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Structural Level of Detail in Revit®: When to Draw the Line and Where to Model It! Will IKERD Director IPD Department, RLG English Version Brenda Herrera Ikerd Consultant, i2concepts a subsidiary of Ikerd Consulting, LLC English and Spanish Version
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Spanish Version (Versión en Español)
A recording of this Session and its papers are also available in Spanish. Please visit AU.autodesk.com, session SE333-1 for the Spanish Content. Esta sesión está disponible en español. Por favor, visite AU.autodesk.com para ver los documentos de esta sesión.
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What to Expect: STRUCTURAL LOD Who What When Where Why How
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Is this important to my job / my business?
STRONGLY AGREE if Architect Structural Engineer Mechanical Engineer Contractor Sub-contractor Owner Legal
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DIALOG
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Will’s Background Director of IPD Department at RLG, Inc.
Licensed Practicing Professional Engineer (TX) Masters in Structural Engineer Washington Univesity in St. Louis Focus in parametric modeling of structure (‘96-98). Areas of interest are Structures Envelope BIM & VDC Director of IPD Department at RLG, Inc.
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Will’s Background Co-Chair Designers sub-forum Co-Chair
SEI – CASE Joint Committee on BIM Committee member Technology Integration Committee American Concrete Institute ACI Committee 131 BIM Glass Association of North America BIM Task Force
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Brenda's Background Founded Ikerd Consulting LLC and its subsidiary i2concepts beginning in 2003. Started working with Revit Structure V2 (‘05) Co-Authored Autodesk's Structural Educational Curriculum Co-authoring book on Virtual Design and Construction (VDC) with Navisworks in both Spanish and English.
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Major Take Away “Everything should be made as simple as possible, but not one bit simpler. ” Albert Einstein
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TYPES OF BIM MODELS CLASH DETECTION VALUE ENGINEERING DIM. CONTROL
DOCUMENTATION FABRICATION FIELD BIM
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Inventor SolidWorks ProE
Custom Programming In VB & VB.net LOD & FEDERATED MODEL Revit MEP & Bentley Mechanical Bentley Architecture Revit Architecture Revit Structure Bentley Structural 3D Civil Inventor SolidWorks ProE
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LOD Should Clearly Defined the X,Y,Z origin
LOD and Origin LOD Should Clearly Defined the X,Y,Z origin
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Ikerd’s Ideas for Structural Design LOD
Avoid re-modeling Clearly Define the local X,Y,Z Origin Model Content Shown on Typical 1/8" Plan Model Structure as it will be Constructed Do Not Duplicate Model Content (A,S & M) Use Shared Model for 2 Discipline content
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Ikerd’s Ideas for Structural Design LOD
Don't Assume Construction Methods Match BIM material w/ specifications Engineers Open & Review their BIM Not All Steel, Concrete is Structural Train inside & out on Structural BIM LOD
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AIA E202 BIM Protocol Exhibit
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AIA E202™–2008 LOD 350? Fully coordinated federated model?
100: Many items modeled. Masses & sq.ft. 200: Geometry is established but no object data 300: Engineered sizes of objects are established 350? Fully coordinated federated model? 400: Shop drawing & committed purchase price 500: As Built Model, complete.
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Why Define a Structural BIM LOD of 350
There’s many a slip between the cup and the lip
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AIA E202™–2008 LOD Table
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AIA E202™–2008 LOD Table CSI UniFormat for structures
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Why use the CSI MasterFormat 2010 for Structural
STRUCTURAL TOPICS 03 CONCRETE 04 MASONRY 05 METALS (STEEL) 06 WOOD 31 EARTHWORK 32 EXTERIOR IMPROVEMENTS
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Structural LOD Levels LOD LOD CONCEPT PHASE TRADITIONS PHASE (TYP.)
