Public Works articles from January 1999

Public Works archives from January 1999

Strengthened water quality monitoring and filtration rules were announced early December by the Environmental Protection Agency, the first regulations on the subject published since the Safe Drinking Water Act Amendments of 1996 were signed into law.
January 1, 1999... The Stage 1 Disinfectant and Disinfection Byproduct Rule and the Enhanced Surface Water Treatment Rule are intended to reduce the ill-health effects of microbial contaminants, and from the byproducts of disinfectants used to control typhoid,...

Changing the style of wastewater treatment facility management.(Cover Story)
January 1, 1999... While the primary goal of any wastewater treatment facility continues to be - strangely enough - wastewater treatment, the ways in which any one facility defines its success have broadened. Whether a plant has been totally privatized, operates...

New life in Phoenix: labor/management partnership.
January 1, 1999... PALM is a unique partnership forged by labor and management, achieving a new level of cooperation and teamwork that benefits labor, management, the city, and, most of all, the consumers. In November 1996, the PALM Committee began a...

Digging project maintains earth pressure balance.(upgrading of sewer tunnel in San Diego, California)
January 1, 1999... Few people in San Diego knew that a project to build a 4,400-ft sewer tunnel was proceeding right under their feet. "The main portion of the two-pass tunnel was ahead of schedule, without any major problems, and with out causing any major...

Pipe bursting used to replace aging sewer lines.
January 1, 1999... For a town like Sunbury, that welcomes growth, the most cost-effective solution was to replace the sewer lines. Moffitt Rehabilitation Services (Hawesville, Kentucky), whose sewer line rehabilitation methods include both open-cutting and...

An unconventional approach to MSW management.(leachate recirculation)
January 1, 1999... Unlike much of the public, public works professionals and regulators are well aware of the interrelationship of landfill operations, wastewater treatment, and the protection of water supplies. While Subtitle D of the Resource Conservation and...

Road reconstruction process eliminates freeze/thaw problems.(reconstruction of Alder Creek Road in Truckee, California, using Geobase)
January 1, 1999... What came as more of a shock to the newly incorporated town was the cost of fixing the damage. For the first time, the majority of funds would come out of the town's budget, and that led Town Engineer Jon Lander to seek some new answers. ...

Protective coatings in corrosive underground environments.
January 1, 1999... Only within the last 20 years has the U.S. initiated major rehabilitation efforts in its underground sanitary sewer collection and treatment systems. U.S. sewer systems are relatively new but now contain more organic waste and industrial...

Current issues on water disinfection.
January 1, 1999... For most surface-water utilities, effective clarification and filtration, in conjunction with adequate disinfection, are essential for providing a barrier against waterborne pathogens. Giardia cysts and Cryptosporidium oocysts may be removed...

Turnpike interchange provides critical link to valley.(Massachusetts Turnpike Interchange)
January 1, 1999... The Route 146/Massachusetts Turnpike Interchange, the first major interchange project undertaken by the Massachusetts Turnpike Authority (MTA) in over 30 years, will provide direct access between Worcester (a major commercial and industrial...

Pipeline maintenance benefits from GIS development.(geographic information system improves collection systems operations of the Central Contra Costa Sanitary District)
January 1, 1999... In a description of possibly the worst-case scenario that field engineers at the Central Contra Costa Sanitary District (CCCSD) could face, Bill Clement adds a new dimension to the scene being portrayed: the sense of smell. "It's 2:00 in...

Southern California 'breaks ground' with reservoir lining system.(Garvey Reservoir)
January 1, 1999... Protecting one of the largest covered potable water storage facilities in the world from contamination is no easy task, especially when earthquakes remain a daily threat. Add to this increasingly stringent water quality regulations. In...

City is committed to quality of life ad quality customer service.(Gresham, Oregon's Dept. of Environmental Services)
January 1, 1999... Oregon's fourth largest city is Gresham, home to over 80,000 residents and enviably located in the Portland metropolitan area, an area of 1.7 million people that is noted nationwide for its high quality of life. Within an hour's drive of...

CAD/GIS software facilitates airport expansion schedule.(San Francisco Airport expansion)
January 1, 1999... Advances in geographic information systems (GIS) technology have significantly enhanced the efficiency of what is, perhaps, the largest public works project in Bay Area history - San Francisco Airport's (SFO's) $2.58-billion expansion. Coupled...

The effect of a recreational land use act on governmental immunity.(Michigan Supreme Court's ruling on the Ballard vs. Ypsilanti Township)
January 1, 1999... The Michigan Supreme Court was asked to decide if the recreational land use act (RUA), MCL 300.201; MSA 13.1485, creates an exception to the governmental immunity created by the state's governmental tort liability act (GTLA), MCL 691.1407 (1);...