Clogging of Animal Waste: An Overview
This chapter examines research addressing the mechanisms that play a role in the clogging of lagoon liners by animal waste....

The Case for Cleaning
When sanitary sewer systems overflow during heavy rainstorms, the crisis is often attributed to the sheer volume of water inundating the system. In many cases, however, the lines would...

Wetlands at Work
As urbanization spread to the southern portion of Staten Island—the home of New York City's last large stand of freshwater wetlands—the New York City Department of Environmental...

San Diego Delivers
To maintain its ability to provide water to some of its rapidly growing regions, the city of San Diego is simultaneously laying two large diameter pipelines, one carrying potable water...

Thinking Deep
An underwater pipeline that has set records for its 55 in. (1,397 mm) diameter and 3,000 ft (914 m) depth stretches nearly 2 mi (3 km) from the shore of Hawaii to bring cold seawater to...

Shell of Steel
To create a saddle-shaped bandstand in a newly developed park in St. Paul, Minnesota, engineers designed a glass-covered, stainless steel lattice grid that makes use of a unique system...

CMOM in Fairfax County, Virginia

Leakage Control—Finding a New Resource from the Existing One
It is estimated that by the year 2005, one person in two will have an insufficient supply of one of the world's most precious elements: water. Worse still, it is predicted that this shortage...

Replacing a Dying Water Infrastructure
The water infrastructure in the United States will soon need massive repairs. Pipes are leaking, and most pipes are near the end of their life cycles. Tens of thousands of sewer overflows...

Deep Freeze
In engineering, overcoming a failure can sometimes be more instructive than completing a project with unqualified success. Such was the case with the collapse and repair of a force main...

Freight Pipelines: Past, Present and Future
Freight pipelines are a set of time-honored methods to transport solids by underground pipelines, and the technology is improving. However, for intercity and interstate freight transport...

Quality Control Test for Prestressing Wires in Concrete Pressure Pipe
Prestressed concrete cylinder pipe (PCCP) was introduced in 1942 as a high pressure capacity conduit for water transmission. The principal element of the design and construction that imparts...

Use of New Liner In Water Distribution System
For years there has been interest in rehabilitation of water distribution systems to provide quality drinking water and to reduce breaks in the water system service. Much work has been...

Ultimate Bearing Capacity of Small Diameter Steel Pipe Piles

Liner Lessons
The County Sanitation Districts of Los Angeles County comprise 25 independent special districts that cover a service area of approximately 770 sq mi (1,990 km²). Since the early 1990s...

Evaluation of SSET
The Sewer Scanner & Evaluation Technology
Prepared by CEITEC, a CERF innovation center serving the engineering and construction industries. This report describes an evaluation of Sewer Scanner...

Application of the Texas A&M University (TAMU) Dredging Cost Model to Long Distance Transport
To develop intelligent decisions about moving sediment long distances to the coast from dams, the cost becomes a major factor. The cost will be a function of many factors including cleaning...

The No-Filter Factor of Safety Against Piping Through Sands

Judgment and Innovation
The Heritage and Future of the Geotechnical Engineering Profession
This book contains six papers of timeless value from some of the most experienced leaders of the geotechnical engineering profession. The papers reflect over 250 years of collective geotechnical...

Trenchless Transformation
The Framingham Extension Sewer (FES) was constructed of reinforced-concrete pipe in the mid-1950s as part of the wastewater collection system for the greater Boston area. Age and hydrogen...

 

 

 

 

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