The Alliance for Sustainable Building Products - Gary ......Old building Deconstruction Design...
Transcript of The Alliance for Sustainable Building Products - Gary ......Old building Deconstruction Design...
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!!!
!!!!!!!!!!!
Overcoming+the+barriers+to++steel+reuse+within+construc4on+
Gary!Newman!!Execu/ve!Chair!Alliance!for!Sustainable!Building!Products!
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Why!Steel!as!a!material?!!• Primary!construc/on!resource!• High!embodied!carbon!• Surge!in!supply!• Inherently!durable!for!reuse!• Reuse!lessons!will!apply!to!
other!materials!!
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Why!reuse!steel?!!What!are!the!benefits?!
• Reuse!should!offer!capital!cost!savings!• Reused!steel!has!4%!of!the!embodied!impact!of!new!steel!(BRE!2002)!
• Reuse!avoids!energy!intensive!recycling!• Social!value;!jobs,!skills,!keeping!material!flows!local!
• Enabling!the!circular!economy!
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What!are!the!barriers?!• Cost!(deconstruc/on,!shotSblas/ng,!reScer/fica/on,!fabrica/on)!
• Availability!and!storage!!• Lack!of!client!demand!or!nega/ve!client!percep/ons!
• Quality!assurance!and!traceability!• Lack!of!supply!chain!integra/on!
DensleySTingley!et!al!(in!press)!
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Two!current!Innovate!UK!projects!to!overcome!these!barriers!
ASBP!lead:!!Circular+Economy+Business+Models+Reuse!of!Structural!Steel!within!Construc/on!!SCI!lead:!!Supply+Chain+Integra4on+Suppor/ng!the!supply!chain!for!steel!reuse!
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Jonathan Cullen [email protected]
Resource 2016 ExCeL, London
9 March 2016"
Steel reuse in construction
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Reconfiguring the supply chain
Old building
Deconstruction
Design
Recondition/Certi!cation
Fabricate
Construction
New building
Identify source building
Strip building anddeconstruct frame
Design around availablestock to minimize overuse
Clean, remove !xings;coupon (or other) test;negotiate insurance
Cut and weld
As normal
Share messages
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Car dismantlers break up damaged or old vehicles "to resell components as low price spare parts. Scalable business, internet to reach a larger market, no steel certification or quality guarantee, niche for heritage cars
Rail track is regularly reused by: "1) swapping over left and right rails to avoid wear on the inside edge"2) cascading main-line tracks to secondary lines with less traffic. Requires ultrasound testing, cutting and welding
Half the world’s retired ships are beached and manually dismantled on the shore at Alang, India. Steel plate is routinely cut from the ship and later heated and rerolled into reinforcing bar for construction. Unregulated industry, poor quality rebar, no steel certification
James Dunkerley Steel: 3,000 t/yr of used steel beams (20% of stock). Portal Power: 2,000 t/yr of refurbished portal frame buildings. Small scale unregulated industry (UK=~800kt/yr), no testing or certification, pay premium for quality discarded steel, very profitable
Examples of steel reuse
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Potential for reuse in construction
Steel use in UK construction and reuse potential
UK demand for steel "in construction grew
rapidly from 1950 onwards, and scrap supply lags about 50
years behind demand, meaning steel is now
available for reuse
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A potentially profitable business …
0
200
400
600
800
£perpertonne
STEELPRICES2001- 2016(Dataobtained15-22/01/2016)
UKOAplateandgirderscrap£/t- letsrecycle.com
UKdomesticOA(plate&structural)scrap- Del.mill,£/t- www.steelbb.com
LongProducts/Mediumsections/Europedomesticdelivered£/t- www.steelbb.com
UK Steel prices (2001 to 2016) The cost-margin
between new and scrap steel ranges from £200 to £400. "
Steel reuse is profitable if the cost"
of recovering structural steel is below this margin
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And yet …
Reuse rates for construction steel in the UK are abysmally low
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What is the practical and economic feasibility of an
on-line information portal matching supply and
demand of reused steel to stimulate this market?
