Project Summary
The City of National City is upgrading portions of the community’s sewer system to improve reliability and capacity. The scope of work will remove and replace the existing 6-inch sewer main with new 8-inch and 10-inch SDR PVC pipe along E. 4th Street and Harbison Avenue. Work will include replacement of existing sewer manholes, mainline segments, laterals, and clean outs, as well as associate concrete and roadway pavement improvements.
Timeline
See the project timeline below for P2 Sewer Upsizing Project.
Funding
See the funding sources below for P2 Sewer Upsizing Project.
Project Updates
DATE:
January 28, 2026
UPDATE:
Past 2 weeks
- Contractor completed sewer main replacement, sewer lateral replacement, and installation of one new sewer manhole
- Contractor completed trench paving restoration
2-Week Look Ahead
- Contractor will continue to remove and replace the existing sewer main, laterals, and manholes
- Contractor will continue to perform trench paving restoration
Locations Impacted
- E. 4th Street and adjacent streets
Project Team
Contractor:
Company Name
Contact Name
Address
City, State, Zip
Phone
Email
Project Manager:
Project Professionals Corporation
Josh Johnson, PE
4700 Spring Street, Suite 100
La Mesa, CA 91942
858.634.8180
Administrator:
City of National City
Steve Manganiello, TE
1243 National City Blvd
National City, CA 91950
619.336.4380