Extending Building Information Modelling for Cost Planning

“EXTENDING BUILDING INFORMATION MODELLING FOR COST PLANNING”

Table of Contents

Keywords

Table of Contents

Chapter 1: Introduction

1.1 Background

1.2 Context

1.3 Purposes

1.4 Significance, Scope and Definitions

Chapter 2: Literature Review

2.1 Historical Background

2.2 Collaborative effort with designers and trust-building

2.3 BIM Modelling Standards for Measurement

2.4 Level of Development (LOD) Specification Standards

2.5  Quantity Survey Tasks & pERFORMANCE METRICS

Chapter 3: Research Design

3.1 Methodology and Research Design

3.2 Participants

3.4 Procedure and Timeline

Bibliography

Chapter 1:   Introduction

1.1         Background

  Despite latest developments in integrated progress management systems and tools, they are not used by most construction firms globally for their designs. That can be due to several reasons, like the elevated price of equipment and technology, the need for qualified quantity surveyors and the absence of adequate data on the effect of automated progress surveillance on project cost control. The aim is to outline research on the effectiveness of automated progress monitoring on key variable of project results: cost

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1.2         Context

BIM offers the project’s key data phase. The development of the BIM model is helped by all design consultants. The quantity surveyor (QS) analyzes the BIM model at frequent intervals. The QS tracks costs through disciplines and system of engineering. Any increase in costs is recognized and it is possible to make tradeoffs within the project budget.

1.3         Purposes

The paper will show BIM’s effect on the construction industry’s future, using Australia as a case study, will address: wider fields of the constructed environment such as: building sustainability and the implementation of multiple information and communication technologies for fast and efficient exchange of information in building procedures and products.

1.4         Significance, Scope and Definitions

The project’s ultimate goal is to extend the BIM to make it effective in the building industry and incorporate all building process departments within a specified timeframe in order to prevent excess costs. It has been observed among construction professionals that Architects and Construction companies have surfaced as the professional organizations leading the use of BIM in Australia’s construction design and execution.

Chapter 2:   Literature Review

Previous studies mostly defined BIM as a tool used for designing models for construction, but this paper would discuss about other key aspects of BIM such as Cost planning and integrated system which needs attention for making.

      2.1 Collaborative effort with designers and trust-building

The significance of creating powerful collaborations with designers, gaining confidence over time and demonstrating the value that cooperation can bring to all sides. This has always been one of the quantity surveyor’s traditional roles in the 2D world and in the BIM world there is no fundamental difference.

This collaboration should extend to explain to designers in what form and how the model can be improved the information / data that the quantity surveyor needs. It is essential for the quantity surveyor to be able to clearly articulate what they want and clarify the merits in offering this to the designer. Ideally the surveyor requires the model’s indigenous files.

2.2   BIM Modelling Standards for Measurement

 For project cost executives, the variance in modeling norms continues a major problem. The absence of coherent modeling norms needs QS to adapt to such a variety of methods–resulting in apparent redundancies and time wasted. By creating cooperative relationships with architects, project cost executives try to decrease this issue.

2.3         Level of Development (LOD) Specification Standards

BIM specification standards are essential for project cost executives and other building experts during the different phases of project development to help them define their data demands during these different phases. The BIM Forum (2013) created a specification for Level of Development (LOD) with prospective worldwide implementation. It is a reference that allows professionals to specify and articulate the content and reliability of Building Information Models (BIMs) at different stages of the design and construction process with a high degree of clarity.

2.4         Quantity Survey Tasks & pERFORMANCE METRICS

During design, the 5D goal is to produce a living price plan that offers a coherent structure for early decision-making. Using existing design data, the living cost schedule should also be updated and communicated (on a weekly / quarterly / monthly basis). The 5D goal is also to provide a streamlined structure for awarding and procuring building agreements during construction.

The model map which will make the cost plan becomes more comprehensive as the Level of Development (LOD) model advances to become the foundation for quantity take-off for purchasing and tendering, valuing differences, changing orders and advance payments during construction and replacement job during the building procedure. The 5D goal at completion is to produce a cost-integrated “as constructed” model that can be synchronized with the FM scheme to transfer cost of replacement, base dates, anticipated and efficient life, estimated running and maintenance costs.

Chapter 3:   Research Design

3.1         Methodology and Research Design

3.1.1   Methodology

A project’s expense is directly associated with the timetable. How many hours of job are needed for each step? How will the price be affected by design modifications and delays? Meanwhile, there is continuing pressure from owners and general contractors to strengthen schedules. This project will investigate how estimating and scheduling can be further incorporated into a project team to guarantee that costs are precise, while capitalizing on the recent 5D BIM,  comparison of multiple QS companies in Brisbane, SWOT analysis, and presenting interviews with numerous important individuals in this sector.

3.1.2   Research Design

A mixture of quantitative and qualitative processes is involved in the research design. The project will outline the present BIM condition in Australia in the first phase. Then, with the assistance of Autodesk Revit, it will concentrate on the cost analysis software model.

3.2         Participants

Team Leader

(Professor Robin Drogemuller)

Master student

(Civil Engineer)

 Procedure and Timeline

• The research includes 3 stages.Literature review:  The first phase of this project is to discover journal articles in order to gain general knowledge in BIM cost planning. It will provide some thoughts to enhance BIM’s 5D by studying past model instances.

• Data collection:

The information for this project would be gathered from the major Brisbane Quantity Survey companies. The research will stimulate information based on case studies before this study. As a corollary, it will provide a general understanding of how cost planning can be extended by BIM.

• Data Analysis:

This phase describes the methods used in the integrated design of BIM for cost planning with the help of Autodesk Revit for an existing building. The implementation of this program will yield theoretical and practical decisions to make BIM more productive for companies.

Bibliography[i]

• Elbeltagi, E., Hosny, O., Dawood, M.A., & Elhakeem, A. (2014). BIM-Based Cost Estimation/ Monitoring For Building Construction.
• Liang Gong, & Zigo, T. (2018). Estimating and Scheduling Integration: Automated 5D BIM Case Study.
• Smith, P. (2016). Project Cost Management with 5D BIM. Procedia – Social and Behavioral Sciences, Volume 226, 193-200.
• Utiome, E. A. E. (2015). Extending building information models to construction specifications. (PhD), Retrieved from https://eprints.qut.edu.au/84929/

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