Using CADD Application to Support Construction Activities

by Annette L. Stumpf, (M.ASCE), US Army Construction Engineering, Research Lab, Champaign, United States,
Liang Y. Liu, (M.ASCE), US Army Construction Engineering, Research Lab, Champaign, United States,
Sangyoon Chin, (M.ASCE), US Army Construction Engineering, Research Lab, Champaign, United States,
Kenneth Ahn, US Army Construction Engineering, Research Lab, Champaign, United States,



Document Type: Proceeding Paper

Part of: Computing in Civil Engineering

Abstract: This paper discusses how electronic CADD submittals from designers can be transformed into a format appropriate for construction planning and management. Currently, design drawings are organized in a format which is most suitable for design. We envision a new layering scheme which supplements the standard design layers and information to facilitate activities during construction. New CADD layers and/or reference files can be set up to represent shop drawings, as-built drawings, construction laydown areas, temporary structures, special information useful to each of the trades and/or sub-contractors, work areas, and information needed from the scheduler, planner and cost estimator's point of view. By using visualization and simulation tools with scheduling software, the facility can be `built' on the computer, and checked for interferences and schedule conflicts. Three-dimensional CADD drawings with associated databases of components can be captured from design, added to during construction, associated with cost, schedule, and progress data in a multi-media format, and ultimately will represent the completed facility and its components. Facility managers and operators will then be able to use the CADD as-built drawings/database of the completed facility to support their activities. Through the intelligent use of CADD and multi-media data about facility components, the process of communicating and decision-making during the facility delivery process will be transformed.

Subject Headings: Computer aided design | Scheduling | Construction costs | Multimedia | Data processing

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