Bridge Management: Computer Aided Priorities
Pennsylvania's Department of Transportation has invested $3.6 million in developing the concept and software for a Bridge Management System that will help determine the needs...
Expert Systems Enter the Marketplace
Civil engineering expert systems (computer programs that incorporate some of the decision-making capabilities of the top experts in a given subdiscipline) are beginning to come on the...
Building with Software
Project management has become a more precise art now that computers are on the construction scene. Scotsman Mfg. Corp. computerized its manual CPM techniques for erecting modular structures,...
Construction by Computer
Olympia & York, the developers of the 8 million sq ft World Financial Center in lower Manhattan are using a computerized scheduling system to keep the flow of materials into the...
Aerated Static Pile Composting of Wastewater Sludge: A Field Study in Longmont, Colorado
This is a report of experimental work at the Longmont wastewater plant at Colorado, on aerated static pile composting of wastewater sludge. 61% of the sludge mass used in compost piles...
Comprehensive Odor Control Programat East Bay Municipal Utility District (SD-1)
An odor control study was performed in a wastewater treatment plant in California to evaluate the interactive role of various factors tailored to site specific conditions. The scope of...
Ft. Lauderdale Wellfield Protection
Results of the study on groundwater contamination measurement and control are reported. The goal of this study was to ensure a safe and long-term supply of drinking water to the City of...
Effects of Industrial-Municipal Co-Disposal
A study was conducted to evaluate the physical, microbiological, and chemical conditions of nineteen experimental landfills after the completion of a ten-year long municipal refuse/industrial...
Integration of EPA Guidelines Air Quality Models with Human Exposure/Risk Estimation Procedures
Techniques, based on dispersion models which are currently available, for performing population and maximum individual exposure and risk assessments due to ambient air emissions are described....
Environmental Auditing: Planning and Implementation
This paper presents a variety of practical concepts which firms may wish to consider during the process of designing an environmental auditing program, or while reviewing the adequacy...
Full-Scale Automation of an SBR Wastewater Treatment Facility
Due to advantages offered by discontinuous wastewater processing, considerable attention has been given to the use of sequencing batch reactor (SBR). This paper will examine the implementation...
Application of a Relative Site Ranking Methodology to Regulation of Groundwater Contamination Sites
An assessment methodology for ranking groundwater contamination sites is described. The ranking of nearly 100 actual contamination sites, and the definition and calibration of 'zones...
Development of a Rule Based Expert System for Characterization of Hazardous Waste Sites
The area of hazardous waste management is a broad and multidisciplinary field requiring expertise in engineering, geology, chemistry and toxicology, and is an ideal area for the application...
Effect of Wastewater Characteristics on the Sulfide Problem (
This paper presents an overview of various wastewater characteristics with which the designer should be familiar, and the effect of those characteristics on the sulfide problem, including...
Computer Modeling of Collection Systems for Sulfide Evaluation (
An overview of two computer models and a nomograph model for sulfide prediction is presented. The first program, 'SULF. BAS', is a Basic Language computer model...
Land Disposal Construction, Monitoring and Closure
The continuous generation of hundreds of thousands of gallons of hazardous wastewater and waste process solutions each year at an aerospace development and assembly plant at Lockheed Missiles...
Initial Operations Report
In the fall of 1983, Fort Collins City placed into operation its 152. 6 hectare (377 acre) Resource Recovery Farm, which receives liquid sludges from the City's wastewater...
Risk Assessment Methodology for Determining Groundwater Contamination from Landfilling Sludge
Contaminant concentration criteria are required to prevent contaminant infiltration from leading to conditions which exceed health criteria. A methodology of groundwater has been described...
Sulfide Control in Omaha and Cedar Rapids
Omaha, Nebraska, and Cedar Rapids, Iowa have been involved in efforts to control sulfide in major interceptors, at the influent to the treatment plants, and within the treatment facilities....
Sulfide Corrosion and Control in the City of Modesto Primary Effluent Outfall (
The City of Modesto has a 60 inch diameter, 6- one-half mile long reinforced concrete pipeline conveying primary effluent from the primary treatment plant to the remote oxidation pond...
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