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...
Economic Assessment of Infrastructural Development for the Gurara River in Nigeria
Based on the preliminary designs of the hydraulic structures for the proposed Gurara river water development project in Nigeria, an economic feasibility analysis is presented. The cost...
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,...
Retrofitting a Regional Stormwater Facility
The City of Tacoma, Washington, constructed a regional stormwater detention facility in the Leach Creek watershed in 1961 to permit development in the southwest corner of the City while...
Rehabilitation of Rapidly Urbanizing Streams
DuPage County, Illinois is implementing a stream maintenance program with the purpose of restoring and preserving the hydraulic efficiency of its streams and drainageways. The program...
Soft Bottom Low Flow Channel?A New Approach
In 1987, the City of Boulder, Colorado requested assistance from the Urban Drainage and Flood Control District (District) to repair a problem of cattails growing in the low flow portion...
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...
Willingness to Pay for Stormwater Infrastructure
The contingent valuation method is used to estimate the willingness of Baltimore County homeowners to pay for stormwater controls to reduce nutrient loadings to the Chesapeake Bay. Homeowner...
Managing Water During Drought
In response to the problems that recent droughts have exposed, the Corps of Engineers is conducting the National Water Management During Drought Study. The primary purpose of the study...
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...
Capital Improvements Financing and Planning After a Natural Disaster
The Pima County Wastewater Department (PCWWMD) provides collection, treatment and disposal of wastewater in metropolitan Tucson, Arizona, and various outlying areas. In October 1983, severe...
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...
An Analysis of the Impact of Weather Variation on Monthly Water Demand
A methodology is utilized to analyze and model the impact of weather variation on monthly long distance water deliveries in Southern California. Monthly water demand is viewed as a combination...
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...
The Multi-Watfore Method: A Water Demand Forecasting System
The multi-Watfore method, which combines the cascade model and a first order analysis of uncertainty, is a system of practical steps to develop models of water demand while generating...
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...
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