Olson - Parallel Seismic (PS) System Brochure

Parallel Seismic is more accurate, more versatile than other nondestructive surface techniques for determination of unknown foundation depths. Parallel Seismic (PS) systems are designed to determine the length and integrity of foundations when the top is not accessible or when the pile is too long and slender to test with echo techniques, or below a buried pile cap. Ultimately, Parallel Seismic testing provides information concerning the length and compressional velocity of foundations and can be used on concrete, wood, masonry, and steel foundations. This method also provides information about the soil below the foundation bottom.