Distribution System: Cost of Repair and Replacement
The Safe Drinking Water Act of 1974 mandates that EPA be concerned with the supply of potable water to the consumer. Although most emphasis has been placed on water quality as it leves...
Water Main Cleaning and Lining?A Utility Perspective
The Chester Water Authority is a regional water supply system located in Southeastern Pennsylvania serving a population of over 140,000 people in two countries and a large industrial complex...
Planning for Rehabilitation?MWRA Waterworks System
The Massachusetts Water Resources Authority (MWRA) operates and maintains 255 miles of large diameter distribution mains. Existing problems include increasing steel pipe repairs and extensive...
Buried Pipeline Research Needs
A workshop was convened with representatives from universities, consulting engineering and research organizations, pipe and/or equipment manufacturers, constructors, users, and government...
Water Pipeline Infrastructure; Design Now for Future Ease of Repair
This paper covers the general types of water pipe joints presently in the ground in the United States. It also covers the methods used to repair joints and damaged pipes, pipe cutting,...
Seismic Counter-Measures for Buried Pipelines
This paper deals with the seismic counter-measures for mitigating hazards from earthquake damages to buried water and sewer pipelines. To achieve an overall program for the earthquake...
Computer Control for Salt Lake City Water System
In 1978 the Department of Public Utilities in Salt Lake City began to develop a computer system to aid in the operation of the water system. The Department of Public Utilities computer...
Chemigation Backflow Prevention Assemblies
Chemigation with sprinkler irrigation systems is widely used throughout the United States. One potential environmental hazard of this practice is the point source water contamination due...
Transportation by Pipelines in Space Colonies
The use of pipelines in space colonies to transport liquid, gas, solids and even passengers is not only feasible but also desirable. For many applications, pipelines offer a number of...
Pipeline Infrastructure
These proceedings include papers which cover the topics of innovative pipeline design, condition monitoring, soil-pipe interaction, inspection, maintenance, and rehabilitation. These collective...
Seismic Risk to Natural Gas and Oil Systems
This paper begins with a brief summary of significant earthquake damage to gas and oil lifeline systems during several earthquakes. Following this discussion, the objectives and major...
Fly Ash Fills a Valley
The Pennsylvania Department of Transportation (PennDOT) recently placed narly 400,000 tons of fly ash in a structural fill along I-279 near Pittsburgh. The fly ash, believed to be the...
Distribution System Rehabilitation
Hackensack Water Company has had an on-going program of cleaning and lining its transmission mains to increase their capacity and lower its pumping costs. But by late 1986, the need to...
Solutions to Institutional Constraints in Water Marketing
Free market advocates are attracted by the prospect of an economics-driven allocation system of freely transferrable water rights. Engineers see an opportunity to find wet water for their...
The Management of Coastal Zone Resources in Panama
Since independence in 1903, Panama has constructed an interoceanic canal and oil pipeline, established a fishing fleet, built access roads to much of the Pacific shoreline, and developed...
Guadalupe Dunes Revegetation Program
The subject of this paper is a revegetation program currently being developed by McClelland Engineers and Cities Services for a five-mile pipeline construction corridor in the Guadalupe...
Revegetation in the Arctic (
A tremendous amount of information on revegetation of Arctic tundra was gathered during the following completion of the Trans Alaska Pipeline System. This information and initiation of...
Tractive Flows Adjacent to Site for Submarine Sewage Pipeline
Twin 3200 m long submarine sewage pipelines for the city of Vancouver are being placed across the outer tidal flats and upper slope of the Fraser River delta to a water depth of 107 m....
Major Offsite Mitigation: Batiquitos Lagoon
This paper discusses the general characteristics of the Batiquitos Lagoon Enhancement Project near Carlsbad, California, which will provide mitigation for a pipeline project in San Pedro...
Investigation of Wave-Induced Oscillations in Sewage Outfalls
The work described in this paper deals with the effect of wave action on the hydraulic performance of a sewage effluent outfall. The outfall under consideration is an inverted siphon....
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