Lancaster Newspaper Parking Structure, Lancaster, PA

  • Provided geotechnical services for the construction of a six-level precast concrete parking structure.
  • Designed a permanent shoring system that would also function as a permanent pressure relief wall which included a soldier pile wall with shotcrete lagging and a soil nail wall with shotcrete facing.
  • Designed the micropile system to support the proposed garage footings on the underlying limestone bedrock.

Three City Center, Allentown, Lehigh County, PA

  • Provided geotechnical services to facilitate the design and construction of the 166,000-SF, seven-story office/retail building in downtown Allentown.
  • GTA was able to provide significant cost-savings through the use of a limited foundation over-excavation/replacement scheme combined with deeper soil improvement/void stabilization through the use of compaction grouting techniques.