Building information modelling report

SEMINAR FILE
ON
BUILDING INFORMATION MODELLING
SUBMITTED IN PARTIAL FULFILMENT OF THE REQUIREMENTS FOR THE AWARD OF THE
DEGREE OF
BACHELOR OF TECHNOLOGY
(CIVIL)
DEPARTMENT OF CIVIL ENGINEERING
GURU NANAK DEV ENGINEERING COLLEGE, LUDHIANA
NOVEMBER, 2017
SUBMITTED BY: - UNDER GUIDENCE: -
KIRANDEEP SINGH Asst. Prof. INDERPREET KAUR
D4CEA1 Asst. Prof. PRITPAL KAUR
140070/1410664
i

CERTIFICATE
I hereby certify that the work which is being presented in the seminar report file entitled
“BUILDING INFORMATION MODELLING” by “KIRANDEEP SINGH(140070)”, in
partial fulfillment of requirements for the award of degree of B.Tech (CIVIL) submitted in
the Department of Civil Engineering at GURU NANAK DEV ENGINEERING
COLLEGE, LUDHIANA under I.K. GUJRAL PUNJAB TECHNICAL UNIVERSITY,
KAPURTHALA is an authentic record of my/our own work carried out during a period from
4-07-2017 to 28-11-2017 under the guidance of Asst. Prof’s INDERPREET KAUR and
PRITPAL KAUR. The matter presented in this project report has not been submitted by
me/us in any other University / Institute for the award of any Degree or Diploma.
Signature of the Student
KIRANDEEP SINGH (140070)
This is to certify that the above statement made by the candidates is correct to the best of
my/our knowledge
Signature of the Seminar Guide’s
Asst. Prof. INDERPREET KAUR
Asst. Prof. PRITPAL KAUR
ii

ACKNOWLEDGEMENT
I am highly grateful to director, Guru Nanak Dev Engineering College Ludhiana for
providing this opportunity to carry out the present seminar work.
The constant guidance and encouragement received from Dr. K.S. GILL professor and head
department of civil engineering GNDEC Ludhiana has been of great help in carrying out the
work and acknowledgement with reverential thanks.
I would like to express a deep sense of gratitude and thanks profusely to Asst. Prof.
INDERPREET KAUR and PRITPAL KAUR of civil engineering GNDEC Ludhiana, who
was our seminar guide without the wise counsel and able guidance, it would have been
impossible to complete that in this manner.
I express gratitude to other faculty member of civil engineering department GNDEC and
head staff of laboratories GNDEC for their intellectual support throughout the course of this
work
Finally, I am indebted to all whosever have contributed in this seminar work.
KIRANDEEP SINGH (140070)
iii

ABSTRACT
The subject of building information modeling (BIM) has become a central topic of the
improvement of the AECOO (Architecture, Engineering, Construction, Owner, and
Operator) industry around the world, to the point where the concept is being expanded into
domains it was not originally conceived to address. Transitioning BIM into the domain of
infrastructure projects has provided challenges and emphasized the constructor perspective
of BIM. Therefore, this study aims to collect the relevant literature regarding BIM within the
Infrastructure domain and its use from the constructor perspective to review and analyze the
current industry positioning and research state of the art, with regards to the set criteria. The
review highlighted a developing base of BIM for infrastructure. From the analysis, the
related research gaps were identified regarding information integration, alignment of BIM
processes to constructor business processes & the effective governance and value of
information. From this a unique research strategy utilizing a framework for information
governance coupled with a graph-based distributed data environment is outlined to further
progress the integration and efficiency of AECOO Infrastructure project.
The results embrace the requirements for a BIM research methodology, with an example of
methods and procedures, an R&D review with critique, and a multi-standpoint framework
for developments with concrete recommendations, supported by BIM metrics, upon which
the progress of tools, models, and standards may be measured, evaluated, streamlined, and
judged. It is also proposed that any BIM Schema will never be ‘completed’ but should be
developed as evolutionary ontology by ‘segmented standpoint models’ to better account for
evolving tools and AEC/O practices.

TABLE OF CONTENT
S.NO CONTENTS PAGE NO.
1. Chapter 1-Introduction 1-7
2. Chapter 2-Literature Review 8-14
3. Chapter 3-Methodology 15-16
4. Chapter 4-Objectives 17
5. Conclusions 18-19
6. References 20-21

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CHAPTER 1
1.1 INTRODUCTION
Building Information Modeling (BIM) is an intelligent model-based process that provides
insight for creating and managing building projects faster, more economically, and with less
environmental impact.
It is a process of creating and managing 3D building data during its development. BIM is a
complex multiphase process that gathers input from team members to model the components
and tools that will be used during the construction process to create a unique perspective of
the building process.
The 3D process is aimed at achieving savings through collaboration and visualization of
building components into an early design process that will dictate changes and modifications
to the actual construction process.
It is a very powerful tool that when used properly will save money, time and simplify the
construction process.
Over the year the industry has commercialized BIM towards architectural related
professionals, however, the real purpose and benefits of BIM relate to all construction
industry professionals. The 3D representation of the building and now used in roads and
utilities too and is geared towards all construction professionals, and all of you are
responsible for understanding the process and participate in providing input to the software.
BIM makes a reliable digital representation of the building available for design decision
making, high-quality construction document production, construction planning, performance
predictions, and cost estimates. Not only, that BIM can also be used by the property owners,
once the construction process has ended, to carefully monitor how the building is performing
and to complete repairs efficiently.
The building information modeling process covers geometry, space, light, geographic
information, quantities, and properties of building components. BIM can be used to
demonstrate the entire building life cycle, including the processes of construction and facility
operation.

