Location
Staten Island, NY
Project Details
Installation of 30″ HOBAS Crossings via guided pilot auger slick bore method under Railroads. HOBAS housed 3@6″, 3@3″ and 2@2″ PVC conduits for a 138KV electric line. Boring operations were progressed on a 24/7 basis. Various obstructions were encountered along the alignment. These obstructions consisted of wood debris and large granitic boulders. Upon completion of each installation, thermal grout was pumped into the annular area between the HOBAs and conduit pipes. Crossing lengths were 180LF under Conrail and 170LF under MTA.
Final Product
138KV Electric Lines
Geology
Clay, Sands, Silts, Boulders
Completion Date
December 2024
Installation Methods
- Auger Boring
Markets Served
