Abstract
Any construction project through several stages, starting from the feasibilitystudy stage to the project delivery stage, as the most critical stage that must be focused on is the design stage. It was essential to adopt modern and advanced programs at the design stage to avoid problems and claims between the employer and the contractor due to changes and errors that occur in the project—design process. BIM is one of the modern technologies with many benefits that can be used to solve these errors and obstacles. This research aims to clarify the effectiveness of introducing the BIM system in the design stage of the construction building by comparing it with traditional CAD systems. In this research, ten different actual projects were studied in the architectural design stage to be used in the comparison process between BIM and CAD systems. The researcher reached a set of results, including that introducing the (BIM) in the architectural and structural design stage can reduce the time required to produce design documents by up to (67.6%). This study is helpful for all governmental and private design companies and encourages decision-makers to use the BIM system.
Highlights
The construction building is one of the main pillars of the Iraqi national economy
The research will study the extent to which quality of construction design has improved in the construction building through building information modeling systems
The time for making modifications took place. It ranks last in this disadvantage by reducing the entire design effort expended according to the CAD system by (5.75%). When collecting these last reductions for all times according to the BIM system, we find that this technique has reduced the production time of design documents according to traditional CAD methods by (67.6%)
Summary
The construction building is one of the main pillars of the Iraqi national economy. This construction building includes all the activities of building major infrastructure projects and real estate, maintenance of any of the existing structures and consist types stakeholders' government such as real estate developers, professionals, academics, contractors, consultant, and government officials. Visualization is an effective tool for understanding and enhancing defecult relationships and systems. This is especially true concerning understanding complex spatial relationships, such as construction structures [1]. Some consider the misperception of project information as the biggest problem in the planning and construction of building projects, "the devil is in the details". Disagreements during the construction phase [2]
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