Arizona-based commercial and industrial contractor Primak Construction Group has successfully completed the Design-Build Delivery of two essential support buildings at South32’s Hermosa project near South32 Hermosa, in Patagonia, Arizona.   The 1.34-acre development includes two Mining Infrastructure support buildings: A 6,572-square-foot administrative building A 4,185-square-foot auxiliary building featuring an IT room and ambulance drive bays Buried utilities and associate