FORTÉ CREATING THE WORLD’S TALLEST CLT APARTMENT BUILDING © Lend Lease 2013
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FORTéCreating the world’s tallest Clt apartment building
© Lend Lease 2013
dICk dUsseLdORP, Lend Lease FOUndeR 1973
“ the time is not far off when companies will have to justify their worth to society, with greater emphasis being placed on environmental and societal impact than straight economics.”
The WORld’s TallesT TimbeR apaRTmenT building– a land mark innovative project by lend lease
– forté is another great example showcasing lend lease’s integrated business model with the project being conceived, designed, developed and constructed by lend lease.
– first Clt building in australia
– targeting first 5 star green star residential (as built)
– first lend lease australia project to incorporate pods
– High profile location
whaT Is CLT?
austrian spruce
whaT Is CLT?
– stable engineered product
– highly mechanised production process
– simplicity - basic assembly concepts
– scale - large panel dimensions that suit major commercial construction
– robust
CLT FROM a deVeLOPeRsPeRsPeCTIVeed prod
16m
3m
saFe
key beneFITs FROM OUR PeRsPeCTIVe
– reduced high risk work (eg work at heights). elimination of injuries associated with formwork and reinforcing
– better work environment with less dust, less vibration, noise and obstructions
– reduced impact of construction and disruption on local communities
– Fewer operatives on site and for a reduced period of time
sUsTaInabLe– Carbon neutral structural option – 1m³ of
timber stores 0.25t of carbon
– better thermal performance
– Generates zero waste
– reduces fresh water consumption
– enhances indoor environment Quality
– reduces the deliveries to site
key beneFITs FROM OUR PeRsPeCTIVe
x 90% Less
LIGhT weIGhT– 80% weight reduction
– less mass to support
– reduces foundations
– assists with poor ground conditions
– basic craneage
key beneFITs FROM OUR PeRsPeCTIVe
TIMe saVInGs & eFFICIenCIes– reduced preliminary & supervision costs
– savings in follow-on trades
– reduced holding costs for developer
– high precision quality
key beneFITs FROM OUR PeRsPeCTIVe
The ChaLLenGessome things developers aren’t fond of:
– products that are not used locally
– limited long term performance history
– making customers nervous
– solutions with added finance or insurance risk
– asking builders to change their habits
PReCedenT PROjeCTs
gROWTh OF clT usage in euROpe
Forté projEct uSEd 1,000m3 oF clt
0
100
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
200
300
400
500
600
700
800
,000 m3
gROWTh OF clT usage in euROpe
Forté projEct uSEd 1,000m3 oF clt
0
100
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
200
300
400
500
600
700
800
,000 m3
2006 - kInGsdaLe sChOOL
10 weeks Clt construction4 skilled labourers 1 supervisor
architect: drmm | Clt supplier & installer: Klh uK
2008 - sTadThaUs MURRay GROVe
9 weeks Clt construction4 skilled labourers 1 supervisor
architect: waugh thistleton | Clt supplier & installer: Klh uK
2010 - OPen aCadeMy nORwICh GROVe
16 weeks Clt construction8 skilled labourers 1 supervisor
architect: sheppard robson | Clt supplier & installer: Klh
FORTé
– Scale: 9 stories, 23 apartments
– build Period: start on site: February 2012 begin Clt installation: June 2012 Clt structure complete: aug 2012 practical completion: december 2012
– architect: lend lease
– CLT supplier: Klh
FORTé VICTORIa haRbOUR MeLbOURne
Vic
to
ria
Ha
rb
ou
r
No
rt
H W
Ha
rf
fo
rt
é
WHere it Started
aRChITeCTURaL sOLUTIOn
aRChITeCTURaL sOLUTIOn
aRChITeCTURaL sOLUTIOn
sTRUCTURaL sOLUTIOn
CLT
Concrete Frame and Transfer slab
Retail
ap
artm
ents
deep driven Piles
sTRUCTURaL sOLUTIOn
sTRUCTURaL sOLUTIOn
sTRUCTURaL sOLUTIOn
bUILdInG seRVICes
Lifts in a Timber shaft
– lifts in timber shaft previously achieved at murray grove. same contractor used for Forté
– standard lift doors and frames fitted to timber shaft with coach bolts
– Fire tests
MOdULaR baThROOMs
32.17mHiGH
485toNNeS of timber
759cLt PaNeLS
5 GreeN Star
tHe WorLd’S taLLeSt timber aPartmeNt buiLdiNG
