Tunneling through an Existing Concrete Masonry Dam
The Gregory B. Jarvis Hydroelectric Project is located in Upper New York State on the West Canada Creek. Existing facilities include a non-overflow concrete gravity dam, 65 feet long and...

China's Ertan Hydroelectric Project
Ertan will be a major hydroelectric project on the Yalong River in China. The project consists of a 240 m high arch dam, two tunnel spillways, an overflow spillway, mid- and low-level...

Design Considerations for a Penstock Located in an Outlet Tunnel at the Jennings Randolph Dam in West Virginia
The proposed production of hydropower at this flood control-recreation dam involves the installation of a 78 inch diameter steel penstock at the crown of the existing tunnel. The penstock...

Analysis and Rehabilitation of Ambursen Dams
This paper deals with the investigation and analysis of two Ambursen dams located in the upper Midwest. These investigations revealed that the original design contained significant defects,...

Dam Rehabilitation and Fish Lift Design at the Pejepscot Hydroelectric Project
The rehabilitation work on the existing rockfilled timber crib dam comprised an assessment of the existing dam stability; analysis of the existing hydraulic conditions to establish the...

J. C. Boyle Hydroelectric Project Spillway Model Study
The J.C. Boyle Hydroelectric Project is an 80 MW facility near Klamath Falls, Oregon. The project consists of a concrete canal, tunnel, parallel penstocks and two Francis turbines. Upstream...

Safety Evaluation of PG&E Dams
Pacific Gas and Electric Co. (PG&E) owns and operates 71 hydroelectric power projects in Northern and Central California. With 115 dams in its system, PG&E is the largest...

Ghost Dam Safety Evaluation
Ghost Development, owned and operated by TransAlta Utilities, is near the eastern margin of the Rocky Mountain Foothills, approximately 33 km northwest of Calgary, Alberta. The development...

Geology Related Construction Problems at the Urugua-i Hydroelectric Project
The Urugua-i Hydroelectric Project in north-eastern Argentina consists of an 80 m high roller-compacted concrete dam, 4.4 km long lateral dike, 800 m long power tunnel, and a 120 MW powerhouse....

Newfoundland's First Arch Dam Construction Versus Climate
Paradise River arch dam is located in a narrow box canyon about 50 m deep and less than 10 m wide at streambed. It is a thin arch dam, especially sensitive to temperature loads, thus contraction...

In-Situ Shear Strength Testing
Dam stabilization requirements at the Upper Mechanicville Hydroelectric Project on the Hudson River in New York were significantly modified based on the results of an in-situ direct shear...

The Construction of the Sidney A. Murray, Jr. Hydroelectric Power Plant
The project, consisting of eight 8.2m bulb turbines rated at 192MW, is located in the State of Louisiana and will use a portion of the water diverted from the Mississippi River to the...

The Use of Interior Guide Tube in Cross Flow Turbines
The Cross Flow Turbine has the distinct advantage of lower initial and operating costs over other small scale turbines, but it is believed to lack somewhat in efficiency. In this study...

Feasibility, Licensing and Design: Bradley Lake Hydroelectric Project
This paper describes the licensing, environmental, engineering, and design aspects of the project. Due to the project's remote location and geological setting, the paper will...

Yacyreta Hydroelectric Project Turbine Design
This paper provides general information about this major hydroelectric project on the Parana River on the border between Argentina and Paraguay in South America. In addition, some specific...

Analysis of Concrete Gravity Dams Using Microcomputers
Monenco Consultants Limited has developed a microcomputer program entitled 'DS2' for the stability analysis of concrete gravity dams. This paper discusses this...

Evaluating Uplift Pressures for Concrete Gravity Dams
An approach for evaluating uplift and dam foundation conditions, which resulted from the initial phases of an Electric Power Research Institute (EPRI) study is presented. An earlier study...

Foundation Engineering
Current Principles and Practices
The proceedings of the 1989 ASCE Foundation Engineering Congress (entitled Foundation Engineering: Current Principles and Practices) address advances in the state-of-practice and in research...

Water Beneath the City Streets
Urban groundwater control requires high levels of skill and experience but allows for only a small margin of error. Determining the best method for controlling groundwater requires knowing...

Storing Sediment and Freeing Fish
When Mount St. Helens erupted in May 1980, it sent a river of pyroclastic ash and other debris into Washington's North Fork Toutle River Valley. The resulting debris pile...

 

 

 

 

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