BIM TECHNOLOGY Methodology and Workflow

Transcription

1 BIM TECHNOLOGY Methodology and Workflow Holger de Groot Regional BIM Director, Architect Holger de Groot Ingo Kittel Office BIM Manager, Draughtsman Ingo Kittel Join the conversation #AU2015

2 Class Summary This presentation defines the BIM technology as a process that describes the development and use of intelligent 3D models for the purpose of communication and information. As a BIM-authoring CAD software, the application of Revit Architecture is presented and explained in context to the service phases 1 to 6 of the German HOAI by using practical example.

3 Key Learning Objectives The Key Learning Objectives of this Presentation are: q q The Definition of BIM Technology The Structure of BIM Execution Plans q The Application of Revit in Phase 1-6 q q q The Virtual Coordination Workflow The Clash Detection Workflow The Benefits of BIM Technology

4 BIM TECHNOLOGY Building Information Modeling

5 2D Design versus 3D Design q CAD simply describes the process of using a computer to draft technical drawings. q Traditionally stored in multiple files and planed within a 2D environment. q High risk of different interpretations. q Many CAD software applications already allow to design and plan within a 3D environment. q Possibility to improve the error-free interpretations. Source: Wolff & Müller, E. Samtner, 2013

6 Intelligent 3D Design I = Information BIM = Building Information Model BM = Building Model Non-Graphical Information Graphical Information

7 Building Information Modeling BIM is a term which represents three separate but linked functions: q Building Information Model: Is the digital representation of physical and functional characteristics of a facility. As such it serves as a shared knowledge resource for information about a facility, forming a reliable basis for decisions during its life cycle from inception onwards. q Building Information Modeling: Is a business process for generating and leveraging building data to design, construct and operate the building during its lifecycle. BIM allows all stakeholders to have access to the same information at the same time [...]. q Building Information Management: Is the organization and control of the business process by utilizing the information in the digital prototype to effect the sharing of information over the entire lifecycle of an asset [...]. Source: National BIM Standard-US V.3 (NBIMS-US V3), 2015

8 BIM versus Traditional Planning Effort Preparation Concept Design Impact Costs BIM-based Planning Developed Design Cost Benefit Approval Traditional Planning Construction Event of Delay Legal Action Costs of Changes Operation Maintenance Source: according to P. MacLeamy, HOK / Dr. T. Liebich, AEC3 Deutschland GmbH, 2013

9 BIM versus HOAI 2013 Preparation Concept Design Effort 25% 20% 15% 10% 5% 2% 7% BIM-based Planning Developed Design 15% Approval 3% Traditional Planning Fees according to HOAI Construction 25% Event of Delay Legal Action Operation Maintenance Source: according to HOAI 2013, Part 3 Object Planning 34, 2013

10 BIM TECHNOLOGY BIM Execution Plan (BxP)

11 Requirements and Execution BIM Requirements: Client / Owner BIM Execution: Contractor q q q q q Project and BIM goals Type of BIM Execution Data Exchange Requirements Data Management Requirements Quality of BIM Execution Authoring of the BIM Execution Plan q q q q q Roles and Responsibilities Cooperation and Processes Data Management System Software Solutions Quality Management BIM Models Authoring Integration

12 Project and BIM Goals Project Goals Statement q Project orientated work-sharing (BIM Level) Project Priorities List q Preparation of planning documents q Optimising the planning process q Optimising costs BIM Vision q Clash detection during the planning process q Generating qualified room datasheets (COBie) q Generating window and door schedules (COBie)

13 BIM Execution BIM Implementation q Project-specific implementation q Requirements for coordination and communication q Definition of general requirements BIM Use Matrix q List of BIM uses as contracted q Definition of additional BIM uses Model Contents q Establishing a model element author chart (MEA) q Defining a model based level of development chart in context to the project delivery (LOD)

14 Roles and Responsibilities Traditional project roles and responsibilities q Project Controller q Project Manager / Project Architect BIM specific project roles and responsibilities q Regional BIM Director BIM Database q Office BIM Manager q Project BIM Manager q Model Manager q BIM / CAD Technician (US: Revit Champion) q BIM Content Manager

15 Cooperation and Processec Team Configuration q Organisation chart Client BIM Process Facility Manager Architect q Overall process diagram BIM q Process agreement Model Specification Construction BIM Database Landscape Architect q Model Structure Map Management q File Coordination Matrix q Model Element Authors (MEA) q Level of Development Definitions (LOD ) Site Manager MEP Engineer Structural Engineer

16 Data Management File exchange and issuing documents q Deliverables Matrix q Social BIM / Non-Social BIM q Open BIM / Closed BIM Existing Conditions q Measuring units and coordinating systems q Naming conventions in the model Standards q BIM Standards & Guidelines q CAD Standards

17 Software Technology and Infrastructure q BIM-authoring CAD software solutions q Virtual Desktop Infrastructure (VDI) q Social BIM (Autodesk Revit Server) q Non-Social BIM (Delivery: Dead-Models) Data Management System (DMS) q Project Server / Platform q Naming conventions q Filing structure / Archiving Data Exchange and Formats q RVT, NWD, IFC (2x3), DWG, DWFx, PDF, etc.