100 Conceptualization Schematic Design 200 Criteria design Design Development 300 Detailed Design Construction Documentation 350 Beyond Detail Design Pre-Construction 400 Fabrication Detail Construction Administration 500 Facility Management Hand Over
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STRUCTURAL LEVEL OF DETAIL (LOD) MODEL
100 200 300 350 400 500
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Structural LOD Model, Overview
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Structural LOD Model, Overview
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CONCRETE CAST-IN-PLACE
LOD 300 LOD 100 LOD 200
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Structural LOD Table
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Structural LOD w/ CSI MasterFormat
XX YY ZZ.## XX – DIVISION YY & ZZ – SUB DEV .## User Defined
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Structural LOD 100 STR. NARRATIVE + ARCH. LOD 100 = STR. LOD 100
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Structural LOD 100 with Narrative Content
Sample Text in Narrative: One Story Building Anticipated Structure will be: 7-1/4" tilt wall Wall height ~ 22 feet tall Columns ~ HSS 8x8x1/4. Top Of Steel at 17’ Five foot parapet. 5 ½” Slab On Grade 4’ moisture improved sub-grade 0,0 BIM Origin at S-W panel face Finish Floor at 100’ ARCH. BIM LOD 100 STR. LOD 100
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Structural LOD 100 with Model & Narrative
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Structural LOD 200: Basement Wall Example
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Structural LOD 300: Basement Wall Example
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TILT WALL EXAMPLE & ELEMENTS
WALL ELEMENTS PIER LOCATIONS TOP OF WALL & OPENINGS BASE OF WALL WALL THICKNESS JOINTS ARE INDICATED ON PLAN (2D LINES) WALL JOINTS ARE MODELED JOIST CONNECTIONS BARRING & EDGE ANGLE & EMBEDS PANEL ROUGH OPENINGS ERECTION BRACES
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TILT WALL LOD Example
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300 LOD STRUCTURAL BIM
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300 LOD STRUCTURAL BIM with LINKED SHARED 300 LOD TILT WALL BIM
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300 LOD SHARED TILT WALL BIM
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300 LOD ARCHITECTURAL BIM
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300 LOD ARCHITECTURAL BIM
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300 LOD ARCHITECTURAL BIM w/ 300 LOD SHARED TILT-WALL MODEL
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300 LOD ARCHITECTURAL BIM
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300 LOD STRUCTURAL BIM
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STRUCTURAL LOD 300: 2D Typical Details STRUCTURAL LOD 350+: 3D modeled Content
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STRUCTURAL LOD 300: 2D Typical Details STRUCTURAL LOD 350+: 3D modeled Content
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300 LOD STRUCTURAL BIM Plan View
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350 LOD Example “Panel Book” BIM
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Structural Concrete LOD
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350 LOD RFI’S CONCRETE CAST-IN-PLACE
LOD 350 and 400
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STRUCTURAL LOD 300: 2D Typical Details STRUCTURAL LOD 350+: 3D modeled Content
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350 LOD EXAMPLE: “BIM” TYP. DETAIL
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350 LOD EXAMPLE: “BIM” TYP. DETAIL?
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STRUCTURAL LOD 300: 2D Typical Details STRUCTURAL LOD 350+: 3D modeled Content
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STRUCTURAL LOD 300: 2D Typical Details STRUCTURAL LOD 350+: 3D modeled Content
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350 Architecturally Modeled Masonry Steel Content
WHEN MODELED, THESE SHOULD BE CREATED IN THE ARCHITECT MODEL SIZES COORDINATED WITH THE STRUCTURAL ENGINEER WITH SCHEDULE SHOWN IN THEIR DOCUMENTS.
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350 Architecturally Modeled Stair Steel Content
WHEN MODELED, THESE SHOULD BE CREATED IN THE ARCHITECT MODEL
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350 Architecturally Modeled Steel for Folding Partitions
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STRUCTURAL LOD 300: 2D Typical Details LOD 350+: 3D modeled Content
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Steel Joist and Deck Example
BRIDGING EXTENSIONS STEEL HEADERS
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PRECISION? vs. ACCURACY? LOD 300 GENERIC BIM MODEL
MANUFACTURES 2D MODEL LOD 350 CUSTOM MODEL
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PRECISION? vs. ACCURACY?
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LOD 300: BRIDGING MODELED? W/ 2D Details LOD 350+: 3D modeled Content
Bridging should be modeled at LOD 300 Connections are modeled at 350+
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Open Web Steel Joist Framing
System Definition Sloping members Connection Seats & Embeds Bridging, Headers & Braces Top & Bottom Chord Extensions
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Buckling Restrained Braces: Star Seismic Example
LOD 200 Ikerd Structural LOD Model LOD 300 LOD 350 Ikerd Structural LOD Model LOD 400 Ikerd Structural LOD Model
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350 LOD Grade Beam Content
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300 LOD Foundation
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RETAINING WALL EXAMPLE
LOD 300 LOD 350
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Other Disciplines Must Have Comparable LOD !
ARCHITECTURAL CIVIL MECHANICAL ELECTRICAL PLUMBING FIRE
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WILL IKERD, PE SEND CRITIQUES PLEASE SEND COMPLIMENTS TO:
CONTACT SEND CRITIQUES WILL IKERD, PE e: PLEASE SEND COMPLIMENTS TO: AUTODESK, Class SE333-1 By Filling Out the Survey
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Please Fill Out the Survey
Will Ikerd, PE e: Brenda Herrera Ikerd e: Please Fill Out the Survey AU Class SE333-1 Autodesk [and other] 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. © 2010 Autodesk, Inc. All rights reserved.
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