Abstract

Using ModelBuilder to Evaluate Risk and Prioritize Sewer Upgrades
Track: Water, Wastewater, and Stormwater
Authors: Andrew Baldwin, Erin Smith

Sewer infrastructure is progressively deteriorating resulting in increasing pipe failures causing environmental, social and economic impacts for the water agencies and their customers. This paper describes a GIS-based approach for conducting risk analysis and resulting CIP prioritization using ESRI�s ModelBuilder application. The risk analysis uses ArcGIS spatial tools to analyze the consequence and likelihood of failure along with the final risk scores and CIP project prioritization.