18 Quality Management Quality Control q Quality Control Requirements q Quality Control Review Schedule Types of Quality Control q Visual examination (graphical information) q Checking the parametric (non-graphical information) q Design intent is properly implemented (standards) q Completeness check (data exchange) Checking the model integrity q Clash detection (Design Coordination)

19 BIM TECHNOLOGY Working with Revit Architecture

20 Establishing the Basis of the Project Existing Data Preparation of Data Room Layout IFC Models

21 Preliminary Design LOD 100: The model element may be graphically represented in the model with a symbol or other generic representation, but does not satisfy the requirements for LOD 200. Information related to the model element (i.e. cost per square meter, tonnage of HVAC, etc.) can be derived from other model elements.

22 Final Design LOD 200: The model element is graphically represented within the model as a generic system, object, or assembly with approximate quantities, size, shape, location, and orientation. Nongraphic information may also be attached to the model element.

23 Planning Application LOD 300: The model element is graphically represented within the model as a specific system, object or assembly in terms of quantity, size, shape, location, and orientation. Non-graphic information may also be attached to the model element.

24 Execution Drawings LOD 350: The model element is graphically represented within the model as a specific system, object, or assembly in terms of quantity, size, shape, orientation, and interfaces with other building systems. Nongraphic information may also be attached to the model element.

25 Preparation for Contract Placement Import

26 BIM TECHNOLOGY Virtual Coordination

27 BIM Management Workflow 4D Time Initialization BIM Goals Clash Detection NWD / DWFx 5D Cost Initialization Authoring the BIM Execution Plan (BxP) BIM Models Authoring & Integration BIM Coordination BIM Production As-Built Updating LPH 1 LPH 2-4 LPH 5 LPH 6-9 FM + O&M Enrichment Concept Design Models Technical Construction Models Execution Plans DWG / PDF As-Built Models IFC/RVT FM Models

28 Georgia Institute of Technology Carbon-neutral Energy Solutions Laboratory, Atlanta, USA q Costs: 17 Mio. q SF: 4,180 m² q Prefabrication q Virtual Coordination q Clash Detection q 5D Estimating q COBie Data Integration q BIM to FM Turnover Source: HDR Inc., D. Patnode, 2013

29 Source: HDR Inc., D. Patnode, 2013

30 BIM TECHNOLOGY Clash Detection

31 Usage and Types of Models Clash Detection Linked Models Type of Usage q Working Models (BIM-authoring CAD Software) q Evaluation Models (BIM Evaluation Software) Type of Model q Urban Information Model (UIM) q Landscape Information Modell (LIM) q Architectural Information Model (AIM) q Structural Information Model (SIM) q Building Service Information Model (BSIM) q Facilities Information Model (FIM)

32 NavisWorks q Clash detection is an important and integral part of the BIM technology q Clash detection arises out of the fact that there is not just one model, but several q Each discipline creates a model, independently of all the others, based on the regulations that have been agreed to during the preparatory stage q Authors of conflict elements will be notified at an early stage q Usually, the term clash-reviewed and coordinated is used - not clash-free Source: HDR TMK in Cooperation with ZWP Ingenieur-AG, 2015

33 Integrated Workflow Preliminary Clash Detection Change Management Change Management Protocol Clash Detection Architect Architect Architect Architect BIM Manager Structural Eng. BIM Manager Gemeinsame Datenmodelle BIM Manager BIM Manager Structural Eng. BIM Manager BIM Manager Structural Eng. MEP Engineer MEP Engineer MEP Engineer

34 BIM TECHNOLOGY Benefits of BIM Technology

35 Benefits for Data Management CAD / BIM Materials Coordination Time Scheduling Project Controlling

36 Benefits for Data Management Reports Prognoses Resources Construction Construction Scheduling Scheduling Calculation Calculation 5D Costs 5D Costs 5D Costs 4D Time 4D Time 4D Time 3D Clash 3D Clash 3D Clash Massing Massing Massing Massing Model Model Model Model Model CAD / BIM Materials Coordination Time Scheduling Project Controlling

37 Benefits for Architects and Engineers q New possibilities and potential through interdisciplinary collaboration q Improved communication in decision-making and planning processes q Improved coordination in decision-making and planning processes q Improved data quality based on a redundant data management system Engineer q Clear model based definition of deliverables between all disciplines q Comprehensible presentation and simulation of alternative design solutions using the 3D model

38 BIM TECHNOLOGY Summary

39 Conclusions q Define clear expectations and goals at the beginning q Clear differentiation between BIM goals and traditional planning goals based on the HOAI (shift of effort) q The key factors are collaboration and communication q Promotes more efficient designs q Promotes more collaborative and efficient workflows q Allows for critical and cost saving decisions to be made earlier during design

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