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Anders Vennstrom, Thomas Olofsson, William Fawcett, Attila Dikbas, Esin Ergen

Determination and Costing of Sutainiable Construction Projects: Option Based Decision Support

Abstract: The building stock in Europe accounts for over 40% of the final energy consumption in the European Union. Moreover, the construction sector is one of the largest producers of industrial waste contributing 40-50% of landfill in some EU countries. A common way of creating a forward planning for optimal resource efficiency in construction project is to apply Life cycle cost (LCC) and Life Cycle Assessment (LCA) in the decision process. There are, however, difficulties in assessment of the impact of the whole project on the environment and estimating its sustainability. The EU funded 7th framework project CILECCTA sets out to develop a LCCA (Life Cycle Cost and Analysis) tool supporting the determination and costing of sustainable project strategies.Current LCC software can assist the decision making process in simulating different alternatives for the design, build, maintenance and demolition of assets – allowing both client and builder to determine the favoured alternative for them. Through linking LCC and LCA methodologies, the CILECCTA project will go one stage further by enabling an assessment of the impact of the whole project on the environment and estimating its sustainability. It will also include the recently developed new generation of Whole Life Costing (WLC) methodology including a probabilistic approach to the development of sustainable WLC strategies, using a real options approach. This paper sets out the framework of current LCCA tools and the challenges in developing a modular LCCA engine integrating asset-related data in price banks and life cycle inventories across Europe. The research leading to these results has received funding from the European Community's Program FP7/2007-2013 under grant agreement no 229061.

Keywords: Decision support, Life Cycle Cost, Life Cycle Assessment, real option analysis

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Series: w78:2010 (browse)
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E. William East and Jeffrey G. Kirby

Standardizing Contractual Information Exchange

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Series: w78:2006 (browse)
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E. William East and Jeffrey G. Kirby

Evolving A Building Information Model

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E. William East, Danielle Love, Nicholas Nisbet

A Life-Cycle Model for Contracted Information Exchange

Abstract: This paper will introduce a process-based building data model that tracks key building information through the facility's life cycle. The specification of batch and transactional exchanges, upon which this process model is based, uses the buildingSMART's Facility Management Handover Model View Definition (FM MVD) as the foundation for transforming paper-based deliverables into usable building information. The FM MVD is the first internationally recognized MVD for the exchange of non-geometric building information.

Keywords: Building Information Model, BIM, Facility Management, FM, Handover, Model View, COBie

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E. William East

IMPACT OF E-GOVERNMENT ON FEDERAL FACILITY DELIVERY

Abstract: This paper provides a justification for the use of e-Government applications for public facility delivery projects. The costs and benefits from one such system used in public practice in the United States are described. The emerging impacts of e-Government systems on the facility acquisition community are also identified.

Keywords: e-Government, government-to-business, facility acquisition, facility delivery, business process

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Series: w78:2008 (browse)
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Edward Jaselskis, William Rasdorf, Min Liu, Abdullah Alsharef, Frank Bowen, Majed Al-Ghandour and Larry Goode

Factors Affecting Bid Let Dates on Transportation Mega Projects

Abstract: North Carolina Department of Transportation (NCDOT) projects with construction costs of $50 million or more, known as mega projects, make up more than 50% of their total construction expenditures while representing less than 10% of the total project count. The estimated let dates and construction expenditures for these projects can vary significantly based on the type of project, work to be accomplished, and unpredicted events. This paper presents study results of various internal and external factors that relate to bid let date delays. The research methodology involved an extensive literature review and interviews with 23 NCDOT subject matter experts and construction contractors to better understand why mega project miss their planned let dates. Results revealed several factors that affect the let date including the owner's ability to acquire the right-of-way in a timely manner, the ability to coordinate with utilities and railroads, and delays in obtaining environmental permits. The study also collected and analysed data pertaining to strategic milestones and provides insights into the likelihood of meeting a particular let date.

Keywords: Transportation Mega Project, Contract Award, Let Day Delay

DOI: https://doi.org/10.24928/JC3-2017/0081

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Guillermo Salazar, Hala Mokbel, Mohamed Aboulezz, and William Kearney

The Use Of The Building Information Model In Construction Logistics And Progress Tracking In The Worcester Trail Courthouse

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J Haymaker, M Fischer, K Burke & William McDonough

Tools to Signal C2C Design Intention

Abstract: In this paper, we present a vision and requirements for how IT can support sustainable design and construction in the AEC Industry. We illustrate our vision with examples from a project designed by William McDonough Partners, a leader in the field of the design of sustainable building. As part of the design process, designers develop a multi-disciplinary design narrative that captures the essence of the design and the designers' intentions. However, today's IT does not support designers in developing and maintaining this narrative with the flexibility and integration required. We discuss the extent to which existing IT approaches address the requirements for design tools, and introduce the Perspective Approach as a way forward to address these requirements, applying the Perspective Approach to the examples. The Perspective Approach builds on project modeling approaches to enable engineers to establish the relationships of their information to the information produced by other engineers. In this way, an integrated project model is not prescribed by an a priori defined project modeling schema that has been implemented by software programmers, but emerges as the design evolves in response to project-specific challenges and opportunities. The Perspective Approach is our first attempt at developing a method to enable engineers to document, communicate, and explore the multi-disciplinary design narratives necessary for the design of sustainable buildings.

Keywords: Design Requirements, Sustainable design

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Series: w78:2004 (browse)
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Mei Lam Tam and William H.K. Lam

Application Of Information Technologies For Development Of Real-Time Traveler Information System In Hong Kong

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Mohsin K. Siddiqui, William J. O’Brien, Ting-Kwei Wang

A Mapping Based Approach To Schedule Integration In Heterogeneous Environments

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