NGL shipments on Sunoco Logistics' Mariner East 1 pipeline and construction work on the Mariner East 2 pipeline have been halted -- again.

This time it's on the order of an administrative law judge with the Pennsylvania Public Utilities Commission. On Thursday, Public Utility Commission Judge Elizabeth Barnes ordered shipments on ME1 to stop as well as construction on ME2 and the nearby ME2X. Barnes said Sunoco had failed to properly warn and protect nearby residents from the pipelines and their dangers.

Despite the order, Sunoco expects to still open ME2 on time -- in the third quarter of 2018.

In her order Ba...