Suffolk County, NY
Installation of two crossings utilizing guided pilot boring. First crossing was 290 LF in length @ .18% slope consisting of a 36” steel casing with a 20” DR-18 carrier pipe. Second crossing was 228 LF in length @ .12% consisting of a 30” steel casing with an 18” DR-18 carrier pipe. Carrier pipes were installed within the steel sleeves on AEI’s custom fabricated rail system. Once carrier pipes were installed the annular area then was filled with grout.
Sanitary Sewer System
- MicroTunneling – Guided Pilot Boring