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Turbine Intake Modification for Fish Passage
This paper describes one solution the U. S. Army Corps of Engineers has found to improve juvenile fish guidance at Bonneville Second Powerhouse on the Columbia River. Juvenile fish passage...

Waterstop Technology?The Next Chapter
Water leakage through and around failed waterstops in concrete structures can cause serious flooding, damage to equipment, affect structural stability, and pose potential safety problems....

Lake Tap?Crater Lake
The Crater Lake Phase of the Snettisham Hydroelectric Project has been designed and is currently under construction. This paper describes the design and construction of the lake tap which...

Frazil Ice Control Using Electromechanical Cibrators and Ice-Resistant Coatings
Two methods, using electromechanical vibrators and ice-resistant coatings, were studied in a small-scale test conducted at the U. S. Army Cold Regions Research and Engineering Laboratory...

Osoyoos Lake Control Structure
The new Osoyoos Lake Control Structure has been built on the Okanogan River at Oroville, Wa. The site is about 2 miles downstream from the outlet of Osoyoos Lake, and about 9 miles south...

High Pressure Grouting of the Bath County Tunnel System
A major grouting program was completed at the Bath County Pumped Storage Project between March and September 1985. High pressure grouting for seepage reduction was completed in a total...

Research and Development Program on Small Scale and Low Head Hydro by the Canadian Government
In July 1985 the Canadian Department of Energy, Mines and Resources (EMR) was assigned the responsibility for the federal support program for renewable energy R&D in Canada. In...

The Impact of Inlet Flow Characteristics on Low Head Hydro Projects
This paper discusses the intake civil designs, addressing head loss and flow distribution into the turbine intake. The impact of poor flow quality on head losses, turbine performance,...

Analysis of Hydraulic Transients for Design and Operation of Two Powerhouses in Series
The Dinkey Creek Project will be located in the southern Sierra Nevada mountains 40 miles north-east of Fresno, California, and will develop about 4000 ft of gross head with a maximum...

Design and Operation of a Differential Surge Tank
The differential type of surge tank is more effective in operation than the simple type because it reacts more quickly to load changes of all sizes. The differential tank is also usually...

Headrace Design Studies for the Jim Falls Hydro-Redevelopment Project
The 48 MW Jim Falls Hydropower Redevelopment project on the Chippewa River, Wisconsin, required extensive model studies to facilitate debris sluicing and to prevent intermittent vortex...

Mountain Jungle Intakes?Design and Model Study
Nine intakes of various sizes and designs supply water to the two high head power plants in the Sungai Piah Hydroelectric Development in Malaysia. The intakes are located on steep mountain...

Hydraulic Design and Performance of Discharge Facilities at Revelstoke Project
Revelstoke Project is located in southeastern British Columbia on the Columbia River, 130 km downstream of the Mica Dam and approximately 5 km north of the City of Revelstoke. The project...

Layout of a Powerhouse Adjacent to Lock and Dam Structures
An approach flow to a powerhouse intake adjoining existing lock and dam structures may cause a significant reduction in the efficiency of the powerhouse and give rise to an economically...

Model Studies for Potential Modification of Pardee Spillway
East Bay Municipal Utility District, a public water supply agency in the San Francisco Bay Area, is examining the spillway adequacy of its primary water supply reservoir. Flood routing...

Application of Split Roller Bearings in Small Vertical Hydro Turbines
The elimination of lower turbine bearing problems with regard to reliability and water flow contamination was the main concern of this project. A design was needed that would fit the existing...

Free-Rotor, River-Velocity Turbine
This paper discusses the development of a very simple and inexpensive underwater turbine which will extract power ranging from a fraction of a HP up to 20 HP from the velocity of the running...

Bureau of Reclamation Uprating Program
The Bureau of Reclamation is an agency of the Department of the Interior and was established in 1902 to oversee the development and conservation of the Nation's water resources...

The Design of the Nanpil River Hydropower Project
In 1980, the State of Pohnpei (then spelled Ponape) asked the Pacific Ocean Division of the U. S. Army Corps of Engineers to investigate the feasibility of constructing a hydroelectric...

Fire Protection at the Grand Coulee Hydro Project
In the fall of 1980 a rupture of one of the Project's 525kV transmission cables occurred and created a fire. Power from three Third Powerplant 700MW units was interrupted,...

 

 

 

 

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