Infrastructure Engineering - Theses
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ItemControl and management of greasy waste in Melbourne: performance review and optimization options( 2003)25 Commercial Food Services Facilities (CFSF) were investigated to evaluate the technical and financial performance of existing grease arresting devices that were installed under the Greasy Waste Program of South East Water (SEW) and City West Water (CWW). Investigated premises were categorized into high, medium and low grease generating premises according to their grease generation potential. Based on observed quantitative and qualitative aspects of accumulated greasy waste an optimum pump out frequency schedule was developed for 3 different types of premises. A grease trap sizing procedure was also developed using the optimum pump out frequency and 3 strongly correlated food services' parameters such as seating capacity, kitchen fixtures and business hours, derived from statistical analysis. The pump out frequency and size of the existing grease traps were found to be inappropriate and inadequate respectively compared to the study developed schedule and procedure both in the SEW and CWW areas. The proposed schedule and procedure were also found to be a cost efficient option. Taking both technical and financial factors into consideration, the greasy waste program in South East Water was found to be more efficient than that of City West Water.