Tata Steel Slide Building Envelpe sector presentation Jan 14th 2014 1 KIVI congres

Circular Economy key to a sustainable Future

Together we make the difference

Bauke Bonnema (Tata Steel)

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1 Introduction

2 LCA steel

3

Case Studies

4

Conclusions

2 KIVI congres

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Society is gearing up to a new economic operating model

Source image: European Commission, Towards a circular economy (2014)

KIVI congres

Tata Steel Slide

Drivers Circular Economy

• Impact growth population + increase wealth

• Depletion raw materials

• Environmental impact mining

• Impact carbon based energy

• Increase building and demolition waste

• EU position critical materials

• Economic advantages: TNO: EU 7.3 billion/yr, Rabo : NL 83.000 extra jobs

KIVI

congres

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EU Policies

KIVI congres 5

EU Circular Economy Package (dec 2015) …

2011

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Rijksbreed programma Circulaire Economie: Nederland circulair in 2050

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• In 2030: 50% minder gebruik primaire grondstoffen

• Samenwerking; keten/sector aanpak

• Vijf transitiepaden: Biomassa/voedsel; bouw;

kunststoffen; maakindustrie; consumptiegoederen

Grondstoffen- en Materiaalgebruik in huidige situatie

Efficiënte inzet o.a. verminderen en langere levensduur

Duurzame inzet o.a. Hernieuwbaar, alg. beschikbaar

Herbruikbare inzet o.a. Circulair ontwerpen en recycling

0. Nul situatie 1. Efficiënte inzet 2. Duurzame inzet 3. Herbruikbare inzet

Tata Steel Slide KIVI congres 7

Circulair Economy Strategies

Tata Steel Slide

Construction is priority area for circular economy

Input:

• 40% of material use

• 50% CO2 emissions

• 20% water use

• 25% all transport

End of Life:

• Construction & demolition waste : 35% all waste

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Source: Future Steel Conference Johannesburg

KIVI congres

Tata Steel Slide 9

Construction & demolition waste (NL)

• 24 mio ton/year

• 90% stone/concrete

-> dust, noise

-> 2 mio truckloads

Source: eindrapport hoogwaardig hergebruik steenachtige materialen /Agentschap NL 2010

97%

1%

2%

Loss

Lowgrade

road base/fill

Downcyling

Concrete

granulate

(Downcycling)

KIVI congres

Tata Steel Slide

Circular Economy: end of life construction materials

Source: BCSA. Data generated from TRADA/BCSA/WRAP analysis

Re-use ~ 1 %

Recycle granulate: 1-5%

Downcycle/Landfill : ~ 95-98%

1-5% recycling

Re-use 10 %

Recycle : incineration/

Downcycle/landfill : ~ 90%

~ 10% re-use

Reuse : 5 - 40%

Recycle : balance

Landfill: 0 %

100 % re-use +

recycling

KIVI congres 10

Tata Steel Slide KIVI congres 11

Re-use

steel beams

Recycling

steel scrap

Adaptable

floor spaces

Lightweight

construction

Scrap based

steel production

Steel products Demountability

Steel in de circular economy

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1 Introduction

2 LCA steel

3

Case Studies

4

Conclusions

12 KIVI congres

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KIVI congres 13

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Steel production : Step change ULCOS -> HIsarna project

Iron ore

Coal

Cokes

Sinter and

Pellet

Liquid iron

Blast furnace

20% CO2 reduction

80% CO2 reduction in combination with

Carbon Capture & Storage (CCS + CCU)

HIsarna

KIVI congres 14

Tata Steel Slide

Increase renewable energy TSIJ

KIVI congres 15

22MW PV project ~ 80.000 solar panels

Development wind energy

Tata Steel Slide

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High Strength Steel developments

Material Development : High Strength Steel -> less

steel -> CO2 reduction:

