Fabricating 36-in. Reinforced Concrete-Steel Cylinder Water Mains
J. F. Brett
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Details of fabrication of approximately 60,000 lin ft of 36-in. water main designed for an operating pressure of 120 psi for the metropolitan of Montreal. straight pipes consisted of system shell on which a spiral of a steel cylinder wound, after placing a 1 1/4 in. inside lining reinforcing cage is trifugation. An outside lining 2 1/4 in. thick placed with vibrators.