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Cathodic Protection Retrofit for Rehabilitation of Aging Reinforced Concrete Municipal Water Infrastructure: A Case Study

Picture for Cathodic Protection Retrofit for Rehabilitation of Aging Reinforced Concrete Municipal Water Infrastructure: A Case Study
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Reinforced concrete towers in a water reservoir contain gates and the equipment to control the water entering the system. Any interruption in the operation of these towers may cause a huge disruption in the municipal water distribution system. Continuous operation in an aggressive environment often contributes to corrosion of aging water infrastructure. A failure due to corrosion would necessitate extensive repair or replacement costs and unacceptable system downtime. This paper presents a case study focused on a comprehensive condition assessment and corrosion mitigation of an aged forebay outlet tower in Southern California. The inspected tower - in operation since 1941 - is a crucial structure in a water distribution system serving most of the 19 million people in Southern California. The tower illustrated significant concrete deterioration and corrosion of the reinforcement above the operating water surface elevation. An impressed current cathodic protection (ICCP) system was designed and installed on the tower to extend the life of the structure. Field activities and ICCP installation were dictated by restricted shutdown schedules and operational constraints. The paper addresses the methodology for condition assessment and cathodic protection design as well as challenges encountered due to schedule/operational constraints.

Product Number: 51319-13002-SG
Author: Mersedeh Akhoondan
Publication Date: 2019
$0.00
$20.00
$20.00
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Retrofit and Management of Water Pipelines with Cathodic Protection: Case Studies

Product Number: 51317--9089-SG
ISBN: 9089 2017 CP
Author: Mersedeh Akhoondan
Publication Date: 2017
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Corrosion of metallic pipelines is a significant source of failures to drinking water utilities. Cathodic Protection has been used for buried metallic pipelines for decades but not widely used in the water industry. Preliminary findings of the on-going Water Research Foundation project.

 
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03710 INTERFERENCE TESTING AND CASE HISTORIES

Product Number: 51300-03710-SG
ISBN: 03710 2003 CP
Author: Jeffrey L. Didas
Publication Date: 2003
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Interference Testing is a task learned through education and experience and is one of the basic skills of Cathodic Protection Personnel. This paper will discuss interference testing and present some case histories, of basic static interference situations and the mitigation methods used.
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51312-01608-In-Line Cathodic Protection Current Measurement - A Case Study

Product Number: 51312-01608-SG
ISBN: 01608 2012 CP
Author: Dennis C. Janda
Publication Date: 2012
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