- Structure: max 30% CO2 reduction

- Composite floor decks 20% reduction

Moreover: lighter material ->

- Reduction transport CO2

- Reduction foundation

Celsius® 420

KIVI congres 16

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KIVI congres 17

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IN Use phase: Energy collection Steel integrated PV and thermal collector

Cladding integrated energy generation:

Tata Transpired Solar Collector

Kalzip AluPlusSolar

18 KIVI congres

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Energy reduction: ComFlor® Active composite floor decking

Low temp heating/high temp cooling

Fast reaction time

Less energy transmission losses

Option to use renewable energy /

Ground source heat/coolness

KIVI congres 19

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KIVI congres 20

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Circular economy: Recycling, downcycling , upcycling

Keep materials in the cycle

(EU: launch : Roadmap resource efficient EU+ circular economy package Dec 2015)

Avoid downcycling !!

Strive for upcycling !!

21 KIVI congres

Tata Steel Slide

- Re-cladding

- Upgrade

services

loss:

<1%

Re-use

Building

Same quality

Beams 10-50%

Cladding: 5-30%

Remelt Higher quality “Upcycling”

Steel in circular economy

Re-use

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Source: MRPI NL

KIVI congres

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2 LCA steel

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Conclusions

23 KIVI congres

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Demountable /Re-usable Steel Structures

24 KIVI congres

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Crystal Palace, Hyde Park 1851-1854

KIVI congres 25

Tata Steel Slide

Re Use: Crystal Palace, Sydenham 1854-1936

26 KIVI congres

Tata Steel Slide

2015

20XX

1942

1958

Circular Economy

KIVI congres

Bus Terminal Schiphol

27

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Bruggen bouw : Circulair : Cobouw 17 oct 2017

KIVI congres 28

Source: Cobouw 17 october 2017

Ontwerp Consortium: circulair “doorschuifbrug”

• Hollandia

• Mammoet

• Expericon

• IV-groep

• Keizersveerbruggen in de A27

• bruggen Rhenen over de Lek

Keizersveerbrug

Spijkernisse brug

Brienenoord brug 2020?

Moerdijk brug 1978

Minimaal materiaal gebruik

Minimaal verkeershinder

Tata Steel Slide

Design for demountability: Distribution center, Schiphol Airport 100% circular design:

Steelframe : bolted connections

Cladding :screwed connections

Precast flooring not structurally connected to steel frame

-> 100% demountable + re-use- able

Moreover further facilitate re-use:

Modular dimensions

Material passport for future re-use

29 KIVI congres

Tata Steel Slide 30

Rechtbank Amsterdam demontabel bouwen

Demountable Courthouse Amsterdam

100% circular design:

Steelframe : bolted connections

flooring: demountable connection

-> 100% demountable + re-use- able

Lease model : Contractor retains ownership

• Movie:

tijdelijke rechtbank.mp4

KIVI congres

Tata Steel Slide

Temporary Parking Leiden

31

Tata Steel Slide

Temporary Parking Leiden

32

Tata Steel Slide

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1 Introduction

2 LCA steel

3

Case Studies

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Conclusions

33 KIVI congres

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Circularity @ 2% recycling ? “Greenwashing” ?? :

Re-use granulate max 55 kg/m3

Concrete = 2400 kg/m3

55 kg/2400 kg = 2% !!!

Source: Cobouw 9 nov 2016 /mei 2017

KIVI congres 34

Tata Steel Slide

Conclusions:

Development of low carbon buildings and associated

reduction in energy/material consumption is one of the

biggest challenges currently facing the construction

industry.

Circular economy principles provides solutions for

material and energy reduction.

Steel is the perfect material for a circular economy: Light weight -> transport/ foundation saving

Durable/flexible/adaptable-> long functional life of building

Only building material with significant proven re-use and option for

upcycling

Innovations provides opportunities to further enhance

sustainability of buildings. Design for deconstruction (multi materials), including traceability

(material passports)

New business opportunities: Construction supply chain for re-use,

lease

Energy generation (Thermal /Electrical – PV)

Development high strength steel

35 KIVI congres

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