2/14/2023 0 Comments Autodesk quantity takeoff template![]() ![]() The performance of the system is based on connecting the classification standards of UniFormat and MasterFormat to the cost estimation standard of FehrestBaha. This study proposes an integrated framework, through which the cost estimation standard of Iran (FehrestBaha) is linked to the materials quantity takeoffs (QTO) from BIM models. Thus, this study aims to propose a semi-automated BIM-based cost estimation approach that enables practitioners to estimate the cost of projects based on different design scenarios by an accurate and agile system. One of the main parameters that helps owners in making better decisions in designing their buildings is to look after the cost perspective on different design scenarios. Conclusions are drawn by expressing the contributions and limitations of the proposed rules, followed by suggesting future research works.Īnalyzing different scenarios at the design stage of construction projects has always been a challenging task. The proposed rules were verified based on sensitivity analysis and expert validation. To illustrate the method application of the rules, a practical case study of constructing a 40-storey housing is given. To illustrate the steps of evaluating the scheme, an illustrative example is given. The heuristic rules are based on (i) lengths of work-zone dividing line, (ii) fluctuations of daily duration, and (iii) utilisation rates of resource. As such, in this research study, three heuristic rules are proposed for choosing better scheme of work-zone. Yet, there is no past research studied the evaluation of work-zone definition schemes. In practice, the definition of work-zone is dependent on the experience of project manager. Once the work-zones are defined, the resources (labour, plant, materials) will be allocated to a specific zone to deliver the works on a particular day of the 6-day construction cycle. Work-zones are defined in the working platform for better allocation of limited resources. In Hong Kong, 6-day construction cycle always being used for constructing one typical floor of concrete building superstructure in a week. ![]()
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