Dorj Inc.


Diamond Crossing Ramp Design

Diamond crossings with proper ramp design are capable of reducing wheel impact loads by an excess of 20%. Contact us regarding your diamond crossing troubles.

Post Construction Survey

We offer third-party post construction surveys to determine the quality of your Contractor's track construction work.

Rail Weld Testing

Aluminothermic (thermite) and electric (flash-butt) welds have a failure rate of 5% and 0.1%, respectively. We offer third-party in-situ non-destructive testing via magnetic particle and ultrasound testing to ensure weld integrity.