System strategy
Soldier piles, tiebacks, soil nails, and internal bracing
Service
Earth Retention Systems
Cefali & Associates designs earth retention systems for deep excavations and constrained sites where constructability matters.
When this is needed
Structural engineering for temporary and permanent earth retention systems, including excavation support for complex below-grade work.
Useful when excavation sequencing, adjacent improvements, access constraints, existing structures, or field conditions affect cost, schedule, or buildability.
Site coordination
Temporary and permanent shoring applications
Design delivery
Coordination around adjacent structures, property lines, and transit constraints
Systems and deliverables
Practical outputs for project teams.
Project outputDrawings and calculations
Coordinated design documents and calculations for review, pricing, and construction.
Project outputBid-phase concepts
Early system studies that clarify feasibility before scope and pricing harden.
Project outputConstructability coordination
Details aligned with access, staging, temporary works, and field sequence.
Project outputConstruction-phase support
Responsive engineering through submittals, revisions, and changed conditions.
Related proof
Selected project examples
Private DevelopmentWilshire Grand CenterWilshire Grand Center is a priority proof point for deep excavation support, urban shoring coordination, and transit-adjacent constraints.
Sports and EntertainmentIntuit DomeIntuit Dome is a strong venue project proof point for temporary and permanent shoring, below-grade construction, and heavy construction access constraints.
Transportation and InfrastructureMetro BLOC TunnelMetro BLOC Tunnel supports Cefali & Associates positioning around transit-adjacent work, constrained underground construction, and constructability.
Project intake
Send the site condition before the approach gets locked in.
Plans, soils reports, photos, and rough constraints are enough to start a useful conversation.