D/B Replace & Repair Patio & Door VOQ Rm 595, Bldg. 13864, Vandenberg AFB, CA

Project was a design build contract for the US Air Force to remove existing patio concrete slab, trim, cut, and remove roots adjacent to patio and under concrete slab, grind concrete upheaval under sliding door frame to provide a flat surface for new sliding glass door and frame, over excavate soil, re-compact, and pour an new patio concrete slab.