Epoxy used for rehabilitation of large-diameter pipes at treatment plant

Problem:

 A 370-foot 87-by-136-inch elliptical pipe and 541-foot 96-inch-diameter pipe both had severe crown corrosion at the at San Jose Water Treatment Plant. An assessment estimated the remaining service life range of the pipes between zero to 12 years. A high priority was given to performing a structural lining on these pipes.

Solution:

 Michels Pipeline recommended using geopolymer for repairing...