2225 Collett Ave, Corona, CA 92879
Vista Monterey Soil Nails
Corona, California: top-down soil nail walls with soldier pile transitions where nail easements were unavailable.
A new basement, retaining-wall replacement, or foundation cut in Pleasant Hill can need temporary support beside an existing structure or property line. Cefali & Associates provides earth shoring engineering through our Northern California office at 2800 Pleasant Hill Road, Suite 225.
The office supports project discussions in Pleasant Hill and the wider region. Our documented California comparisons below concern construction in Corona and Inglewood, where property rights and access changed the support arrangement.
Excavation and construction
A replacement wall has an excavation behind it
Removing an existing retaining wall can expose ground before its replacement has a footing or enough strength to retain it. The temporary support may need to remain while drainage and backfill are installed. A finished wall section alone does not describe those earlier stages.
Cefali designs support using the retained heights, nearby foundation loads, and geotechnical recommendations. Pleasant Hill publishes separate building application and plan-submittal resources; the structural drawings need to describe the proposed work rather than treating temporary shoring as an installation detail left unresolved.
Excavation and construction
Property lines limit nails and anchors
Soil nails and tiebacks extend behind the retaining face. A wall inside the lot can still depend on space outside it. Where that space is unavailable, a different wall arrangement or internal bracing may be considered, with consequences for access and the permanent foundation work.
At Vista Monterey in Corona, Cefali’s soil nail walls transitioned to soldier piles where nail easements were unavailable. At the Intuit Dome entrance tunnel in Inglewood, cross-lot braces kept the support within the excavation and above truck traffic. Send the available plans and site information to discuss the support footprint with our Pleasant Hill team.
Comparable California projects
Experience with constrained excavation.
These documented projects show the engineering and construction conditions. Each example identifies its actual location.
3930 W. Century Blvd., Inglewood, CA 90303
Intuit Dome
Inglewood, California: entrance-tunnel cross-lot braces above the truck route where tieback agreements were unavailable.
Engineering scope
From a support concept to structural details.
A concept for bidding, detailed drawings and calculations, and engineering for construction-stage changes can be separate assignments. The proposal identifies the services included. Geotechnical assessment, water-control design, property rights, and contractor installation remain distinct responsibilities.
See our shoring engineering services, temporary shoring design, soldier pile walls, tieback shoring, and soil nail walls.
Northern California office
2800 Pleasant Hill Road, Suite 225Pleasant Hill, CA 94523
Planning resources