Autodesk, Inc. · NASDAQ:ADSK
Autodesk — McCarthy Building Companies — Autodesk University 2015
40 slides from Autodesk's conference presentation, 2015
Slide 1: Structural Steel and Concrete Analysis Through 3D Scanning
STRUCTURAL STEEL AND CONCRETE ANALYSIS THROUGH 3D SCANNING Joshua Engelbrecht Philip Lorenzo VDC Engineer Software Developer j Join the conversation #AU2015
Slide 2: Summary
Summary Current State of the Industry Why Scan during Construction? Best Practice Workflows Capture Compute Create Benefits, Values Code Compliance How you can contribute
Slide 3: Class summary
Class summary As a General Contractor McCarthy has integrated laser scanning as a Quality Control measure to ensure that we are providing the best client experience possible. In this presentation we will be covering what laser scanning is, why the construction industry is starting to utilize it's po
Slide 4: Key learning objectives
Key learning objectives At the end of this class, you will be able to: Logistically Analyze How to Carry Out Field Scanning Understand Field & Office Best Practices for Laser Scanning Workflows Apply Expedited Data Analysis Workflows for: Steel Monitoring Concrete Topography Concrete Mon
Slide 5: When are people typically scanning?
When are people typically scanning? August 2015
Slide 6: Why scan during construction?
Why scan during construction? As opposed to many who scan during preconstruction as-built modeling • Margin for Error • Cost of Mistakes • Costs of Delays • Overall Quality • Overall Value
Slide 7: What are we scanning for?
What are we scanning for? Beam Camber Monitoring (Pre vs. Post Pour) Floor Flatness Steel Placement Elevation Verification As-built Modeling In-Wall & Over-Head Utilities
Slide 8: Why do we scan?
Why do we scan? Increased Efficiency Quality Enhancement Risk Management Waste Reduction Why does McCarthy scan in- house? Better understanding of required deliverables Better control over Schedule Better integration with BIM processes (local coordinates) Competition and Standardizat
Slide 9: Laser Scanning vs. Conventional Survey Methods: Steel Monitoring
Laser Scanning vs. Conventional Survey Methods (Then vs. Now) Steel Monitoring Conventional Survey Laser Scanning
Slide 10: Laser Scanning vs. Conventional Survey Methods: Floor Flatness
Laser Scanning vs. Conventional Survey Methods (Then vs. Now) Floor Flatness/Floor Leveling Conventional Survey Laser Scanning
Slide 11: Our Tools
Our Tools AutoCAD Rithm International "— Building on (a BUILDER INSPECTOR AUTODESK UNIVERSITY 2015 A AUTODESK.
Slide 12: Our Strategy – Minimum Viable Workflow
Our Strategy – Minimum Viable Workflow Constantly work together to minimize the amount of steps and clicks from scan to deliverable, WITHOUT compromising on quality and accuracy Benefits: Trainability Repeatability Scalability Risk/Uncertainty Bottlenecks Costs
Slide 13: Best Practice Workflows
Best Practice Workflows #AU2015 Capture – Compute - Create
Slide 14: Field Scanning – What to look for? Jobsite Conditions
Field Scanning – What to look for? Jobsite Conditions For Optimal Data Collection: Dry conditions (NO WATER) Minimal Debris Pallets & Material Clear Clear Line of Sight Correct Job-phase (i.e. For steel, cannot be fireproofed) Minimal Foot Traffic No Rain or Airborne Dust Why is it imp
Slide 15: Field Scanning – Scheduling
Field Scanning – What to look for? Scheduling (Job-Site Phases) Mobilizations vs. Essential Data Capture FF/FL & Overhead Steel Simultaneously Deck Pour Sequencing Timing FF/FL Scanning ASAP Monitoring Based on Design Timeline Post Pour Camber Based on Fireproofing Schedule Capture – Compu
Slide 16: Field Scanning – Fireproofing Scheduling Issue
Field Scanning – What to look for? Fireproofing Scheduling Issue New Stanford Hospital Project Palo Alto, CA Level 1 Overhead Steel: - 178,313 ft2 & 11,326 LF Main Steel - Fireproofing carried out before Post-Pour Camber scanning - Had to poke through fireproofing & shoot elevations with Total Stati
Slide 17: Target-Less Registration (Cloud to Cloud)
Target-Less Registration (Cloud to Cloud) Benefits: • Easier to Train • More Free Time • Tracking/Planning • Simultaneous Scan/Registration Pro-tips: • >50% overlap each 80/20 Rule: • Scan at a faster rate (lower Field Scanning drives 80% of the results resolution), shorter distances Office Registra
Slide 18: Aligning Scan Data: Survey Control
Aligning Scan Data to Model Coordinates Method 1: Survey Control (“Best Practice” or “The Divine Privilage”) Benefits: Potentially easier (with experience) Global Accuracy Challenges: Potentially painful (in-experienced surveyor) Time/Schedule Expensive Capture – Compute - Create
Slide 19: Aligning Scan Data: Field Grid Offsets and Benchmarks
Aligning Scan Data to Model Coordinates Method 2: Field Grid Offsets and Benchmarks Considerations: May not always be available X Benefits: No need for robotic Y Total Station $1200-$2000 cost savings per mobilization Prevent 1-3 days of delay Z Capture – Compute - Create
Slide 20: Aligning Scan Data: Model Best Fit
Aligning Scan Data to Model Coordinates Method 3: Model “Best Fit” Considerations: Only for certain deliverables May be creating more liability Need to ensure scans are leveled Benefits: Same cost and schedule benefits (if done right) Less field time Capture – Compute - Create
Slide 21: Structural Steel Deliverables
Structural Steel Deliverables Steel and Fabrication and Erection Tolerances Installation Cambers Capture – Compute - Create
Slide 22: Structural Steel Camber Analysis
Structural Steel Camber Analysis Camber: +.04’ Elevation: 100.00’ Elevation: 100.04’ Elevation: 100.00’ Capture – Compute - Create
Slide 23: Structural Steel Monitoring
Structural Steel Monitoring • Pre: Verify Design Camber to installation of steel is correct • Post: Ensure performance of steel is correct Capture – Compute - Create
Slide 24: Steel Monitoring – Design vs. Field Camber
Steel Monitoring – Design vs. Field Camber Value New Stanford Hospital Project Palo Alto, CA Level 3 Overhead Steel: 67,280 sq ft Concrete 4,368 LF Steel Distance from finish floor to steel = 30’ Total Station & Philly Rod Method 8 Mobilizations for 64 Manhours 3 Points on each main beam mem
Slide 25: Intra-operative MRI system – Kaiser Oakland Medical Center
Intra-operative MRI system – Kaiser Oakland Medical Center “IMRIS...alignment is within a millimeter of optimum. This is the best steel installation IMRIS has seen in the last five years of worldwide equipment placements.” Jim Kautz, Sr. Project Manager, Kaiser Permanente National Facilities Service
Slide 26: Concrete Flatness – What is it?
