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MacLean Civil Products Teams with McDowell NW Pile King to Install (42) Helical Combo Piles for a Residential Foundation in Portland, OR

MacLean Power Systems

Civil Products Group

481 Munn Road, Suite 300

Fort Mill, SC 29715


MacLean Power Ssytems - Civil Products Group MacLean Power Ssytems - Civil Products Group

Spring, 2017

1.50” RCS MCP Model D15 Lead with 8”-10” Helix Bearing Plates and 2.875” Sch. 40 Pipe Pile Model P28 Extensions with Square on Square Coupler

The engineering company, VLMK Engineering, determined that a retaining wall and deep foundations were needed to adequately support this new house that was being built on a slope in Portland.  The soil on the site consisted of poorly graded sand and gravel.

(39) vertical helical combo piles were installed in addition to (3) battered piles.  The MPS Civil Products helical combo piles consisted of a 1.50” RCS lead with 8”,10” helix bearing plates and 2.875” round shaft extensions.