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1.2 HISTORY OF BIM
 In 1957, Dr. Patrick J. Hanratty had developed the first commercial CAM (Computer
Aided Machining) program.
 The first CAD software with a graphical interface was Sketchpad, developed in 1963
by Ivan Sutherland.
 During the 1960s, Hanratty himself developed DAC, a CAD system, while working
for General Motors Research.
 During the 1970s the transformation from 2D to 3D began.
 During the 1980s the Autocad,CATIA, Pro/Engineer, Unigraphics and I-DEA became
the leading CAD software packages.
 During the 1990s the transition from 2D to 4D CAD begans.That is the transition zone
to the BIM.
1.3 NEED OF BIM
 BIM provides a way to work concurrently on most aspects of building life cycle
process.
 Provides a way to change traditional architectural phases and data sharing.
 The modeling process integrates actual construction pieces and parts
 BIM can be used as a tool to estimate and complete construction cost forecasting
 Used to monitor actual building performance data
 The software can be used to collect data on warranty, aging, defects, and installation
time
 Determine whether a temporary construction set up is needed
 Can be used to sequencing planning or determining how the phases of a project should
be scheduled.
 Detect or avoid construction and design issues early in the game preventing change
orders and unforeseen conditions

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1.4 BIM APPLICATIONS
The BIM application process can be used during design and architecture process creating a
clear picture used for better and more integrated designs.
The software will be used to foresee problems and coordination between different
contractors and as a way to generate construction documents and process that will later be
implemented during the physical process. It is ideal when there are many trades executing at
the same moment or when schedules are compressed. There are multiple applications for
BIM so it can be used by the following groups:
 Architecture
 Sustainability
 Structures
o Detailed design
o Design Analysis
 MEP
 Construction Management
o Time Mangement (PERT & CPM)
 Utilities
 Road Construction
 Scheduling
o Cost Analysis & Quantity schedule
 Property Management
 Documentation
Industry groups are trying to develop one standardized BIM model that can be used to
integrate all different types of modeling systems. By doing this, they will facilitate the
coordination and communication in the design-construction-operation team under one single
platform. The purpose of this movement is to create a single data center, with multiple CAD
and specs depending on the discipline that you are working for.
All data will then come together allowing it to be used for take-offs, analysis, coordination
and important project milestones. This effort will help standardize the process and will
establish a base that can be used during the bidding process so everyone can be judged using
some standard guidelines.
The BuildingSmart Alliance, a council of the National Institute of Building Sciences, in
Washington, D.C., is leading these efforts towards a National BIM Standard.

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1.5 BIM OVER CAD
One of the main advantages to introducing a design method that will resonate with everyone
from project managers to contractors and developers is cost savings. With BIM being
mandated in Singapore for several years, Redstack has gained significant experience
implementing BIM and is seeing BIM deliver significant cost savings for design and
construction projects.
In the days of 2D drawing, it was impossible to fully visualise what a project would actually
look like until it was built. By then, minor issues that could be easily spotted and amended
with BIM solutions have become expensive headaches instead. Not only do they cost money
to fix, they take time as well. If there's anything worse than a project that's over budget, it's
one that's also late.
In our experience, contractors choose BIM solutions because they can achieve a cost saving
of between 10 and 12 per cent over the course of a contract.
BIM is not a software product, but rather a methodology that seeks to link all parts of the
design and construction process, ensuring that any problems can be reworked before
contractors break ground.
It does this through a series of steps to ensure there is consistency throughout the design
process. These are:
 Visualisation - see how the drawings look and ensure they are viable.
 Coordination - work out how the design will manifest once construction starts.
 Collaboration - get architects, project managers and contractors working with
consistent information.
Aside from missing out on the collaboration advantages and cost savings BIM delivered,
BIM is being mandated on projects around the world and those that are not BIM ready are
missing out on winning contracts. BIM has been mandated in Singapore for several years
now and we have seen the early adopters of BIM thrive while those reluctant to change have
struggled to remain competitive. We are seeing the same trend emerge around the world.
Those who are implementing BIM now are more likely to survive and thrive in the future.