Collaboration between academic and industrial partners
1 Nov 2015 – 31 Aug 2016
Part of the Supply Chain Integration in Construction funded by Innovate UK (Technology Strategy Board)
Supply chain integration for structural steel reuse
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Small-scale local reuse Reuse happens when the buyer and seller "
can easily communicate, or are the same entity
Buyer wants reused steel "
for new building
Seller wants to sell a
property or building
Current picture
Design with reused sections in mind
Fabricator frames incorporate "
reused steel sections
Designer (engineer /architect)"
designs building
Reused steel sourced directly
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Full-scale reuse market�Steel stockist holds certified reused steel"
Clients / designers not part of decision-making
Client�wants reused steel "
for new building
Developer�wants to sell a
property or building
Long-term objective
Generic design for "new or reused steel
Fabricator�frames incorporate "
reused steel sections
Designer�(engineer /architect)"
designs building
Shows interest "in reused steel
Stockist�holds new and"
cretified reused steel
Demolition contractor�deconstructs
building to recover steel
Sees value in extracting steel from
building
delivers reused steel to stockist
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Full-scale reuse market�Steel stockist holds certified reused steel"
Clients / designers not part of decision-making
Supply—demand website�Linking demand and supply for reuse steel "Regular updates of quantities and timing
Client�wants reused steel "
for new building
Developer�wants to sell a
property or building
Proposed interim solution
Generic design for "new or reused steel
Fabricator�frames incorporate "
reused steel sections
Designer�(engineer /architect)"
designs building
Shows interest "in reused steel
Stockist�holds new and"
cretified reused steel
Demolition contractor�deconstructs
building to recover steel
Sees value in extracting steel from
building
delivers reused steel to stockist
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We’d like to hear your thoughts on structural steel reuse…
www.surveymonkey.co.uk/r/36DJFYK
National Federation of Demolition ContractorsThe voice of the UK Demolition Industry
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Supply chain integration for structural steel reuse
Michael Sansom
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Steel’s current credentials
Steel recycling ! Infinitely recycled (multicycled) ! 100% recyclable ! No loss of properties ! Economic value ensures
recovery ! Global infrastructure for scrap
steel ! Certain products also reusable
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Steel construction products
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Many reusable steel systems
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Reuse and recycling rates
Product+ % Reused+ % Recycled+ % Lost+
Heavy structural sections/tubes! 7! 93! 0!
Rebar (in concrete superstructures)! 0! 98! 2!
Rebar (in concrete sub-structure or foundations)! 2! 95! 2!
Steel piles (sheet and bearing)! 15! 71! 14!
Light structural steel! 5! 93! 2!
Profile steel cladding (roof/facade)! 10! 89! 1!
Internal light steel (e.g. plaster profiles, door frames)! 0! 94! 6!
Other (e.g. stainless steel)! 4! 95! 1!
Average (across all products)+ 5+ 91+ 4+
Survey of NFDC members, 2013
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SEGRO relocation case study
! 3,180m2 office and warehouse (2000)
! Relocated 1 mile away ! Slough trading estate
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SEGRO relocation case study
Reused elements: ! Steel structure ! Plant/MEP ! Precast planks ! Curtain walling ! Raised access floor
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SEGRO relocation case study
56% lower embodied carbon compared to an equivalent new build (Sturgis cp)
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From niche to mainstream
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Supply chain integration for structural steel reuse
! Innovate UK funded feasibility study • Supply chain integration competition
! Supply-demand co-ordination tool for steel reuse • One of the key barriers to steel reuse
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Construction supply chains ! Traditionally long and linear ! Often end at completion/handover ! Long in-use phase ! Designers disconnected from demolition
contractors
End of supply chain 25-100+ years
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On-line portal
Designer requirements: ! Member size & grade ! Age and origin ! Location & availability
Demolition contractor: ! Pre-demolition audit ! Weight & value
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Supporting guidance
! Specification and design of reused steel ! CE marking and other regulatory requirements for
reused steel ! Pre-demolition surveys and audits ! Testing ! Contractual arrangements for sourcing and using reused
steel ! Insurance and warranties ! Case studies of successful projects and quantification of
the carbon savings
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Steel reuse and BIM
! BIM theoretically overcomes many problems of traceability
! Steelwork contractors already BIM proficient
! Prototype will explore this
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SCI is the leading, independent provider of technical expertise and disseminator of best practice to the steel construction sector. We work in partnership with clients, members and industry peers to help build businesses and provide competitive advantage through the commercial application of our knowledge. We are committed to offering and promoting sustainable and environmentally responsible solutions.
