Olson Engineering Inc. is hosting a free Webinar, presented by Larry D. Olson, Chief Engineer at Olson Engineering. Mr. Olson is the president and owner of Olson Engineering Inc and Olson Instruments Inc and has 40 years of consulting experience in structural condition assessment, geotechnical, pavement, materials, geophysical and vibration engineering.

Mr. Olson will discuss Olson Engineering’s experience evaluating concrete and masonry dams. The presentation will review the following test methods:

• Impact Echo for concrete/thickness integrity
• Spectral Analysis of Surface Waves for freeze-thaw and ASR cracking
• Sonic Pulse Velocity for cross dam velocity tomography
• Slab Impulse Response for spillway subgrade support
• Ground Penetrating Radar for rebar mapping and spillway support