30th and Broadway, LLC retained Cornerstone Earth Group, Inc. to provide geotechnical engineering and construction services for a new retail development consisting of one-story of retail building supporting roof-top parking. The development has a footprint of approximately 26,200 square feet in the retail anchor building and approximately 9,945 square feet in the retail shops area. Parking is provided at at-grade areas as well as an elevated garage roof deck that partially covers the retail space.