Ground Water Economics in the San Joaquin Valley
Ground water pumping in the San Joaquin Valley to supplement surface water supplies has increased from about 200 thousand acre-feet per year at the beginning of this century to nine million...
Charlotte Harbor Beach Nourishment
The project consisted of dredging approximately 300,000 cubic yards (229, 380 cubic meters) of material, utilizing a seagoing hopper dredge, from the entrance channel of Charlotte Harbor,...
Draghead Designs vs. Production
This paper discusses the development and design of draghead configurations for silt materials and describes a testing program designed to determine the most efficient range of the controllable...
Selecting a Dredge Pump
While it is not necessary for the dredge operator to know how to design a dredge pump, the ability to select one that meets his project requirements is essential to insure the success...
Vacuum Assisted Pipelines Operation
In the process of upgrading the sewerage facilities for Lancaster, Pennsylvania, it was decided to combine two existing facilities into one new facility. This required the design of three...
Adjustable Speed Pumping for Irrigation Networks
Adjustable speed technology can be an economically viable method of accommodating the significant fluctuations in flow and pressure produced by certain irrigation networks. Combinations...
Hydro-Thermal Power Plants with Pumped Storage
The concept of pumped storage can be justified through the development of hydro-thermal power plants. The hydraulic equipment for power plants of this kind is available in the market meeting...
Factory-Built Pump Stations for Water Service
Booster pumps for fire protection in tall buildings and small sewage pump stations have been available for many years as factory-built packages. These packages include pumps, motors, controls,...
Evaluating Pump Characteristics in Developing Countries
How do you assess normal operating characteristics for pumps used in small water supply systems when no information on the pumps is available and when the technicians have little technical...
Arizona's Water Strategy: Bring More In and Restrict Its Use
Decades of pumping groundwater faster than the natural rate of replenishment have lowered Arizona's water table to record depths and caused land subsidence and fissures. The...
Thermal Storage, Now and Future
Two-part article describes a 250 x 82 x 22 ft underground concrete tank that stores about 29,000 ton-hours of cooling effect for Yale University's medical school complex....
Chemical Spill Cleanup Named Project of the Year
A 1978 hazardous-waste spill in Michigan has been cleaned up so successfully that the American Consulting Engineers Council named it the 1982 project of the year. Here is how the railroad...
Ugly Dump Site Transformed into Recreation Mega-Facility
The civil engineering project selected as the Outstanding Civil Engineering Achievement of 1981 is described. While other communities bemoan the use and loss of land to refuse disposal,...
Rocky Mountain Arsenal: Landmark Case of Groundwater Polluted by Chemicals
For more than 20 years, the Army's Rocky Mountain Arsenal near Denver has been dealing with groundwater pollution caused by chemical warfare agents and pesticides. The arsenal...
Design of Water Intake Structures for Fish Protection
This publication presents the results of a study on available technical information on the characteristics of water intake structures designed to eliminate or reduce damage to fish. Biological...
TVA's Pumped Storage Plant
TVA's Raccoon Mountain Plant is one of the U.S.'s largest with generating capacity of 1530 MW for 20 hours. The project, nominated for a 1980 OCEA, consists of...
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...
Minnesota Interceptor Sewer Breaks New Ground
The Beltline Interceptor is a gravity interceptor sanitary sewer which has its outlet in St. Paul and its beginning in White Bear Lake. Major requirements called for a design which would...
Energy Utilization and Conservation in Wastewater Treatment
Rising costs of energy, and its limited supply in the United States, is requiring engineers to investigate the application of energy efficient processes for wastewater treatment. Energy...
Earth Retention by Drilled Reinforced Concrete Caissons
A hillside fill is stabilized by the construction of drilled reinforced concrete caissons. The fill supports a building which houses equipment important to a manufacturing process. Other...
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