ADU Bore
FORCE MAIN SEWER
GRINDER PUMP TIE-IN
Bay Area, CA
We exposed the existing gravity sewer from the main house, then completed one bore under the driveway and a second bore to the backyard ADU. After installing and connecting the grinder pump system, the project was completed on schedule and without any driveway damage.
Project Scope
Grinder pump basin excavated and set
First bore under existing driveway
Second bore to backyard ADU location
E/One grinder pump installed and tested
Force main connected to gravity sewer
Driveway surface fully preserved
