Title: Robert S' Weygant, CSI, CDT, SCIP
1BIM and Specifications
- Robert S. Weygant, CSI, CDT, SCIP
- Email robert_at_sumexdesign.com
2Robert S. Weygant, CSI, CDT, SCIP
About Me
- Robert S. Weygant is a BIM integration and
product development consultant to the
construction community, providing data
structuring and graphics solutions for the
Manufacturing, Design, and Construction teams.
Robert has practical experience as an general
contractor, draftsman, manufacturers
representative, independent specifier and BIM
integrator, and is a Certified Autodesk Revit
professional
3Overview Outline
- Introduction
- Topics to Cover
- Introduction Vision of BIM
- Earlier involvement in the Project
- Specifiers Changing Role
- Getting into the Model
- Management of Assemblies and Systems
- Standards and Formats
- Managing Data
- IPD Integrated Project Delivery
- Creating Specification Documents from BIM Data
- Conclusions - What will tomorrow Bring?
- Discussion Q A
4Vision of bim
5Vision of BIM
- What is BIM?
- Building Information Modeling (BIM) A technology
which allows relevant graphical and topical
information related to the built environment to
be stored in a relational database for access and
management. - Definitions
- Building (n) Any structure, project, system, or
space. - Construction
- Transportation
- Geospatial
- Information (n) Knowledge of specific events or
topics gathered or received by communication. - Modeling (v) Creation of a schematic description
of a system, theory, or design that accounts for
its known or inferred properties for further
study of its characteristics. - Definitions as they apply to BIM
- Building Information (n) Knowledge applicable to
a given project, system, or element. - Information Modeling (v) A description of the
attributes of a design for further study of its
characteristics. - Building Modeling (v) Description of a
structure, project, system or space by way of
visual and graphic representation.
6Vision of BIM
- Process Improvement
- Improves the efficiency of aspects of the project
lifecycle by leveraging available project
information and minimizing design time. - Fosters the concept of a building as a whole,
rather than a sum of its parts. - Allows all interested parties an opportunity to
work in a collaborative environment. - Provides conceptual models of buildings, systems
and elements for visualization and simulation
prior to decision making. - Automates redundant tasks for reuse between
elements, systems and projects.
7Vision of BIM
- Improved Accuracy and functionality of
Deliverables - Automation of code compliance and systems
analysis - Automation of schedules, QTOs BOMs
- Visualizations and renderings prior to
construction - Clash Detection
- Documenting a Buildings Lifecycle
- Archival of building progress at each phase of
project development - Global element and system updating facilitates
creation of As-Built models - As-Built model information leveraged for
Facilities Management building usage and
maintenance forecasting.
8Earlier Involvement in the Project
9Earlier Involvement in the Project
- Project information begins to evolve within the
project at an earlier point. - Earlier system and element based decisions
Faster design time - Earlier product specific decisions made allows
earlier development of the project manual. - Simulations and visualizations confirm compliance
with project requirements and intent.
10Earlier Involvement in the Project
- Increased roles and responsibilities of the
Specifier - Assumes responsibility of project information
manager through the project lifecycle. - Assumes responsibility of management of digital
BIM elements.
11Earlier Involvement in the Project
- Strengthened / affirmed need for Specifiers
knowledge base - Specifier typically has the greatest level of
knowledge about products and systems. - Specifier viewed as Knowledge Manager in
addition to Spec Writer
12Specifiers Changing Role
13Specifiers Changing Role
- The Specifier as Spec Writer
- Current Responsibilities
- Project Documentation
14Specifiers Changing Role
- The BIM Evolution Changing Deliverables
Specification Writer
Knowledge Manager
15Specifiers Changing Role
- The Specifier as Knowledge Manager
- BIM Responsibilities
- System and element selection
- BIM System Integration
- Project Information Manager
- Project Documentation
16GETTING INTO THE MODEL
17GETTING INTO THE MODEL
- Emphasize Need for Specifiers Involvement in BIM
Model - Knowledge Management
- Specifier is most qualified with elements and
systems - Minimizes research effort required by design team
- Eliminates redundant work performed by design
team and specifier - Consultant t
- Process Improvement
- Streamlines workflow - information is provided
earlier allowing on-the-fly decision making - Provides consistency - Changes to documentation
of project information is handled by one party - Standardization and Data Organization
- Specifiers have most knowledge and experience
with standards and formats - Current role is that of data organizer BIM
moves the role to a digital format.
