Pittsburgh's Troubled Bridges: What to Do About Them�
The Pittsburgh area is troubled by old bridges that are badly deteriorated. The metropolitan area has more bridges�� 1,700�� than any other. And some 66 of them have weight limits posted....
$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...
Field Control Replaces Design Conservation At World's Largest Underground Powerhouse
The excavation of 16,000,000 yd� of rock at LG-2, part of the La Grande hydropower project in Canada, has been completed. The world's largest underground powerhouse, with...
How Can Construction Specifications Be Improved�
Construction costs could be cut perhaps 5% to 10% if specifications were improved, as the ASCE survey of contractors discloses. Spec writers must have had responsible field experience....
Highway Widening Proceeds Behind Concrete Median Barrier
Precast concrete median barrier curb is being used temporarily to protect both workmen and traffic through the 3.1-mile long construction zone of a widening project along the Garden State...
Mammoth Construction Jobs: How to Speed Them, Cut Costs�
Not a few massive construction projects in such fields as mass transit, water resources, and power plants are suffering greatly from inflated costs and long delays. Among reasons are the...
Highway Maintenance Gets Major Attention at Transportation Meeting
Highways�� their maintenance and recycling especially�� came in for a good share of notice at last January's 57th annual meeting of the Transportation Research Board in Washington,...
Trans Alaska Pipeline
This is one of the most extraordinary projects contending for the OCEA awards. Examples: the 360 mile haul road built in one summer; the 29 construction camps, self-contained cities to...
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...
Isn't a Subway for Washington, D.C., Just the Thing�
After 100 years of dreaming and 10 years of design and construction, more than 22 miles and 28 stations of the Washington, D.C., Metro are now in revenue operation. When completed in 1983,...
Rx for Drought: Pumping Plant to the Rescue
Designed and built by the East Bay Municipal District, the pumping plant built last year at Middle River, Calif. was not unusual in design. What was unusual was the speed with which it...
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,...
Mechanization Speeds Limestone Production
The Dravo Lime Company's limestone mine and processing facility was nominated for an Outstanding Civil Engineering Award because it is a well-planned and executed construction...
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...
Mammoth Prefab Modules Speed Alaskan Oil
Accomplished in conjunction with construction of the Trans-Alaska Pipeline were the mammoth prefabricated modules erected at Prudhoe Bay on the North Slope oil fields; purpose is oil and...
Prefab Structural Components Solve Expansion Problem
Another story was added onto an existing low-rise building, where soil strength was so low that the new floor had to be built by sinking new columns down to a sounder stratum, placing...
Corps Developing Wildlife Habitat to Solve Disposal Problems
The large volume of sediments dredged each year by the Corps of Engineers from navigable waterways can be considered a resource instead of a waste product, and used as a substrate for...
Subway Designs and Construction Methods That Cut Costs
The high cost of subway construction in the United States can be reduced by adopting station and track structure configurations, structural systems, and construction techniques best suited...
Reliable Structural Weldments for Critical Service
Fracture control plans are considered in light of weldment rather than base material alone. Data are presented on the probability of base materials (i.e., plate) having adequate toughness...
Return to search