Testing and Evaluation of a New Potable Water Pipe Renewal Product

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by Trupti Kulkarni, Research Assistant; Center for Underground Infrastructure Research and Education (CUIRE), The University of Texas at Arlington, 412, S Cooper St, 53, Arlington, TX 76013., truptikul84@gmail.com,
Mustafa Kanchwala, Research Assistant; Center for Underground Infrastructure Research and Education (CUIRE), 402, S Cooper St, 202, Arlington, TX 76013. The University of Texas at Arlington., mustkach@yahoo.com,
Mohammad Najafi, Director of the Center for Underground Infrastructure Research and Education; Department of Civil Engineering, The University of Texas at Arlington, Box 19308, Arlington, TX 76019, U.S.A.., najafi@uta.edu,
Gary Natwig, Technical Manager, Water Infrastructure, 3M Corrosion Protection Products Division, 6801 River Place Blvd, Austin, TX U.S.A.., gsnatwig@mmm.com,
Mario Perez, Safety, Security and Protection Services Business Laboratory, 3M Center, Building 0201-02-N 19, St. Paul, MN 55144, U.S.A.., maperez3@mmm.com,

Document Type: Proceeding Paper

Part of: Pipelines 2010: Climbing New Peaks to Infrastructure Reliability: Renew, Rehab, and Reinvest

Abstract: The American Society of Civil Engineers (ASCE) report card for the year 2009 has graded the nation's infrastructure with a grade of D. Pipelines deteriorating conditions and lack of proper asset management programs have increased the total cost of repair, renewal, and replacement by 38% from $1.6 trillion in 2005 to $2.2 trillion in 2009 (ASCE, 2009). With the current federal program funding addressing only a small portion of the nation's requirements, municipalities and utility owners will have to find more ways to address the renewal of their old and deteriorated pipelines. The causes of pipeline problems are due to a several reasons such as corrosion, soil movements, traffic loads, and operational factors, such as excessive pressures. For potable water pipes, a lining that can resist internal and external pressures as well as address water quality issues will be ideal. The new trenchless technology product, Spray-in-Place Pipe (SIPP) using a polyurea material has been developed to address just that. Additionally, the new polyurea is capable of addressing abrasion and chemical problems. This paper presents an overview of SIPP polyurea lining along with its properties, current testing, design and installation guides, benefits and range of applications. It describes some of the current developments on the long-term tests conducted on several variations of polyurea materials manufactured by 3M Water Infrastructure, such as SIPP 169, SIPP 169HB and SIPP 269. The paper further describes additional tests conducted according to AWWA guidelines. Additionally, an overview of ASTM, AWWA and ASCE standard developments currently underway is presented.

Subject Headings: Pipelines | Drinking water | Pressure pipes | Load factors | Water quality | Linings | Deterioration | Soil pressure |

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