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Junction Falls Dam Rehabilitation?New Design Incorporates Vintage Concept
Junction Falls Dam was constructed in a gorge of the Kinnickinnic River in 1920 to produce hydroelectric power for the city of River Falls, Wisconsin. In 1988, the River Falls Municipal...

Analysis and Stabilization of Ambursen Dams?Two Case Studies
Case studies are presented about the analysis and rehabilitation of two slab-and-buttress (Ambursen) dams. The paper discusses the investigation techniques used, including sampling of...

Rehabilitation of the Dams at the Crescent and Vischer Ferry Hydroelectric Projects
This paper reviews the dam rehabilitation design and construction techniques used at the New York Power Authority's Crescent and Vischer Ferry Dams. The following are the...

Penstock Rehabilitation
The deterioration of aging penstocks is a common problem at many existing hydroelectric plants. A comprehensive understanding of the physical condition and functional limitations of an...

Manasan Ice Control Structure Rehabilitation & Bypass Designs
Ice control works built on the Burntwood River at Manasan Falls were damaged during the 1985 spring break-up. The ice boom had broken and the lowered pond level indicated that the rockfill...

Modernization of the Schoolfield Dam Hydroelectric Powerhouse
This case study describes the retrofitting of a turn-of-the-century powerhouse with modern turbine/generator equipment. The structure consists of numerous turbine bays separated by massive...

Rehabilitation of Dams, Spillways, and Hydroplants
Many older dams are in need of rehabilitation as a result of aging, deterioration, and more stringent safety standards. Concerns include deterioration of original construction materials,...

Total Quality Planning
When it comes to major unit maintenance, 'total quality results' require an investment in 'total quality planning.' The successful replacement...

Evaluation of Rehabilitation Alternatives for Small Hydropower Plants
This paper describes methods for comparative evaluation of alternative rehabilitation measures for aging small-scale hydroelectric power plants located on storage reservoirs. The evaluation...

Evaluation and Rehabilitation of Clogged Drains at Concrete Gravity Dams
Studies have shown that properly spaced drains of adequate depth provide the principal means of relief from uplift pressures beneath concrete gravity dams. Drains often become encrusted...

Rehabilitation of the Historic Ocoee 1 Hydro Power Plant
The Ocoee 1 Hydro Plant is located on the Ocoee River 16 miles east of Cleveland, Tennessee. Built by the East Tennessee Power Company, it was placed in commercial operation in 1912. There...

Ashton Hydroelectric Project Rehabilitation
This paper presents the project experience of rehabilitating the 70-year old Ashton power house and performing the dam design modifications to pass the increased probable maximum flood....

On-Site Rehabilitation Capabilities for the Nineties
This paper will review recent technological advancements in on-site manufacturing and machining capabilities which have been developed for the proper installation of new hydro turbines....

An Overview of the Latest Developments in the Modernization, Upgrading and Rehabilitation of Existing Hydraulic Turbines
The growth experienced in the 1980's in the modernization of older hydro plants has fueled the development of new runner and wheelcase designs and modifications providing...

Some Unusual Vibrations in Hydro Machinery
Most hydro machinery engineers have read the textbook cases of self-exited and flow induced vibrations. Usually such textbook vibrations are only found in the text book! In the real world,...

Case Study in the Upgrade and Rehabilitation Techniques of a Pumped Storage Installation
This paper presents a specific case study in the runner upgrade and unit rehabilitation of two pump/turbines at the Seneca Powerhouse. The study addresses the modern optimized designs...

Application of Appropriate Technology in Hydroelectric Project Rehabilitation
Many older dams are in need of rehabilitation as a result of aging, deterioration, and more stringent safety standards. A primary concern is spillway and stability inadequacies resulting...

Theoretical Investigation of Oxygenating Bubble Plumes
Rehabilitation of lakes by oxygenation with air or oxygen plumes has been proven to be biologically feasible. Oxygenating plumes are released from areal sources and the gases are absorbed...

Taller Tunnels
Between 1984 and 1991, Shannon & Wilson, Inc., Seattle, designed renovation programs for more than 25 mi of tunnels for four western railroads. We performed all of this work under...

Kuwait: The Incredible Shrinking Rehab
With rehabilitation estimates now just 20% of what they first were, the liberation of Kuwait has not been a cure-all for the construction industry. Firms participating in the emergency...

 

 

 

 

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