Artificial Recharge: Key to Scottsdale's Future
The City of Scottsdale, Arizona has begun planning its strategy for meeting its future needs by recognizing artificial recharge, subsurface storage, and recovery as an integral component...
Underground Storage in Urban Stormwater Management
The use of underground pipe detention basins is discussed. These basins mitigate the frequency of localized flooding and sewer surcharging by effectively increasing the flow capacity of...
Lessons to be Learned from Lafayette Tennessee's Small Diameter Sewer System
Lafayette, Tennessee's septic tank effluent, small diameter gravity sewer (SDGS) system is believed to have been the first such project to be funded by the United States Environmental...
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...
Alternating Direction Oxidation Ditches?A Cost Saving Technology from Denmark
A soon to be released EPA report claims that in Denmark, small alternating direction oxidation ditches (ADOD) save as much as 70% of the cost for conventional oxidation ditches. The alternating...
The Development of a Design for a Breakwater at Keflavik, Iceland
A breakwater design was developed to be built using local quarried rock and relatively simple construction methods. The design significant wave height was 5.8 and the maximum depth of...
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...
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...
Building Code Requirements for Masonry Structures and Specifications for Masonry Structures
The proposed Building Code Requirements and Specifications for Masonry Structures presented in this book were developed by the Joint American Concrete Institute, American Society of Civil...
High Strength High Rise
For the sixth time in history, a structure billed as the world's tallest concrete building (over 950 ft) is under construction in Chicago. The contractors describe the structure...
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...
Use of In-Place Lateral Reconstruction for Correction of Infiltration/Inflow
Extensive sewer collection system rehabilitation programs have done much and will continue to correct infiltration/inflow problems. However, re-evaluation of some of the earlier projects...
Monitoring of a Gas Main During Construction
This paper focuses on the task of formulating and implementing a viable plan for protecting an existing gas main located in a construction site where construction activities include excavation,...
Underground Storage Tank Program and Its Implications
National concern over leaking underground tanks storing hazardous materials and wastes has resulted in the implementation of the 1984 Amendments of RCRA, which include the requirement...
Trenchless Techniques for Pipeline Installation, Renovation and Replacement
New construction methods have been developed primarily in Europe and Japan for underground pipeline work. The new methods, known as trenchless techniques, are primarily used when existing...
CADD Adds Safety to the Ryan
Computer aided design and drafting (CADD) was used to plan safety improvements for the Dan Ryan Viaduct, a two mile expressway in Chicago. Some 17 accidents per day took place along the...
Roads for Sale
Due to the decline in available federal revenue for transportation facilities, privatization is becoming a common alternative to project financing. A case study of a public/private partnership...
Japan Spans the Inland
Japan recently opened the Kojima-Sakaide Route, a 13.1 km series of bridges across the Inland Sea. The route connects two of Japan's four main islands�Honshu and Shikoku....
Costing Contingencies
Estimating the cost of constructing a tunnel is an art rather than a science. The unknowns are too great to predict costs relianblbly. On the other hand, owners need cost estimates in...
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