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Proceedings of EECE 2019BIM-Based Quantity Takeoff in Autodesk Revit and Navisworks Manage

Proceedings of EECE 2019: BIM-Based Quantity Takeoff in Autodesk Revit and Navisworks Manage [In the scope of this paper, BIM-based quantity takeoff feature was studied in Autodesk Revit and Autodesk Navisworks Manage to give design and takeoff solutions for engineers and surveyors to extract the quantities of materials without a deviation from real values. The steps taken to minimize the time consumed during the design and takeoff processes were also included in this research. The study covered 11 models and 27 cases, taking into account various assemblies of building elements and different methods to design these assemblies. The methods were then compared in terms of accuracy, time efficiency, and skill level of the designer/surveyor. The given solutions were then tested on a bigger scale by designing and extracting the quantities of a multi-story residential building. In case where the suggested solutions were ignored, a deviation of (1–33)% in Revit quantities and (1–247)% in Navisworks was observed. On the other hand, designing the model and extracting its quantities following the proposed solutions proved a 0.0% deviation from real values. The suggested scheme of workflow for the design and quantity takeoff for the architectural and structural models of the building proved that consumed time was at least halved and, in some instances, quartered.] http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png

Proceedings of EECE 2019BIM-Based Quantity Takeoff in Autodesk Revit and Navisworks Manage

Part of the Lecture Notes in Civil Engineering Book Series (volume 70)
Editors: Anatolijs, Borodinecs; Nikolai, Vatin; Vitalii, Sergeev
Shick Alshabab, Mary; Vysotskiy, Alexander; Petrichenko, Mishel; Khalil, Taysir
Proceedings of EECE 2019 — Apr 30, 2020
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Publisher
Springer International Publishing
Copyright
© Springer Nature Switzerland AG 2020
ISBN
978-3-030-42350-6
Pages
413–421
DOI
10.1007/978-3-030-42351-3_36
Publisher site
See Chapter on Publisher Site

Abstract

[In the scope of this paper, BIM-based quantity takeoff feature was studied in Autodesk Revit and Autodesk Navisworks Manage to give design and takeoff solutions for engineers and surveyors to extract the quantities of materials without a deviation from real values. The steps taken to minimize the time consumed during the design and takeoff processes were also included in this research. The study covered 11 models and 27 cases, taking into account various assemblies of building elements and different methods to design these assemblies. The methods were then compared in terms of accuracy, time efficiency, and skill level of the designer/surveyor. The given solutions were then tested on a bigger scale by designing and extracting the quantities of a multi-story residential building. In case where the suggested solutions were ignored, a deviation of (1–33)% in Revit quantities and (1–247)% in Navisworks was observed. On the other hand, designing the model and extracting its quantities following the proposed solutions proved a 0.0% deviation from real values. The suggested scheme of workflow for the design and quantity takeoff for the architectural and structural models of the building proved that consumed time was at least halved and, in some instances, quartered.]

Published: Apr 30, 2020

Keywords: Building information modeling; BIM; Quantity takeoff; QTO; On-screen takeoff; Revit; Navisworks manage; Estimating; Scheduling; Quantity surveying

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