I apologize, but the file referenced (GMR25_Appendices_Package_REQUIRED.pdf) is not actually present in the text provided. The text only contains a description of the Gas Main Replacement Project 25 from the state local contract opportunity description. Without the actual file contents, I cannot summarize its specific details.
The available information indicates this is a gas main replacement project in California involving approximately 25,600 linear feet of gas main pipelines with 2-inch, 4-inch, and 6-inch diameters. The project will replace pipelines under Matadero Creek and Barron Creek along Ross Road, using Polyethylene (PE) and PVC materials. The project has been awarded a federal grant from the Department of Transportation for Natural Gas Distribution Infrastructure Safety and Modernization.