Definitions for "Standard Operating Procedure"
A set of instructions constituting a directive, covering those features of operations which lend themselves to a definite, step-by-step process of accomplishment. SOPs supplement EOPs by detailing and specifying how tasks assigned in the EOP are to be carried out (FEMA definition).
A written set of instructions detailing the normal procedures for operating a piece of equipment.
a prescribed procedure to be followed routinely; "rote memorization has been the educator's standard operating procedure for centuries"