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SCI is the leading, independent provider of technical expertise and disseminator of best practice to the steel construction sector. We work in partnership with clients, members and industry peers to help build businesses and provide competitive advantage through the commercial application of our knowledge. We are committed to offering and promoting sustainable and environmentally responsible solutions.
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Reali/es!of!supplying!!the!construc/on!industry!!with!reSused!steel Opportunities & Threats
Roy Fishwick, MD, Cleveland Steel and Tubes Ltd
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Introducing Cleveland Steel and Tubes
• We specialise in the reuse of oil pipe and mill surplus and down grades
• Quality has ramped up dramatically in 20 years • Surpluses are significant – 36,000T on one contract • Sizes are bespoke so storage can be a long term necessity
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OPPORTUNITY
REGULATION
• LOWER SCRAP PRICES
• DECLINE OF GB STEEL
• SUSTAINABILITY – INNOVATION
• INCREASING SCRAPPING COSTS
• IMPROVED TESTING/INFORMATION
• MARKETING
• SCRAP REPUTATION
• THE BIG ONE: CE MARKING
THREATS
RECESSION
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OPPORTUNITIES • Low Scrap Prices: Lower scrap prices act as an incentive
for the industry to develop new income streams • Decline of GB steel: Scrap will be shipped longer distances,
further reducing scrap price. Designers will have to use European section sizes
• Sustainability: More and more relevant • Better Info: Non Destructive Testing, records, traceablility. • Increase scrapping costs
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THREATS �Marketing� • Ever increasing grades • Global players – market control • Specifiers guides – all prime, new grades �Scrap industry� reputation/perception: • Dodgy/dishonest, • Poor quality
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RECESSION
• Cost is key
• Market prices low
• Green is losing
• Less chance of
a return
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THE
BIG
ONE
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REGULATION E.U.
• Green Regulations & Targets • CE marking/ Construction Product Regulations
• Could kill off reuse
• ASBP will be leading a campaign
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Thanks for listening. Please get in touch [email protected]
Roy Fishwick, MD, Cleveland Steel and Tubes Ltd [email protected] www.asbp.org.uk
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Value Networks
Simon Corbey, MSc, MRICS Associate Director Alliance for Sustainable Building Products
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Circular Economy Business Models Reuse of Structural Steel within Construction
• ASBP lead • Collaborators: Ellis and Moore, Cleveland
Steel and Tubes, Steel Construction Institute
• Wider team; UCL, University of Cambridge, Cullinan Studios, NFDC
• In collaboration with Forum for the Future
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BedZED – 2002
98 tonnes of steel reused; 81.5 tonnes Co2e saved, cost
neutral
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Key insights – Enabling the Circular Economy
• Technology and design alone won’t get us there
• There is a need to transition to new business models
• It’s your value network that matters
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Value Network
• A value network is a business analysis perspective that describes social and technical resources within and between businesses.
• The nodes in a value network represent people (or roles). The nodes are connected by interactions that represent tangible and intangible deliverables.
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The Brain – the Ultimate Network You are your connections
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Key insights
• Innovating new business models need things you don’t have
• You need access to new capabilities and
assets to do things differently.
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Value Network • Aligned interests across all the players
because the value networks fulfils a job to be done for the each of them.
• Delivers through competencies that are rare and hard to imitate and/or difficult to replace.
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New business models
• UK's first 'pop-up village – PLACE/Ladywell
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New business models
SEGRO – 9, Cambridge Ave
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New business models
• Philips/NUS Pay per Lux
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New business models
Peterborough is initiating an ambitious line of work seeking to create a pioneering Circular City; embedding an innovative citywide circular economy approach. Helping Peterborough to efficiently manage the numerous flows of resources coming in and out of its geographical boundaries.
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Values
• Reuse should offer capital cost savings • Reuse has 4% of the embodied impact of
new steel • Reuse avoids energy intensive recycling • Social value; jobs, skills, keeping material
flows local • Knowledge
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The Linear Supply Chain
Client/Developer Designers Contractors Sub
Contractors Users Demolition
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Designers
Contractors
Sub-contractors
Users
Demolition
Going Circular
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The ASBP Reusable Building Network
ASBP
SCI
University of
Cambridge
UCL
NFDC
Ellis and Moore