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1	Exploring Spatial Optimization Techniques for the Placement of Flow Monitors Utilized in RDII Studies Skehan, Christopher A. 31 August 2010 (has links) Indiana University-Purdue University Indianapolis (IUPUI) / The aging infrastructure of a wastewater collection system can leak, capture ground water, and capture precipitation runoff. These are some of the most common problems in many of today’s US collection systems and are often collectively referred to as Rain Derived Inflow and Infiltration (RDII or I/I). The goal of this study is to investigate such optimized methods and their potential to improve flow monitor placement, especially for RDII studies, and to improve upon Stevens (2005) methodology. This project adopts a methodology from the “facility location problem”, a branch of operations research and graph theory. Solutions to a facility location problem will be adapted and utilized within a transportation GIS application to determine optimal placement. facility location problem rainfall sewer collection system rain studies flow meter flow monitors RDII spatial optimization p median Water harvesting Sewage disposal plants Rain and rainfall