Innovative Prefabricated Building Systems

Giving it a go

1

The challenge for the wood industryindustry

Trend in wood volume per unit of floor area (1945 2008)Trend in wood volume per unit of floor area (1945-2008)

0 30

0.35

0.20

0.25

0.30

m3 ) p

er m

2

0.10

0.15

Volu

me

(m NSW

VICQLD

WA

0.00

0.05

1945 1955 1965 1975 1985 1995 2005

V WA

SA

TAS

Source: Greve & Diem, 1984, 1985; Jones & Juniper, 1982; McGregor Envir. Services, 2000; C&D Recycling, 2006; Sustainability Victoria, 1999, 2000; Cuffley, 1993; etc

2

The challenge for the housing industryindustry

• Housing Lead Times; Approval to Completion– 53% of private dwellings take 9 months to p g

complete. – 31% of private dwellings will take up to 18

months to complete.

Source: BIS Shrapnel, Building in Australia 2008

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The challenge for the consumer!consumer!

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The direction we are heading

Multi-unit Approvals

Share of Multi-unit starts could reach 43-47% by 2020

Multi unit Approvals

34.00%

36.00%

2020

30.00%

32.00%

tal)

24 00%

26.00%

28.00%

(% o

f to

20.00%

22.00%

24.00%31

/08/

1985

31/0

8/19

8631

/08/

1987

31/0

8/19

8831

/08/

1989

31/0

8/19

9031

/08/

1991

31/0

8/19

9231

/08/

1993

31/0

8/19

9431

/08/

1995

31/0

8/19

9631

/08/

1997

31/0

8/19

9831

/08/

1999

31/0

8/20

0031

/08/

2001

31/0

8/20

0231

/08/

2003

31/0

8/20

0431

/08/

2005

31/0

8/20

0631

/08/

2007

31/0

8/20

08

5

Alternative building systemsHow to build faster and at lower cost – in wood

Building Systems

SingleDwellings

Multi -Residential

Schools/Offices/Industrial buildings. Class 3, 9

L l 1 2 1 2 3 3 2 2 2Levels 1-2 1-2 ≤3 ≤3 ≤2 ≤2 ≤2

$ Value Low High Low High medium High High

Timber Frame/SubTimber Frame/Sub floorPanelized Building Systems

Moment ResistantFrames (STIC)

Composite systemsComposite systems

DTS provisions

Requires an alternative solution that exists

Requires and alternative solution but no commercial solution

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The cost of this house in NT is $450K

7

Our Prefabricated Concepts

Final_A[1].mov

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Our flat pack panelised building system

Building Type Floor Area m2 Estimated costs1 B d 65 $155 000

system

1 Bedroom 65 $155,0002 Bedroom 86 $185,0003 Bedroom 119 $245,000

Budget includes:Floor, wall and roof panel & truss systemWindows doors fit-outWindows, doors, fit outSite labourElectrical and Plumbing subcontractingBuilders preliminaries and marginp gFreight estimated at $10K

9

10

The components

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3 days to lock up

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Where to Next?Where to Next?

13

Equipment to frame and sheath panels is standardpanels is standard

14

Panelised Floor SystemsSystems

Floor Stiffness •T-section SSP shows an increase of about 30%.

•Box-section SSP displays an increase of about 75%Box section SSP displays an increase of about 75%

•Reference, Christophe Gerber, Investigation of the ultimate behaviours and FEA of wood stressed-skin panels, Faculty of Engineering, UTS 15

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The floor panelThe floor panel

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Panelised Building System –1. Suitable for industrial scale prefabrication at F&T plants

2. Integrated building system

3 Suitable for high set or slab on ground construction3. Suitable for high set or slab on ground construction.

4. Flat pack panels suitable for construction in remote areas where transport and skills are costly

5. Suitable for sloped sites, multi-storey & commercial buildings

6. Light weight, safe and easy to install

7. Improves onsite OH&S, quality and speed of construction.

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3 day build

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