Years of Planning for the South San Francisco Bay Shoreline Project: Now It�s Time to Build! Rapidly but Gently!
When a complicated project is completed, and you ask the engineers, "What was the most challenging part of this project?" a couple of difficulties usually come to mind. We�ve all heard war stories from...
Subsurface Utility Engineering and Megaprojects: Avoiding Underground Conflicts Helps Speed Project Delivery
Experienced project owners realize that utility conflicts can be risky and pose unexpected impacts on the cost and delivery of projects, especially in urban settings. To help overcome these impacts, Subsurface...
Trenchless Goes Hybrid: Old Tricks Are Finding New Applications
The International Society for Trenchless Technology defines trenchless technology as "Underground construction methods of utility installation, rehabilitation, inspection, location and leak detection,...
Public Utility Operators Care about Service
Public utility operators care about and strive to maintain infrastructure for the benefit of the public....
Applying Scanning Technology to Tunnel Inspections: Leveraging Technology to Reduce the Public Agita
A large number of transit and vehicular tunnels in the New York Metropolitan area were inundated by the tidal surge caused by Super Storm Sandy on October 29, 2012. The storm created major...
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...
Instrumentation and Monitoring
A detailed plan for monitoring possible ground surface movements caused by the microtunneling operations should be prepared. The plan is typically prepared by the engineer in consultation...
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...
Ground Freezing in a Congested Urban Area
Artificial ground freezing is a method of providing temporary earth support and ground water control for deep excavations and tunnels. The technique has been used for over 100 years in...
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...
Past and Future of Construction Equipment�Part IV
The development of construction equipment has followed the major changes in global transportation. In 1420, Giovanni Fontana was dreaming of and diagramming dredging machines. Development...
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...
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...
Team Development Through Feedback
Groups and teams need to be effective in whatever they're doing; they need to achieve their mission or purpose. Just as important, every team or group needs to be seen as...
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