The National Academies Press

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Pages 6-35

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From page 6... ... To support these goals, the literature review includes a summary of the status of BIM adoption in infrastructure, along with various BIM use cases for infrastructure. Previous studies on BIM ROI are also presented, including an analysis of ROI studies from both infrastructure and the vertical building sector. Read the entire page →
From page 7... ... In addition, the state of BIM adoption varies widely among agencies; while some agencies are using BIM technology for most of the project delivery process, others are adopting BIM only for a few use cases. State DOTs have widely used near real-time geospatial data within Geographic Information Systems (GISs) Read the entire page →
From page 8... ... This level of detail for the level of BIM adoption is not always clearly presented, and it is important to consider that the data collected are survey data, with limited validation of the actual implementation levels. Drivers and Challenges to BIM Adoption The advancement of BIM in the construction industry is transforming the process of project delivery. Read the entire page →
From page 9... ... The SmartMarket reports consistently show that obstacles facing BIM adoption include finding adequate training, obtaining senior management buy-in, and the overall cost of software and hardware (Dodge Data & Analytics 2017; McGraw-Hill Construction 2008) Read the entire page →
From page 10... ... This IFC Roads project focused on defining a standard process (Figure 2-2) with identified information exchanges for road projects, and then defining the information exchange specifications. Read the entire page →
From page 11... ... Source: Adapted from buildingSMART International. Figure 2-2. IFC Roads process with expanded section. Read the entire page →
From page 12... ... In the project delivery core, BIM use cases include capture existing conditions, author design model, analyze engineering performance, coordinate design models, and review design models. The asset management core includes compile record model, maintain roads/ bridges, and inventory roads/bridges. Read the entire page →
From page 13... ... 2018. Figure 2-3. Partial table of BIM use cases in IFC Roads project specifications. Read the entire page →
From page 14... ... . • Create Quantities and Cost Estimate: a process in which BIM can be used to assist in the generation of accurate QTOs and cost estimates throughout the lifecycle of a project (Messner et al. Read the entire page →
From page 15... ... Analysis of the literature shows that BIM adop tion can offer significant benefits for asset management in cost savings, staff time savings, ancillary organizational benefits, and benefits for end users. BIM benefits in asset management are summa rized in Table 2-2, Table 2-3, and Table 2-4. Read the entire page →
From page 16... ... . Table 2-3. BIM staff time-savings benefits in asset management by owner. Read the entire page →
From page 17... ... . These benefits include • Shorter delivery time, • Design process efficiency, • Construction process efficiency, • Reduced field conflicts, • Improved visualization for planning, • Improved safety, • Reduced waste, • Project delivery cost savings, • Clear process definition, and • Asset turnover efficiency. Read the entire page →
From page 18... ... . Table 2-6. Project cost savings due to reduced field conflicts and improved visualization for planning. Read the entire page →
From page 19... ... . Table 2-8. Project cost savings due to project delivery method cost savings, clear process definitions, and asset turnover efficiency. Read the entire page →
From page 20... ... recurring costs that are part of operating and maintaining the BIM investment. Table 2-9 lists costs that may occur over the lifecycle of BIM investments in organizational and asset management (Spy Pond Partners et al. Read the entire page →
From page 21... ... . – Capability for clash detection (Azhar 2011; Leite 2019) Read the entire page →
From page 22... ... Case Study 1 Case Study 2 Case Study 3 Case Study 4 Project Scope $46 million, $12 million $111 million, $35 million, 484,000-square five-star mixed- LEED-certified, foot hotel and use hotel 110,000-square parking structure foot facility on Emory University campus Delivery Method CMAR CMAR CMAR CMAR Contract Type Guaranteed Guaranteed Guaranteed Guaranteed maximum price maximum price maximum price maximum price BIM Scope Design Planning, value Planning, Sustainability coordination, analysis construction analysis clash detection, documentation and work sequencing BIM Cost $90,000 (0.2% of $5,000 $1,440 N/A project budget) Cost Savings Over $200,000 $1,995,000 $15,000 N/A attributed to clash elimination Note: CMAR = Construction Manager at Risk; LEED = Leadership in Energy and Environmental Design; N/A = not applicable. Read the entire page →
From page 23... ... For each building layout, the BIM-based cost estimate was calculated in three cost scenarios, including budgeted, midrange, and high range. In the third case study, the design team was able to finish the project on time and within budget because of using BIM. Read the entire page →
From page 24... ... The main objective of the workshops was to help project teams identify economic impacts of implementing BIM on their projects and assess BIM ROI. During the workshops, participants estimated BIM ROI of their projects using actual project case study data. Read the entire page →
From page 25... ... BIM Compass by BIM Supporters The BIM Compass developed by BIM Supporters is an online questionnaire used to assess BIM capacities and compare industry benchmarks. It is intended to assess organizations over four chapters, including organization and management; mentality and culture; information structure and information flow; and tools and applications. Read the entire page →
From page 26... ... This relatively brief assessment tool could allow an organization to measure adoption within the ROI framework, although the tool would need to be modified for use within the transportation sector. Supply Chain BIM Capability Assessment Supply Chain BIM Capability Assessment was developed by Wates to assess organizations wanting to become a member of its supply chain for BIM projects (Wates n.d.) Read the entire page →
From page 27... ... 2019. Figure 2-5. Capability maturity model. Read the entire page →
From page 28... ... , development of a modified Orga nizational BIM Assessment tool for transportation organizations may be the most appropriate tool for measuring BIM adoption within a transportation agency. There are aspects of other assessment tools that could be considered if modifications are made to the assessment tool. Read the entire page →
From page 29... ... It uses a questionnaire to ask project teams about the same eight areas assessed by the BIM Working Group BMAT assessment tool (Wu et al. Read the entire page →
From page 30... ... The success of this pilot led WisDOT to use BIM on a majority of Southeast Freeways megaprojects and major projects, as well as smaller projects less than $100 million. On the Zoo Interchange project, the team was able to start earlier and create a robust multidisciplinary BIM model, including all major disciplines used for design-construction review, clash detection, constructability staged models, 4D simulations, contractor bidding, AMG, e-construction, and reuse of BIM models available for as-builts. Read the entire page →
From page 31... ... BIM tools used in this road use case example include Autodesk AutoCAD Civil 3D, Navisworks, and 12D Model and Bentley MXRoad. BIM uses in the pre-construction stage included engi neering analysis, QTO, clash detection, transportation management/traffic impact simulation to predict the volume, and saturation on the highway. Read the entire page →
From page 32... ... Benefits of implementing BIM are summarized in this report, including benefits in asset management by owners (e.g., cost savings, staff time savings, and ancillary organizational benefits) , benefits for end users, and benefits in project delivery (e.g., project cost savings and ancillary project benefits) Read the entire page →
From page 33... ... The owner can potentially gain the most from deciding to implement BIM in a project, and therefore, should be encouraged to implement it. In many countries, local governments are committing to BIM by requiring that all new public projects be completed using BIM at a specific level. Read the entire page →
From page 34... ... These criteria were developed to provide a diverse set of case studies that cover a breadth of BIM use cases. The criteria identified for consideration include the level of BIM adoption, data availability, ability to share case study information, geographic location diversification, size, complexity, and project delivery method. Read the entire page →
From page 35... ... The Kew Gardens Interchange (KGI) improvement was the next large, complex project with BIM requirements, and it is the focus of this case study. Read the entire page →

From page 6...

... To support these goals, the literature review includes a summary of the status of BIM adoption in infrastructure, along with various BIM use cases for infrastructure. Previous studies on BIM ROI are also presented, including an analysis of ROI studies from both infrastructure and the vertical building sector.