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Build→ Use→ Recover→ Reuse→ Recycle
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Retain → Adapt → Reuse → Demolish only if necessary
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Materials should re enter the loop
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Demolition should be avoided unless justified
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“How do we recover value?”
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“Should we demolish at all?”
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Economic efficiency and project completion
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Material recovery, lifecycle extension
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Human, environmental, cultural, and socio economic continuity
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High waste, high embodied carbon loss
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Reduced waste through recovery loops
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Maximum preservation of embodied carbon through non demolition
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Disruption is accepted as part of the cycle
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Disruption mitigated through reuse pathways
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Disruption minimized by retaining structures and community continuity
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Linear sequencing: Plan → Demolish → Dispose
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Circular sequencing: Recover → Reuse → Recycle
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Conditional sequencing: Retain → Adapt → Refurbish → Partial Demo → Full Demo (last)
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Necessary for material recovery
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Last resort; only justified when retention fails
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Human-Centered Experience(HCE)
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Secondary to project logistics
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Considered through reuse and reduced waste
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Central; prioritizes continuity, cultural memory, and human impact
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Risk managed through demolition planning
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Risk managed through material pathways
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Risk managed through avoiding demolition and preserving stability
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Predictable end of life demolition
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Regenerative material loops
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Preservation first built environment transitions
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Opposite of SID’s safety first logic
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Compatible with SID’s lifecycle reasoning
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Strongly aligned with SID’s evidence based decision logic
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