Blending Natural Earth Deposits for Least Cost
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Analytical Methods in Transportation: Planning a Grading Operation for Least Total Cost
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Project Selection Based on Benefits and Costs
Originally published in
Intermediate Service Levels in Water Distribution
This paper is concerned with design standards for secondary water distribution networks. Based on field studies in the Middle East and Africa, mathematical equations were developed for...
$80,000 in Payoffs: An Engineer Tells His Story
A member of ASCE was told that if he wanted public work in a certain area, he would have to pay the County Engineer 25% of the project costs. The engineer decided to pay and has regretted...
What Contractors Think About Prefabricated Piping
Among 190 of the largest users of pipe, 77% now use large-scale prefabricated piping. These users report an average saving, using prefabricated pipe versus conventional pipe, of 23%. Before...
Peer Review: Old Concept in New Situations
In the past, clients treated their engineering consultants as the fallible human beings they are. No longer is this true. Today there is more pressure, by clients and courts, for error-free...
What's New in Concrete and Concrete Floors�
What's new in concrete and concrete floors? Dig into that subject and you find that among the most interesting and important recent developments are (1)Post-tensioned flat...
West Coast Consulting Firm Gets Large Minicomputer to Keep Pace with Growth
This article tells the story of computer use in a medium-sized consulting engineering firm in the water resources field, Boyle Engineering Co., of Newport Beach, Calif. In the mid 1960's,...
What's New in Roofing�
For 75 years the waterproof membranes in roofs were made the same way�layers of bitumen alternating with layers of felt. Now for the first time prefabricated membranes of synthetics are...
U.K. Tunnelling Costs Halved by Use of Unbolted Concrete Lining Segments
Britain now has more than 25 years experience in the development of precast tunnel linings, for tunnels in clay. These linings are expanded directly against the ground. Under suitable...
Newark Airport Pilots Cost-Saving Runway Paving Concept
The NYC Met Section nominee for the 1978 Outstanding Civil Engineering Achievement Award was the expansion of Newark International Airport. The $200 million redevelopment included a new...
Land Treatment: An Alternative Technology for Wastewater Management
The 1977 Clean Water Act provides some strong incentives for increasing the use of less costly, less energy intensive technology for municipal wastewater treatment facilities. Specifically,...
Building New Bridges from Old
The Duluth, Missabe and Iron Range Railway Co. needed a new 150-ft (64-m) two-span railroad bridge. Minimum time and low cost were the demands. In response, the designers used steel girders...
Controlling Tunnel-Lining Costs�Tips for Owners and Designers
Emphasis is placed on those aspects of design likely to lead to cost savings or the avoidance of unanticipated extra cost during construction. Tunnel lining design requires knowledge about...
Direct Filtration�� Past, Present, Future
The Safe Drinking Water Act of 1974 for the first time established national drinking water standards on turbidity and other drinking water characteristics. Up until that time, the accepted...
Aerated-Pile Composting: A Promising New Alternative for Sewage Sludge Disposal
In the past several years, traditional methods of sludge disposal such as incineration and ocean dumping have come under fire from environmental groups and the EPA. This has sparked a...
Causes of NY Financial Crisis
New York City's recent financial crisis was brought on by several factors. The main long-range cause was the out-migration of middle-income people (taxpayers) and the in-migration...
Dominance of Special Interests Dashes NYC Hopes for Recovery
How well is New York City doing now? Is it really on the way to recovery? Since the landmark report by the Temporary Commission on City Finances was released over a year ago, very little...
Financial Bind of U.S. Older Cities
Among the key factors throwing the finances in many older American cities into disarray: substantial losses in population, industry, and business; swollen municipal expenditures; expanding...
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