A day's work on the public roads shall consist of at least 8 hours' actual labor, exclusive of the time spent in going to and returning from the work, and in no case shall pay be given for more than 1 day's time between sunrise and sunset of the same day, to or for the same person. In cases of emergency, however, more than 8 hours' labor shall be performed, and the persons so performing such labor shall be compensated for the time spent.
NRS 404.210