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...
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...
Japan Tunnels under the Ocean
The 54 km Seikan Tunnel, the longest undersea railroad in the world, opened in March. The tunnel, which connects Japan's two largest islands, Hakkaido and Honshu, is part...
Megaproject Management Tool
Program management oversight is an administration innovation in the water and wastewater treatment field. The method is increasingly being used when a public entity takes on a project...
Getting the VOCs Out of Well Water
Two technologies are successfully removing volatile organic chemicals (VOCs) from groundwater supplies. Not surprisingly, since the application is new, many of the designs were not optimized...
Measured Performance of Shallow Foundations
The seven papers included in this book document the field performance of shallow foundations. Five of these papers present foundation settlements caused by the compression of the subsoil,...
Infrastructure and Marketing in Water Resources
Marketing and infrastructure are two areas of growing interest and importance in engineering. Nearly every engineering discipline now uses some form of marketing to promote its products...
Soil Properties Evaluation from Centrifugal Models and Field Performance
The performance of geotechnical projects is dependent upon the appropriateness of the design theory to the boundary conditions, and the characterization of the soil properties used in...
The Changing Federal/State Relationship in Water Resources: An SCS Perspective
Since 1935, the Soil Conservation Service (SCS) has worked directly with state and local agencies, and individual landowners, to conserve and develop the Nation's soil and...
Changing Federal/State Water Resources Roles
As federal agencies such as Reclamation undertake change on national and regional levels, the priorities and programs of state and local groups may, in turn, be affected. Increased coordination...
Changing Role Between State and Federal Agencies
The paper discusses the title subject from the perspective of someone working in a state agency. The federal agencies discussed include the U.S. Army Corps of Engineers, Bureau of Reclamation,...
The Changing State Role in Water Management
The roles of the federal, state, and local governments in developing and managing the nation's waters are dynamic. They continue to reflect shifting social goals and policies....
Colorado River Municipal Water District Weather Modification Program 1971-1986
The Colorado River Municipal Water District (CRMWD) has sponsored a rain enhancement program on summertime convective clouds in West Texas since 1971. Silver iodide is used for cloud base...
Oklahoma Southwest Cooperative Program?An Update
In an effort to meet present and future regional water needs, the Oklahoma Water Resources Board and the Texas Water Commission (TWC), the Oklahoma effort has addressed three basic components:...
High Plains States' View on Weather Modification
The need for a critical analysis of all weather modification efforts has continued to be expressed during the ten years of the North American Interstate Weather Modification Council (NAIWMC)....
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...
Potassium Fertigation in Drip Irrigated Peppers in Puerto Rico
Three potassium fertigation rates (T1 = 100%, T2 = 60%, T3 = 30%) via trickle irrigation, fertilization rates (T4 = 100%, S1 = 100%, S2 = 50%, S3 = 0.0) and nonfertilization (T5 = 0.0)...
Drip Irrigation for a College Container Nursery
A drip irrigation system was installed by students during the summer of 1987 at the Ohio State University Agricultural Technical Institute, Wooster. The goals of this project were for...
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