Table 2

The proportion of the material that could be reused in the disassembly phase, and the value of the components for gross floor area (GFA)

Building componentsSuitable for reuseFinal reuse (after loss during disassembly and testing)Corresponding material cost (€/m2, GFA)Value of salvaged components (€/m2, GFA)
BAU-R
1,232Bearing walls, precast concrete100%80%4536
1,234Beams, precast concrete100%90%11
1,235Intermediate floors, HCS56%50%3819
1,235Intermediate floors, solid slab100%80%65
1,236Roof HCS68%54%74
1,237Structural frame stairs100%80%1613
Total reuse value (€/GFA m2)   77
DfD-W&I
1,232Bearing walls, precast concrete100%80%4536
1,232Intermediate floor supports100%90%1715
1,233Columns, precast concrete100%90%1211
1,234Beams, precast concrete100%90%3733
1,235Intermediate floors, HCS100%90%3531
1,235Bathroom slabs100%80%32
1,235Slab hanger for openings100%90%87
1,235Intermediate floors, solid slab100%80%65
1,236Roof HCS100%80%76
1,237Structural frame stairs100%80%1613
1,322Underfloor heating panel80%64%1711
Total reuse value (€/GFA m2)    169
Source(s): Created by authors
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