This paper takes a look at the traditional method of Design and Planning of Buildings. It introduces the concept of Building Information Modeling (BIM) and how it can be effectively used in large scale multi-location projects. A case study is presented to showcase the technology. Finally the challenges in immplementing BIM are dscussed as a way forward

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Using Building Information Modelling (BIM)
in Large Scale Multi-locational Projects
Jun 2013
BIM INDIA : Summit
Tejwant Navalkar
Executive Director – DFX Systems Pvt Ltd

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AGENDA
 Review of the current Design and Planning Process
 Understanding BIM
 Recognizing the role of BIM in meeting project objectives
 Change in Design/ Planning Process using BIM
 The BIM Experience in Large scale projects
 Challenges in the Implementation of BIM
 Conclusion

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 The architect takes the building through design development
before handing the design to the Structural and MEP
engineers
 There is an iterative (seemingly unending) process of
interaction between the Architect, Structural and MEP
Engineers.
 After review of cost, the owner initiates changes and the
whole design process is repeated
 The entire design is then co-ordinated, resulting in more
iterative stages in design
 The Working drawings are handed to the contractor, who also
goes through a process of review.
 Clashes, constraints are observed at site, which calls for
designer intervention to resolve issues.
 All this results in constant communication between all the
team members
Traditional Design and Planning Process

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Traditional Design and Planning Process

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The BIM approach to Design and Planning
 The term “BIM” is used to describe the end product as well as the
process of the project delivery.
 The design team uses BIM as a work process and means of
communicating with one another, the end product of which is the
model.
 BIM is a virtual process that encompasses all aspects, disciplines,
and systems of a building within a single, virtual model, allowing all
design members to collaborate accurately and efficiently.
 In the BIM process, team members are constantly refining and
adjusting their portions according to owner preferences, systems
compatibility, to ensure the model accurately represents the
design intent at all times
 The model itself is used to calculate materials take-offs for cost
estimation, as well as for clash detection.
 Due to the creation of a central database of all components of the
building model, the financial impact of design changes are
immediately reflected, thereby facilitating decision making process.

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The BIM approach to Design and Planning

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Role of BIM in Large Scale Multi-Location Projects
 Large Scale Projects cannot afford cost or time over-runs
 Multi location Projects cannot afford to re-invent the wheel at each
location and need standardized templates for profitability.
 BIM provides the platform to share the building database
across multiple projects. The virtual model is amenable to replication.
 Cost Implications can be effectively monitored at every stage.
 Good for construction drawings are auto generated from the BIM
model with incremental inputs
 Labour can be trained on the construction methodology using the
visual BIM model, resulting in increased productivity and reduced
reworking.
 Visual display of progress of work of all distributed sites at a
central location for easy monitoring

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BIM : Building Model

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BIM : Building Shell

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BIM : Foundation and Stub Columns

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BIM : Internal Layouts

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BIM : Excavation, Basement and Stilt

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BIM : Plumbing Pipe Network at Stilt Level

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BIM : Clash Detection of Chambers and Foundations

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BIM : Toilet Internal Piping Details

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 Inculcating discipline in approach in all team members
participating in the design and planning process
 Changing the “Design As You Build” mindset amongst
architects and engineers
 Ensuring that all details are provided from the outset,
and realize that BIM is a virtual construction process
 Realizing that the BIM Modeler needs to be an integral
part of the Design and Engineering team, and must be
on board at the start of the Design and Engineering stage
itself.
 Defining the process to verify the accuracy of the model
created
 Defining the process of co-ordination, clash detection and
its removal
Challenges in BIM Implementation (1/2)

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 Designing the modeling process to ensure that the file sizes
remain manageable, yet a fully integrated view can be easily
generated and model is amenable to frequent changes in
design
 Process of generating accurate 2-D drawings from the BIM
Model, with details adequate enough to be used as working
drawings
 Accurately defining project schedules so that these can be
seamlessly integrated with the BIM 4-D simulation
 Defining a suitable Work Breakdown structure for on-line Cost
generation from BIM, 5-D stage
 Defining parameters related to manufactures data to be linked
to BIM elements
Challenges in BIM Implementation (2/2)

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Benefits of using BIM

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Tejwant Navalkar : +91-9821411436
tmn@dfxsystems.org
Contact Details
DFX Systems Pvt Ltd
Engineering & Renewable Energy Solutions
Your Partner
in
Designing For eXcellence
www.dfxsystems.org
Tel: 91-22-2422 2664

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