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1.6 BIM MATURITY LEVELS
The concept of “BIM Levels” has become the ‘accepted’ definition of what criteria are
required to be deemed BIM-compliant, by seeing the adoption process as the next steps in a
journey that has taken the industry from the drawing board to the computer and, ultimately,
into the digital age.
 Level 0 BIM
This level is defined as unmanaged CAD. This is likely to be 2D, with information being
shared by traditional paper drawings or in some instances, digitally via PDF, essentially
separate sources of information covering basic asset information. The majority of the
industry is already well ahead of this now.
 Level 1 BIM
This is the level at which many companies are currently operating. This typically comprises
a mixture of 3D CAD for concept work, and 2D for drafting of statutory approval
documentation and Production Information. CAD standards are managed to BS 1192:2007,
and electronic sharing of data is carried out from a common data environment (CDE), often
managed by the contractor. Models are not shared between project team members.
 Level 2 BIM
This is distinguished by collaborative working — all parties use their own 3D CAD models,
but not necessarily working on a single, shared model. The collaboration comes in the form
of how the information is exchanged between different parties — and is the crucial aspect of
this level. Design information is shared through a common file format, which enables any
organisation to be able to combine that data with their own in order to make a federated BIM
model, and to carry out interrogative checks on it. Hence any CAD software that each party
used must be capable of exporting to one of the common file formats such as IFC (Industry
Foundation Class) or COBie (Construction Operations Building Information Exchange).
This is the method of working that has been set as a minimum target by the UK government
for all work on public-sector work, by 2016.
 Level 3 BIM
Currently seen as the holy grail, this represents full collaboration between all disciplines by
means of using a single, shared project model which is held in a centralized repository. All
parties can access and modify that same model, and the benefit is that it removes the final
layer of risk for conflicting information. This is known as ‘Open BIM’. Current nervousness
in the industry around issues such as copyright and liability are intended to be resolved — the
former by means of robust appointment documents and software originator/read/write
permissions, and the latter by shared-risk procurement routes such as partnering. The CIC
BIM Protocol makes provision for these.

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1.7 TYPES OF BIM
 BIM 3D-PARAMETRIC DATA IN COLLABORATIVE MODEL
BIM revolves around an integrated data model from which various stakeholders such
as Architects, Civil Engineers, Structural Engineers, MEP System Engineers, Builders,
Manufacturers and Project Owners can extract and generate views and information
according to their needs. 3D BIM's visualizations capabilities enables participants to
not only see the building in three dimensions before ground is ever broken, but also to
automatically update these views along the project life cycle, from earliest conception
to demolition. BIM 3D helps participants to manage their multidisciplinary
collaboration more effectively in modelling and analysing complex spatial and
structural problems. Furthermore because accurate data can be collected along the
project life cycle, and stored in the Building Information Model, new value can be
added to predictive models allowing to resolve issues proactively.
o Benefits
1. Improved visualization of the project, communication of design intent
2. Improved multidisciplinary collaboration
3. Reduced rework
 BIM 4D-SCHEDULING
4D-BIM (four-dimensional building information modelling) is used for construction
site planning related activities. The fourth dimension of BIM allows participants to
extract and visualize the progress of their activities through the lifetime of the
project.The utilization of 4D-BIM technology can result in improved control over
conflict detection or over the complexity of changes occurring during the course of a
construction project. 4D BIM provides methods for managing and visualizing site
status information, change impacts as well as supporting communication in various
situations such as informing site staff or warning about risks.
o Benefits
Integrating BIM with 4D CAD simulation models bring benefits to participants in
terms of planning optimization.
Builders and manufacturers can optimize their construction activities and team
coordination.
 BIM 5D-ESTIMATING
5D-BIM (fifth-dimensional building information modelling) is used for budget
tracking and cost analysis related activities. The fifth dimension of BIM associated
with 3D and 4D (Time) allows participants to visualize the progress of their activities
and related costs over time.

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The utilization of 5D-BIM technology can result in a greater accuracy and
predictability of project's estimates, scope changes and materials, equipment or
manpower changes. 5D BIM provides methods for extracting and analysing costs,
evaluating scenarios and changes impacts.
o Benefits
Integrating BIM with 5D CAD simulation models enables the development of more
efficient, cost-effective and sustainable constructions.
 BIM 6D-SUSTAINABILITY
6D-BIM (sixth-dimensional building information modelling) helps perform energy
consumption analyses.The utilization of 6D-BIM technology can result in more
complete and accurate energy estimates earlier in the design process. It also allows for
measurement and verification during building occupation, and improved processes for
gathering lessons learned in high performance facilities.
o Benefits
Integrating BIM with 6D CAD simulation models leads to an overall reduction in
energy consumption.
 BIM 7D-FACILITY MANAGEMENT
7D-BIM (seventh-dimensional building information modelling) is used by managers
in the operation and maintenance of the facility throughout its life cycle. The seventh
dimension of BIM allows participants to extract and track relevant asset data such as
component status, specifications, maintenance/operation manuals, warranty data
etc.The utilization of 7D-BIM technology can result in easier and quicker parts
replacements, optimized compliance and a streamlined asset life cycle management
over time. 7D BIM provides processes for managing subcontractor/supplier data and
facility component through the entire facility life cycle.
o Benefits
Integrating BIM with 7D CAD simulation models optimizes asset management from
design to demolition.
1.8 OBJECTIVES
 To explore the process of Building Information Modelling.
 To study about the various BIM software.
 To study about Industry Foundation Classes(IFC).

