CASE STUDY >.-i^fl Sustaining Infrastructi Project Summary Canaà dos Carajás, Pará, Brazil Project Objectives copper mine projected to cost US • Create, accurate 3D designs to advance the study of various concepts and enable the objective review of alternative designs from safety perspectives project timeline Products Used Architecture, Structural Modeler, InRoads, i-model Composer, Bentley Navigator, Bentley View Fast Facts • Engineering and design were under budget • i-models were used to exchange information and give Vale direct engineering data software and i-models streamlined process with the client. • Gained new efficiencies, saving SEI • Reduced front-end loading costs for • The project was completed with 80 percent fewer large-scale drawings produced SEI Engineering Uses 3D Models to Accelerate Design, Review, and Approval ve lime, neauce UOSTS, ana neip tnsu aboration Technologies ivery of an Optimal Plant Design These flotation columns were designed using Bentley's 3D modeling tools. A Large-scale Mining Project When Vale, the world's second largest mining company, planned a $2.6 billion copper plant in northern Brazil, it contracted SEI Engineering, a design and construction firm based in Belo Horizonte, Brazil, to perform front-end loading (FEL) and deliver detailed 3D models. The new mine, which is expected to have a life of 24 years, will produce 16 million tons per annum of run-of-mine with an average annual help address the deficit of Brazilian domestic market. meet an aggressive design MicroStation®, Bentley Navigator®, Bentley Bentley software products. The software helped SEI quickly create 3D models and streamline workflows. One of the challenges of this project was to prepare the basic engineering (i.e., the FEL 3) as 3D models. Vale wanted to use the 3D models to advance the study of key concepts prior to their integration into the detailed design plan, as well as give plant operations staff the opportunity to provide early Input during the detailed design phase. At the same time, the models would accelerate project execution by shortening design review sessions and approval processes. "From the beginning of the project we also needed to work with plant operations information to improve planning, including the use of schedule simulation in Bentley Navigator, to plan and save resources," explained Rafael de Santiago Silva, CAD manager, Building Accurate 3D Models As a long-term user of Bentley software, SEI engaged Bentley Institute to train a multidisciplinary design team of engineers to use MicroStation, Bentley Architecture, Structural Modeler, InRoads, and Bentley Navigator to model infrastructure, concrete structures, steel structures, substations, and Using these tools, SEI's design team developed severa simulated 3D plant layouts, including options showing different internal and external access roads; these layouts helped Vale identify the optimal plant layout design that example, they could quickly cost, and construction times associated with various production of an initial mine layout followed by a master complete with a timetable Streamlining Collaboration and Review Cycles Using Bentley Architecture, Structural Modeler, and MicroStation, SEI developed 3D models quickly and efficiently and published them via i-models. These i-models, which are containers for exchanging precision 2D and 3D engineering Information, gave Vale direct access to the underlying design data down to individual component details with complete accuracy. Vale had two ways to view i-models: 1 ) using Bentley Navigator, or 2) downloading them through FTP into Bentley View for deeper analysis. "Replacing the usual design drawings with i-models as the project 'deliverables' was a breakthrough in the relationship with the client," explained Santiago Silva. "For example, everyone could analyze designs to any level of detail and send and receive comments electronically." I-models also accelerated client review cycles. "The design review sessions grew shorter since everyone had made comments directly in the i-model. This accelerated the approval of the project," said Santiago Silva. Because safety and operational engineers could review the 3D models during

project 'deliverables' When clients could —Rafael de Santiago Silva, CAD manager, SEI Engenharia Ltda. audit review meetings, the final design was also safer; for example, using Bentley Navigator, they could review these models in detail, redline them, and check for inconsistencies throughout the design process. An visualization of the concentrate thickener. Find out about Bentley Contact Bentley Bentley Regional Office Name (Remove this section for NA0U7 English documents) Global Office Listings Sustaining Infrastructure A visualization of the mineral dressing area. Bottom-line Benefits Bentley...