Featured Projects

View our latest and featured projects below.

Y113474 2011 10 07 IMG 2525

Foundation Underpinning — Oregon Coast

Ground cracking and movement along a wood post and lagging wall adjacent to a high, steep slope was impacting a residential home site on the Oregon coast.

HGSA conducted an engineering geologic investigation using test pits for subsurface…

20130813 142221 CROP

Retaining Wall Replacement — Oregon City

Residential home site on a moderately steep hillside in Oregon City, Oregon needing retaining wall replacement.

A decades old, wood post and lagging wall approximately 7 to 15 feet high was present along the east side of Peter Skene Way adjacent to the subject home. Materials…

IMG 3122

Riprap Revetment Replacement — Gleneden Beach

Two adjacent residential home sites on an approximately 70 feet high oceanfront bluff slope in the Gleneden Beach area of Lincoln County, Oregon were experiencing bluff erosion.

This beachfront area experiences active erosion and impacts…