Presentation Outline • Project Background • Analysis 1: Implementation of MEP Prefabrication • Analysis 2: Building Information Modeling – Virtual Mockup • Analysis 3: Precast Floor Planks • Structural Breadth (Will Not Be Discussed) • Analysis 4: Solar Photovoltaic (PV) Panels • Electrical Breadth • Summary • Acknowledgements
Project Background
The Sterling and Francine Clark Art Institute Mohamed Alali, CM Project Background Williamstown, MA PRESENTATION OUTLINE Project Background • Location • Analysis 1: Implementation of • 225 South Street, Williamstown, MA 01267 • MEP Prefabrication Museum/Institutional • Analysis 2: BIM – Virtual • Mockup • Building Parameters 78,800 SF • Analysis 3: Precast Floor Planks • 68,150 SF Gross Building Area • Analysis 4: Solar PV Panels • Electrical Breadth • Museum Building Parameters • Summary Cost: $28 Million – GMP • • Delivery Method: Design – Bid – Build • Acknowledgements • Schedule: Jan 2011 – Sep 2013 • Architect: Tadao Ando •
The Sterling and Francine Clark Art Institute Mohamed Alali, CM Project Background Williamstown, MA PRESENTATION OUTLINE Project Background • Analysis 1: Implementation of • MEP Prefabrication CIP Structure • Analysis 2: BIM – Virtual • Glazed Aluminum Curtain Wall On • Mockup The First Floor Analysis 3: Precast Floor Planks • PLANT • Construction Phases: Analysis 4: Solar PV Panels • Electrical Breadth • Plant • VECC • Summary • VECC Acknowledgements •
Analysis 1 MEP Prefab
The Sterling and Francine Clark Art Institute Mohamed Alali, CM Analysis 1: Implementation of MEP Prefabrication Williamstown, MA PRESENTATION OUTLINE The Problem The Goal Project Background • Analysis 1: Implementation of • Embedded piping has to be within the • Increase accuracy and efficiency. • MEP Prefabrication middle third of the matslab (30”). Problem & Goal • Put the schedule back on track. • Long runs with 1/8” of pitch exceeds • Analysis 2: BIM – Virtual 10”. • Potential cost savings. • Mockup Constructability issues, intense rebar. • Project is behind schedule. • Analysis 3: Precast Floor Planks • Analysis 4: Solar PV Panels • Electrical Breadth • Summary • Acknowledgements •
The Sterling and Francine Clark Art Institute Mohamed Alali, CM Analysis 1: Implementation of MEP Prefabrication Williamstown, MA Coordination with Other Trades PRESENTATION OUTLINE Quantity Take-Off Project Background • Analysis 1: Implementation of • Bracket Know what is in the system. • MEP Prefabrication Utilizing 3D Model • How the units will be divided. • Quantity Take-Off • Clash Detection. • Understand Constraints & • Site Challenges • In Slab System Location. • Coordination Complications • Threaded Where plumbing would penetrate slab. • Max. size of a single unit due to • Analysis 2: BIM – Virtual • Exact locations reduces conflicts between trades • Bars transportation limitations. Mockup Analysis 3: Precast Floor Planks • Site Challenges Analysis 4: Solar PV Panels • Electrical Breadth • Intensive amount of rebar. Summary • • Iron Angle Pipe penetration through slab to connections • Acknowledgements • • Lay, Support, and achieve required Pitch.
