OPTIMIZING THE SOLID WASTE COLLECTION SYSTEM OF ACSS USING LINEAR PROGRAMMING & GIS Mohammed Abdi...
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Transcript of OPTIMIZING THE SOLID WASTE COLLECTION SYSTEM OF ACSS USING LINEAR PROGRAMMING & GIS Mohammed Abdi...
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OPTIMIZING THE SOLID WASTE COLLECTION SYSTEM OF ACSS USING
LINEAR PROGRAMMING & GIS
Mohammed Abdi Ali
Term Project
Fall 2000
CE 394 GIS for Water Resources
For additional information, visit http://www.ce.utexas.edu/stu/alima/home.html/swgis.htm
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Topics of the Presentation:
• Introduction– ACSS– Model formulation for Solid Waste Collection Optimization– Use of GIS in solid waste management
• Objective of Term Project• Data Acquisition & Preparation• Analysis Using Arc View GIS Spatial Analyst• Analysis Using Arc View GIS Network Analyst• Conclusion• Acknowledgment
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1. Introduction• ACSS
– ½ of the City’s population solid waste service provider
– Provides service for commercial & residential customer for both recyclable and disposable solid wastes.
– Provides both stationary container and hauled container services
– Offloading sites :TDS, BFI, MRF,Hornsby Bend, & COA Landfill
• Model of the optimization:
Input Data:Source locationTransportation street networksTransportation route length between pick-up locationsWaste generation data at pickup locationLocation of offloading sites
Analysis (optimization):Use linear modelingMinimize collection cost by considering the collection distance( route) and collection time Constraints: regulation, traffic loads, and working hours, truck capacity, and other conditions. Types of collection system
Output:Optimum collection routeCollection timeMinimum cost
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• Use of GIS in solid waste management
2. Objective of the Term Project:
• Investigating the existing capacity of Arc View GIS tools for optimizing city’s solid waste collection system
• To use the existing Arc View tools for preliminary route optimization
3. Computer Data Acquisition & preparation• Customer locations• Austin City Street network• Offloading and Office locations• Identifying Commercial, residential and recyclable customers and
hauled container collection system services
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Commercial Customer, Offloading & Office locations
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4. Analysis Using Arc View Spatial Analyst• The proximity analysis tools
Procedures:
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• Proximity to disposal sites – sample proximity analysis
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5. Analysis Using Arc View GIS Network AnalystThe Closest facility to Hauled Container Collection System-Procedures:
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Sample Best Route AnalysisProcedures:
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Out of the Analysis
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6. Conclusion
• The existing Spatial and Network analyst tools have limited application in City’s solid waste collection system optimization
• The existing tools are suitable for hauled container collection system than the stationary container system
• Improved tools or integration of additional linear models to include all the factors that may affect the collection system is necessary
• The existing tools may be helpful for locating transfer stations and landfill sites for new collection system
7. Acknowledgment
-City of Austin Solid Waste Service Office
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THANKS TO GOD! DEC. 7
DEC. 7