HOUSTON, Sept 10 (Reuters) - Shell Plc ( SHEL ) plans to

run the 233,702 barrel-per-day (bpd) Norco, Louisiana refinery

at full rates through Tropical Storm Francine, two people

familiar with plant operations said on Tuesday.

A designated group of employees, called the ridethrough

crew, will operate the refinery beginning early on Wednesday,

the sources said. Shell began sending all other workers home

from the refinery at noon CDT (1700 GMT) on Tuesday.