Freestanding
Freestanding Ground-Mount Solar — Tucson, AZ
Summary
Structural design for a 40 kW ground-mount solar array on driven-pile supports. Designed for wind, drift, and module clip uplift loads.
Scope of work
Analysis
- Wind on inclined surfaces
- Pile lateral capacity
- Module uplift
Design
- W-section purlin
- Driven-pile schedule
- Cross-bracing
Coordination
- Racking vendor
- Pile installer
- AHJ
Constraints & objectives
Use driven piles to skip concrete on the remote site
Match the racking vendor's standard rail spacing
Document the design path for a one-shot AHJ review
What the client said
“Their pile schedule matched what our installer already owned. Zero change orders on the structural scope.”
— Operations Director, Solar EPC