Description
The Work of this project provides for the furnishing of all labor, materials, appliances, tools, equipment and plant, and the performing of all Work in accordance with these specifications and drawings, with exception of work that is expressly and specifically not included in the project. The project shall rehabilitate the cast in place concrete tunnel walls for the underground section of the track. Multiple repair types have been identified for size and severity of cracking. Work shall include, but not be limited to: • Crack injection utilizing epoxy for dry cracks. • Crack injection utilizing polyurethane for crack with active water leakage. • Curtain Grouting for high frequency cracks with active water leakage. • Isolated grouting for isolated cracks with active water leakage. • Repairs of spalled Concrete using Class D repair. • Providing weepholes to address water pressure buildup and divert water to the existing drainage system.
Attached files
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