industrialized construction - stanford university · • large-scale housing projects •...
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IndustrializedConstruction
- The progress in Sweden
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Jerker Lessing
• Adjunct Professor Stanford University
• Director of R&D at BoKlok (Skanska + IKEA)
• PhD from Lund University, Industrialized Construction
• Backgound: Structural engineer, Logistics Consultant, Advisorto building companies
• Worked with IC for 20 years
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Industrialized Construction in history
• Single-family houses follow a long industrial trend
• 80 % are built with IC methods, using wood frame technology (since 1920s)
• Links to the timber industry
• 10-15 companies dominate
• From extremely standardized to custom-built
• 25.000 houses annually
• Largest companies build 1500 houses per year
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Industrialized Construction in history
• Extensive development during 1960’s
• Focus: Prefabrication and Building Technology
• Large-scale housing projects
• Dominating productionparadigm: Mass production
• Scarce customer focus!
• When the market went down, IC was abandoned
-For a while…
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Recent development: early 2000’s
• Strong focus on Industrialized Construction –multi-family buildings
• All major construction firms launchedprograms and several built factories
• Also small & medium companies wereestablished (specialized)
• New understanding of IC
• Academic research supported the industrydevelopment
• Complex production systems
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• BoKlok
• Open House
• Ljuva Livet
• Martinssons Byggsystem
• Moelven Byggmodul
• NCC Komplett
• Vida Building Systems
• A-betong
• Veidekke Max
• Trivselhus
• Eksjöhus
• Moelven Trä8
• Folkhem
• Peab PGS
• Skanska ModernaHus
• Lindbäcks Bygg
• NCC P303
• Kärnhem
• Derome
• Setra/Plusshus
• BAU-HOW
• Skanska X-Change
• NCC TekniskaPlattformar
• JM
• Masonite MFB
• Part Construction
• Hjältevadshus
• Götenehus
• Rikshem
• Strängbetong
• SkandinaviskaByggelement
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• BoKlok
• Open House
• Ljuva Livet
• Martinssons Byggsystem
• Moelven Byggmodul
• NCC Komplett
• Vida Building Systems
• A-betong
• Veidekke Max
• Trivselhus
• Eksjöhus
• Moelven Trä8
• Folkhem
• Peab PGS
• Skanska ModernaHus
• Lindbäcks Bygg
• NCC P303
• Kärnhem
• Derome
• Setra/Plusshus
• BAU-HOW
• Skanska X-Change
• NCC TekniskaPlattformar
• JM
• Masonite MFB
• Part Construction
• Hjältevadshus
• Götenehus
• Rikshem
• Strängbetong
• SkandinaviskaByggelement
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What have we learned?
• IC is complex and takes time
• Require new business models and strategies
• Specialization is crucial
• Balance investments and market volume
• Integrate product- and production systems
• Use customer needs as starting point
• Platforms offer a structure for design and technicalsolutions
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Two platform strategies dominate
1. Generic Platforms for increased efficiency
The company’s performance is improved
Technical solutions structured in platforms
Process support: BIM, Logistics, Planning
Increased use of prefabrication
Traditional contracting offering
2. New concepts are offered the market
Product offering companies
Complete customer offers
Specialization in defined product ranges
Optimized production systems
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THE LAST 2 YEARS:- ACCELERATED DEVELOPMENT
• Platform based construction – Concepts for unique projects
• Product and concept offerings – Module factory production
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Generic platform development
• Big investments in Cross Laminated Timber
• New actors enter the industry
• Developed by timber companies
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What does this give us?
• Interesting alternative to concrete
• New actors can leverage on these platforms
• “Chassis” to create product concepts on
• Structural solutions for higher buildings
Picture: Folkhem, Cederhusen
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PRODUCT PLATFORMS AND COMPLETE CUSTOMEROFFERS
• Big investments in Module factories
• Both new and existing factories
• Specialized companies
• Investments done after years of trying the concepts on the market
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20% of multi-family building are built with IC-methods
More potential left
We have unique knowledge and experience
Sustainable and energy efficient solutions
BUT: Only focusing on Sweden - one of the smallest markets in the world…
I think we should start expand our market!
Excellent opportunities
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Study trip to Sweden
Ideas are born when people meet!
-We are planning a study trip to Sweden