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CHAPTER 2
2.1 LITERATURE REVIEW
A.H.Oti et al.(2016) studied The provision of Application Programming Interface (API) in
BIM-enable tools can contribute to facilitating BIM-related research. APIs are useful links
for running plug-ins and external programmes but they are yet to be fully exploited in
expanding the BIM scope. The modelling of n-Dimensional (nD) building performance
measures can potentially benefit from BIM extension through API implementations.
Sustainability is one such measure associated with buildings. For the structural engineer,
recent design criteria have put great emphasis on the sustainability credentials as part of the
traditional criteria of structural integrity, constructability and cost. This paper examines the
utilization of API in BIM extension and presents a demonstration of an API application to
embed sustainability issues into the appraisal process of structural conceptual design options
in BIM. It concludes that API implementations are useful in expanding the BIM scope. Also,
the approach including process modelling, algorithms and object-based instantiations
demonstrated in the API implementation can be applicable to other nD building performance
measures as may be relevant to the various professional platforms in the construction
domain.
Miyoung Ohm et al.(2017) studied The emergence of building information modeling (BIM)
has generated several BIM jobs. However, despite opinions by BIM experts, questions
regarding BIM jobs and their competencies still have no clear solution. This paper addresses
this question by the collection and analysis of 242 online job postings, written in English,
from the US, the UK, and China. These 242 job postings comprised a total of 32,495 words,
from which 35 types of job titles and 5,998 terms related to job competency were extracted.
Sequentially, the 35 job types were classified into eight BIM job types by analyzing the
relations between the job titles using the role and position analysis of social network
analysis. The eight BIM job types were BIM project manager, director, BIM manager, BIM
coordinator, BIM designer, senior architect, BIM mechanical, electrical, and plumbing
(MEP) coordinator, and BIM technician. The 5,998 competency-related terms were
categorized into 43 competency elements using the O*NET classification as a framework for
analysis. The 43 competencies were then subcategorized into essential, common, and job-
specific competencies for the eight BIM job types. The findings of this paper could
contribute to the research, industry, and academia by a) providing researchers with a
scientific foundation for conducting studies related to BIM jobs and competence in the
future; b) setting up guidelines for recruiting and training BIM experts in the industry; and c)
allowing universities to develop BIM-related courses depending on their educational goals.

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Yang Zou et al.(2016) studied Risk management in the AEC (Architecture, Engineering and
Construction) industry is a global issue. Failure to adequately manage risks may not only
lead to difficulties in meeting project objectives but also influence land-use planning and
urban spatial design in the future growth of cities. Due to the rapid development and
adoption of BIM (Building Information Modelling) and BIM-related digital technologies, the
use of these technologies for risk management has become a growing research trend leading
to a demand for a thorough review of the state-of-the-art of these developments. This paper
presents a summary of traditional risk management, and a comprehensive and extensive
review of published literature concerning the latest efforts of managing risk using
technologies, such as BIM, automatic rule checking, knowledge based systems, reactive and
proactive IT (information technology)-based safety systems. The findings show that BIM
could not only be utilised to support the project development process as a systematic risk
management tool, but it could also serve as a core data generator and platform to allow other
BIM-based tools to perform further risk analysis. Most of the current efforts have
concentrated on investigating technical developments, and the management of construction
personnel safety has been the main interest so far. Because of existing technical limitations
and the lack of ‘‘human factor” testing, BIM-based risk management has not been commonly
used in real environments. In order to overcome this gap, future research is proposed that
should:
(1) have a multi-disciplinary system-thinking
(2) investigate implementation methods and processes
(3) integrate traditional risk management with new technologies
(4) support the development process
Olugbenga O. Akinade et al.(2016) studied the future directions of effective Design for
Deconstruction (DfD) using BIM-based approach to design coordination. After a review of
extant literatures on existing DfD practices and tools, it became evident that none of the tools
is BIM compliant and that BIM implementation has been ignored for end-of-life activities.
To understand how BIM could be employed for DfD and to identify essential functionalities
for a BIM-based deconstruction tool, Focus Group Interviews (FGIs) were conducted with
professionals who have utilised BIM on their projects. The interview transcripts of the FGIs
were analysed using descriptive interpretive analysis to identify common themes based on
the experiences of the participants. The themes highlight functionalities of BIM in driving
effective DfD process, which include improved collaboration among stakeholders,
visualisation of deconstruction process, identification of recoverable materials,
deconstruction plan development, performance analysis and simulation of end-of-life
alternatives, improved building lifecycle management, and interoperability with existing
BIM software. The results provide the needed technological support for developing tools for
BIM compliant DfD tools.

