ABIM beyond the building
Mitch SchefcikInteroperable as-built BIM
Motivations
Today’s Market Value as US GDP
$1.77 Trillion (13.4%) construction “existing” Commercial Residential Industrial Infrastructure
$0.81 Trillion (6.1%) construction “new” Residential Commercial
Environmental Big Picture
39% Primary US energy use 38% CO2 emissions 72% US electrical consumption 14% All potable water 40% Global raw materials 25% Solid waste construction & demolition
Hang-ups to Wider Green Adoption
Perceived as added feature added cost Experience is key No one-size-fits-all answer Many paths to green Poorly defined goals at the onset
Greening Commercial Buildings
26% lower energy usage 13% lower maintenance costs 33% lower greenhouse gas emissions 27% higher occupant satisfaction
The Facts about Health and Production
$17-48 Billion in healthcare cost savings $20-160 Billion in worker performance In the US, 90% of our time is spent indoors
Indoor pollution levels x10 higher than outdoors Poor ventilation + higher CO2 concentrations, lead to “Sick
Building Syndrome”
A Path to Attainment
Understanding Existing Buildings
Verify or generate documentation Record operational needs / wants LEED for existing buildings Define goals QA/QC Keeping Records
The Importance of BIM
Building Information Modeling (BIM) is a building design method that uses a database of coordinated, graphically rich, internally consistent, computable information in three-dimensional models for design, engineering, construction and facility management.
BIM will permanently change the AEC professions by 2015
Including universities, clients, design codes, contracts, insurance policies, global recruitment of staff, work process and many other aspects.
BIM bandwagon
The nation’s largest architecture, engineering, and construction companies are on the BIM bandwagon in a big way
Scan to BIM Overview
Scanning
Conversion• Reverse
Engineering• Automated
Extraction
BIMInteroperability
Getting the work done
Scanning Workflow
Establish survey control
Scan from multiple locations
Register data to local datum
Scanning to BIM Workflow
Registered point cloud “modelspace”
Fit to…
Architectural Structural MEP
Making the BIM
TruView of actual point cloud
Object Modeling from Point Cloud
Measure a large number of points on the surface of an object
Point clouds themselves are generally not directly usable in most 3D applications
Object Modeling from Point Cloud
Converted to triangle mesh triangle models, NURBS surface NURBS models, or CAD models
Uses include: clash detection, interferences, retro-fit, and process simulations etc.
Modeled object “fit” to cloud
Fitting algorithms use parts tables based on published specifications
Including geometric data (e.g., dimensions), derived properties (e.g., surface area, mass), and nominal information for each standard "part".
Modeled object “fit” to point cloud…
Standard tables include the AISC (American Institute of Steel Construction) for structural shapes
Model “object” metadata
Export model objects to ASCII / DXF / COE (Cyclone Object Exchange)Support - AutoCAD, MicroStation via Cyclone COE Data
Design Intent BIM
Making the BIM
CloudWorx for AutoCAD
Making the BIM
CAD provides initial geometry for Revit BIM development
Families built on existing data Design documents Inspection Matching existing
conditions
Making the BIM
Wall section detail Materials Existing condition
Isometric view
Making the BIM
Making the BIM
Making the BIM
Fast quantity take-off.
5D costing – item level.
4D scheduling – task level.
Up-to-date as-built-models.
BIM… interoperability
Workflow Benefits
1. Exposing BIM to Facilities Management : BIM / CAD links to CAFM / GIS / O+M data
Locate SITE Locate BUILDING
Locate BUILDING QUADRANT§ Locate LEVEL
§ Locate ROOM§ Locate ASSET
§ Manage & Maintain§ Repair, Replace, Remove
2. BIM / CAD Translator – Rosetta Stone of Building Data: Normalize Data Flow between Authoring Tools: Revit, AutoCAD,
MicroStation, Excel, Access
Workflow Benefits
3. Manage and Validate – Comparer Edits made in CAFM to BIM model: Room, Space, Doors and FF+E Asset Data Export to COBie II
4. BIM Management – Kit of Parts for full Campus: BIM & CAD FF+E “Kit of Parts” for entire office / facility including O+M
docs data
5. Reduce Project BIM Size : Keep BIM “data” outside BIM Model Bidirectional Parameter data passed between BIM/CAD and Geo-
Database
Steps for Implementation of Full BIM Lifecycle Management
Analysis, Review & Documentation of Existing Facility Current Facility Management and Maintenance Workflow Modeling Existing Conditions (various reasons & LOD) Define BIM Overall Strategy
BIM Execution Plan for all New Projects Project Team, Models and Consultants Defined BIM Expectations BIM Standards Defined for all New Projects: Overall Facility "Kit of Parts“ Provide BIM Templates, Content and Workflow Provide Standard Conventions for Naming all Aspects of BIM
Establish Links and Workflow Between BIM / CAD with FM / GIS
Steps for Implementation of Full BIM Lifecycle Management
Analysis, Review & Documentation of Existing Facility
• Current Facility Management and Maintenance Workflow
Overall Status of: Current Staff Current Hardware Current Software Current Data Current Data Workflow