08/05/2010 © ngs 2006 title 1 mmc modernmmc modern...

www.greenspec.co.uk

08/05/2010 © NGS 2006 Title 1

1www.capem.eu

MMC ModernMMC Modern M th d fMethods of

Construction

www.greenspec.co.uk

08/05/2010 © NGS 2006 Title 1

1www.capem.euDefinition

• ‘a broad range of processes that aim to d b tt lit h iproduce more, better quality homes in

less time.

• The definition is categorised in terms of products:products:

• Panellised, volumetric, hybrid and other th dmethods,

• and may involve off site manufacturing.’2

and may involve off site manufacturing.

• NAO (National Audit Office)

Offsite Configurations:

• Volumetric, – Modular

• Domestic: parts of flats or housesM t l B d b th id b th b d• Motels: Bedroom bath corridor bath bedroom

– Podular• Bathorooms• Bathorooms• Kitchens• Plant roomsPlant rooms

• Panellised: Walls, floors, roofs,• Turn key solutions• Turn key solutions

– Fast food chains: Complete fit out at factory 3

www.greenspec.co.uk

08/05/2010 © NGS 2006 Title 1

1www.capem.euOpportunities:

• Off-site factory production

• On-site in factory conditions

• Waste minimisation in factory, no site waste

• No surpluses delivered to site, used in f tfactory

• Packaging minimisationPackaging minimisation

• Efficient site work09/05/2010 © NGS 2007-2010 MMC 4

Lean Construction

• Aim to minimise waste in all its forms– Management time

Labour time– Labour time

• Factory production can exploit this wellFactory production can exploit this well

09/05/2010 5© NGS 2007-2010 MMC

www.greenspec.co.uk

08/05/2010 © NGS 2006 Title 1

1www.capem.euLean Gone Wrong

• But lean is being misinterpreted and going wrong, seriously wrong– MasonryMasonry

– Wiring

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www.greenspec.co.ukDesign Issues:08/05/2010 © NGS 2006 Title 1

1www.capem.eu

Design Issues: Factory ProductionFactory Production

• Created to standard/design sizes– Ignore site reality

– Base inaccurate setting out?Base inaccurate setting out?

• Site/Factory tolerances– sometimes things go wrong

• Site operative idea of tolerances don’t• Site operative idea of tolerances don t match factory

• Wasted on site if wrong size09/05/2010 © NGS 2007-2010 MMC 7

www.greenspec.co.ukDesign Issues:08/05/2010 © NGS 2006 Title 1

1www.capem.eu

Design Issues:Site productionSite production

• Create site factory under canvas

• When offered up, if wrong size, rework and reinstalland reinstall

• Potentially less wastey

09/05/2010 © NGS 2007-2010 MMC 8

www.greenspec.co.uk

08/05/2010 © NGS 2006 Title 1

1www.capem.euDesign Issues: Insulation

• Rarely have any thermal mass or d t d ldecrement delay

• Use thin high embodied carbon andUse thin high embodied carbon and embodied energy insulating materials

G b t it ? H t l• Gaps between units? Heat loss

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www.greenspec.co.uk

08/05/2010 © NGS 2006 Title 1

1www.capem.euDesign Issues: Installation

• Big strong operatives may damage f il tfragile parts

• Site operative idea of tolerances don’tSite operative idea of tolerances don t match factory

W t d it if i• Wasted on site if wrong size

• ‘Helping hand’ supports permitHelping hand supports permit adjustment– Potentially one man operation– Potentially one man operation

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www.greenspec.co.uk

08/05/2010 © NGS 2006 Title 1

1www.capem.euProcurement:

• High % of Costs: are in the Modules

• Low % of Costs: Site works

Profits for attendance and preliminaries• Profits for attendance and preliminaries by Main Contractor if % become large

• Site Works Contractor/Operatives may become a subcontractor of the Modularbecome a subcontractor of the Modularmanufacturer– More control over site setting out and– More control over site setting out and

tolerances09/05/2010 11

www.greenspec.co.uk

08/05/2010 © NGS 2006 Title 1

1www.capem.euSite Preparation:

• Similar to Normal sites

• All services in and wastes out

• Landscape: Hard, soft and wet

• May include reclaim and reuse of water• May include reclaim and reuse of water

• May include permeable pavementMay include permeable pavement

• Bases for MMC need to be accurate

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www.greenspec.co.uk

08/05/2010 © NGS 2006 Title 1

1www.capem.euLogistics Issues

• Volumetric: – Transporting lots of fresh air

Avoided by panellised– Avoided by panellised

• Just in time deliveryJust in time delivery– Needs buffer park-up place near site

