Summer Internship Report

Summer Internship Report, 2015
vConstruct Private Limited
National Institute of Construction Management And Research, Pune
SUMMER
INTERNSHIP
REPORT
VCONSTRUCT PRIVATE LIMITED
30-JUNE-2015

National Institute of Construction Management And Research, Pune Page i
National Institute of Construction
Management And Research
SUMMER INTERNSHIP REPORT
The Name of the Company vConstruct Pvt. Ltd.
Name of the Project(s) (if Applicable) AC2, OCPC, Fidelity, UT-RBRH
Place of Work Pune
Department (if allocated) Virtual Design and Construction
Name of Student A K Harikrishnan
Roll No. AP14040 ACM, 28st Batch
Mailing Address
Company Personal
Sixth Floor, Pentagon P1, Magarpatta City,
Hadapsar, Pune - 411013, Maharashtra, India
10, Panakal Street, Kaveripattinam - 635112,
Krishnagiri District, Tamil Nadu, India
Phone No. +91-8446001610, +91-8446001611 Phone No. +91-9952182373
Email id. vconstructinfo@vconstruct.in Email id. harikrishnan.civ@gmail.com
Mr. Saurabh Tiwari A K Harikrishnan
General Manager VDC Intern
vConstruct Pvt. Ltd. NICMAR – Pune
Date: Date:
Place: Place:

National Institute of Construction Management And Research, Pune Page ii
TABLE OF CONTENTS
Acknowledgement.......................................................................................................................................................................................
1. The Company....................................................................................................................................................................................1
About DPR Construction.......................................................................................................................................................1
2. Building Information Modelling (BIM)................................................................................................................................2
Definition......................................................................................................................................................................................2
Business Benefits of BIM......................................................................................................................................................2
Anticipated future potential...............................................................................................................................................3
3. Roles and Responsibilities.........................................................................................................................................................4
Softwares used...........................................................................................................................................................................4
4. Project 1: AC2 ...................................................................................................................................................................................5
Project Information.................................................................................................................................................................5
Glue Support...............................................................................................................................................................................5
Merged 3D Model creation .................................................................................................................................5
Prezi ................................................................................................................................................................................................8
Entries Edge of slab drawings ...........................................................................................................................................8
Challenges faced:......................................................................................................................................................8
5. Project 2: OCPC .............................................................................................................................................................................11
Project Information..............................................................................................................................................................11
General Information ............................................................................................................................................................12
Concrete Modelling ..............................................................................................................................................................13
3D views of finished Models............................................................................................................................................15
Quantity Take Offs................................................................................................................................................................17
RFI generation and Incorporation................................................................................................................................17
6. Project 3: Fidelity.........................................................................................................................................................................20
AV room Modelling...............................................................................................................................................................20
7. Project 4: UT – RBRH.................................................................................................................................................................20
Concrete Modelling ..............................................................................................................................................................21
Drawing Comparison ..........................................................................................................................................................21
8. Project 5: File Management in VueOps.............................................................................................................................23
9. Productivity Analysis.................................................................................................................................................................23
10. Conclusion..................................................................................................................................................................................24
11. Bibliography..............................................................................................................................................................................25

National Institute of Construction Management And Research, Pune
ACKNOWLEDGEMENT
The internship opportunity I had with vConstruct was a great chance for learning and exposure to new
technologies used in the Construction industry. The organization has provided me hands-on experience
by assigning responsibilities that helped in developing both my personal and professional skills. The
culture of the company is very healthy and all the employees have been really helpful. I consider myself
very lucky to be a part of such an organization.
I would like to extend my deepest gratitude to Mr. Saurabh Tiwari, General Manager for providing me
a wonderful chance to carry out my internship in vConstruct. It really has been a big milestone in my
career development.
I would like to extend my gratitude and special thanks to Ms. Durga Saripally Tiwari, Operations
Manager for encouraging me throughout and always being approachable in spite of her busy schedule.
I would like to extend my warm regards and gratitude to Ms. Srilata Revur, Mr. Piyush Pandey, Ms.
Deepika Bhardwaj, Mr. Arif Nezami and Mr. Raja Prasath for providing constant guidance and
bearing with my mistakes with patience throughout the period which was extremely valuable for my
learning.
I would like to also extend my deepest gratitude to Ms. Vinisha, HR and Ms. Mamta, Administrations
who have been responsible for making the whole process happen smoothly.
I would like to take the chance to thank everyone in vConstruct for supporting me and making the
whole internship process a successful one.
Name: A K Harikrishnan
Roll No: AP14040
Batch: ACM 28th Batch

