The metabolism of the construction sector and circular - - PowerPoint PPT Presentation

The metabolism of the construction sector and circular opportunities

Merlijn Blok – Metabolic merlijn@metabolic.nl +316-4232 8883

5-6 December, 2019 | RAI, Amsterdam

Metabolism of the construction sector

5-6 December, 2019 | RAI, Amsterdam

Circular baseline assessment
 The Netherlands

Buildings annually

• Consume 17 million tonnes

materials

• 90% virgin materials
• Produce 7 million tonnes C&D

waste

• Recycling rate high, reuse rare

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5-6 December, 2019 | RAI, Amsterdam

Regional mapping of stocks and flows

Insight in specific projects:

• What?
• Where?
• When?
• Who?

Insight in specific products:

• What?
• How many?
• What value?
• What impact?

5-6 December, 2019 | RAI, Amsterdam

Regional supply - Rotterdam

• Insight in reusable products
• Future potential for urban

mining

• Basis for a feasibility study

for a reuse hub

5-6 December, 2019 | RAI, Amsterdam Reusable product Available amount Doors 12.000 pieces Insulation panels 99.000 m2 Handrails 2.000 m Wooden beams 32.000 m2 Steel cladding 11.000 m2 Steel beams 5.000 tonnes Suspended ceiling 49.000 m2 Ventilation systems 167.000 m2 GFA Window frames 14.000 m2 Wood fiber insulation boards 191.000 m2

Regional matching – Noord-Nederland

• Matching supply and

demand

• Mobilizing local parties
• Physical hub for reuse in

development

5-6 December, 2019 | RAI, Amsterdam

Ways forward

Insight in potential

5-6 December, 2019 | RAI, Amsterdam

Reuse infrastructure Market development