<Tr> <Th> Expected </Th> <Td> 2019 </Td> </Tr> <Tr> <Th_colspan="2"> Technical information </Th> </Tr> <Tr> <Th> Length </Th> <Td> 1,897 km (1,179 mi) </Td> </Tr> <Tr> <Th> Diameter </Th> <Td> 36 in (914 mm) </Td> </Tr>

Who made the pipe for the keystone pipeline