18GETTING INTO THE MODEL
- Methods of Entering the BIM Model
- Peripheral Consulting role to advise BIM
modelers - Provide Guidance
- Provide Product and System Selections
- Direct Creation and Management of Model Content
- Provide Product and System Selections
- Development of BIM component and system data
- Management of BIM data after implementation in
the model
19GETTING INTO THE MODEL
- Specifiers Roles and Responsibilities Within the
Model - Model Data Maintenance
- Modifying products from generic to
proprietary as decisions are made - Adding, linking and changing performance
requirements to compliment and conform to
documented requirements. - Element and System Design
- Development of actual graphic component files for
model implementation. - Development and modification of system
configurations as changes are made - Control of Output Forms and External Data Links
- Management of links related to individually
specified elements and assemblies. - Management of documentation exported or output
from model. - Creation of documentation consistent with model
data. - Addition of Performance and Lifecycle Information
- Addition of performance based information
necessary to allow analysis of systems - Addition of lifespan, warranty, phasing,
maintenance, and replacement information of
future leveraging by facilities managers and
owners
20Management of Materials, Assemblies and Systems
21Materials, Assemblies and Systems
- Working with BIM Inside the Model vs.
Peripheral - Inside the Model
- Ensures consistency between model data and
construction documents - Allows most qualified party to control data
inside the model - Decreases effort required to create as built
model - Requires knowledge of design software
- Peripheral
- Provides a go-to individual for element and
system selection across design phases. - Allows model updates as elements are selected
rather than all at once or not at all, - Assists design team by providing element and
system information to be entered in the model
22Materials, Assemblies and Systems
- Management of Materials
- Materials carry information relevant to the
appearance and behavior of every component in the
model. - Visual appearance and rendering
- Structural performance and limitations allow
analysis of model by external software - Creation of Materials
- Development of materials based on performance,
appearance or manufacturers requirements - Formatting of materials into specific design
considerations - Selection of materials applicable to element
types - Providing options for materials applicable to
element types
23Materials, Assemblies and Systems
- Management of Elements
- Elements carry information relevant to the
performance of the overall building - Resource and energy consumption data
- Effective lifespan of element
- Elements contain descriptive indicators which
differentiate similar products from same products - Keynotes MasterFormat, Uniformat, Omniclass,
Annotations and Tags - Descriptors Identifiers, Descriptions, Comments,
Notes - Elements carry properties which apply to design
considerations and selection criteria. - Allows qualification and quantification of
attributes for product comparisons of same
elements. - Documents what a product is, and why it was
chosen - Creates a reference standard for replacement
elements along the buildings lifecycle. - Elements and products have a documented standard
forfuture analysis of the building.
24Materials, Assemblies and Systems
- Management of Assemblies and Systems
- Assemblies and systems carry information relevant
to individual products as they relate to an
assembly as a whole (Walls, Floors, Ceilings,
Roofs) - Configuration of systems based on Logical Design
(Rated Assemblies) - Configuration based on design requirements
(Thermal, Sound) - Configuration based on preference (Color,
Finishes) - Assemblies behave a certain way based on their
individual components - Development of structural walls vs. partitions
- Assignment of performance requirements
25Materials, Assemblies and Systems
- Management of Outputs and Schedules
- Formatting of Schedules
- Template and assign fields required for various
schedules - Creation and maintenance of required schedules
- Preparation of Specifications and Related Output
Documents - Development of specifications based on BIM models
- Information required throughout the building
lifecycle. Provide access to data sheets,
performance standards, installation requirements,
and other references. - Development of Informational Links
- Management of links to related information
necessary through building lifecycle - Warranty, specification, documentation, testing,
code compliance
26Standards and Formats
27Standards and Formats
- MasterFormat
- Categorization of work results
- Documents what work was performed
- Top level / cross-reference / keynote
- Acts as reference keynote to prepared
specification - More depth of knowledge required for BIM models
- Qualification Data - Descriptors
- Quantification Data Performance Aspects
Metal Windows 08 51 00
28Standards and Formats
- Uniformat
- Classification of Assemblies and Elements
- Documents Components and Systems
- Acts as reference between Assembly and BIM Model
- Again - More depth of knowledge required for BIM
models - Qualification Data - Descriptors
- Quantification Data Performance Aspects
Aluminum Windows B2020.08520
29Standards and Formats
- Omniclass Tables
- Table 23 Products
- Describes individual products by appearance
- Used in Assemblies (UF) to create Work Results
(MF) - Table 31 Phases
- Useful as a Data Filter
- Organize data based on need at specific points
during project lifecycle
Table 23
Aluminum Casement Windows 23-30 20 17 21 14
Table 31
30Standards and Formats
- Omniclass Tables
- Table 49 Properties
- Useful as a Taxonomy
- No enumeration Add?
