Cooperation Keeps Construction on Track
As with the design process, each phase of construction of the Antero Dam rehabilitation saw Denver Water, RJH Consultants Inc., HDR, the Colorado Division of Water Resources (also known as the State Engineer's...

From Fame to Failure: The St. Francis Dam (Part 2)
In the July/August issue, History Lesson examined the construction of California's St. Francis Dam and its catastrophic failure in 1928. This month's instalment examines the causes and aftermath of the...

From Fame to Failure: The St. Francis Dam (Part 1)
One of the most devastating engineering disasters in American history, the 1928 St. Francis Dam failure has had a lasting impact on the profession of civil engineering....

Delivering Olmsted Lock and Dam
The Olmsted Locks and Dam, the largest civil works project by the US Army Corps of Engineers since the Panama Canal, became operational in August 2018. More than 30 years in the making, the $3-billion...

Dry Dams in the Desert: Chasing Land Subsidence and Earth Fissures with Geophysics
Homogenous embankment dam flood retention structures (FRSs) were built throughout central Arizona desert basins in the mid-twentieth century to protect mostly agricultural lands and military installations...

Helicopter-Based Geophysical Reconnaissance of Levees: A Faster, Cost-Effective Tool for Assessing Their Risk
As with much of the nation's infrastructure, people are becoming more and more aware of the condition of levee systems in the United States. The media cast a spotlight on the New Orleans levee failures...

When Bridges, Roadways, and Dams Need Our Help: Innovative Techniques Can Help Save Our Nation's Critical Infrastructure
The nation's infrastructure is showing its age. The signs are obvious with structure distress, lack of functionality, and failure reported frequently over the last several decades. Specialty geotechnical...

Paleoflood Analyses For Dam and Levee Safety Assessments: Was that Really the "500-Year Flood"?
What is paleoflood hydrology? How are paleofloods analyzed? What are common paleoflood results? What are the implications of paleoflood analyses?...

Oroville Dam Spillway Incident: Putting Community Safety First While Investigating the Cause
The Oroville Dam, and its associated reservoir and hydropower plant facility, is located on the Feather River in Northern California and is owned and operated by the State of California, Department of...

Forensic Investigations Get to the Facts: East Side IHNC Flood Wall Breaches during Hurricane Katrina
I served as a geotechnical expert for the U.S. Department of Justice (DOJ) supporting the defense of the U.S. Army Corps of Engineers (USACE) against alleged professional negligence in its design of the...

Restoring Steinbeck's Carmel River: The Removal of San Clemente Dam
If you've read John Steinbeck's 1945 classic "Cannery Row," then you're already familiar with the Carmel River, which he described as "…a lovely little river. It isn't very long, but in its course it has...

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...

When Things Became Muddy: TVA's Response to Seepage Discharge at Boone Dam
In October 2014, the Tennessee Valley Authority (TVA) profited from investments in a robust dam safety program. This profit did not come in the form of money, but more importantly in the protection of...

Dam Safety Management Using Risk-Informed Decision-Making Methods: A Powerful Tool or an Unnecessary Venture?
This article discusses design standards, safety methods, and risk-informed decision-making methods for dams....

Tailings Dam Engineer of Record (EoR): There's Nothing Conventional About It
Engineer of Record (EoR) is a simple and resolute concept that's applied throughout the western world for civil works construction. It's a term that fits in a nice neat box; it represents a single person...

Tailings Impoundment Closure: It's All in the Eye of the Beholder
Since the early 1900s, the mining and power-generation industries have disposed of tailings and other waste products using impoundments. The term "tailings" typically refers to the fine-grained waste product...

Testing the New Locks
The recently completed third set of locks at the Panama Canal incorporates several civil components and hydraulic design features that are intended to reduce routine maintenance and conserve water. For...

Wider and Deeper
A key component of the recent Panama Canal expansion involved the widening and deepening of Gatun Lake, the artificial lake that serves as the canal's reservoir, and the deepening of the Culebra Cut (also...

Dry Dams and the Dayton Flood of 1913: The Origins of Integrated Systems Engineering Concepts
This article examines the history of integrated flood protection with particular focus on the 1913 Dayton Flood....

Small Projects are Big Deals
Geotechnical engineers work on a wide array of projects, ranging from small retaining walls or pavement projects, to construction of dams, canals, and foundations for bridges and high-rise...

 

 

 

 

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