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Case Study: Solar Systems

solar panel

Solar Systems in the Sunshine State
St. Petersburg, Florida

Engineering: Solar Design Group – Allen Gezelman, LEED AP, CSI-CDT
Geotechnical Engineers: Driggers Engineering – St. Petersburg, FL
Contractors: Solar Source – Largo, FL and PCM Solar – Pinellas Park, FL


Install Renewable Energy System
– St. Petersburg College


Ground Mounted System
Need: Installation of foundation system and erection of VSP’s for the framework to be attached.


New Foundation design by Engineer Allen Gezelman PE
Specification: 8 HPM’s to a 21′ depth per the diggers soils investigation with a 16″ Sonotube 4′ in length to support the 8′ diameter VSP’s (Vertical Support Pipe)


  • In 3 days the foundation was installed for stell framing
  • Substatial cost savings: Reduction in foundation material and time
  • Completion date set in stone and was met on time which avoided any grant funds being revoked from the power company