Vacuum Sewers: Construction and Operating Experience
As an alternative to conventional collection, the vacuum system has many advantages. Smaller diameter pipes, shallower trenches and the ability to make vertical and horizontal field changes...

CLNET?A Computer Model for Tracking Movement, Decay, and Concentrations Throughout Water Distribution Systems
This paper describes a computer program package for modeling the spread and subsequent decay of chlorine for modeling as water travels throughout a water distribution system. This total...

Least-Cost Scheduling of Advance Maintenance Dredging
New methods are suggested for scheduling advance maintenance dredging operations on isolated reaches of navigation channels. For reaches where siltation occurs regularly as a result of...

Issues in Regional Water Resources Planning and Management: A Great Lakes Case Study
This paper focuses on the obstacles and opportunities inherent in regional resource management efforts, with the Great Lakes Basin serving as a case study. The following areas are addressed:...

Sport Fish Consumption Advisories in the Great Lakes Basin: Assessment of Policy to Protect Human Health
Fish consumption advisories for Great Lakes sport fish are based on U.S. Food and Drug Administration (FDA) or U.S. Environmental Protection Agency (EPA) tolerance or action levels for...

Hydraulic Performance of Berm Breakwaters
In recent years, the concept of unconventional rubble mound breakwaters, i.e berm breakwaters, has gained much attention among researchers and engineers as an economical method to build...

The Design and Construction of a Mass Armoured Breakwater at Hay Point, Australia
The design and construction of a prototype mass armored breakwater is briefly described. The paper also explores the practicality of allowing the progressive interaction of design, physical...

Computing in Civil Engineering
Microcomputers to Supercomputers
This book contains papers presented at the Fifth Conference on Computing in Civil Engineering. Computer applications in specific disciplines are covered. These include construction engineering...

Water Power '87
The 1980's have been characterized as an era of uncertainty for world energy including future demand for energy, fuel prices and availability, regulatory constraints, environmental...

Rolling Incinerators
The Illinois Environmental Protection Agency (IEPA) is using a mobile incinerator to clean up a former oil and solvent storage/transfer operation which was badly contaminated. The benefits...

Pinpointing Nonpoint Pollution
The Tennessee Valley Authority is using aerial photography to locate nonpoint sources of water pollution. These cause most of the water quality problems in the region. Failing septic tanks...

Managing Mixed Waste
The category of mixed waste is an ambiguous one that is not clearly defined nor assigned to any one federal agency. These wastes, according to definitions in several government documents,...

A Study in Nuclear Decommissioning
The Gentilly-1 nuclear power plant two year decommissioning project launched a series of firsts for the nuclear power industry. It was the first commercial sized plant in the world to...

Drawing up Waterproof Curtains
Curtain wall damage has recently become the number one source of building owner complaints. Until wall systems are designed with backup water collection systems and other details, leakage...

Skytrain Crosses the River
The cable stayed bridge that will carry Vancouver's light rail line across the Fraser River is the world's longest such bridge built solely for mass transit....

Injecting an Oxygen Fix
Seasonal dissolved oxygen deficiencies are an old problem in hydropower discharges from deep impoundments. At the Richard B. Russell Dam near Savannah, Georgia, an innovative solution...

Building the Seven Seas
The Brookfield Zoo's Seven Seas Complex, outside of Chicago, is a combination of the Caribbean and the Pacific Northwest. Completed in May 1987, the Seven Seas Complex consists...

Specifications for Trenchless Excavation
Many advancements and innovations have developed recently in the utilization of trenchless excavation, techniques throughout the world. In many instances, design details and specifications...

Retrospective Look Into Design Challenges of Boston Interceptors
The purpose of this paper is to share with designers and owners a retrospective evaluation of a major sewer system design effort. The process by which a major sewer design project reaches...

Current Developments in Reinsulating/Waterproofing Underground Steam Mains in New York City
The objective of Con Edison's reinsulation project is to develop the materials and technology necessary to reinsulate those steam distribution mains having excessive thermal...

 

 

 

 

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