An Organizational and Technological Model for Construction Waste Management in Dense Urban Development

Introduction. The research is devoted to developing effective methods for managing construction waste on residential sites in dense urban areas. Innovative approaches to waste management are set forth, including separate collection, digitalization of processes and modern primary treatment technologies in compliance with the requirements of ecology and resource conservation.

Materials and Methods. The study was conducted using the method of aggregated calculations of waste volume using the example of an actual housing construction facility with an area of 20,000 m2 . The assessment was performed based on the distribution of waste by categories and stages of production (excavation, monolith, installation, engineering networks, finishing, landscaping). The average coefficients of waste generation and material density were used in oder to calculate the total mass of each fraction. A comparative analysis of two logistics scenarios was carried out: a traditional one (collecting all waste together and sending it to the landfill) and an innovative one (separate collection, on-site pretreatment, recycling priority and digital accounting).

Research Results. The significant economic and environmental effect of the introduction of an innovative approach to construction waste management is indicated. Compared to the basic scenario ("mixed collection → landfill"), the innovative scheme ("separate collection + on-site processing + recycling priority + digital registration") provides a 51% reduction in landfill volumes and a 50% reduction in traffic. The major success parameter is the volume of soil reuse, which reduces the mass of recyclable waste and the number of dump truck trips by almost a half. The financial benefit is complemented by the possibility of commercial sales of secondary resources and introducing digital control tools. The results are presented in tables displaying the monthly dynamics of waste generation. Recommendations on containerization and assessment of the impact of the assumptions on the final indicators are provided.

Discussion and Conclusion. A construction waste management methodology has been developed that reduces the volume of disposal, transport load and provides savings by optimizing on-site recycling. An increase in the level of secondary use and effective primary waste treatment has been ensured. 

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