Reducing Maintenance Costs of Irrigation Systems
Reducing the costs of maintaining an irrigation water delivery system is becoming more important as the financial problems of the irrigators become more critical. The maintenance costs...
An Integrated Rehabilitation Procedure for Gravity Systems
Demands for an improved system combined with a more adjusted management mode are common in many projects where limited or strained budgets do not allow for a regular and secure water supply....
Operation of Glen Canyon Dam during 1983 and 1984 and the Repairs of Glen Canyon Spillways (
The gates at Glen Canyon Dam were closed in the spring of 1963 and the reservoir did not fill until the summer of 1980. The spillways were tested in 1980 with only slight evidence of operational...
Liberty Restored
The Outstanding Civil Engineering Achievement of 1987 is the restoration of the Statue of Liberty in New York Harbor. The restoration work included many engineering tasks that by themselves...
Queensboro Bridge Inspection and Rehabilitation
An in-depth inspection of the Queensboro Bridge revealed deterioration of certain elements on the lower level of the main bridge. These elements include the outer roadway cantilever brackets,...
Rehabilitation of the SF Calawah River Bridge
The failure of a 4-span reinforced concrete bridge in Washington State initiated a study that ultimately led to a unique method of bridge rehabilitation. Severe scour resulted in settlement...
Planning, Operation, Rehabilitation and Automation of Irrigation Water Delivery Systems
The papers included in this book were presented at the ASCE conference on planning, operation, rehabilitation and automation of irrigation water delivery systems. The conference and this...
Rehab Roundup
Four recent rehabilitation projects are described. On an old concrete gravity dam, post-tensioning tendons were added to improve its resistance to sliding. The abandoned Union Station...
Connecticut: A Success Story
The Connecticut Department of Transportation (ConnDOT) had warned the state legislature that its highways and bridges would continue to deteriorate without increased funds for inspection,...
Water Supply System Rehabilitation
This report was prepared to assist practicing engineers meet the challenge of rehabilitating old drinking water systems, many of which have been in existence for over 100 years and are...
Lemon Dam Hydropower Project
The Florida Water Conservancy District (District), the entity responsible for the operation of the dam and for repayment of the costs, had been interested in the hydropower potential of...
Mini Hydro at the Hackett Mills Project
The project includes rehabilitation of a timber crib dam and the first use of a Right Angle Drive turbine in the United States to generate power from the 16 feet of head available at the...
The Ruedi Project?A Case Study
Ruedi Dam is a 285' high earthfill structure constructed in 1968 by the Bureau of Reclamation as part of the Fryingpan-Arkansas Transmountain Diversion Project. In November...
Planning & Execution for Rehabilitation of Large Francis Turbine/Generator Units
This paper highlights some of the constraints in planning and execution of rehabilitation work which must be carried out within an extremely tight schedule, dictated by hydrological considerations...
Retrofit Hydropower at Corps of Engineers' Dams
The Sacramento District of the U. S. Army Corps of Engineers is responsible for the review of retrofit hydropower by non-federal entities at 14 dams in the District. This review actually...
Addressing Legal Issues in Municipal/Private Cooperative Ventures
The authors were directly involved in negotiating the first contract between a public body and a private developer for the rehabilitation and operation of a hydroelectric project in the...
Retrofitting Outlet Works of Existing Dams for Hydropower
This paper deals with three small hydroelectric plants installed at existing dams in California with moderately high heads (about 200 feet). In each case there was an overriding need to...
Dam Safety Rehabilitation at Selected TVA Hydroelectric Projects
In response to President Carter's 1976 memorandum to all Federal agencies with responsibility for dams to develop and implement formal guidelines for dam safety, TVA restructured...
Safety of Dams Activities in the Bureau of Reclamation Lower Colorado Region
In the Lower Colorado Region of the Bureau of Reclamation (BuRec), there are presently eight BuRec dams and one Bureau of Indian Affairs dam being modified or studied for modification...
Experiences During Overhaul of Hydroelectric Units
This paper describes some of the conditions found during major overhaul of main units at two hydroelectric power plants. Problems encountered and their solutions are described. The effects...
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