National Institute of Construction Management And Research, Pune Page 1
1. THE COMPANY
vConstruct specializes in providing high quality Building Information Modelling and Construction
Technology services geared towards construction projects. vConstruct is one among the very few
companies in India to have expertise in providing BIM related consultancy services.
vConstruct Pvt. Ltd. offers the following services,
 Building Information Modeling services for design and construction processes
 3D Modelling
 4D : BIM enabled Scheduling and Production Planning
 Multi – Disciplinary Coordination
 BIM Enabled Quantity Takeoff, Costing and Billing
 BIM enabled Facilities Management
 Change Management
 BIM for field
 BIM QA / QC
 Document Control
 Consulting services to guide the team through successful BIM Implementation and Design and
Construction Integration
 BIM Implementation
 Lean Construction
 Design and Construction Integration
vConstruct is a wholly owned subsidiary of DPR Construction.
ABOUT DPR CONSTRUCTION
DPR construction has been founded by Doug Woods, Peter Nosler and Ron Davidowski in July 1990.
Since 1997, it has continued to rank in the top 50 general contractors in the country.
DPR Construction is a national commercial general contractor and construction manager specializing in
technically challenging and sustainable projects for the advanced technology, biopharmaceutical,
corporate office, and higher education and healthcare markets.

2. BUILDING INFORMATION MODELLING (BIM)
DEFINITION
The US National Building Information Model Standard Project Committee has the following definition
of BIM,
‘Building Information Modelling (BIM) is a digital representation of physical and functional
characteristics of a facility. A BIM is a shared knowledge resource for information about a facility forming
a reliable basis for decisions during its life-cycle; defined as existing from earliest conception to
demolition.’
Building information modelling (BIM) is an intelligent model-based process that provides insight to
help you plan, design, construct, and manage buildings and infrastructure. Building information
modelling (BIM) is a process involving the generation and management of digital representations of
physical and functional characteristics of places.
Building information models (BIMs) are intelligent models loaded with information associated with
different objects that are being modelled. This information acts as reinforcement for various decisions
taken during the execution of any project. BIMs are files which can be exchanged between different
stakeholders of a project. It also helps in avoiding loss of information since enabling all the project
members to work on a central model.
Traditional building design was largely reliant upon two-dimensional technical drawings (plans,
elevations, sections, etc.). Building information modelling extends this beyond 3D, augmenting the
three primary spatial dimensions (width, height and depth) with time as the fourth dimension (4D) and
cost as the fifth (5D), etc. BIM therefore covers more than just geometry. It also covers spatial
relationships, light analysis, geographic information, and quantities and properties of building
components.
BUSINESS BENEFITS OF BIM
As per the Smart Market report published by McGraw Hill Construction in 2014, the top five benefits of
BIM are reducing errors, promoting an industry leader image, reducing rework, improving
collaboration and offering new services[5]. No doubt construction firms in many countries have started
using BIM in construction. The percentage of BIM users with more than 3 years’ experience is shown in
the chart below (Figure 1).

FIGURE 1: THE PERCENTAGE OF BIM USERS WITH MORE THAN 3 YEARS’ EXPERIENCE
ANTICIPATED FUTURE POTENTIAL
BIM is a relatively new technology in an industry typically slow to adopt change. Yet many early
adopters are confident that BIM will grow to play an even more crucial role in building documentation.
Few advantages of using BIM are as follows:
 Improved visualization
 Improved productivity due to easy retrieval of information
 Increased coordination of construction documents
 Embedding and linking of vital information such as vendors for specific materials, location of
details and quantities required for estimation and tendering
 Increased speed of delivery
 Reduced costs

