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Assessing and Sharing Success: Comparing Program-wide Corrosion Engineering Service benefits

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This paper focuses on a case history and projects that involve both multiple design teams and contractors to demonstrate how establishing a centralized corrosion control program benefits the utility owner, and to also point out the challenges.

Product Number: 51317--9144-SG
ISBN: 9144 2017 CP
Author: Jeffry Giddings
Publication Date: 2017
Industry: Water/Wastewater
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Assessing and Sharing Success: Comparing Program-wide Corrosion Engineering Service benefits against individual project design packages.The Tarrant Regional Water District (TRWD) with the City of Dallas Water Utilities (DWU) are currently engaged in the planning design and implementation of a 350 MGD raw water transmission system which will run across north central Texas from Lake Palestine to Lake Benbrook with connections to Cedar Creek Reservoir Richland Chambers Reservoir and a Dallas delivery point. Collectively the system consists of approximately 145 miles of 84-inch to 108-inch pipeline a 5-mile 120-inch diameter tunnel six 100-350 MGD pump stations one 450 MG balancing reservoir and ancillary facilities. The program developed by TRWD to accomplish these improvements is called the Integrated Pipeline Project (IPL). To increase consistency in the project approach to corrosion control the IPL project decided to incorporate and contract for Program wide Corrosion Control services rather than for each individual project or design package.The Program Wide Corrosion Control approach was unique and beneficial but not without its challenges during the design. In this presentation the authors will detail the lessons learned from the program and the process from materials to coatings to cathodic protection. The importance of planning communicating challenging procuring and verifying the design alternatives in light of changing situations and needs will be identified and comparisons from an individual project to program wide approach made. The analysis understanding and philosophy is being extended into construction phase services and these lessons will also be presented.Graham Bell HDRJoe Weaver TRWDMatt Gaughan IPL

Key words: Corrosion Management, Planning, Development, Implementation, program-wide services, success, benefits, advantages

Assessing and Sharing Success: Comparing Program-wide Corrosion Engineering Service benefits against individual project design packages.The Tarrant Regional Water District (TRWD) with the City of Dallas Water Utilities (DWU) are currently engaged in the planning design and implementation of a 350 MGD raw water transmission system which will run across north central Texas from Lake Palestine to Lake Benbrook with connections to Cedar Creek Reservoir Richland Chambers Reservoir and a Dallas delivery point. Collectively the system consists of approximately 145 miles of 84-inch to 108-inch pipeline a 5-mile 120-inch diameter tunnel six 100-350 MGD pump stations one 450 MG balancing reservoir and ancillary facilities. The program developed by TRWD to accomplish these improvements is called the Integrated Pipeline Project (IPL). To increase consistency in the project approach to corrosion control the IPL project decided to incorporate and contract for Program wide Corrosion Control services rather than for each individual project or design package.The Program Wide Corrosion Control approach was unique and beneficial but not without its challenges during the design. In this presentation the authors will detail the lessons learned from the program and the process from materials to coatings to cathodic protection. The importance of planning communicating challenging procuring and verifying the design alternatives in light of changing situations and needs will be identified and comparisons from an individual project to program wide approach made. The analysis understanding and philosophy is being extended into construction phase services and these lessons will also be presented.Graham Bell HDRJoe Weaver TRWDMatt Gaughan IPL

Key words: Corrosion Management, Planning, Development, Implementation, program-wide services, success, benefits, advantages

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