Rapid Revit Data Ex Final11.26.12
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Transcript of Rapid Revit Data Ex Final11.26.12
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© 2012 Autodesk
Rapid-Fire Autodesk Revit Data Extraction:
Best Practices in Construction Data Extraction
James McKenzie, Director-Center For Excellence, Swinerton Incorporated
Trent Miskelly, VP of Development, Assemble Systems
Wendy Titus, Territory Manager, Assemble Systems
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© 2012 Autodesk
James McKenzie
Director-Center For Excellence, Swinerton Incorporated
Trent Miskelly
Founder & VP of Development, Assemble Systems
Wendy Titus
Territory Manager, Assemble Systems
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© 2012 Autodesk
Class Summary
BIM Overview and Business Value
Revit Data Structure
Need for Rapid Revit Data Extraction
BIM Collaboration
Revit Data Extraction
Downstream Uses of Revit Data (interactive)
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© 2012 Autodesk
Learning Objectives
At the end of this class, you will be able to:
Insert learning objective 1
Insert learning objective 2
Insert learning objective 3
Insert learning objective 4
Guidelines for Mutually
Beneficial Model
Optimize Revit Data Managment
External Databases and
Revit Data Mapping
Delivery Process Affects BIM
Learning Objectives
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© 2012 Autodesk
BIM Overview
Process and “mindset” is first and
foremost
3D object-based, parametric
model is the best known aspect
of BIM
Parametric technology allows
objects to relate to each other
The objects within a 3D model
have “attributes” or “properties”
embedded within them
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© 2012 Autodesk
BIM is Not.………
Single building model or a single
database
A replacement for people
Perfect
Revit (or any other software
application)
3D
Have to be 3D
Complete
A “pushbutton” solution
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© 2012 Autodesk
Big BIM Data vs. Little BIM Data
Really Big BIM
Big BIM
Research, Historical Data & Human
Experiential Knowledge
Processes
Tools (Little BIM)
• Revit 3D Modeling
•BIM Tools Such as Revit can:
• Accelerate response time to potential
project issues
• Automate and Streamline tedious
information gathering and decision-
making process
• Focus on optimal solution
• Identify and remove building system
redundancy
• Establish building performance
metrics resulting in lower initial costs
and long-term operational costs
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© 2012 Autodesk
The Power of Revit Depends on How Well it is
Used
Links project activities with the client’s
business goals
Allows project team to interface with the
business of the client resulting in a
greater understanding of their culture,
values, and organizational business
drivers
Defines what is unclear and provides a
roadmap through uncharted territory
Provides a higher level of client service
that emphasizes value to the client much
sooner and with a higher level of detail
than 2D CAD tools
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© 2012 Autodesk
BIM Knowledge Acquisition Progression
DATA
INFORMATION
KNOWLEDGE
WISDOM
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© 2012 Autodesk
Database Basics-To Fully Understand BIM it Helps
to Understand Database Design Fundamentals
Database=“collection of interrelated data
items that are managed as a single unit.”
Single File vs. Multiple Files
File=Collection of related records stored
in a single unit
Database Object=named data structure
that is stored in a database. Types of
objects can vary.
User data views=allows different users of
the database to use customized
presentations of the same data
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© 2012 Autodesk
Need for Revit Rapid Data Extraction
•What do we have?
•Avoid GIGO!
•Data abstraction:
• Data is stored once
• Multiple users
• Multiple distinct views of tabular
data
•Data quality/quantity depends on
project delivery being used
•Find Revit’s “hidden” data
•Speed of Business
• Quick resolution of problems
• Discovery of new opportunities
•Downstream activities depend on
quality of the Revit file
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© 2012 Autodesk
Middleware Concept for Data Extraction
Assemble Systems
Middleware
External Database(s) and related applications
Revit BIM
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© 2012 Autodesk
Revit Data Management-Its All About the Data
How is data entered ?
Does data sit in a silo ?
Analyze where there are data
“overlaps”
Examine what data is not electronic &
whether it can digitized
Where is data stored ? Multiple
locations ?
Evaluate how data is transmitted and
in what format
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© 2012 Autodesk
Revit Modeling Success
•Planning
•Requires Design+Construction
Integration
•BIM Execution Plan
•Integrated Project Leader (IPL)
•Rigorous Questioning
•Continuous Collaboration & Feedback
•Big Room Co-location
•Multi-location (BIM 360 Glue)
•Combination
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© 2012 Autodesk
Revit Data Structure
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© 2012 Autodesk
Revit Morphology
•Single, unified representation of the building (full
description not just a 3D model) in one project file
•All changes occur immediately in all views
•All elements retain their relationships to each
other(bi-directional coordination)
•Generates all necessary documentation
•Modeling instead of drawing using building
components such as walls, windows, floors,
ceilings, etc.
