cluster: papers of the same cluster (result of machine made clusters)
Class: class.processing (0.024854) class.impact (0.021065) class.environment (0.013648)
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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


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