Relining a Relic

by William A. Kane, P.E., (M.ASCE), Sr. Program Mgr.; Massachusetts Water Resources Authority, Boston, MA,
David S. Belknap, P.E., (M.ASCE), Proj. Mgr.; Black & Veatch, Boston, MA,
Ahmad Habibian, P.E., (M.ASCE), Pipeline Rehabilitation/Trenchless Technology Specialist; Black & Veatch, Gaithersburg, MD,


Serial Information: Civil Engineering—ASCE, 1999, Vol. 69, Issue 7, Pg. 36-41


Document Type: Feature article

Abstract:

By the mid-1980s most of the Boston Low Service water supply network had been in operation for more than 100 years�with little regular maintenance. Many of the system's air valves, blowoffs, and line valves had become inoperable, and portions of the network could not be isolated for maintenance or emergency repair because the valves were in such poor condition. After confirming the structural integrity of the system, Black & Veatch engineers rehabilitated most of the system through cleaning and cement mortar lining. One portion of the network was also sliplined.

Subject Headings: Valves | Maintenance and operation | Water supply systems | Water supply | Rehabilitation | Pipe cleaning | Mortars

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