The first step in the repair process was to seal the cracks. Leaking cracks were repaired by injecting SikaFix HH, an expanding polyurethane foam grout. Non-moving, dry cracks were repaired by first sealing the face of the crack with Sikadur 31 Gel and then injecting Sikadur 52 epoxy resin into the crack. Based on the depth of deterioration, it was determined that the resurfacing effort would require the application of a repair mor- tar that

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