Optimal Fiber Optics
Fiber optics, which played a crucial role in reinventing the telecommunications industry, have historically been noted for their potential in other facets of science and technology. Yet,...

Managing Mobilization Costs
Owners may not realize it, but contractors know that things don't get easier once a bid has been won. The next step is to mobilize equipment and materials for the project,...

On Scour's Frontier
Combing both computer and physical model studies, engineers attempted to assess the scour of a new North Carolina bridge that will bear the brunt of the East coast's worst...

Infrastructure Visionaries
The city of Indianapolis is investigating the long-term structural integrity of its infrastructure, in an unusual effort for U.S. municipalities. Most cities are strapped for cash and...

For Whom the Bugs Toil
Bioventing is soil ventilation intended to enhance the biodegradation of petroleum hydrocarbon contaminants in soils by providing a supply of oxygen. Soil microbes are capable of consuming...

Trenchless Quality Management (available in Geoenvironmental Engineering Special Issue)
Tunneling is complicated unpredictable work that often leads to disputes. One way to manage these projects and stay out of the courtroom is to use a methodology known as total quality...

Will the Real ISO 14001 Please Stand Up
The importance of ISO 14001 as a management tool, market entry credential, or public and regulatory relations vehicle is different depending on your company, industry, regulatory jurisdiction...

Small Firms, Big Challenges
Does it pay to be small? Though many small engineering firms find strength in their size, others are hampered by limited resources and a specialization that diminishes their client base....

A Gatehouse for Johnson
Philip Johnson's latest addition to his eclectic collection of architectural designs on his Connecticut property is a radical departure from his famed Glass House. Builders...

Worth the Risk?
The construction process is fraught with uncertainties, but integrated, proactive risk assessment and risk management methods can help owners, engineers and contractors make better, informed...

A Simplified Process Audit to Design an Affordable Pollution Prevention and Waste Management Plan - Part 1
This paper presents a simplified approach to the general audit procedure that is applicable to the Small and Medium Enterprise (SME). The process leads to the identification of major sources...

Dynamic Optimal Groundwater Remediation by Granular Activated Carbon
Objective functions to describe the operating and capital costs of GAC treatment are incorporated into a control theory model for optimal pump-and-treat groundwater remediation design....

Economic Issues Regarding Water Quality Objectives in the Grassland Basin
A conceptual framework is presented for evaluating the potential costs and benefits of water quality objectives in the Grassland Basin. The investments and expenditures required to achieve...

A Surface Collection Design Approach on the Lower Columbia River
Surface collection and bypass of downstream migrating juvenile salmon has the potential to help improve the survival of the Columbia River salmon population. However, surface passage on...

Evaluation of Nitrate Treatment Methods Under Uncertainty
There are several methods of removing nitrate from drinking water with varying degrees of cost and system perfonnance. In this study, the cost-effectiveness of the following nitrate removal...

Development and Application of a Dual Drainage Model for the Wethersfield Area of the City of Hartford, Connecticut
A combined system, with overflows, existed in the City of Hartford, Connecticut. Although effective in the context of design standards prevailing at the time of its original design, the...

Costs of Treatment for Wastewater Reclamation and Disposal: A Preliminary Assessment
Our objective is to estimate the marginal costs of different degrees of water reclamation treatment (primary, secondary, and tertiary), using the Los Angeles County Sanitation District...

Reduction of Downstream Impacts Through Use of Variable Detention Basin Volume Requirements
The Pre-post Match is the standard policy for regulating the design of detention basins for new developments despite evidence showing that as multiple developments occur in a watershed,...

Flood Control Studies for Arizona Communities
Severe flooding in the winter of 1992/1993 produced severe flooding across the State of Arizona. Damages were widespread and significant. Total public and private damages are estimated...

Direct Sizing of Small Stormwater Pump Stations
Pump stations are components of stormwater drainage systems that remove collected storm runoff from locations where drainage by gravity is not feasible. Usually pump stations will operate...

 

 

 

 

Return to search