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Yujie Lu et al.(2017) studied the applications of BIM for the development of green
buildings, the activity of making buildings in a way that protects the natural environment.
As the usefulness of BIM has been widely recognized in the building and construction
industry, there is an urgent need to establish an up-to-date synthesis on the nexus between
BIM and green buildings. After an indepth review of hundreds of journal articles published
from 1999 to 2016 and 12 widely used types of BIM software, this study provides a holistic
understanding and critical reflection on the nexus between BIM and green buildings, which
is systematically illustrated by a “Green BIM Triangle” taxonomy. The proposed taxonomy
indicates that the nexus between BIM and green buildings needs to be understood based on
three dimensions, namely project phases, green attributes and BIM attributes. Following the
proposed taxonomy, this paper systematically illustrated
1) The applications of BIM in supporting the design, construction, operation, and retrofitting
processes of green buildings
2) The various functions of BIM for green building analyses such as energy, emissions, and
ventilation analysis
3) The applications of BIM in supporting green building assessments (GBA)
4) Research gaps and future research directions in this area. Through critical review and
synthesis of BIM and green buildings based on evidence from both academic research and
industrial practices, this paper provides important guidance for building researchers and
practitioners to better align BIM development with green building development in the future.
Hasan Burak Cavka et al.(2016) studied that Building information modeling (BIM) is
emerging as a potential solution for facility owners to address the challenges of poor
information fidelity, interoperability, and usability in project delivery to support the lifecycle
of their assets' information. Despite the many benefits offered by BIM, its use for facility
operations remains significantly limited. The reality is that implementing BIM in large
owner organisations is a complex challenge. In particular, a significant barrier to BIM
adoption for owners is the challenge of identifying and formalizing the information
requirements needed to support model-based project delivery and asset management. This
paper presents the results of a longitudinal research project that investigated two large owner
organisations in Canada to better understand the process of developing and formulating BIM
requirements to support the lifecycle of their assets. Specifically, the objectives were to
formalize an iterative approach to the identification and characterization of owner
requirements and to develop a conceptual framework that would relate digital and physical
products to owner requirements and organisational constructs, to underpin the formalization
process. As part of this research an array of requirements documentation were analysed,
interviews were performed with numerous facility management personnel, and BIMs from
four projects were analysed. A methodology is introduced to support a rigorous and detailed
analysis of BIM requirements. The investigation of the owner requirements helped to
develop an understanding of the required information content, and its alignment with BIM.
Finally the relationships between organisational constructs, owner requirements, and BIM

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were mapped. As the construction industry shifts towards model-based project delivery, this
research will inform owners about how to think about handover of digital facility models,
and what to require in models based on their specific needs.
Mohammed Kaseem et al.(2016) studied that the adoption of Building Information
Modelling (BIM) across markets is a pertinent topic for academic discourse and industry
attention. This is evidenced by the unrelenting release of national BIM initiatives; new BIM
protocols; and candidate international standards. This paper is the second part of an ongoing
Macro BIM Adoption study: the first paper “Macro BIM Adoption: Conceptual Structures”
(Succar and Kassem, 2015) introduced five conceptual models for assessing macro BIM
adoption across markets and informing the development of BIM adoption policies. This
second paper clarifies how these models are validated through capturing the input of 99
experts from 21 countries using a survey tool; highlights the commonalities and differences
between sample countries with respect to BIM adoption; and introduces sample tools and
templates for either developing or calibrating BIM adoption policies. Survey data collected
indicate that all five conceptual models demonstrate high levels of ‘clarity’, ‘accuracy’
and ‘usefulness’, the three metrics measured. They also indicate (1) varying rates of BIM
diffusion across countries with BIM capability near the lower-end of the spectrum; (2)
varying levels of BIM maturity with – the mean of - most macro BIM components falling
below the medium level; (3) varying diffusion dynamics across countries with the prevalence
of the middle-out diffusion dynamic; (4) varying policy actions across countries with a
predominance of the passive policy approach; and (5) varying distribution of diffusion
responsibilities among player groups with no detectable dominant pattern across countries.
Xiao Li et al.(2016) studied that Building Information Modeling (BIM) has been recognized
as an emerging technological innovation which can
help transform the construction industry and it has been adopted broadly in the field of built
environment. Due to the rapid development of BIM research, various stakeholders require a
state-of-the-art review of the BIM research and implementation. The purpose of this paper is
to provide an objective and accurate summary of BIM knowledge using 1874 published
BIM-related papers. The results show that 60 key research areas, such as information
systems, 3D modeling, design and sustainability and 10 key research clusters, such as
architecture design studio, building information and lean construction, are extremely
important for the development of BIM knowledge. The results are useful for the
identification of research clusters and topics in the BIM community. More importantly, these
results can help highlight how BIM-related research evolves over time, thus greatly
contributing to understanding the underlying structure of BIM. This study offers useful and
new insights to summarize the status quo of BIM knowledge and can be used as a dynamic
platform to integrate future BIM developments.

