News

Asphalt Article August 31, 2001
Minimized downtimeMinimized downtime. Lower cost of ownership. Reduced service costs. Increased productivity. If you were told that all these benefits could easily be achieved through simpler roller maintenance tasks, would you believe it? The truth is, every contractor wants these benefits out of...
Bridges Article August 31, 2001
Jim Roberts was thankful to come across friendly fire in Korea back in 1952Jim Roberts was thankful to come across friendly fire in Korea back in 1952. Or at least a form of it. Dealing with the aftereffects of the war, the young civil engineer battled the problem of pouring concrete in the dead of...
Bridges Article August 31, 2001
Denmark and Sweden share many things, including a claim to being the true home of Tycho Brahe, the 16th century astronomer who made what were at the time—before Galileo’s invention of the telescope—the most precise measurements ever of the motions of the planets and the positions of more than 700...
Trucks Article August 31, 2001
The "diesel debacle" continues to dominate truck newsThe "diesel debacle" continues to dominate truck news.Engine maker Cummins Inc. made the biggest headlines. After introducing a family of diesel and natural-gas engines that cost $1.7 billion to develop, Cummins abruptly stopped work on a 10- to...
Infrastructure Security Article August 31, 2001
More than a decade ago, the highway community joined together to initiate the Long Term Pavement Performance (LTPP) ProgramMore than a decade ago, the highway community joined together to initiate the Long Term Pavement Performance (LTPP) Program. Planned as a 20-year investigation of in-service...
Article August 31, 2001
No Damage for Delay clauses are inherently unfair. In some states the legislature has outlawed them on public contracts. Are they permissible in public contracts in your state? If so, Triple R Paving Inc. v. Broward County, 2000 WL 1584452 (Fla.App. 4 Dist. 2000), a recent Florida case...
Article August 31, 2001
Just hangin’ "oot"Just hangin’ "oot"A child and her parents were traveling down Highway 401 in Toronto last week, but unfortunately before they came to a stop, only two passengers remained in the car.Apparently after an argument ensued between the parents, the girl’s mom decided to dangle her one-...
News August 29, 2001
The Associated General Contractors of America (AGC) is asking OSHA to re-examine a new steel erection standard //--> The Associated General Contractors of America (AGC) is asking OSHA to re-examine a new steel erection standard.Claiming workers would be put at undue risk of injury and death...
News August 27, 2001
It's a long way down the Hoover DamIt's a long way down the Hoover Dam. It's a long way across it, too.Traffic congestion along U.S. Highway 93, a two-lane road which carries approximately 11,500 vehicles daily past the historic landmark, has cars backing up like the water these days. According to...
Infrastructure Security Article August 22, 2001
Aerobic digestion has been widely used in wastewater treatment plants (WWTP) for many years. The purpose of aerobic sludge digestion is to stabilize raw sludge and produce biosolids for further treatment and disposal.The detention time required to reduce volatile solids and achieve stabilization...
Infrastructure Security Article August 22, 2001
Small wastewater systems present many unique challenges including significant organic loading and flow variations, limited financial resources, limited operational and maintenance budgets, stringent discharge requirements and operator availability. Therefore, effective low maintenance, simple-to-...
Infrastructure Security Article August 22, 2001
Projects rarely are easy. However, throw in a remote site, steep siphon, a limited number of access points, harsh winter conditions and environmental concerns and you have a daunting project. This was the task facing Spiniello Companies' Western Division who were asked to save 8,800¢ of 184*-...
Infrastructure Security Article August 22, 2001
The drinking water reservoir of Montsouris (France), built in 1874, is one of oldest among the thirteen that supply Paris with water. Located on the southern edge of the city, it has a capacity of 7.2 million cubic feet of water with a semi-buried structure consisting of basins two across and two...
Infrastructure Security Article August 22, 2001
PerformanceThe performance of the Sleepy Hollow Wastewater Treatment Facility was extensively monitored for a sixteen week period. The influent and effluent were tested weekly for BOD, TSS, COD, temperature, pH, ammonia, nitrate, total Kjeldahl nitrogen and DO. Table 4 is a tabulation of the...
Infrastructure Security Article August 22, 2001
The City of Albuquerque depends on groundwater from 93 deep aquifer wells to supply drinking water to more than 400,000 users. The city is fortunate to have this source of water relatively free of bacteria. However, it must use disinfection systems to meet EPA and local regulations for water...
Infrastructure Security Article August 22, 2001
Many people are predicting that the biggest battle over resources, both in the United States and worldwide, in the next 25 to 50 years will be over water, not oil or energy. Shortages and limitations in water supply already have surfaced. Some growing cities are facing the possibility that their...
Infrastructure Security Article August 22, 2001
Water Matters! was the slogan of a rally dedicated to communicating the importance of safe and clean drinking water and securing support for promoting water issues with government leaders. Staged on the steps of the U.S. Capitol, more than 1,500 people attended the demonstration that took place...
News August 16, 2001
The U.S. Department of Transportation has approved an ownership and financial agreement among Maryland, Virginia and the District of Columbia to rebuild and expand the Woodrow Wilson Memorial Bridge over the Potomac River. "This project represents a major milestone in our ongoing attack on highway...
Infrastructure Security Article August 14, 2001
xmlns:w="urn:schemas-microsoft-com:office:word" xmlns="http://www.w3.org/TR/REC-html40"> Winches, Cranes and Hoists /*-->*/ To obtain its ISO 9000 Certification, State Chemical — a division of State Industrial Products — replaced its deteriorating batch control systems with  Easy LINK™...
News August 14, 2001
Shipments of construction equipment continued to decline in the second quarter of 2001, according to the latest report of consoShipments of construction equipment continued to decline in the second quarter of 2001, according to the latest report of consolidated manufacturers' data released by the...
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