•Revit recognizes form (geometry) and behavior of
building components
•Object based
•Parametric relationships
•Objects, parameters and values
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© 2012 Autodesk
Revit Hierarchy
Category
Family
Type
Instance
Parameters
Family
Type
Instance
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© 2012 Autodesk
Revit Elements
View Elements
Floor plans, elevation,
sections, 3D view, schedules
Datum Elements
Levels, gridlines, reference planes
Model Elements
Host Elements
(built on site)
Floors, walls, roofs, etc
Component Elements
(products brought on site)
Doors, windows, furniture, etc.
View Specific Elements
Detail Elements
Detail lines, filled regions, 2D
details
Annotation Elements
Dimensions, text notes, loaded tags, symbols
Figure Adopted from “Revit 2013” by Paul Aubin
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© 2012 Autodesk
Model Progression Specification and Level of
Detail Gets Everyone on the Same Page
LOD 100: Conceptual
LOD 200: Approximate Geometry
LOD 300: Precise Geometry
LOD 400: Fabrication
LOD 500: As-built
Modeled elements will need to be at least
LOD 300 if used for construction
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© 2012 Autodesk
Levels of Detail
LOD 100 Model Elements indicative of area, height,
volume, location, and orientation may be
modeled in three dimensions or represented by
other data. (ie., a pump would be a cube)
Uses Total project duration
Phasing of major elements
Conceptual cost allowance ($/sf of floor area)
Cost assumptions on future content
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© 2012 Autodesk
Levels of Detail
LOD 200 Model Elements are modeled as generalized
systems or assemblies with approximate
quantities, size, shape, location, and
orientation. Non-geometric information may
also be attached to Model Elements. (ie., a
pump would be a generic pump of
approximate size.)
Uses Time-scaled, ordered activities
Estimated cost based on generic elements
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© 2012 Autodesk
Levels of Detail
LOD 300 Model Elements are modeled as specific
assemblies accurate in terms of quantity, size,
shape, location, and orientation. Non-
geometric information may also be attached to
Model Elements. Accurate to contract
documents. (ie., a pump would be a generic
pump of accurate size complete with
connections and clearances for a complete
system.)
Uses Time-scaled, ordered assemblies
Estimated cost based on specific assemblies
(i.e., specific wall type)
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© 2012 Autodesk
Collaboration Using BIM
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© 2012 Autodesk
BIM Usage Spectrum by Project Delivery Method
Design-Bid-Build
CM as Risk/GMAX/Design Assist
Design-Build
IPD-ish
Integrated Project Delivery
Integrated practice starts here
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© 2012 Autodesk
Design Intent vs. Construction Models
Level of Detail
From Generic Objects to well-defined objects
Scale
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© 2012 Autodesk
BIM Execution Plan
Successful use of BIM
on a project requires
a strong framework
and management
plan that aligns, roles,
responsibilities,
expectations and
deliverables.
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© 2012 Autodesk
Importance of a BIM Execution Plan
Define BIM Goals & Uses
Design Project Process &
Responsibilities
Develop Model Requirements
Implement Quality Control
Image courtesy of Penn State CIC
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© 2012 Autodesk
BIM Execution Plan-Design Constraints Matrix
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© 2012 Autodesk
Revit Data Extraction Powered by Assemble
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© 2012 Autodesk
Publish Models and Revisions
Complete inventory of
100MB model in 5 minutes
Opening a model and publishing to Assemble takes
minutes. Assemble tracks each version for side-by-
side comparisons.
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© 2012 Autodesk
Leverage Comprehensive Model Inventories
Average 5-10 minutes
Components can be quickly isolated into specific studies or
complete model takeoffs can be compiled. Navisworks
Search Sets are created representing each item in the model
for easy visualization.