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Shahryar Habibi(2017) studied that In order to raise awareness of the role of building
information modeling (BIM) in improving energy effi-ciency and comfort conditions, the
work introduces a strategy of combining building simulation tools andoptimization methods.
Furthermore, it emphasizes the fact that a combination of these strategies withBIM can
improve not only the construction process but also enable exploration of alternative
approaches.The work discusses the potential application of data integration methodology for
an office environmentand focuses on the review of the potential performance of integrated
systems. It also explains how BIMcan help facilitate review of results and methods for
improving building performance in terms of energyefficiency and indoor environmental
quality.
Shabtai Issac et al.(2017) studied that the fact that a large portion of the work in
construction projects is usually carried out by different subcontractors, makes an effective
work packaging process crucial for the subsequent execution planning. However, the
definition of optimal work packages is currently challenging and time consuming. A method
was developed to allow the work packaging process to be carried out in a more accurate and
efficient way, using data from Building Information Models (BIM). This method is based on
a bottom-up approach that can take into account relations between specific components, and
the consequent interruptions that will occur in the construction processes. The method
incorporates BIM data in Design Structure Matrices and Domain Mapping Matrices to
automatically generate a list of proposed work packages with minimal interfaces. An
application of the method in a case study demonstrated that it can accelerate the work
packaging process, and allow alternative solutions to be explored at an early stage in the
project.
Daniele Parrone et al.(2017) studied that the seismic performance of non-structural
elements is nowadays recognized to be a key issue in performancebased earthquake
engineering. The knowledge of construction details within a building is of paramount
importance in order to reduce uncertainties and improve the quality of the analysis and
design, particularly in regards to non-structural elements. The use of Building Information
Modelling (BIM) could represent a new frontier in the seismic design of non-structural
elements by increasing the reliability of the seismic design and/or assessment. This study
discusses the effectiveness of using Building Information Models in seismic design of non-
structural building elements. A simple tool has been developed to perform automatically the
seismic design of sway braces for pressurized fire suppressant sprinkler piping systems
based on information extracted from a Building Information Models. The effectiveness of
the proposed procedure was validated via a case study.

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Dolli Mansuri et al.(2017) studied that the formwork systems are accountable for a
significant share of the cost of reinforced concrete structures. The
application of constructability principles to the design, selection and management of
formwork systems in the preconstruction phase can significantly reduce the cost of
reinforced concrete construction projects. Although many studies have developed tools and
methodologies to automate the design and selection of formwork systems, few studies have
explored the benefits of improving the process of managing formwork. The focus of this
paper is on the use of BIM along with a cascading tool to maximize the return on formwork
investment and improve the management of formwork. This paper presents an approach to
utilize data drawn from the building
information models coupled with a cascading algorithm to efficiently manage the formwork
inventory on a construction project by generating a scheduled formwork reuse plan and
calculating the minimum quantity of formwork required for the project. The paper discusses
the use of BIM to extract data required for the cascading tool, working of the cascading
algorithm and the development of the tool. The paper ends by presenting a case study where
the developed tool was applied on a construction project in Cincinnati, Ohio and 13%
savings in formwork material cost was reported.
Weisheng Lu et al.(2015) studied that There is a lively debate on the application of Building
Information Modelling (BIM) to construction waste management (CWM). BIM can be
utilized as a less expensive, virtual, and computational environment to enable designers to
ponder different design options, or contractors to evaluate different construction schemes,
both with a view to minimizing construction waste generation. However, existing debate on
this topic too frequently treats BIM as a cure-all silver bullet; without some major hurdles
being adequately addressed, the applications of BIM will remain rhetorical. This paper aims
to demystify BIM's computational application to CWM. Based on
a critical literature review, a prototypical framework of a computational BIM for CWM is
delineated, within which the two key prerequisites of ‘information readiness’ and
‘computational algorithms’ are highlighted. Then, the paper details the required information
and how it can be organized in a standalone database or encapsulated in existing BIM for
CWM. Learning from the historical development of data infrastructure in the field of
BIMbased cost management, the process to develop the required information is likely to be
tortuous but is unavoidable. The paper further explores computational BIM algorithms that
can manipulate the information to facilitate decision-making for CWM. Finally, the
operation of computational BIM is elaborated by relating it to various prevailing
procurement models within which BIM applications are contextualized. Although the
framework reported here has been substantially developed for experimental application, , it is
not to be taken as an immediately applicable solution but rather as an illustration of the kind
of platform on which future development of computational BIM for CWM can proceed in a
more efficient and effective fashion.

