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this article presents a study of economic assessment and classification of construction and demolition waste (CDW) in a high-rise building project located in the Metropolitan Region of Santiago, Chile Chile generates over five and half million tons of CDW per year and affect the environment in multiple ways. Likewise, the CDW are also a symptom of productivity problems. An adequate management of waste requires an assessment of it. However, there is limited literature related to the assessment of waste volumes and their economic impact (generation, transport and final disposal). It is found that the estimated waste generated per constructed area reached 0,186 m³/m² for this study case with a total cost of 188.234,44 US$ that corresponds to 1.19% of the project budget. Likewise, the costs per volume of waste was 75,47 US$/m³. [ABSTRACT FROM AUTHOR]