5d bim: creating cost certainty & better buildings · variations (5 claims) + 2% source:...
TRANSCRIPT
![Page 1: 5D BIM: Creating Cost Certainty & Better Buildings · Variations (5 Claims) + 2% Source: Mitchell Brandtman ... Concept & Massing LOD 200 Approx. Geometry LOD 300 Precise Geometry](https://reader034.vdocuments.us/reader034/viewer/2022042621/5f626bf4602e416fbd05224c/html5/thumbnails/1.jpg)
5D BIM: Creating Cost Certainty & Better Buildings
HKIS: International QS BIM Conference 2013 Hong Kong, 9th November 2013
![Page 2: 5D BIM: Creating Cost Certainty & Better Buildings · Variations (5 Claims) + 2% Source: Mitchell Brandtman ... Concept & Massing LOD 200 Approx. Geometry LOD 300 Precise Geometry](https://reader034.vdocuments.us/reader034/viewer/2022042621/5f626bf4602e416fbd05224c/html5/thumbnails/2.jpg)
Discussion
5D Cost Planning Case Study
What Skills does a 5D QS need?
5D BIM Execution Plan
Deliverables SCPUH
![Page 3: 5D BIM: Creating Cost Certainty & Better Buildings · Variations (5 Claims) + 2% Source: Mitchell Brandtman ... Concept & Massing LOD 200 Approx. Geometry LOD 300 Precise Geometry](https://reader034.vdocuments.us/reader034/viewer/2022042621/5f626bf4602e416fbd05224c/html5/thumbnails/3.jpg)
5D Cost Planning Case Study: River Quay Project, Brisbane, Australia
![Page 4: 5D BIM: Creating Cost Certainty & Better Buildings · Variations (5 Claims) + 2% Source: Mitchell Brandtman ... Concept & Massing LOD 200 Approx. Geometry LOD 300 Precise Geometry](https://reader034.vdocuments.us/reader034/viewer/2022042621/5f626bf4602e416fbd05224c/html5/thumbnails/4.jpg)
![Page 5: 5D BIM: Creating Cost Certainty & Better Buildings · Variations (5 Claims) + 2% Source: Mitchell Brandtman ... Concept & Massing LOD 200 Approx. Geometry LOD 300 Precise Geometry](https://reader034.vdocuments.us/reader034/viewer/2022042621/5f626bf4602e416fbd05224c/html5/thumbnails/5.jpg)
![Page 6: 5D BIM: Creating Cost Certainty & Better Buildings · Variations (5 Claims) + 2% Source: Mitchell Brandtman ... Concept & Massing LOD 200 Approx. Geometry LOD 300 Precise Geometry](https://reader034.vdocuments.us/reader034/viewer/2022042621/5f626bf4602e416fbd05224c/html5/thumbnails/6.jpg)
Layered Models – Consistency & Coordination
![Page 7: 5D BIM: Creating Cost Certainty & Better Buildings · Variations (5 Claims) + 2% Source: Mitchell Brandtman ... Concept & Massing LOD 200 Approx. Geometry LOD 300 Precise Geometry](https://reader034.vdocuments.us/reader034/viewer/2022042621/5f626bf4602e416fbd05224c/html5/thumbnails/7.jpg)
5D Estimating – Visualise Costs
![Page 8: 5D BIM: Creating Cost Certainty & Better Buildings · Variations (5 Claims) + 2% Source: Mitchell Brandtman ... Concept & Massing LOD 200 Approx. Geometry LOD 300 Precise Geometry](https://reader034.vdocuments.us/reader034/viewer/2022042621/5f626bf4602e416fbd05224c/html5/thumbnails/8.jpg)
5D Estimating – Trusted Quantities
![Page 9: 5D BIM: Creating Cost Certainty & Better Buildings · Variations (5 Claims) + 2% Source: Mitchell Brandtman ... Concept & Massing LOD 200 Approx. Geometry LOD 300 Precise Geometry](https://reader034.vdocuments.us/reader034/viewer/2022042621/5f626bf4602e416fbd05224c/html5/thumbnails/9.jpg)
Structural Steel Shop Drawings Structural Steel Fabrication & Erection
![Page 10: 5D BIM: Creating Cost Certainty & Better Buildings · Variations (5 Claims) + 2% Source: Mitchell Brandtman ... Concept & Massing LOD 200 Approx. Geometry LOD 300 Precise Geometry](https://reader034.vdocuments.us/reader034/viewer/2022042621/5f626bf4602e416fbd05224c/html5/thumbnails/10.jpg)
% Change
Entire Contract:
Extensions of Time (38 No) + 57%
Variations (321 Claims) + 27%
Structural Steel Component (15%):
Extensions of Time (zero) + 0%
Variations (5 Claims) + 2%
Source: Mitchell Brandtman
Final Costs & Time – Structural Steel v Entire Contract
![Page 11: 5D BIM: Creating Cost Certainty & Better Buildings · Variations (5 Claims) + 2% Source: Mitchell Brandtman ... Concept & Massing LOD 200 Approx. Geometry LOD 300 Precise Geometry](https://reader034.vdocuments.us/reader034/viewer/2022042621/5f626bf4602e416fbd05224c/html5/thumbnails/11.jpg)
What Skills does a 5D QS need?