3. ROLES AND RESPONSIBILITIES
As a summer intern, I have been provided the role of ‘Virtual Design and Construction (VDC) Intern’ for
a period of 10 weeks.
Virtual Design and Construction (VDC) is the use of integrated multi-disciplinary performance models
of design-construction projects to support explicit and public business objectives.
My major responsibilities as a VDC Intern includes but not limited to the following,
 Develop schematic level and detailed models based upon libraries of parametric or solid objects
which may include structure, interior and exterior architectural elements, and building systems
like mechanical, electrical and plumbing systems.
 Perform Model Based Quantity Take-offs (QTOs)
 Produce dimensioned drawings for layout and pre-fabrication from the models.
 Perform various Quality Checks on the Models to validate models for things like:
o Model completeness
o Alignment with basis of design and design documents
o Model sanity: no duplication of data, no errors and omissions, continuity of systems
between the different points of connection.
 Compare 2D and 3D data between the different versions to identify what has changed over a
period of time between the files.
 Develop 3D models to illustrate contractor questions and possible solutions.
 Analyse and modify data from BIM in tools like Excel spreadsheet and update the changes in the
Model.
 Setup and manage BIM content to be viewed on mobile hand held devices like iPads etc.
 Communicate with project teams based in USA for clarifications and coordination
SOFTWARES USED
BIM requires extensive use of various softwares for effective implementation BIM. I have been exposed
to the following softwares as a part of my internship,
 Autodesk Revit 2014  Autodesk BIM 360 Glue
 Autodesk Revit MEP 2014  VueOps
 AutoCAD MEP 2014  Prezi (Version 5.2.8)
 Autodesk Navisworks Manage 2015
 Projectwise Explorer (Version
08.11.11.590)
 Bluebeam Revu (Version 2015.1)  SnagIt

4. PROJECT 1: AC2
PROJECT INFORMATION
Project Name: AC2
Project Location: California, USA
Client: An IT firm
General Contractor: DPR-Skanska - a Joint Venture
Site Area: 175 acres
Levels: 2 levels Below Grade (B2 & B1) + 4 Levels above grade
(L1 – L4) & Roof Level
In the AC2 project, I have been assigned for the following tasks,
 Glue Support
 Prezi
 Entries Edge of slab Drawings
GLUE SUPPORT
AC2 is a project which involves more than 100 subcontractors for various departments of construction.
In such a scenario, it is undesirable to have loss of information even though it is evident. This
assignment was to ensure that all the coordination between the parties is smooth as far as drawings
are concerned. The softwares used for this task was cloud based softwares namely, Autodesk BIM 360
Glue & Projectwise Explorer.
Autodesk BIM 360 Glue is a cloud-based BIM management and collaboration product that connects the
entire project team and streamlines BIM project workflows from pre-construction through
construction execution. With virtually anywhere, anytime access to the most recent project models and
data throughout the project lifecycle, BIM 360 Glue helps in reviewing projects and resolve
coordination issues on a real-time basis.
MERGED 3D MODEL CREATION
A merged model is the result of appending different 3D/2D models from different disciplines for a
particular level or zone. This will act as a reference model for site personnel in iPads so that they can
do a real time verification of the construction activities.
Merged model creation involves the following 6 steps.
1. Copy out the latest Models from Projectwise
2. Upload them in BIM 360 into their respective folders for different subcontractors
3. Make a list of models to be merged
4. Create the Merged Model (figure 3a) by selecting the individual models from the list.

5. Create specific viewpoints like ‘home view’ or any specific viewpoints emphasizing the
key activities for site personnel (figure 3b)
6. Try opening the merged model in iPad and verify the viewpoints
7. Update the list of individual models uploaded on a weekly basis in a spreadsheet to
keep track of update logs
The process involved is as follows (Figure 2),
FIGURE 2: PROCESS MAPPING OF THE TASK, ‘GLUE SUPPORT – MERGED MODEL CREATION
Update the log sheet in MS Excel
QC the Model in iPad
Create Viewpoints
Create the Merged Model
Make a list of models to be merged
Upload them in BIM 360
Copy out the latest Models

FIGURE 3A: CREATING MERGED MODELS
FIGURE 3B: CREATING VIEWS IN MERGED MODELS

PREZI
Prezi is cloud-based presentation software. This software was used to prepare presentations for AC2
projects that highlight weekly updates in the progress. This shall be used in weekly progress review
meetings. These updates typically include status regarding the following
1. RFI submittals
2. Change Orders
3. Fabrication Updates
4. Safety reports
ENTRIES EDGE OF SLAB DRAWINGS
This process involved creating 2D drawings based out of 3D Merged Models indicating the openings
and edges of the Cast in Place (CIP) concrete slabs in the plan views and dimensioning the same. Also
cut through sections and indicating the cut-width of the opening in sectional view.
The process was done to ensure coordination between different departments. The information
regarding the edges of the slabs will be required for smooth coordination of different departments like
MEP, Structural, Equipments, etc.
Softwares used:
 Autodesk Revit 2014
 AutoCAD MEP 2014
 Autodesk Navisworks Manage 2015
It requires in-depth understanding of the merged model and the functions of different elements of the
model to identify the boundary of the slab openings. Figure 4 represents detailing of a typical slab
opening and slab edge near the staircase.
CHALLENGES FACED:
 Non availability of few drawings required for creating the merged model
 Sectioning tool not working when 3D CAD files were linked in Revit
 Models not falling in place when imported through ‘origin to origin’ method

