Experienced Geotechnical Contractors helitechccd.com 1-800-246-9721 PROJECT CASE STUDY © Helitech CCD 2015 EARTH SHORING GROUND IMPROVEMENT DEEP FOUNDATIONS AGGREGATE PIERS / VSCs MICROPILES GROUTING Sector: Warehouse Description A proposed new structure consisted of a 400 x 600 foot warehouse with column supports on a 40 x 40 foot grid. The new warehouse features an open bay structure with lightly loaded columns and a floor slab supporting heavily loaded storage racks. Typical column loads being 56 kips, and rack loading on the floor slab in the range of 1,000 psf. Requirements & Challenges The existing soils consisted of fill material variable in depth across the project site, with a soft alluvial material underneath and extending to depths approximately 35 feet be

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