Storage for One More Century
Since its completion more than a century ago by a previous owner, Denver Water's Antero Dam has experienced seepage problems, forcing the utility to limit the storage capacity of the associated reservoir....

Whose "Fault" Is This? Overcoming Faulting and Ancient Landslides in a Dam Abutment
The Calaveras Dam Replacement Project (CDRP) is the largest project in the San Francisco Public Utilities Commission's (SFPUC) $4.8 billion, multi-year Water System Improvement Program (WSIP). The program...

Borehole Geophysics: Tools to Characterize Rock Properties
Effective design and construction in rock requires characterization of the engineering properties of the rock mass, as well as any associated geological features such as joints, faults, and bedding planes....

Microtunneling Design Elements
The design elements and the process for a microtunneling project are generally the same as for other underground projects. Design elements include the following: General conditions; Special...

Enhanced Detection and Mapping of Buried Utilities—A Sustainability Perspective
The social and environmental impacts and benefits of projects make up the triple bottom line that represents a modern view of sustainable project development. Rather than considering only...

Water Utilities Recognizing and Adapting to a 2050 Climate

Accuracy Assessment of the National Geodetic Survey's OPUS-RS Utility

Construction Speed and Existing Utilities

Firepower
The processes put in place by water utilities are designed with the quality of water normally received for treatment in mind. But the runoff from areas ravaged by fire can degrade that...

Loading Requirements for FRP Poles Utilized in other than Utility Line Applications

Safeguarding Water Utilities
Immediately after the September 11 terrorist attacks, many water and wastewater utilities adopted or expanded security measures. Now with many systems conducting or planning to conduct...

A Dam for a Dam
The General Electric (GE) Dam in Minneapolis, Minnesota, was more than a century old when it began leaking excessively in December 1998. Operations staff for the dam owner—the Minneapolis-based...

Update of ASCE Manuals and Reports on Engineering Practice No.74 Guidelines for Electrical Transmission Line Structural Loads
For many months there has been doubt that the latest version of ASCE Manuals and Reports on Engineering Practice No. 74. Guidelines for Electrical Transmission Line Structural Loading,...

Effect of Aluminum Compression on ACSR Conductor Sags at High Operating Temperatures
Deregulation and restructuring are sweeping the electric utility industry in the United States. As a result, many utility engineers are analyzing, re-rating, and upgrading their most critical...

Emphasis on Aesthetics
Architects and structural engineers joined forces to create a large, visually appealing chilled-water plant for high-profile site near the southern gateway to the University of Pennsylvania....

Improving the Process
By revamping its solids treatment system, the wastewater utility in Louisville, Kentucky, eliminated odors, created a potential source of new revenue, and saved millions of dollars in...

Standard Guideline for the Collection and Depiction of Existing Subsurface Utility Data
Development of the referenced Standard began in 1996. It is slated for publication in summer of 2002. The intent of this standard guideline is to present a system of classifying the quality...

Non-Destructive Excavating Around Pipelines and Challenging Conditions
Hydrovac technology provides engineers and contractors with a unique solution for non-destructive excavating around sensitive buried lines. As a non-mechanical excavating method, it is...

Tied by Water
Water utilities in the Puget Sound region of Washington State face strict water quality standards and increasing water demands. Because of the Endangered Species Act, they are also under...

Jet Grouting for Microtunneling and Shaft Construction in Highly Congested Utility Corridors

 

 

 

 

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