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id ddssar0203
authors Alkass, Sabah and Jrade, Ahmad
year 2002
title A Web-Based Virtual Reality Model for Preliminary Estimates of Hi-Rise Building Projects
source Timmermans, Harry (Ed.), Sixth Design and Decision Support Systems in Architecture and Urban Planning - Part one: Architecture Proceedings Avegoor, the Netherlands), 2002
summary Cost estimating of a construction project at its early stage is considered to be very important task since it will be used as a base to commit or otherwise not to commit funds to that project. Preparation of a reliableand realistic preliminary estimate to aid the decision makers to commit funds for a specific project is a complicated assignment. Traditional methods and operations produced unsatisfactory aid due to lack ofaccuracy especially in the pre-design stage of a project. This participates in the increase of percentage of bankruptcy in the construction industry, which has dramatically climbed up and ranked as 15 percent of thewhole bankruptcies claimed in Canada (Statistic Canada 1998). This paper presents a methodology for developing and a Web-based model to automate preliminary cost estimates for hi-rise buildings. This is achieved by integrating a database with design drawings in a Virtual Reality (VR) environment. The model will automatically generate preliminary estimates after modifying a 3D CAD drawing. It provides the user the option to visualize and simulate the drawing and its cost data through VR environment. Having done that, it will allow owners, architects and cost engineers to view a constructed building project, change its geometric objects and shapes, and accordingly generate a new conceptual cost estimate.
series DDSS
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100%; open Aouad, G., Sun, M., Bakis, N., Birchall, S. and Swan, W. (2000) Find in CUMINCAD An Integrated Web-Based Virtual Model to Support Housing Proejcts , Proceeding of the 28th IAHS world Congress on Housing, Challenges for the 21rst Century April 15-19, 2000, Abu Dhabi, pp. 433-444

100%; open Chiu, M.L. (2000) Find in CUMINCAD A Virtual Reality Environment for Construction Simulation , Proceedings of the 17th IAARC/CIB/IEEE/IFAR/IFR International September 18-20,2000, Taiwan, pp. 1147-1152

100%; open Jrade, A. and Alkass, S. (2001) Find in CUMINCAD Computerized Conceptual Cost Estimating System for Building Projects in Canada , Proceeding of the 29th CSCE Annual Conference May 30 - June 2, 2001, Victoria, B.C., pp. C.26.1 C.26.7

100%; open Lipman, R. and Reed, K. (2000) Find in CUMINCAD Using VRML in Construction Industry Applications , Web3D VRML 2000 Symposium February 21-24, 2000, Monterey, CA

100%; open Whyte, J., Bouchlaghem, D. and Thorpe, T. (1998) Find in CUMINCAD The Promise and Problems of Implementing Virtual Reality in Construction Practice , CIB

100%; open Zahnan, L. (2001) Find in CUMINCAD CAD-Based Project Management Model , M.A.Sc. Thesis, Department of Building, Civil and Environmental Engineering, Concordia University

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