14
Pawel Nowak et al.(2015) studied that the possibilities of Building Information Modeling
(BIM) techniques and relevant software for decision making optimization in construction.
Some relevant description of BIM elements needed for optimization in construction
investment process. Authors presents chosen tools for decision making - point of reference
method. Paper consist also practical example of suggested methodology use - choice of the
best location of the office building.
Lieyun Ding et al.(2014) studied that the utilization of Building Information Modeling
(BIM) has been growing significantly and translating into the support of various tasks within
the construction industry. In relation to such a growth, many approaches that leverage
dimensions of information stored in BIM model are being developed. Through this, it is
possible to allow all stakeholders to retrieve and generate information from the same model,
enabling them to work cohesively. To identify gaps of existing work and evaluate new
studies in this area, a BIMapplication framework is developed and discussed in this paper.
Such a framework gives an overview of BIM applications in the
construction industry. A literature review,within this framework, has been conducted and the
result reveals a research gap for BIMapplications in the project domains of quality, safety
and environmental management. A computablemulti- dimensional (nD)model is difficult to
establish in these areas becausewith continuously changing conditions, the decision making
rules for evaluating whether an individual component is considered good quality, or whether
a construction site is safe, also vary as the construction progresses. A process of expanding
from 3D to computable nD models, specifically, a possible way to integrate safety, quality
and carbon emission variables into BIMduring the construction phase of a project is
explained in this paper. As examples, the processes of utilizing nDmodels on real
construction sites are described. It is believed to benefit the industry by providing a
computable BIM and enabling all project participants to extract any information required for
decision making. Finally, the framework is used to identify areas to extend BIM research.

15
CHAPTER 3
3.1 METHODOLOGY
The BIM methodology involves the coordination of different technologies for project
management through a single 3D digital model that shortens the times of both the design and
the production, and therefore it reduces costs. It also implies a new way of coordinating the
different teams involved, improving the quality of the engineering projects, architecture and
construction.
In this article we will disaggregate the changes that have taken place in the working and
project development methods, optimizing the process, streamlining phases of the project and
achieving a more linear and collaborative workflow.
In the early stages, where the project evolves and is being generated, the BIM methodology
helps us to easily extract floors and sections from a single 3D model. This model is the germ
of the project and thanks to the various displays, it allows the understanding of the different
proposals by the customer and by our own team, and all that in real time.
Because of the importance of the project’s implementation on its place and its adaptation to
the environment, is valuable the information we can get about the energy evaluation of the
building. In this way from the initial phases comparatives of different sustainable solutions
are generated, allowing us to select the most appropriate from the conceptual phase. For this,
we use the BIM model to study the optimum orientation of the rooms, the amount of solar
radiation and lower environmental impact (6D). We may, if necessary, export the model to
specific tools that complement the information obtained from the native model.
The coordination of the design team begins gaining importance in the intermediate stages.
From the start, domains and the ability to modify the different design elements of each team
member, should be managed. BIM model and an open environment, enables various design
teams simultaneously design different parts of the project, without getting interference and
expediting the process.
During the most advanced stages of the design, the use of open standards allows the use of
the best specific tools in the calculation and sizing of structures and facilities. First of all, the
export to IFC of the architectural model allows engineers to import into their programs
modelling and analysis for evaluation and approval by the project coordinator. Subsequently
BCF file sharing enables the transmission of comments and observations as well as tracking
the modifications to the project that facilitates its traceability.
The IFC files are also used to federate or integrate the different partial models of the project,
and check the degree of collisions between them. By using verification tools we detect in
advance possible anomalies that may cause conflict later in work, and thus avoiding more
costly changes during the execution of the work.

16
Some unique elements require special attention during the development of the projects. To
do this, we can look at design options thanks to the use of parametric tools. With them we
can investigate and compare in detail alternatives that allow us to choose the most
convenient solution for our client. These tools are used to develop facades, finishes and even
unique elements in the interior design phase through the use of interoperable formats we can
design exclusive and unique furnishing that adds value to the proposal.
When it comes to elaborate the work’s documentation, the use of BIM methodology ensures
the correct coordination between the three-dimensional model (3D), the two-dimensional
planes exported to various formats (2D). Likewise, the use of displays of the model – with
specific applications for mobile devices – allows a much more completed and updated
reading of the project. This information is always at the disposal of work team and the client.
Finally, we can also export the IFC file model to measurement and budgeting programs (5D)
and also simulation, planning and construction management (4D) to complete the
information that we can extract from the model. Once the project is built, the BIM model can
still be used to carry out the comprehensive management of services and building
maintenance (7D).
The BIM methodology is definitely not a technological transformation by itself is not a
software, it is a change of mentality. Interoperability in the complex processes has become
essential in the market, traceability of actions and the inherent responsibilities of each
participant in development is essential to the smooth running of the project. Customer access
to all information in a simple and practical way in real time, is nowadays possible and
desirable.
3.2 CASE STUDIES
Power Generation Projects in China
 Wugachong Reservoir Project in Pu’an County of Guizhou Province
(Wugachong Water Conservancy and Hydropower Co., Ltd.) is a medium-sized
hydroelectric power project, which moved from 2D AutoCAD to 3D BIM using the
entire set of Bentley design applications, delivering the initial 3D model in just two
months. Bentley GEOPAK helped the team quickly solve a complex issue with the
topography of the site, enabling it to develop a zig-zag ramp design that would have
been difficult to visualize in 2D. Using ProjectWise, the team collaborated across all
engineering disciplines. It also created 3D videos using Bentley LumenRT to explain
the zig-zag design to their clients and to promote the organization’s capabilities for
other projects. Wugachong Water Conservancy and Hydropower Co., Ltd. is now
rolling out 3D BIM using Bentley technologies across other projects in the region and
it expects to save CNY 10 million (USD 1.5 million) on each project. The Wugachong

