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Rehabilitation of Urban Pipelines
The City of Los Angeles is embarking on a replacement and rehabilitation program for the distressed portions of its sanitary sewer system which will cost in the hundreds of millions of...

Development of an Optimal Strategy for Storm Sewer Infrastructure Rehabilitation
Rehabilitation of the nation's infrastructure will require a significant expenditure of public funds in the near future. Efficient management of these funds will require tools...

Reliability Consideration in Capital Improvement Programs
This paper shows an application of network reliability modeling in water supply capital improvement programs. The proposed approach consists of combining geometrical and structural properties...

Water Distribution Infrastructure Analysis
Water distribution systems in many older cities of the United States need rehabilitation. Because the rehabilitation costs of the nation's water systems will involve billions...

Ground Water Management in the Memphis, Tennessee Urban Area
In 1887, the first known water well was placed in the aquifer which presently supplies almost 100% of the water used by the Memphis Urban Area (MUA). Since that time, the MUA has developed...

Is GIS in Water Resources Better or Different
The Geographic Information System (GIS) is a relatively new tool which, when applied properly, may greatly benefit the water resources analyst. GIS technology combines sophisticated graphical...

Field Data-Gathering: Critical First Step for a GIS
Gathering data in the field is one of the first major tasks required for developing a geographic information system (GIS) or automated mapping/facilities management (AM/FM) system. This...

Using a GIS to Better Manage Water Resources in Texas
This paper examines five GIS applications under development in two state agencies in Texas responsible for the management and regulation of water resources, response to and remediation...

Stormwater/Wastewater Management: How an Application Can Drive a GIS
Decision makers are finding that a much-needed application may be the key that drives the creation of a city- or county-wide Geographic Information System (GIS). A start-up GIS developed...

Computer Modeling as a Tool for Selecting Appropriate Air Valves for Pipeline Surge Protection
Waterhammer in water or wastewater pipelines is caused by events such as a pump power failure and can have potentially damaging effects on the pipeline or pipeline hardware. In particular,...

Water Supply Network Modeling for Infrastructure Management
The concept of a graphics-based computer package for water supply network modeling and system management is discussed. Network model input and solution data are reported via color graphics...

An Expert Critiquing System to Assist in Operating a Water Supply Network
An expert 'critiquing' system is under development to assist in operating San Francisco's multi-reservoir water supply system. This computer application...

A Water Information System for Decision Support in Design, Operation and Management of Distribution Systems
The design, operations and management of water supply and distribution systems require considerable amounts of data and data processing and analysis. What is not available to the water...

Managing Water Supply and Demand with Integrated Computer Models
Water resource planning and management has greatly benefited from the use of computer modeling. Numerous computer models have been developed to predict expected outcomes given a set of...

Optimizing Urban Ground Water Supply Systems
The cost of Pumping comprises a major part of total water operation and maintenance expenses. Most utilities attempt to keep these costs down. However, there are areas of study that may...

The State of Nevada Operational Seeding Program
Integration of the Nevada Operational Weather Modification Program into management of the region's water supply is a key element to meet the increasing demands placed on these...

Utility System Demand Forecasting Using Land Use Coefficients
In rapidly changing areas where several divergent paths of future growth are possible, there are advantages to forecasting future water demands and wastewater flows using the water and...

Public Involvement: Key to Stormwater Programs
The ultimate success of a stormwater program often depends upon the support of concerned citizens. Interaction between stormwater managers and the public is especially important in small...

Stormwater Management Policies for Two Urbanizing Communities in Western Suburban Cleveland
The cities of North Ridgeville and Avon Lake, Ohio are two western suburbs of Cleveland. The recent completion of the interstate highway, I-480, the resurgence of Lake Erie as a prime...

The Managemet of Storm Water Runoff Associated with Industrial Activity
Section 405 of the Water Quality Act of 1987 mandates that municipal and industrial storm water discharges are point sources of water pollution and are subject to regulation under the...

 

 

 

 

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