Li#ga#on  Case  Study   Helfrich-Associates engineering expertise was needed for a 2008 litigation case be- tween a Coachella Valley city and a contractor of a senior citizen development. Ground settlement was at the heart of this case. More than 12 inches of street settlement with continuing 0.2 inches per year of settlement and more than seven inches of building tilt with continuing tilt of 0.7 inches were occurring since project completion

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