The Sterling and Francine Clark Art Institute Mohamed Alali, CM Analysis 1: Implementation of MEP Prefabrication Williamstown, MA Prefab Cost Savings PRESENTATION OUTLINE Prefab Schedule Savings Project Background • Current System Percent Time Analysis 1: Implementation of • Final Results: • Activity Prefab Duration MEP Prefabrication Duration Savings Cost & Schedule • Time savings of general conditions cost and critical path. Current Prefab • Area 1 7 3.5 Days 50% Analysis 2: BIM – Virtual • $14,611 of GC. • Area 2 7 3.5 Days 50% Total Tot: $71,680 Tot: $35,840 Mockup Area 3 7 3.5 Days 50% $35,840 of labor. • Total Savings N/A 50% Area 4 7 3.5 Days 50% Analysis 3: Precast Floor Planks • Total 28 Days 14 Days 50% Total: $57,771. • Analysis 4: Solar PV Panels • Total N/A 3.5 Days 12.5% Electrical Breadth • Savings Summary • Acknowledgements •
The Sterling and Francine Clark Art Institute Mohamed Alali, CM Analysis 1: Implementation of MEP Prefabrication Williamstown, MA PRESENTATION OUTLINE Conclusion & Recommendation Project Background • Analysis 1: Implementation of • It is best to apply the analysis on the building to save time and • Congestion reduction. • MEP Prefabrication Conclusion & • money. Enhanced safety in the building footprint. • Recommendation “3.5” Critical path savings. • Analysis 2: BIM – Virtual • Mockup Total of $57,771 of cost savings. • Analysis 3: Precast Floor Planks • Analysis 4: Solar PV Panels • Electrical Breadth • Summary • Acknowledgements •
Analysis 2 BIM - Virtual Mockup
The Sterling and Francine Clark Art Institute Mohamed Alali, CM Analysis 2: BIM – Virtual Mockup Williamstown, MA PRESENTATION OUTLINE The Problem The Goal Project Background • Analysis 1: Implementation of BIM utilized only in 3D clash detection. • • Increase efficiency. • MEP Prefabrication More BIM uses can BIM used. • Add value to the owner and to the building. • Analysis 2: BIM – Virtual • Mockup Supporting the physical Mockup will be built. • Problem & Goal • Analysis 3: Precast Floor Planks • Analysis 4: Solar PV Panels • Electrical Breadth • Summary • Acknowledgements •
The Sterling and Francine Clark Art Institute Mohamed Alali, CM Analysis 2: BIM – Virtual Mockup Williamstown, MA PRESENTATION OUTLINE Initial Use of BIM How Can Virtual Mockup Help? Project Background • Analysis 1: Implementation of • 3D Clash detection. • Quantity take off. • MEP Prefabrication To coordinate complex MEP’s • Resolving design issues (Architect). • embedded in the matslab. Analysis 2: BIM – Virtual • Mockup Started on August 2011. • Aids any project’s system prefabrication (GC). • Initial Use • How Can VM Help? Minimizes RFI’s and COR’s. • • Analysis 3: Precast Floor Planks Building the project twice (GC & Subs). • • Opportunity for the owner to walkthrough virtually. Analysis 4: Solar PV Panels • • Electrical Breadth • Summary • Acknowledgements • Image courtesy of Google images.
The Sterling and Francine Clark Art Institute Mohamed Alali, CM Analysis 2: BIM – Virtual Mockup Williamstown, MA PRESENTATION OUTLINE Keep in Mind The Process Project Background • Analysis 1: Implementation of • Start in the early stages of the project. • Modeling software (AutoCAD 2012). • MEP Prefabrication Need to be developed though out the • Rendering software (3ds Max Design 2012). • project. Analysis 2: BIM – Virtual • Mockup Ability to manipulate. • Choose a section. • The Process • Determining what is in the section. • Analysis 3: Precast Floor Planks • Analysis 4: Solar PV Panels • Electrical Breadth • Summary • Acknowledgements • Image courtesy of Google images.
The Sterling and Francine Clark Art Institute Mohamed Alali, CM Analysis 2: BIM – Virtual Mockup Williamstown, MA Foreman Foreman Wage Interpretation Time PRESENTATION OUTLINE Feedback Cost Benefits Trade ($/Hr) Savings (2 Hrs) Project Background • Concrete $55.20 $110.40 Iron $83.08 $166.16 Analysis 1: Implementation of • Tagging and tracking. • Time it Professional to take 50% MEP Prefabrication Plumbing $75.72 $151.43 Future maintenance. • Professional took me to of the time Future renovations. • Glazing $54.43 $108.86 Task Analysis 2: BIM – Virtual • Wage ($/Hr) model Mockup Gypsum $66.18 $132.36 (Hrs.) Cost Benefits • (Hrs.) Boards Determining a Analysis 3: Precast Floor Planks • 1 $97 ½ $48.5 Gutter $83.08 $166.16 section to model Sheeting $66.18 $132.35 Analysis 4: Solar PV Panels • Determining Electrical Breadth • Metal Panels $83.08 $166.16 What is in the 8 $97 3 $291 Roofer $66.18 $132.35 Summary • section Wood $45.38 $90.76 Section Acknowledgements • 40 $97 15 $1,455 Flooring modeling Sealants $44.30 $88.60 Total 49 $97 18 ½ $1,795 WaterProofing $54.43 $108.86 Total $1,554.45
The Sterling and Francine Clark Art Institute Mohamed Alali, CM Analysis 2: BIM – Virtual Mockup Williamstown, MA PRESENTATION OUTLINE Conclusion & Recommendation Project Background • Analysis 1: Implementation of • Go with virtual mockup to fix issues in advance and better • Increased efficiency. • MEP Prefabrication experience the building. Increased coordination. • Analysis 2: BIM – Virtual • Mockup Will benefit the owner in future restaurant. • Less RFI’s and COR’s. • Conclusion & • Recommendation Very low cost, do both. • Better for future renovations and • Analysis 3: Precast Floor Planks • maintenance. Analysis 4: Solar PV Panels • Costs $240.55 • Electrical Breadth • Virtual Mockups has limitations. • Summary • Acknowledgements • Image courtesy of Google images.
Analysis 3 Precast Roof Planks
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