Water Main Rehabilitation Using Silicote Lining

by Steven E. Cooper, Louisville Water Co, Louisville, United States,
Gregory C. Heitzman, Louisville Water Co, Louisville, United States,

Document Type: Proceeding Paper

Part of: Water Resources Planning and Management: Saving a Threatened Resource—In Search of Solutions


In an attempt to find a cost effective rehabilitation alternative for over 320 miles of unlined distribution water main, the Louisville Water Company has evaluated a new rehabilitation technique known as Silicote lining. This paper documents the results of the November 1990 pilot project involving Mainlining Services, Inc. and the Louisville Water Company. Silicote lining is a proprietary process intended to provide the benefits of an alkaline pipe lining and returning water service to customers within an eight-hour time period. Silicote is much faster curing concrete than conventional Portland cement. By completing all aspects of this rehabilitation work within an eight-hour time period, it may be possible to avoid costly temporary by-pass service installations.

Subject Headings: Water supply systems | Rehabilitation | Silica | Linings | Water pipelines | Alkalinity | Client relationships | Curing

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