• Road closuresExpensive crane hire– Expensive crane hire

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Issues

14

GMV Greenwich Millennium Village Phase 2b4 storey concrete framed and metal framed panel infill © NGS

15

PrefabricatedPrefabricated lpanel

constructionconstruction

Metal Stud External Walls

Metal C Studs, Thermal Insulation, Breather Membrane, inner lining, Vapour Barrier, outer lining

Thermal bridging with metal studs is significant17

Greenwich Millennium VillageGreenwich Millennium Village Phase 2a

• Egan initiative implemented:

Phase 2a

prefabrication off-site, simple assembly on site,y ,reduction of site wasteof site waste

• later on-sitefactory-production

18

Metal frame walls

• Balloon frame Platform Frame

19

Restraint

Concrete Frame RestraintRestraint

Infill panels

Curtain wallSupport

RestraintRestraint

SupportSupport 20

Factory Prefabrication:

• Conditions ensure no deterioration

• No mud or cement splashes

• No rain to spoil

• Use of all the materials supplied• Use of all the materials supplied

• Reusing until all is goneReusing until all is gone

• Virtually no waste

09/05/2010 21© NGS 2007-2010 MMC

Strength v U Value in external wall

Avoid over design of structure around openingsg p gAvoid lack of design: adding additional studs for luckAvoid creating wide cold bridges through insulation

A id W t h i th l i l ti llAvoid Waste: chopping thermal insulation rolls09/05/2010 22© NGS 2007-2010 MMC

Compound Studs ‘I Studs’ to accommodate more thermal insulationaccommodate more thermal insulation

Compound section reduces amount of materials used weight cold bridgingmaterials used, weight, cold-bridging

09/05/2010 23© NGS 2007-2010 MMC

MMC ModernMMC Modern M th d fMethods of

ConstructionOpaque Timber WallsTimber Constructions

Compound Studs ‘I Studs’, inner and outer boards and thermal insulationouter boards and thermal insulation

Prefabricated external wall panelPrefabricated external wall panel25

Compound studs ‘I studs’, inner and outer boards and thermal insulationouter boards and thermal insulation

Prefabricated external wall panelsPrefabricated external wall panels26

Insulated structural Panels

Roof panels create

Habitable Roof Space

Platform FramePlatform Frame

27

Ladders: See L30/110A, L30/112C, L30/113D, L30/114E, L30/115F.

1

www.greenspec.co.uk

www.capem.eu15/04/2010 © NGS 2006 Title 1

Airtightness &Airtightness & Building ElementsBuilding Elements

12 of 25 Air Movement in Buildings

Another GreenSpec CPD to download soon 28

SIP Structural Insulated Panel

Prefabricated external wall panelPrefabricated external wall panel29

SIP Structural Insulated Panel

Prefabricated external wall panelPrefabricated external wall panel30

Structural Insulated Panels

Roof panels create

Habitable Roof Space

Platform FramePlatform Frame

31

Load bearing CrossLoad-bearing Cross L i t d Ti bLaminated Timber Panel walls (CLTP)( )

Opaque Timber WallsTimber Constructions

Load-bearing Structural Cross Laminated Timber PanelLaminated Timber Panel

Prefabricated external wall panelpsoftwood lamina or plywood core option33

Cross Laminated Timber Panelsshear walls floors and roofs

34

Cross Laminated Timber Panelsshear walls floors and roofs

35

Cross Laminated Timber PanelCross Laminated Timber Panelshear walls floors and roofs

36

Cross Laminated timber Panels

Roof panels create

Habitable Roof Space

Platform FramePlatform Frame

37

Load-bearing oad bearingTimber blockworkTimber blockwork

Opaque Timber WallsTimber Constructions

STEKOLoad bearing timber blockworkLoad-bearing timber blockworkConstruction Resources Showrooms Southwark London

39

STEKOSTEKO

Load-bearing timber blockwork40

www.greenspec.co.uk

08/05/2010 © NGS 2006 Title 1

1www.capem.eu

Off SitOff-Site

Mtech Group

• Showcasing:– componentscomponents

– assemblies

– framing systems

– volumetric modular units

• round-up of latest technologiesp g

• setting a radical vision for the way offsite construction might be delivered in the next few years.

42

Mtech’s MD Darren Richards

• "In the same way that the industrial revolution provided new and vastly improved materials notably:provided new and vastly improved materials, notably:

• steel, glass and concrete

• the current digital revolution is offering new methods of design and construction within offsite technology,“

• "Emerging processes utilising CAD, CAM and even on-line designs could set a new precedent for the construction industryconstruction industry

• with the potential for the end-user to have much greater input into the final designs.“

09/05/2010 © NGS 2007-2010 MMC 43

greater input into the final designs.

