Postcolonial Industrial Resilience of Repair and Reproduction of Small-Scale Metal Workshops in Dhaka

Abstract This study examines the informal metalworking cluster of Zinjira, Dhaka, as a site where reverse engineering practices and scrap-based production reconfigure urban machinic ecologies. Through fieldwork, spatial mapping, and modular design analysis, the research reveals how metal junk often dismissed as waste, functions as a material infrastructure that sustains livelihoods, organizes production, and shapes spatial dynamics. Rather than viewing this sector’s informality as an absence of planning, the study argues that Zinjira’s micro-industrial ecosystem exemplifies a form of postcolonial industrial resilience, where spatial flexibility and collective machine-sharing are structured around the circulation of byproduct junk materials. These adaptive practices challenge conventional approaches to urban economic policy and infrastructure design, offering a globally relevant perspective on how waste becomes a resource, informality a structured ecology, and peripheral economies critical sites of urban repair and reproduction. Finding 1: Shared Waste Material as Livelihood Infrastructure of Machinic Ecology Junk and scrap materials function not as residual waste but as foundational infrastructure. In Zinjira, the collective sharing of scrap materials and production machines forms a flexible infrastructure that sustains informal livelihoods and spatial resilience in the contextual urban economies. The spatial morphology of informal industrial clusters emerges from the negotiation, storage, and sharing of junk, a material resource that organizes production and social relationships. Production flexibility and workshop adaptability are directly rooted in how these materials are reworked and re-circulated within the cluster. These reframing positions junk as a key element of livelihood infrastructure in informal economies, transforming it from a perceived burden to a generative resource that sustains urban livelihoods and spatial adaptations in the Global South. Finding 2: Postcolonial Economic Resilience of Reverse Engineering as Urban Political Ecology The research highlights how Zinjira’s micro metal industries exemplify postcolonial industrial resilience through the practice of reverse engineering, embedded within a broader urban political ecology. Field diagrams and modular workspace frameworks reveal how adaptive production rooted in shared machinery, flexible spatial modules, and collective resource use operates within a system of waste circulation and reuse. This reworking of discarded materials challenges the conventional view of informality as marginal or stagnant. Instead, reverse engineering becomes an ecological and political process: an informal survival strategy that reconfigures urban economies and spatial relations in ways that resist displacement and top-down infrastructural interventions. In doing so, the study offers a transferable lens to understand informal economies globally as infrastructures of repair, care, and collective urban agency. Global Relevance: These findings argue that the adaptive, relational infrastructures of informal economies rooted in the strategic use of waste and collective labor practices—represent not just survival tactics but active forms of urban political ecology. Zinjira’s example redefines how we see the flexibility of informal economies: not as the absence of structure, but as a dynamic, co-produced system of labor, waste, and spatial innovation that challenges the governance and policy frameworks of rapidly urbanizing contexts in the Global South.