Abstract
This practice paper concerns the management of occupational exposure risks during the operation of container-based sanitation (CBS) systems. The paper reports on findings based on three different CBS systems. An exposure risk assessment was conducted in each case study following a methodology adapted from the WHO Sanitation Safety Planning (SSP) Framework. The specific methods of data collection comprised a risk assessment workshop, as well as in-depth interviews and sanitary surveys to support and explain the findings from the risk assessment workshops. The analysis of the occupational exposure risks classified exposure risks into four categories of ‘drivers’ of exposure risk. These ‘drivers’ were supported by relevant secondary literature of exposure risk studies. The classification of hazardous events and exposure risks in CBS systems recognized: (1) the role of technical design and maintenance and condition of facilities, as well as manual aspects of labour; followed by (2) human behaviour; (3) system performance; and (4) physical environment. This classification is expected to simplify the exposure risk management process and provides a framework for the subsequent identification and management of occupational exposure in CBS systems. The framework is an additional tool within the sanitation safety planning toolkit to measure and manage exposure risks and thereby ensure safe sanitation performance. This research addresses a current knowledge gap in occupational exposure risks in CBS systems. The integration and use of these results in an adapted SSP framework may build a stronger business case for the adoption of CBS systems in city-wide urban sanitation sector planning.
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