![Page 12: 5D BIM: Creating Cost Certainty & Better Buildings · Variations (5 Claims) + 2% Source: Mitchell Brandtman ... Concept & Massing LOD 200 Approx. Geometry LOD 300 Precise Geometry](https://reader034.vdocuments.us/reader034/viewer/2022042621/5f626bf4602e416fbd05224c/html5/thumbnails/12.jpg)
Pulling Information
![Page 13: 5D BIM: Creating Cost Certainty & Better Buildings · Variations (5 Claims) + 2% Source: Mitchell Brandtman ... Concept & Massing LOD 200 Approx. Geometry LOD 300 Precise Geometry](https://reader034.vdocuments.us/reader034/viewer/2022042621/5f626bf4602e416fbd05224c/html5/thumbnails/13.jpg)
Improve Information – No need for QSID or Codes
Add Parameters
![Page 14: 5D BIM: Creating Cost Certainty & Better Buildings · Variations (5 Claims) + 2% Source: Mitchell Brandtman ... Concept & Massing LOD 200 Approx. Geometry LOD 300 Precise Geometry](https://reader034.vdocuments.us/reader034/viewer/2022042621/5f626bf4602e416fbd05224c/html5/thumbnails/14.jpg)
Mapping - Qtys & Descriptions
![Page 15: 5D BIM: Creating Cost Certainty & Better Buildings · Variations (5 Claims) + 2% Source: Mitchell Brandtman ... Concept & Massing LOD 200 Approx. Geometry LOD 300 Precise Geometry](https://reader034.vdocuments.us/reader034/viewer/2022042621/5f626bf4602e416fbd05224c/html5/thumbnails/15.jpg)
Mapping – BQ Level of Detail
![Page 16: 5D BIM: Creating Cost Certainty & Better Buildings · Variations (5 Claims) + 2% Source: Mitchell Brandtman ... Concept & Massing LOD 200 Approx. Geometry LOD 300 Precise Geometry](https://reader034.vdocuments.us/reader034/viewer/2022042621/5f626bf4602e416fbd05224c/html5/thumbnails/16.jpg)
Model Validating & Work-a-rounds
![Page 17: 5D BIM: Creating Cost Certainty & Better Buildings · Variations (5 Claims) + 2% Source: Mitchell Brandtman ... Concept & Massing LOD 200 Approx. Geometry LOD 300 Precise Geometry](https://reader034.vdocuments.us/reader034/viewer/2022042621/5f626bf4602e416fbd05224c/html5/thumbnails/17.jpg)
Pushing Information & Round Tripping
![Page 18: 5D BIM: Creating Cost Certainty & Better Buildings · Variations (5 Claims) + 2% Source: Mitchell Brandtman ... Concept & Massing LOD 200 Approx. Geometry LOD 300 Precise Geometry](https://reader034.vdocuments.us/reader034/viewer/2022042621/5f626bf4602e416fbd05224c/html5/thumbnails/18.jpg)
Revisioning – Price Negotiations & Transparency
• Revised • New • Deleted
![Page 19: 5D BIM: Creating Cost Certainty & Better Buildings · Variations (5 Claims) + 2% Source: Mitchell Brandtman ... Concept & Massing LOD 200 Approx. Geometry LOD 300 Precise Geometry](https://reader034.vdocuments.us/reader034/viewer/2022042621/5f626bf4602e416fbd05224c/html5/thumbnails/19.jpg)
5D BIM Execution Plan
![Page 20: 5D BIM: Creating Cost Certainty & Better Buildings · Variations (5 Claims) + 2% Source: Mitchell Brandtman ... Concept & Massing LOD 200 Approx. Geometry LOD 300 Precise Geometry](https://reader034.vdocuments.us/reader034/viewer/2022042621/5f626bf4602e416fbd05224c/html5/thumbnails/20.jpg)
BIM Execution Plan
Source: Mitchell Brandtman
![Page 21: 5D BIM: Creating Cost Certainty & Better Buildings · Variations (5 Claims) + 2% Source: Mitchell Brandtman ... Concept & Massing LOD 200 Approx. Geometry LOD 300 Precise Geometry](https://reader034.vdocuments.us/reader034/viewer/2022042621/5f626bf4602e416fbd05224c/html5/thumbnails/21.jpg)
5D QS Workflow
LOD 100 Concept & Massing
LOD 200 Approx. Geometry
LOD 300 Precise Geometry
LOD 400 Fabrication
100
300
400 to
500
200
Concept Design Elemental Estimates
Initial Timeline Pull Mass Information
