EEI recently performed a geotechnical investigation for National Energy Partners and recommended helical piers for the support of parking lot solar canopies. The project was unusual as the site had been developed on a former municipal landfill so there were several steps required as precaution before the test borings could be performed to ensure the integrity of the site was not compromised.

Showing Removal of Surficial Asphalt.

Showing Restored Test Location to Grade

Showing Dewatering/Clean Fill Placement

Showing Compaction at Existing Grade

Showing Repair of Geogrid

Showing Compaction of Loose Clean Fill

Showing Patching of Geomembrane Cap

Showing Depth of Soft Dig Excavation

Showing Vacuum Removal of Clean Fill

Showing Guide Pipe Installation Profile
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