FIGURE 4A: SLAB OPENING FOR A TYPICAL STAIRCASE – 3D VIEW
FIGURE 4B: SLAB OPENING FOR A TYPICAL STAIRCASE – PLAN VIEW
FIGURE 4C: SLAB OPENING FOR A TYPICAL STAIRCASE – SECTIONAL VIEW - 1

FIGURE 4D: SLAB OPENING FOR A TYPICAL STAIRCASE – SECTIONAL VIEW – 2

5. PROJECT 2: OCPC
PROJECT INFORMATION
Project Name: OCPC Campus
Project Location: Irvine, California
Usage: Research & Development
Client: An IT Service provider
General Contractor: DPR Construction
Other Stakeholder: Gensler
Site Area: 71.7 acres
Details of the individual buildings
Building 1 Building 4 Building 5 Building 7 Building 8
Occupancy Type Business Business Business Business Recreational
Area (Sq. ft.) 287,654 191,047 191,047 381,195 40,965
Height (ft.) 95 75 75 95 40
No. of stories 5 4 4 5 2
My responsibilities in modelling of OCPC included the following:
Modelling Work Building 1 Building 4 Building 5 Building 7
Spread Footings x x
Wall Footings x x
Retaining Walls
Grade Beams x x
Elevator Pits x
Zone of Influence – Utilities x
Zone of Influence – Footing x
Bench Excavations x
QTO x x x x
RFI Generation x x x
RFI incorporation x
Model QC x x x
Model QC in Navisworks x
Softwares used
 Navisworks Manage 2015
 Bluebeam Revu
 Microsoft Excel 2010
 Projectwise Explorer

GENERAL INFORMATION
 Spread Footings are rectangular footings provided as a supporting structure for columns. There
are two types of spread footings.
1. Framed Spread Footings
2. Non-Framed Spread Footings
 Wall Footings are acting as a load carrying member for retaining walls. Based on the structural
requirements, it shall be either with or without shear key. Separate families for each type needs
to be created with instance parameters loaded in the family
 Grade beams are load carrying members connecting the spread footings. The top elevations are
made to match with that of the top elevations of the footings. In case of sloped footings, the
maximum slope allowed is 1:6
 Elevator Pits are supporting structures built to resist the soil force at the basement level for
elevators. New Families were created with inbuilt instance parameters
 Zones of influences are provided to check if there is any clash with other footings or site
utilities. For this purpose, a Zone of Influence with slope of 1:1 and 1:2 is provided near every
footing to ensure other footings and site utilities doesn’t occupy the space covered. (Figure 5a)
 1’ Stepped excavation is followed in project. Bench Excavations are modelled for visualization
of the excavated profile and also for calculating the amount of excavation. There are two cases
of excavation categorised based on the bottom elevation of the footing. (Figure 6)
FIGURE 5A: 1 / 1 ZONE OF INFLUENCE FROM THE BOTTOM OF ALL FOOTINGS (TO CLASH
WITH NEARBY FOOTINGS)

FIGURE 5B: 1 / 2 OF PIPE STRETCH ZONE OF INFLUENCE (TO CLASH WITH UTILITIES)
FIGURE 6: EXCAVATION PROFILE FOR DIFFERENT FOOTINGS
CONCRETE MODELLING
The process of concrete modelling is as per figure 7

FIGURE 7: PROCESS MAPPING OF CONCRETE MODELLING OF OCPC
Finishing the model
Creating the excavation profile as solids Creating different3D views
Bench Excavations
Create a generic model representingthe site Create Bench Excavations based on the conditions
Zones of Inflluences
Create new families for 2 types of
Zones of Influences
Place them at different location by
changingthe instance parameters
Provide the elevations as per 2D
Drawings
Structural Components (Footings, Grade Beams, Elevator Pits)
Create New families based on
Schedule
Locate them based on 2D drawings
Provide the top and bottom
elevationand QC
Begin the Modelling
Create Central Model (for worksharing) Placingof Levels and Grids
Locate the Project
Enter the coordinates of the Project Basepoint Enter the coordinates of the Survey Point

