This design-bid-build project was for the repair by replacement of over 2,800 feet of 10″ waterline by both open cut and trenchless methods at Naval Air Station, China Lake. The watermain ran underneath the 395 Highway which is a major arterial highway connecting Reno, Nevada to the greater Southern California Area. Due to the location of the project, it was not feasible to shut the 395 down and give adequate warning to motorists, who would have entered the high hundreds of miles before.
To replace the watermain under the highway, Orion utilized a jack and bore method to tunnel underneath the highway and install 575LF of 24″ steel casing. The balance of the watermain was replaced using traditional open-cut methods.