Specification

The home of AJ Specification: case studies, working details, drawings, costs and product information. Subscribers can read issues of AJ Specification online here or issues can be purchased individually from the AJ Shop

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In practice: Urban quarrying

Nearly four years after the AJ spoke to KPF about its plans to ‘mine’ the 1980s former BT HQ  in the City of London for its Portland stone, Fran Williams looks at how its ambitious plans are turning out

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In practice: How Orms is pushing for materials reuse

Orms associate and sustainability co-ordinator Rachel Hoolahan tells Fran Williams about the practice’s recent research paper, Materials Passports: Accelerating Material Reuse in Construction, produced in collaboration with Lancaster University