17
Reservoir project is a typical example of how the smaller design institutes are quickly
developing new skills and radically changing the way they deliver projects.
 Qiongzhong Pumped Storage Power Station (PowerChina ZhongNan
Engineering Corporation Limited) project exemplifies how China is moving toward
a greener future by using pumped storage to reduce its reliance on coal. Quoting from
its Be Inspired submission, the company said, “The cooperation of constructed
Qiongzhong Pumped Storage Power Station, nuclear power and new energy in Hainan
Province can achieve optimum allocation of energy resources, improve the utilization
rate of new energy power, and highlight the huge role of clean energy in energy
conservation and emission reduction, while delivering consistent power and ensuring
safe, stable, and economic operation of the system.” The pumped storage power
station adds up to 600 megawatts to the grid system and will help meet peak demands
for the growing Hainan economic region. The project is located on a mountainous
island that presented the team with engineering and construction logistics challenges.
The team used the entire integrated collection of Bentley 3D design applications
together with ProjectWise to engage all stakeholders from concept to construction,
saving over CNY 60 million in engineering costs and completing construction three
months ahead of schedule. This earned ZhongNan Engineering Corporation the record
for the fastest pumped storage project in China to date. By using Bentley GEOPAK to
optimize the civil design, they reduced the earthwork excavation and filling quantity
by 30 percent, saving over CNY 42 million. The hydraulic machinery specialty and
HVAC specialty extracted 90 percent of construction drawings directly from the 3D
model, shortening design time by two months, which equated to a savings of over
CNY 20 million.

18
CONCLUSIONS
A BIM Schema development should be a living system. Governments should support BIM
Schema standardisation because it can improve the management of governmental assets.
Standards provide three important roles:
(1) inter-operability
(2) trust
(3) comparability
To date, BIM standards, such as IFC, have succeeded in making only partial progress in
inter-operability; although limited, this progress is very important and its impact will be
evident years from now. However, BIM standardisation does not yet exhibit trust or enable
comparability. A major problem is BIM Schemata redundancy. A Schema should not allow
any explicit data structures that can be derived from other explicit data structures. Such quick
fixes speed-up schema developments but cause redundancies that may lead to inconsistencies
and new inter-operability problems. The speed, traceability, and extensibility of the BIM
Schema standardisation could be improved with dynamic segmented modelling [31] and
evolutionary ontology. The BIM Schema standardisation could be significantly motivated by
and improved with: Clear evidence of competitive advantage and the coverage of the BIM
Schema compared to other exchange formats or APIs. The analysis of coverage should
assess the coverage of representational media and include a comparison of differences
between ‘as-designed’, and ‘as-built’ models. Research on the expressiveness of modelling
constructs with BWW and evaluation of the importance of natural language used in the
modelling would be very valuable for future schemata.
Formal specification of the canonical form for BIM modelling, mapping between internal
and external schemata, and for different granularities of BIM Models that could significantly
improve the overall conceptual modelling and exchange of models in heterogeneous
environments. The implementation and deployment could be significantly improved with:
Published implemented subschema and mapping between internal and external BIM
Schema;
Published parts of internal BIM Schema that are not implementable with a given external
schema;
Published workflows, which include heterogeneous tools and operate on the lossless level.
The adoption of BIM practices requires business process reengineering, which should be
supported by a process-competency- driven approach. Motivation towards better
productivity, control, and quality should be observed from the personal, organisational and
technological standpoints. The transition should be supported by appropriate organisational

19
structures. End-users could be motivated with features that reduce error levels and improve
presentation styles, interpretation, re-use, and repurposing of models. Better understanding
of communications and semiotics could lead to better BIM technologies. The developments
should focus on support for all teamwork stages. Collaborative environments for BIM should
enable collaborative modelling and the use of models to provide a complete answer, not only
to ‘‘Who did what and when?” but also to ‘‘Why was it done?” (intent) and how the
information was used. To make more use of models, BIM Models should be first available,
possibly in BIM-aware digital repositories, with metadata from controlled vocabularies, thus
enabling better information retrieval and management supported by BIM Schemata (e.g., as
an interface in crawling, indexing, and searching of BIM Models). Actualisation of BIM
Models and Schema should support plug-and-play interfaces (e.g., for project process and
product templates, for connectivity between sensors in intelligent buildings) and allow for
extended use, for example, for schema-based compression, BIM competency management
and learning.

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