Complete Model Inventories
Variance Reports
Excel Exports
Navisworks Search Sets
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© 2012 Autodesk
Make Sense of your Building Information
Group by ANY property
Built-in or User-defined
Examples
By Level & Category
By Room, Space
By Occupancy
By MEP System
By Work Breakdown
Assembly Code
Keynote
Omniclass
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© 2012 Autodesk
Use Smart Filters to Focus and Collaborate
Focus on specific studies of your project
Filter on any property or value range
Create custom views for reference
Quality Check your models
Create custom reports you can share
Produce search sets that simplify clash
detection and coordination
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© 2012 Autodesk
Within 10 minutes of opening a design model…
One person can QA/QC the model
Quick Model Check with Assemble
BIM Managers make an average
of $1,500 - $2,000 (pre-tax)
Rapid Data Extraction pays for
itself in 2 weeks time
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© 2012 Autodesk
Visually Compare Model Versions
Side-by-side comparison of
updated Walls
4-20-2012 Version
5-14-2012 Version
Navisworks Search Sets created by
Assemble help visualize where Adds &
Deducts occur within minutes.
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© 2012 Autodesk
Overlay Versions to Reveal Changes
Focus on exactly where changes are located in the project
Added Walls shown
in green
Deducted Walls shown
in red
Previous version
Walls shown in grey
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© 2012 Autodesk
Within 1 hour of opening a design model…
One person can quantify and report adds and deducts of an entire building model
4-20-2012 5-14-2012 Overlay Versions
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© 2012 Autodesk
Take Advantage of Revit Shared Parameters
Naming Conventions
Used for QA\QC
Classification Systems
Used for Cost and Schedule
UniFormat (Assembly Code)
MasterFormat (Keynote)
Omniclass
Scheduling
Activity Codes
Actual Start
Actual Complete
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© 2012 Autodesk
Working with the Revit API
Easy to learn, hard to master
Why?
Not thoroughly documented
No documentation for what parameters
exist for each category
Must support dozens of project units
Our approach is heuristic
Our approach is comprehensive
Includes built-in parameters
Includes user-defined parameters
Take advantage of Autodesk
Developer Network!
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© 2012 Autodesk
Downstream Uses
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© 2012 Autodesk
University of California,
San Diego Housing & Dining
Administration Building
2012 SCUP Pacific Regional Conference-Stanford University
Clash Detection, Constructability and Coordination
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© 2012 Autodesk
Model QA/QC
•Improperly named
objects
•Improperly located
objects
•Find model anomalies
•Find hidden objects
•Identify generic objects
•Eliminate redundant
building systems
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© 2012 Autodesk
“By integrating design, analysis,
manufacture, and the assembly of
building around digital technologies,
architects, engineers, and builders
have an opportunity to
fundamentally redefine the
relationships between conception
and production.” From “Architecture in the Digital Age and
Manufacturing” by Branko Kolarevic
Pre-fabrication &Digital Fabrication
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© 2012 Autodesk
5D Estimating •Continuous Estimating
•Target-based Design
•LOD 100 Gross Square
Footage
•LOD 200 Systems
Estimating
•LOD 300 Counting
•Consider “senior”
estimators
•Estimating Templates or
database by building types
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© 2012 Autodesk
4D Scheduling, Sequencing, and Phasing
2012 SCUP Pacific Regional Conference-Stanford University
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© 2012 Autodesk
Historical Trend Analysis
Nov. 13, 2011
Production Trend Analysis Earned Value Analysis
Work In Place Analysis
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© 2012 Autodesk
Energy analysis can be performed on a 3D
model during conceptual design
Design changes can be made early in order to
optimize energy usage
Architect and MEP engineer work collaboratively
early in the design process rather than later
Energy analysis is now a science
Different building systems and loads impact each
other and overall building performance.
Building design and energy analysis data can
now be linked
Computational Fluid Dynamics
Energy Modeling & Analysis
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© 2012 Autodesk
6D BIM-Operations
2012 SCUP Pacific Regional Conference-Stanford University
Revit Modeling Strategies
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© 2012 Autodesk
Scenario-Based Planning & Pro Forma Validation
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© 2012 Autodesk
Conclusion and Summary
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© 2012 Autodesk
Thank you
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© 2012 Autodesk
Autodesk, AutoCAD* [*if/when mentioned in the pertinent material, followed by an alphabetical list of all other trademarks mentioned in the material] are registered trademarks or trademarks of Autodesk, Inc., and/or its subsidiaries and/or affiliates in the USA and/or other countries. All other brand names, product names, or trademarks belong to their respective holders. Autodesk reserves the right to alter product and
services offerings, and specifications and pricing at any time without notice, and is not responsible for typographical or graphical errors that may appear in this document. © 2012 Autodesk, Inc. All rights reserved.