Concrete Flatness – What is it? +3/8 inch -3/8 inch Capture – Compute - Create
Slide 27: Capture – Compute – Create
Flooring Material: Concrete Grinding: • Door Undercuts $1-$2/square foot $4-$5/square foot • Deck to Deck Heights • Prefabricated Walls with MEP Capture – Compute - Create
Slide 28: Value - Downstream Effects on Concrete
Value - Downstream Effects on Concrete Low spots detected in Procedure Room, might affect mobile computer station Pre-emptive Quality Control - Door-Swings Capture – Compute - Create
Slide 29: Where has McCarthy scanned Concrete?
Where has McCarthy scanned Concrete? Kaiser Oakland Kaiser South Bay Stanford Adult Hospital 13 levels - 980,000 sqft 4 floors, 320,000 sqft 8 levels - 824,000 sqft Many more to come… UC Berkeley Lower SF Bay Area UCSF Parnassus Sproul Housing Authority
Slide 30: Concrete Monitoring – Shoring/Reshoring Cantilever
Concrete Monitoring – Shoring/Reshoring Cantilever What is it? Cantilevered decking is reinforced with shoring, propping up the cantilevered end based on design deflection. The shoring transfers the loading down to the next level, hindering any downward displacement of the cantilevered section. Once
Slide 31: Concrete Monitoring – Shoring/Reshoring Cantilever Case Study
Concrete Monitoring – Shoring/Reshoring Cantilever Case Study New Stanford Hospital Project Palo Alto, CA Cantilevered Towers Level 4 Cantilevered at exterior 30’ bay Exterior bays were shored prior to concrete deck pours Once all pours were complete & concrete design strength reached for Leve
Slide 32: Concrete Monitoring – Shoring/Reshoring Cantilever Case Study
Concrete Monitoring – Shoring/Reshoring Cantilever Case Study New Stanford Hospital Project Palo Alto, CA Cantilevered Towers Scanned for FF prior to shoring removal Check for rise in elevation between interior supported bays and exterior cantilevered sections Scanning for FF after shoring rem
Slide 33: Wet Concrete
Wet Concrete One Scan Workflow No Registration Feedback to concrete crew Positive Correlation between fixing and next day condition <7 minute from scan to deliverable Capture – Compute - Create
Slide 34: Building Code Compliance
Building Code Compliance Down/Out Measurements Achieve better FF/FL Results the next day = Passed Inspections • FF20 • FF50 • FF 90 Capture – Compute - Create
Slide 35: ASTM 1155 Floor Flatness
ASTM 1155 Floor Flatness Well known laser screeding company ran FARO next to a Dipstick® floor profiler and a total station F – number comparison • FARO FF =36.02 • Total Station FF = 35.99 • Dipstick ® FF = 36.37 • Result: 1% difference between FARO and floor profiler • Now official ASTM 1155 (2014
Slide 36: Why?
Why? • Pass Inspection • Prevent Litigation UC Berkeley Lower Sproul Fire-Marshall Initiated Stair Survey Capture – Compute - Create
Slide 37: Case Study: Cost Analysis – Scan vs no scan
Case Study: Cost Analysis – Scan vs no scan Kaiser Oakland Medical Center $900-$2300 per mistake (overall + • Hundreds of penetration/Floor downstream effects) • Additional drilling required for $2000-$3000 per entire floor of scanning major penetration offsets 10 mistakes prevented = ~5x-10x ROI ($
Slide 38: How you can contribute – New Standard Creation
How you can contribute – New Standard Creation “Level of Accuracy” E06 Committee
Slide 39: ReCap
ReCap Current State of the Industry Why Scan during Construction? Best Practice Workflows Benefits Code Compliance How you can contribute
Slide 40: Questions?
Questions? Joshua Engelbrecht Philip Lorenzo VDC Engineer Product Manager Jengelbrecht@McCarthy.com Philip@Rithm.io Booth: 1131
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