Northern Boulevard Queens ground freezing support

Tunnel Talk “Work progresses on the final lining of the short 120ft (36m) NATM tunnel under Northern Boulevard in Queens, New York on the East Side Access subway project. Construction required a complex ground-freezing program designed and executed by Moretrench to support excavation below an active subway, a six-lane roadway and an elevated subway line all stacked one on top of the other. During a site visit to the project the final lining waterproofing membrane … Read more

Ground freezing – Papers

Figure ground freezing with liquid nitrogen Construction dewatering and ground freezing Professor Kamran M. Nemati. University of Washington. “This manual was prepared by the Office of Environmental Engineering, California Department of Transportation (Caltrans). The manual establishes uniform policies and guidelines to support dewatering operations on construction sites. It is neither intended as, nor does it establish a legal standard for those functions. The guidelines herein are for the information and guidance of the resident … Read more