and Seal Beach officials. The ….
and Seal Beach officials. The first subcontractor was unable to bore the new line through freeway subbase. Subbase is a layer of aggragate material to protect pavement and improve the application of subsequent pavement layers.
After more soil tests and hiring a second subcontractor, the crew was able to bore the line through the freeway subbase at Old Ranch Parkway to North Gate Road. A new manhole

