180701 9484r

Roy Hill track formation near the 63 km. Sleepers are moulded IT for Italian Thai DPC Ltd of Thailand who manufactured them, 14 for year of manufacture and then a serial number. The rail is moulded 136 10 VT NIPPON 2014 4 which translates to 136 Ib/yard (or 68 kg/m), 10 for Low Alloy, VT for processes of hydrogen elimination as Vacuum Treated, NIPPON is the manufacturer Nippon Steel, Japan, 2014 year rolled and 4 is month rolled.