Work the Concept Functional Efficiency Alternative Designs
Schematic Design Elemental Estimates
Pull General Assemblies Push Work Breakdown Structure (WBS) Codes
Push Elemental Codes
Start Living Cost Plan Map Model & Links Cost Benchmarking Alternative Methods & Systems Value Management
Developed Design Sub-element Estimates
Pull Specific Assemblies Push Sub-element & Trade Codes
Push Activity Codes
Living Cost Planning Re-map Model & Links Alternative Materials Life Cycle Costs Quantity Take-Off Analyse Construction Sequence
Commence Construction Trade Package Estimates
Complete Virtual Design & Construction Pull Sequence & Location Data
Push GL Codes Push Bid & Cost Rates
Time & Cost Integrated Model Push Expected & Effective Lives
Push Replacement & Running Costs
Source: Mitchell Brandtman
![Page 22: 5D BIM: Creating Cost Certainty & Better Buildings · Variations (5 Claims) + 2% Source: Mitchell Brandtman ... Concept & Massing LOD 200 Approx. Geometry LOD 300 Precise Geometry](https://reader034.vdocuments.us/reader034/viewer/2022042621/5f626bf4602e416fbd05224c/html5/thumbnails/22.jpg)
Sunshine Coast Public University Hospital
![Page 23: 5D BIM: Creating Cost Certainty & Better Buildings · Variations (5 Claims) + 2% Source: Mitchell Brandtman ... Concept & Massing LOD 200 Approx. Geometry LOD 300 Precise Geometry](https://reader034.vdocuments.us/reader034/viewer/2022042621/5f626bf4602e416fbd05224c/html5/thumbnails/23.jpg)
Deliverables – Visual Subcontract Qtys for Tender
![Page 24: 5D BIM: Creating Cost Certainty & Better Buildings · Variations (5 Claims) + 2% Source: Mitchell Brandtman ... Concept & Massing LOD 200 Approx. Geometry LOD 300 Precise Geometry](https://reader034.vdocuments.us/reader034/viewer/2022042621/5f626bf4602e416fbd05224c/html5/thumbnails/24.jpg)
Deliverables - Revisioning
• Revised • New • Deleted
![Page 25: 5D BIM: Creating Cost Certainty & Better Buildings · Variations (5 Claims) + 2% Source: Mitchell Brandtman ... Concept & Massing LOD 200 Approx. Geometry LOD 300 Precise Geometry](https://reader034.vdocuments.us/reader034/viewer/2022042621/5f626bf4602e416fbd05224c/html5/thumbnails/25.jpg)
Example
![Page 26: 5D BIM: Creating Cost Certainty & Better Buildings · Variations (5 Claims) + 2% Source: Mitchell Brandtman ... Concept & Massing LOD 200 Approx. Geometry LOD 300 Precise Geometry](https://reader034.vdocuments.us/reader034/viewer/2022042621/5f626bf4602e416fbd05224c/html5/thumbnails/26.jpg)
Results - 3D v 2D Trade Package Quantities
94% 3D
6% 2D
Source: Mitchell Brandtman
3D v 2D by Cost
61% 3D
39% 2D
3D v 2D by No of Items
![Page 27: 5D BIM: Creating Cost Certainty & Better Buildings · Variations (5 Claims) + 2% Source: Mitchell Brandtman ... Concept & Massing LOD 200 Approx. Geometry LOD 300 Precise Geometry](https://reader034.vdocuments.us/reader034/viewer/2022042621/5f626bf4602e416fbd05224c/html5/thumbnails/27.jpg)
Final Words
5D creates better buildings by:
• Enabling early cost decisions
• Rehearsing estimates
• Targeting money in a transparent way
5D QS creates cost certainty by applying:
• Wisdom – know how
• Intelligence – templates, maps & data
• Technology – weekly revisioning
![Page 28: 5D BIM: Creating Cost Certainty & Better Buildings · Variations (5 Claims) + 2% Source: Mitchell Brandtman ... Concept & Massing LOD 200 Approx. Geometry LOD 300 Precise Geometry](https://reader034.vdocuments.us/reader034/viewer/2022042621/5f626bf4602e416fbd05224c/html5/thumbnails/28.jpg)
Download presentations and articles from: www.mitbrand.com/info/publications
Thank You
www.weibo.com/5DBIM