Decision Criteria in Solid Waste Collectionby Ely Anthony R. Ouano, Research Asst. Prof. in Environmental Engrg.; Asian Inst. of Tech., Bangkok, Thailand,
Richard J. Frankel, (M.ASCE), Pres.; SEATEC International, Consulting Engrs., Bangkok, Thailand; formerly, Assoc. Prof. of Environmental Engrg., Asian Inst. of Tech., Bangkok, Thailand,
Serial Information: Journal of the Environmental Engineering Division, 1976, Vol. 102, Issue 3, Pg. 645-655
Document Type: Journal Paper
Solid waste collection in residential and commercial areas requires numerous decisions by the crew or supervisor pertaining to collection areas, collection time, crew overtime, and truck routing. Using management problems frequently encountered in solid waste collection in Bangkok, Thailand, three decision criteria were developed using economic analyses: (1) Whether the collection crew should return to a collection area after the trip to the disposal site has been completed; (2) whether the crew should return to the same or a different collection site; and (3) whether to take overtime once the regular working day is finished and the truck is only partially filled. These criteria were quantified by optimizing the collection system operating cost curve and were incorporated into a simulation model of the entire system. The sensitivity of the decision criteria were tested with respect to the following variables: collection area, crew overtime, crew size, hauling distance, and truck size. Graphs were prepared for simple direct application of the criteria to every day problems encountered during collection of solid wastes.
Subject Headings: Solid wastes | Solid mechanics | Trucks | Site investigation | Waste sites | Domestic wastes | Optimization models | Residential location | Thailand | Asia | Bangkok
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