Rebuilding History
Deterioration of the second-oldest multiple-arch masonry viaduct in the country�in Canton, Mass.�threatened its ability to continue carrying Amtrak's Northeast Corridor trains,...
Riding the Rail
Spurred by decaying or overcrowded roads, communities across the U.S. are planning, building or renovating light rail, freight rail and high speed rail systems. The rail boom, funded in...
Bridge Within a Bridge
A multinational consortium retrofitted the Tagus River suspension bridge in Lisbon, Portugal. The retrofit included widening the roadway deck from five to six lanes, installing a railroad...
Application of Geotechnical Principles in Pavement Engineering
This proceedings,
Design of Municipal Wastewater Treatment Plants
This revised manual, updated from the previous edition, aims to be the principal reference of contemporary practice for the design of municipal wastewater treatment plants. The manual...
Sludge's Re-Treat
The Shreveport, La., water treatment plant was losing up to 25% of the water it pumped into filter backwashing and sludge. Demopulos & Ferguson Associates (DFA), Shreveport, designed...
Wetland Wonder
Pinellas County and the Southwest Florida Water Management District's Surface Water Improvement and Management (SWIM) Department jointly retrofitted an urban drainage basin...
Bioremediation in the Highway Environment
Three Case Studies
Prepared by the Environmental Technology Evaluation Center (EvTEC) and the Highway Innovative Technology Evaluation Center (HITEC), CERF Service Centers. ...
Public Water in Private Hands
The nation's water utilities are becoming a battleground for control between private companies that want a share of the market and public employees who are bidding for their...
Risk Management at Wahleach Dam
In a first-of-its-kind application, engineers used risk analysis to make event-driven design decisions to evaluate dam safety improvements at Canada's Wahleach Dam in British...
Design/Build Goes Light
Full speed ahead: Those might well be the bywords of Baltimore's Central Light Rail Line extension, a trailblazing project believed to be the first in which the design/build...
Small Town, High-Tech Solution
A reverse osmosis system is a viable treatment option for small communities seeking to achieve compliance with stringent drinking water standards. Here's how one town in Illinois...
Delivered into Providence
The Bristol County Water Authority of Rhode Island needed a pipeline to move potable water into the eastern regions, but the Providence River stood in the way. Directional-drilling provided...
A Sure Ride
Are current quality assurance practices resulting in the degree of highway quality that is desired and expected? The resounding no that often answers this question has brought the concern...
Multiplicity (Available only in the Geoenvironmental Special Issue)
When it comes to tracking groundwater contaminant plumes, single completion monitoring wells are the standard choice, but they aren't the only one. After four years of trying...
Fran-Spotting
When Hurricane Fran slammed into the North Carolina coast last September, it ravaged a fragile barrier island system already torn up by Hurricane Bertha two months before. The result was...
Dredging Up Toxic Sediments
Lots of people like to catch their fish and eat them too, but that's a dangerous proposition when they're fishing in water polluted with highly toxic pesticides....
Bridge Bashing
Ships can be dangerous to bridges. Collisions are increasing and costs are considerable. There are ways to reduce the risks, but these cost money, too. A 1993 vessel collision with and...
BART on a Roll
The San Francisco Bay Area Rapid Transit District (BART) opened its Pittsburg/Bay Point Station ahead of schedule, and now the district sets to work on an ambitious 14-mi rail system extension...
Infrastructure Opportunities in Chile
Chile has a stable government and a flourishing economy. The nation needs a drastic infrastructure upgrade to continue that prosperity. Capital is short, and the country is embarking on...
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