3D VIEWS OF FINISHED MODELS
Once the modelling is done, various 3D views are generated showing different elements separately.
FIGURE 8A: 3D VIEW OF FINISHED MODEL: STRUCTURAL COMPONENTS
FIGURE 8B: 3D VIEW OF FINISHED MODEL: STRUCTURAL + AREA OF INFLUENCE 1/1

FIGURE 8C: 3D VIEW OF FINISHED MODEL: STRUCTURAL + AREA OF INFLUENCE 1/2
FIGURE 8D: 3D VIEW OF FINISHED MODEL: STRUCTURAL + EXCAVATION PROFILE (VOIDS)
FIGURE 8E: 3D VIEW OF FINISHED MODEL: STRUCTURAL COMPONENTS + EXCAVATION
PROFILE (SOLIDS)

QUANTITY TAKE OFFS
Quantity Take Offs is very essential for any project since it acts as a primary input for costing. The
deliverables shall be quantities of various items modelled in Cubic Yards. Using the
‘Schedule/Quantities’ command under the ‘Analyze’ tab, quantities of various modelled items can be
extracted from the Revit Model. (Figure 9A)
FIGURE 9A: TYPICAL SCHEDULE GENERATED IN REVIT
Once it is exported from Revit file, using Microsoft excel, the Quantity takeoffs are submitted for
different components of the project. QTOs have been prepared and submitted for the following
elements in the project (Figure 9B),
FIGURE 9B: ELEMENTS INCLUDED IN THE QTO
Element of the project
Size /
Dimensions
Quantity
Volume in
Cu yds.
Surface Area
in Sq. yds.
Total
Perimeter
in yds.
Total Cut
Length (ft)
Spread Footings      
Wall Footings    
Elevator Pits 
Grade Beams     
Bench Excavations 
RFI GENERATION AND INCORPORATION
The primary objective of any modelling project is to not assume anything. If there is a need for
information, RFIs (Requests for Information) are raised against that query. All the queries are
maintained in a spreadsheet along with snapshots used to explain the query.
Softwares used,
 SnagIt
 Bluebeam Revu
 Microsoft Excel
 Navisworks 2015

Typically an RFI log contains the following columns,
 S.No
 Date
 Issued By
 Level / Grid Reference
 Drawing(s)
 Reference
 Model Elements Impacted
 Issue Description
 Action Item
 Action By
 Comments by DPR
 Comments from vConstruct
 Incorporated
 Date Closed
 Attachment
RFI log acts as means of communication with the client and vConstruct. Once the project team from the
USA responds for the queries, the changes need to be incorporated in the central model.
A sample RFI is shown in Figure 10a, 10b & 10c.
FIGURE 10A: SAMPLE RFI (QUERY)

FIGURE 10B: SAMPLE RFI (SNAPSHOT 1)
FIGURE 10C: SAMPLE RFI (SNAPSHOT 2 & 3)

6. PROJECT 3: FIDELITY
PROJECT INFORMATION
Project Name: New Millennium Way
Client: Fidelity Investments Inc.
Other Stakeholder: BHDP
AV ROOM MODELLING
AV Room modelling involved modelling of the MEP components in the Audio-Visual Room in building-2
of New Millennium Way project. The MEP components needed to be modelled were,
 Ceiling Mounted speakers
 Ceiling mounted Microphones
 Various Components for Conduit placing like Puller Box, Junction box, etc.
 Conduit Modelling based on the conduit layout
7. PROJECT 4: UT – RBRH
PROJECT INFORMATION
Project Name: Robert B. Rowling Hall
Project Location: Austin
Usage: Educational Building
Client: University of Texas
Other Stakeholders: Jacobs, Ennead, Jose I.Guerra, Inc., Yaggi Engineering, Datum
Gojer Engineers, LLC., Coleman & Associates, DataCom Design
Group, The Sextant Group
Levels: 6 levels Below Grade (B6 - B1) + 6 Levels above grade (L1 – L6)
& Roof Level

