Case Study
Roslyn Viaduct
' Owner: New York State Department of Transportation, Albany, NY ' General Contractor Tully Construction Co., Flushing, NY ' Technique(s) Utilized: Micropiles PROJECT CASE STUDY icholson, in joint venture with Moretrench, in- stalled 823 micropiles for a $127 million bridge replacement project. The micropiles were 12 ¾ inches in diameter and 70 feet in length. The project also in- cluded some soldier pile and lagging work, 35 tiebacks,