Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/223609
Title: DEVELOPING AN INTEGRATED SYSTEM IN GRASSHOPPER FOR BIM-BASED COST ESTIMATION IN SCHEMATIC DESIGN STAGE
Authors: XIAOWEN, HUO
Keywords: Building
PFM
Project and Facilities Management
2018/2019 PFM
Teo Ai Lin Evelyn
Schematic cost estimation
Building Information Modeling (BIM)
5D Cost estimation
BIM-based Quantity take-off
Generative design tool
Issue Date: 10-Jun-2019
Citation: XIAOWEN, HUO (2019-06-10). DEVELOPING AN INTEGRATED SYSTEM IN GRASSHOPPER FOR BIM-BASED COST ESTIMATION IN SCHEMATIC DESIGN STAGE. ScholarBank@NUS Repository.
Abstract: This study discusses the difficulty facing by Quantity Surveyor (QS) on having rapid response to every design changes happen for projects at the schematic design stage by producing reliable revised cost estimations. Although the evolution of Building Information Modeling (BIM) has brought a significant change to the traditional QS practices by having the capability of automating quantity takeoff (QTO) and cost estimation tasks with high efficiency and accuracy compared to the traditional manual practices by QS, current BIM-based cost estimating approaches are having their own disadvantages and therefore it give a rise to the need of exploring a better solution for QS with regards to the cost estimation production. This paper has proposed an integrated system which is adopting the well-recognized cost estimation capability of BIM and the powerful computational functions of generative design tool. Two essential procedures, namely System Development Process and System Validation Process have been went through for the successful development of the system. A BIM design tool called "ArchiCAD" has been used in this study for creating building models with accurate information embedded in each element while a generative design tool called "Grasshopper" has been adopted as a platform for the creation of the system. The proposed integrated system aims to provide rapid yet live connection between the quantity-related information in BIM model and a reliable cost database thus to help QS to generate accurate cost estimation for any changes occur to projects in a more cost effective, efficient as well as convenient way.
URI: https://scholarbank.nus.edu.sg/handle/10635/223609
Appears in Collections:Bachelor's Theses

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