- Unify and Quantify physical properties of
elements and products. - Other Tables
- Table 33 - Disciplines Division of work
responsibilities within the project - Table 41 Materials Qualification and
Organization of Materials used on the project
Table 49
31Standards and Formats
- Other Standards and Formats
- CSI GreenFormat
- Organization of data associated with
Sustainability / LEED - National CAD Standard
- Graphics layering gives way to Information
layering. - Align NCS with BIM to avoid confusion during
transition - Existing format to manage project data Organize
information with graphics - Other Property Set Development
- SPIE
- IFC / IFD IAI
- NIBS
- NBIMS
- USGBC
32Managing Data
33Managing Data
- Selecting Attributes
- BIM is larger than singular participant in the
project - Provide attributes necessary for project based on
conditions, intent and necessity - Critical need for development of standards
- Specifier doesnt know what every interested
party needs
34Managing Data
- Adding Information (Analog)
- Hand Passing Information or The Lateral
- Todays Standard Workflow
- Requires no knowledge of BIM software
- No interaction with model
- Analog Passing of files between parties outside
of the model environment - Little additional benefit
35Managing Data
- Adding Information (Peripheral to Model)
- Development of Component Objects (Elements) and
Systems - Efficient workflow for specifiers and design
teams on BIM based projects - Requires some BIM software knowledge or
development of an automated interface - Data Driven Specifier resides outside of the
model, looking in. - Specifier prepares elements for insertion into
model by design team
36Managing Data
- Adding Information (IPD)
- Direct to Project Model
- Requires substantial BIM software knowledge or
development of an automated interface - Workflow process for specifiers involved with IPD
projects - Development and placement of elements inside the
model - Data driven, not design driven
- Performed prior to dimensioning or detailing
- Streamlines entire IPD teams process.
37Managing Data
- How Much is too Much?
- Data is a minor use of file size and software
resources - Better to have information and not need than to
need and not have - Data is viewed through filters such as schedules
and software plug-ins allowing unnecessary data
to be Hidden - Quality, not quantity
- Relevance is important
- Avoid descriptive data and terms
- Embed information only where necessary for model
analysis - Structural Properties
- Usage Properties
- Linking to web-based data keeps information
current - Base Information levels on project requirements
- Structural information on interiors project
- Lighting Information on structural project
38IPD Integrated Project Delivery
39IPD Integrated Project Delivery
- What is IPD
- Benefits to IPD projects from Specifier's
involvement - Earlier Product Selection
- Increased design time based on specified product
- Reduction in procurement delays
- More Accurate and Effective Bidding
- Comparisons can be affirmed by line item (Apples
to Apples) - Product substitutions may be made quickly
- Rolling Design Changes
- As actual products are specified, model updates
may be performed allowing more time for model
analysis and clash detection
40IPD Integrated Project Delivery
- Benefits to IPD projects from Specifier's
involvement - Earlier Product Selection
- Increased design time based on specified product
- Reduction in procurement delays
- More Accurate and Effective Bidding
- Comparisons can be affirmed by line item (Apples
to Apples) - Product substitutions may be made quickly
- Rolling Design Changes
- As actual products are specified, model updates
may be performed allowing more time for model
analysis and clash detection
41Creating Specification Documents from BIM Data
From This
To This
42Creating Specification Documents from BIM Data
- Manual Specification Creation from Model Data
- Project info more organized
- Information comes from well organized data sets
including performance criteria, keynotes,
assembly codes, descriptors and notes - Informational links allow for simplified product
solutions research - More Accurate
- The more information that is provided, the more
accurate the documentation can be at an earlier
point. - Allows more time to develop solutions
- Creates a point of reference
- Singular point of data unifies information
- Model Data Specification Data
- Accountability
- Date-stamped record of information provided
- Creates a clear division of Work
43Creating Specification Documents from BIM Data
- Automated Systems
- 3rd party plug-ins which attach to BIM software
- Create baseline specifications
- Typically non-specific to actual manufactured
product - No reference standard
- Difficult to use. Additional software system to
learn - Developmental, and functional, but cannot replace
the specifier - Future Improvements may improve the accuracy of
the finished document, but are only as good as
the guide specification which is initially
created.
44Creating Specification Documents from BIM Data
- The Future of Specification Writing
- Digitally Based Documents
- Electronic Formats
- XML embedded
- Automation based on Guide Spec Systems
- More SpecWizard type interfaces
- Concurrent development of Specifications and BIM
Elements - Specification and BIM element created
simultaneously from design considerations
45Conclusions
46Conclusions
- Role as spec writer remains, only the deliverable
changes. - Specifier is the most qualified member of the
project team for managing BIM data. - Specifier can evolve to Project Information
Manager - IPD can further streamline construction processes
by bringing Specifier's expertise into the model. - Additional education and cursory knowledge of BIM
software can dramatically increase the value of
the specifier to the design team.
47Questions, Comments and Discussion
- Robert S. Weygant, CSI, CDT, SCIP
- Email robert_at_sumexdesign.com