exPected to be tHe firSt reSideNtiaL buiLdiNG to acHieVe tHiS
FORTé by The nUMbeRs
34,550ScreWS
5,500aNGLe bracketS
SaViNG1,451 toNNeS of carboN
SHiPPed iN
25coNtaiNerS
oN 2SHiPS
LeNd LeaSe aPPreNticeS uPSkiLLed iN NeW coNStructioN tecHNique
FORTé by The nUMbeRs
Klh Factory Koper slovenia suez canal shed at Victoria harbour – ll iKea
port melbourne – australian Customs
SHiPPiNG a buiLdiNG from euroPe to auStraLia
TyRanny OF dIsTanCe
ChaLLenGes
aUThORITy aPPROVaLs– planning entitlement
– building Codes
– structural Certification
– Fire protection of structural and services
bUILdInG COdes
codeS iN uk/euroPe aNd auStraLia
Uk/europe– building regulations: Clt is compliant– Codes of standard for design: eurocode 0 – basis of structural design eurocode 1 – actions on structures eurocode 5 – design of timber structures
australia– building Code of australia deemed to satisfy code does not consider a timber building above 3 stories– Codes of standard for design: as 1170 – structural design actions as 1720 – timber structures – design methods
Solution is therefore a fire engineered ‘Alternate solution’
FIRe PeRFORManCe technical
– highly predictable performance.
– layers char at 0.7mm / min.
– sacrificial layers and / or supplementary materials can be used.
– Forté uses a combination of protection and sacrificial.
FIRe PeRFORManCe OF CLT – FORTé (2012)
FIRe PeRFORManCe OF CLT – FORTé (2012)
aS1530 Part 4 (equivalent to bS 476 Part 21 determination of the fire resistance of loadbearing elements of construction)fr 90/90/90: 128mm wall panel with 13mm fire grade plasterboard direct fixedstructural adequacy integrity insulation
fr 90/90/90: 158mm wall panel - barestructural adequacy integrity insulation
fr 120/120/120: 146mm floor panel with 2 layers 16mm fire grade plasterboard direct fixedstructural adequacy integrity insulation
aCOUsTIC PeRFORManCe technical
– equal or higher than conventional concrete frame / masonry / plasterboard wall
– Focus on low frequency – need to add mass via floor build up
– australia has high code requirements
– lend lease has higher than code standards
dURabILITymoisture Protection
– rain screen facade
– moisture content should be around 12%.
– Controlled “by design”.
– Clt protected by sarking and cladding.
– Ventilation cavity draws heat away from the timber.
– moisture detector sensor rods strategically located within the Clt.
metal Cladding
Clt
plaster board
VeRMIn – whaT abOUT TeRMITes?
Vermin protection:
– Code requires timber structures to be protected from termites
– Clt structure sits on concrete podium for ground seperation
– physical termite barriers at perimeter and services penetrations (chemical free)
– annual inspection regime
desIGn PROCess & TeChnICaL deTaILInG
IT Is a dIFFeRenT desIGn / COnsTRUCTIOn PROCess
– all design completed up front– File to factory process– 3d modelling in auto-Cad– installation sequencing, crane calculations – minimises waste, reduces onsite decision
making and errors
whOLe bUILdInG PROTOTyPe ObjeCTIVes:
– Create a market facing product
– achieve 5 star green star (as built)
– achieve authority approvals
– resolve technical detailing
– achieve a fit-for-purpose product
– demonstrate Clt as viable alternative
– Constructibility – impact on design process – impact on other building tasks
– a base case to leverage step change improvements in future Clt projects
sUMMaRy LessOns
– whaT dOes OUR R&d TeLL Us ThUs FaR?
– design experience
– procurement
– Construction experience
– industry relations
– Consumer market reactions
FORTé sUCCess FaCTORs
– proven speed
– Clean and safe
– robust, high quality result
– potential to be cost competitive
– Contractors love it
– bankers and insurers get it
– Customers are
not afraid of it
The FUTURe
dock Square Library, meLbourNe
dock Square Library, meLbourNe
“If the 19th century was the century of steel, & the 20th the century of concrete, then the 21st century is about engineered timber”
alex de rijke, director of drmm
www.forteliving.com.au
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