Offsite Prefabrication

• new design processes, innovations in:– Foundations

– Basement

– timber frame

t t h l– concrete technology;

– Structural Insulated Panel Systems (SIPs)

– light steel framinglight steel framing

– fast-track cladding

– panelised roofing systems

• Bathroom and kitchen pod technology will also continue to have a strong presence

with the emphasis on new applications and hybrid solutions• with the emphasis on new applications and hybrid solutions44

'Spotlight on Offsite'

• Mtech's Technical Guided Tours,

• Meet the Client sessions

Offsite Masterclass seminars• Offsite Masterclass seminars

• Contact Loretta Sales

• Tel: 020 8870 8794

• Email: lorettasales@tiscali.co.uk

• www interbuild com45

• www.interbuild.com

Offsite Construction AwardsOffsite Construction Awards (OSC)(OSC)

• call for entries

• www.oscmagazine.com

09/05/2010 © NGS 2007-2010 MMC 46

www.greenspec.co.uk

08/05/2010 © NGS 2006 Title 1

1www.capem.euAdvisory

• Mtech Group Limited, Maple House, The Professional Quarter, Shrewsbury Business Park, Shrewsbury, SY2 6LG, y,

• Tel 01743 282280

• Fax 01743 357367

h• www.mtech-group.com

09/05/2010 © NGS 2007-2010 MMC 47

www.greenspec.co.uk

08/05/2010 © NGS 2006 Title 1

1www.capem.euTechnical talks

• Mtech group next offsite event

• www.technicaltalk.co.uk

09/05/2010 © NGS 2007-2010 MMC 48

www.greenspec.co.uk

08/05/2010 © NGS 2006 Title 1

1www.capem.euOffsite Directory

• The 2008/9 Offsite Directory

• Mtech Consult and Building magazine• Mtech Consult and Building magazine

• the most comprehensive reference listing of offsite manufacturers available in the UK.

• over 650 offsite manufacturing, service and consultancy companies

• Categorized by area of expertise

• industry reports and editorial insights

• expert opinion on key issues affecting the off-site sector

• sustainability and regulatory compliance Since 2004y g y p

09/05/2010 © NGS 2007-2010 MMC 49

www.greenspec.co.uk

08/05/2010 © NGS 2006 Title 1

1www.capem.euOffsite Directory

• acknowledged as the essential independent reference guide for offsite construction

• Offsite Directory for FREE

• Post & Packaging £5

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www.greenspec.co.uk

08/05/2010 © NGS 2006 Title 1

1www.capem.euContact

• Rhonda Farr

• rhonda.farr@mtech-consult.com

• 01743 357377

• Mtech Consult• Mtech Consult

09/05/2010 © NGS 2007-2010 MMC 51

www.offsiteonline.co.uk 2010

• 1st anniversary of going live,

• an outstanding success

• brought awareness of the diverse gcompanies who can supply the offsite sector,

• others may be interested in adding their company to the directory as a potential p y y psupplier and be noticed by decision makers,

• visit the website at to check your suitability.

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www.greenspec.co.uk

08/05/2010 © NGS 2006 Title 1

1www.capem.eu

• Offsiteonline was developed as a result of:

• Pressure by specifiers and contractors• Pressure by specifiers and contractors

• to deliver information on the capabilities pof manufacturers and suppliers to the offsite industryoffsite industry,

• so the more information provided the pgreater opportunity to be found by companies that need product.

09/05/2010 © NGS 2007-2010 MMC 53

www.greenspec.co.uk

08/05/2010 © NGS 2006 Title 1

1www.capem.euBuilding Magazine

• planned major advertising campaign– June and July 2010

li di t ill f t B ildi• online directory will feature on Building Magazines website

• >1 million hits/month

• targeting specifiers, major contractors, architects and procurement managersarchitects and procurement managers

• media advertising, e-mail shots and 09/05/2010 © NGS 2007-2010 MMC 54

www.greenspec.co.uk

08/05/2010 © NGS 2006 Title 1

1www.capem.euYour opportunity

• add your company before this campaign begins– go to the register your company link on thego to the register your company link on the

Offsiteonline home page or call

• upgrade entry – Full and Enhanced entries availableFull and Enhanced entries available

– book your upgrade early.

09/05/2010 © NGS 2007-2010 MMC 55

www.greenspec.co.uk

08/05/2010 © NGS 2006 Title 1

1www.capem.euContact

• Susie Bell

• Sales and Marketing

• DDI: 01743 276041

09/05/2010 © NGS 2007-2010 MMC 56