Liberty Mutual – Hoffman Estates
Hardscape – Liberty Mutual Group, Hoffman Estates, Illinois Problem: Commercial office building was constructed on a landfill site; poor drainage and base condition was resulting in premature pavement deterioration due to heaving and excessive cracking. Storm water permitting and fill disposal restrictions made the cost of a full reconstruction prohibitive. Solution: Our new design attempted to reduce disturbance to the greatest extent possible and installed new subsurface drainage piping to mitigate base saturation. The use of cement soil stabilization improved...