Predicting Watermain Breakage Rates
Recent studies on water main breakage have shown significant spatial and temporal clustering in the breakage pattern. The methodology described in the paper provides the basis for a prediction...
Infrastructure Investment During a Boom/Bust Cycle
During a boom period, a utility can find itself in a position where the usual rules of thumb for making investment decisions are no longer trusted. If the utility enters the boom period...
Rehabilitation Model for Water Distribution Systems
This paper presents an optimization model for determining the minimum cost rehabilitation and replacement of pipes in water distribution systems. The advantages of the proposed model include...
Balancing Needs: Growth & Infrastructure Rehabilitation
Long range planning must include more than construction of facilities to meet new demands for service. A conscious effort must be made to balance the need for additional facilities with...
Cost-Effective Maintenance and Replacement Scheduling
The paper discusses operations research approaches to scheduling maintenance on components of water resources infrastructure. Cost and reliability objectives are explicitly considered....
Pretty Pictures & More GIS for Water Utilities
This paper considers the traditional activities of water utilities, and the solutions that will yield short and longer term requirements. These needs are then contrasted with the capabilities...
Probabilistic Analysis of Maintenance Options
Maintenance usually means service disruption, repair cost and loss of production. This is especially true for structures or components which provide basic infrastructure services, such...
Urban Drainage Pipe Systems: Failure Diagnosis and Rehabilitation Planning
A Task Committee on Failure Diagnosis and Rehabilitation of Urban Drainage Infrastructure has been organized by the Urban Water Resorces Committee of the Water Resourcs Planning and Management...
Realities of Infrastructure Financing
Federal financing of water supply and water treatment projects will continue to decrease as capital demands continue to increase for expansion of water supply, to replace aging systems,...
Urban Drainage Rehabilitation: A Review of Literature
The Task Committee on Failure Diagnosis and Rehabilitation of Urban Drainage Infrastructure has taken as one of its objectives the compilation of an anotated bibliography. This paper represents...
Recognizing Institutional Barriers in Regionalizing Water Supply Infrastructure
The Northern Colorado Water Conservancy District (District) is conducting a study to determine the feasibility of implementing expanded regional cooperation for future municipal and industrial...
Legal Issues Presented by the Regionalization of a Water System
The joint development of a water supply and related infrastructure ('regionalization') by independent municipal and private entities presents legal and institutional...
Incentives for Regionalization of Water Supply Infrastructure
Regionalization of water supply entails an agreement between two or more previously independent water suppliers wherein regionalization offers each something more than they could obtain...
Financing Small Water Supply Projects in Colorado
In order to meet the water supply needs of Colorado communities and the requirements of the Safe Drinking Water Act of 1986, the Colorado Water Resources and Power Development Authority...
Developing a Privately Owned Utility in Florida: Financing and Cash Flow
Private developers of a 5,000-acre master-planned community in Sarasota, Florida, were required to provide their own wastewater treatment plants as a condition for obtaining permits. After...
Water Utility Demand Forecasting Using Lotus 1-2-3 Spreadsheet
In this study, a technique has been developed using Lotus 1-2-3 spreadsheet for distributing projected populations to small sectors throughout the study area. This procedure divides the...
Preliminary Report of the Feasibility of an Interbasin Water Transfer Through Existing Canal Systems
A preliminary feasibility study of the interbasin transport of water from the Sabine River on the Texas Louisiana border to the San Jacinto River Basin, northeast of Houston, Texas, using...
Expert System for Budget Preparation and Optimal Operation of an Interconnected Power Utility
Manitoba Hydro operates a complex system of 13 reservoirs, 2 thermal and 13 hydro generating stations, and 9 interconnections to other neighbouring power utilities. The Energy Management...
Appropriate Cost Factors for System Reliability
This paper examines the development of appropriate costs to be associated with various levels of failure of water distribution networks and water supply systems. A clear distinction is...
The Development of Lake Granbury SWATS Regional Electrodialysis Reversal Demineralizer Treatment Plant
Due to high population growth and rapidly declining groundwater levels, the Brazos River Authority of Texas initiated a regional study to evaluate existing and potential surface water...
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