A Critical Appraisal of Some Proposed Changes to the 1972 Water Pollution Control Act
The amendments that will ultimately be made to the 1972 Water Pollution Control Act (PL 92-500), now being discussed by Congress, will be influenced by a number of things happening in...

A Look at Newer Methods for Dewatering Wastewater Sludges
The U.S. water cleanup effort is resulting in the production of huge quantities of additional sludge. Because of the difficulty of disposing of this sludge, it is usually dewatered. Although...

Water Management for Irrigation and Drainage
Proceedings of the ASCE Irrigation and Drainage Division Specialty Conference on Water Management for Irrigation and Damage, held in Reno, Nevada, July 20-22, 1977. Sponsored by the Irrigation...

Guide for Collection, Analysis and Use of Urban Stormwater Data
Proceedings of the Collection, Analysis, and Use of Urban Stormwater Data Conference held at Tidewater Inn, Easton, Maryland, November 28 December 3, 1976. Sponsored by the Engineering...

Ports '77
Proceedings of the 4th Annual Symposium on the Waterway, Port, Coastal and Ocean Division of ASCE, held in Long Beach, California, March 9-11, 1977. Sponsored by ASCE, Los Angeles Section;...

Advances in Civil Engineering Through Engineering Mechanics
Proceedings of the Second Annual Engineering Mechanics Division Specialty Conference, held in North Carolina State University, Raleigh, North Carolina, May 23-25, 1977. Sponsored by the...

The Current State of Knowledge of Lifeline Earthquake Engineering
Proceedings of the Technical Council on Lifeline Earthquake Engineering Specialty Conference, held at the University of California, Los Angeles, California, August 30-31, 1977. Sponsored...

Converting Solar Energy to Hydrogen: Answer to U.S.'s Long-Range Energy Needs�
Sunshine is an abundant, inexhaustible, non-polluting energy source; it is free; and no foreign country can control it. The problem arises in harnessing, storing and transporting the power...

Concentric Waste-Treatment Plant Saves Land
An activated-sludge treatment plant in Camden, N.Y. has several innovations: the principal one is the use of concentric tanks�� as distinct from the usual way of having separate, isolated...

Inflatable Dam Regulates River Level
Inflatable dams are economically feasible for maintaining a required constant water elevation on rivers and streams where flooding poses problems. Puncture resistant material, inflated...

Let's Consider Land Treatment, Not Land Disposal
The regulations that control operation and design of land treatment systems are discussed. A solution to control ground water pollution must consider all potential impacts. Pretreatment,...

Off-Highway Transportation in the Arctic
Because of the terrain and lack of roads in the region, a new breed of off-highway vehicles has seen heavy service in the Arctic and north slope of Alaska. These vehicles include rubber-bag...

Condeep�In 400 Ft of Water, Concrete Caisson Requires No Piles
The Condeep structure consists of (1) 19 cylindrical tanks each 66-ft diam and 164-ft high that together will store up to 900,000 bbl of oil; (2) the extension upward 300-ft more of three...

Concrete Barge of First Totally Offshore LPG Facility
Some 20 miles off Java, below waters 95-ft to 135-ft deep, is the Ardjuna Field, from which oil and gas soon will be taken. The adjacent coastal land is marshy, so onshore storage would...

Porous Friction Course Solves Airport Hydroplaning Problem
Several hydroplaning incidents had occurred at the Greensboro-High Point-Winston Salem Regional Airport, N.C. Hydroplaning occurs when hydrostatic pressure builds up in the field of surface...

Hydraulic Fill Dams/Earthquake Stability
The 1971 San Fernando earthquake near Los Angeles, Calif., generated concern for the stability of hydraulic fill dams. Two dams located near the fault were damaged severely. The shaking...

Stress Ribbon Bridge in Freiburg, Germany
A three span continuous stress ribbon bridge of 75, 130, and 138 ft, was built in downtown Freiburg, W. Germany, for pedestrian traffic. Structural analysis is similar to that of suspension...

Sewage Effluent Turned to Snow: Provides Storage, Removes Pollutant
Sewage effluent can be stored in an artificial snowpack as evidenced by research performed in 1974 by the Upper Yampa Water Conservancy District of Colorado. The three month long experiment...

Today's Northwest Passage
The Lower Snake River Project received the outstanding water resources engineering project award for 1976 from ASCE. The lower 140-mile (225-km) reach of the Snake River from its mouth...

Pilot Plant Program�� Treatment of NYC Water Supply
Many cities with upland reservoirs as their source of water are now finding it necessary to filter the water. Population growth in the upland areas and more stringent standards are the...

 

 

 

 

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