CONCRETE MODELLING
My responsibilities in Concrete Modelling in UT-RBRH included Column and Slab Modelling
DRAWING COMPARISON
Drawing comparison acts as a primary activity after a change order or issue revised drawings. Here in
UT RBRH, I was comparing ASI 03 and ASI 04 (two different versions) of drawings mostly for MEP
components of the project and thereby identifying the changes occurred over the certain period of
time.
Software used: Bluebeam Revu
In Bluebeam Revu, Using the ‘Comparison’ option under the ‘Document’ tab, two versions of a drawing
can be overlaid over each other. Both the layers can be assigned different colours (Figure 11). If there is
no change, then the resultant layer in the overlaid drawing will be having a different colour altogether.
For example if older version is assigned green & new version is assigned Red, then the common part
between both will be black in colour. ‘Align Points’ option shall be used when the drawings are not
aligned in the same location.
FIGURE 11: DIALOG BOX USED FOR OVERLAYING DIFFERENT VERSIONS OF A DRAWING FOR
COMPARISON
When comparing two versions of a drawing using Bluebeam (assigning green for newer version and
red for older version), the following three cases may occur,
1. Fully black - Both the drawings coincide / match which means, No change (Figure 12a)
2. Few portion of the drawing is green in color not covered in the clouded region – New element
added (Figure 12b)
3. Few portion of the drawing is red in color not covered in the clouded region – Old items
removed (Figure 12c)

FIGURE 12A: CASE 1 – NO CHANGE
FIGURE 12B: CASE 2 – NEW ATTRIBUTE / ELEMENT ADDED
FIGURE 12C: CASE 2 – OLD ATTRIBUTE / ELEMENT DELETED

8. PROJECT 5: FILE MANAGEMENT IN VUEOPS
VueOps is newly developed cloud-based software which was developed in-house by DPR for
management of various information. In VueOps, information like contact details of clients,
subcontractors can be stored and can be accessed anytime so that there is easy and secure access for
information and thereby avoiding paperwork. It is also possible to store information regarding service
requests. My responsibility involved in updating the contact details of various subcontractors for DPR.
9. PRODUCTIVITY ANALYSIS
As a measure of self-assessment, I have made a chart (figure 13) showing the scatter plot of
productivity vs Weeks of work carried out. As it is evident in the curve, except for week 5, there has
been a sharp rise in the average productivity with peaking at Week 7. This shows the learning curve
that I was able to achieve during the period of 10 weeks except for two weeks. The decline in
productivity in Week 2 is mainly due to the exposure to new softwares and learning the same. The
decline in productivity in Week 5 can be attributed to the time spent in understanding the scope and
refining the modelling process for AC2-Edge of Slabs.
FIGURE 13: SELF-ASSESSMENT OF MY PRODUCTIVITY

10. CONCLUSION
The experience that I have gained during this period was thoroughly enjoyable and the journey was
unforgettable. Everyone in the company treated me like a full-time employee and provided me with
ample opportunities wherein I got the opportunity to contribute to the productive activities of the
organization. I hope I have fulfilled all the duties in the best possible way with maximum utilization of
my knowledge.
As is evident from the above chart (Figure 13), I received valuable exposure of BIM through various
assignments during my period of 10 weeks. No doubt, BIM is the future of Indian Construction
Industry. Implementation of BIM throughout the lifecycle of a project will not only reduce cost of
reworks, but also reduce project duration and project cost by 4D & 5D BIM respectively.
I am pretty sure that all the learnings that I have gained during this tenure will add a lot of value to my
career development. It is not an end but rather just a beginning of my career in BIM. Looking forward
to continue the efforts wherever possible and contribute to the construction Industry via BIM.

11. BIBLIOGRAPHY
[1] AC2. (n.d.). Retrieved June 28, 2015, from Wikipedia - AC2:
https://en.wikipedia.org/wiki/Apple_Campus
[2] BIM. (n.d.). Retrieved June 28, 2015, from Wikipedia:
https://en.wikipedia.org/wiki/Building_information_modeling
[3] BIM 360. (n.d.). Retrieved June 28, 2015, from Autodesk - BIM 360:
http://www.autodesk.com/products/bim-360-glue/overview
[4] DPR. (n.d.). Retrieved June 28, 2015, from DPR Constructions: http://www.dpr.com/
[5] Kunz, J. a. (2009). Virtual design and Construction : themes, case studies and implementation
suggestions. Center for Integrated Facility Engineering (CIFE).
[6] NBS. (n.d.). Retrieved June 28, 2015, from http://www.nationalbimstandard.org/faq.php#faq1
[7] (2014). The business value of BIM in Australia and New Zealand : How building information
modelling is transforming the design and construction industry SmartMarket Report. Bedford,
MA: McGraw Hill Construction.
[8] vConstruct Pvt. Ltd. (2013). Retrieved June 28, 2015, from http://vconstruct.in/

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