Agenda Packets - 2023/03/03 - Laserfiche WebLink

Home Browse Search

fuel consumption while idling (loading materials). These two consumption values combined provide the fuel use for collection services while actually on a collection route. To develop accurate estimates of existing fuel use in the various open cities, field work was conducted to gather route data. The data collected for haulers in each in-depth open city include a sample of route miles driven, total time on route which is divided into two portions, driving time and loading time. Data was also collected on the total number of households served and total households driven past during the field sample. With fuel consumption averages and the above mentioned data, one can determine the amount of fuel used per household collected. As the percentage of the number of households collected increases, there is greater efficiency in collection and less drive by time. This translates into fuel savings and reduces GHG emissions associated with collection of waste/recyclables per household. With the data collected from field work along with market share data research, Foth determined the relative GHG emissions for existing, open collection systems versus an organized collection system. 4.9.1 Background Private hauling companies and municipal hauling organizations keep track of overall fuel consumption as part of the management of operations. Fuel costs are a significant portion of operating costs and somewhat manageable in nature. Haulers have routing software to show the shortest distances necessary to collect waste/recyclables from customers and/or the institutional memory of the organization and route workers to do the same. In order to show differences in fuel consumption rates, the function of driving to perform collections (field collection activities) must be differentiated from the driving to and from the route and driving to disposal facilities (general driving). This differentiation between driving activities must be done to account for the fuel use when collection vehicles are on route (with idling) versus general driving. Research as part of this analysis revealed that the hauling companies and municipal hauling organizations observed were not able to quantify their fuel use differentiated by consumption between field collection activities and general driving. This report concentrates on differences in fuel consumption that exist for the field collection activities of haulers who service only a portion of the households in any area versus the field collection activities of haulers servicing all households. It is important to understand that there is one constant in providing collection services; a vehicle driven at a minimum, from house to house and the vehicle will stop for a brief period of time at every household serviced to perform the loading operation. For purposes of this report, the data for driving between households is referred to as "drive data" and the data for the period stopped and emptying containers is referred to as the "loading data." This analysis demonstrates the measurable difference in providing those services to every household versus serving something less than every household. The data is provided in a relational form. Trying to calculate or report the exact fuel consumption rates for the multitude of actual field conditions and vehicles that occur in the in-depth cities is difficult. Collection vehicles used by 106 •Foth Infrastructure & Environment, LLC R - Analysis of Waste Collection Service Arrangements.doc June 2009