2.4 Operating Procedures
29 CFR 1910.119 (f)
The employer shall develop and implement written operating procedures that provide clear instructions for
safely conducting activities involved in each covered process consistent with the process safety information and
shall address at least the following elements.
Steps for each operating phase:
Emergency shutdown including the conditions under which emergency shutdown is required,
and the assignment of shutdown responsibility to qualified operators to ensure that emergency
shutdown is executed in a safe and timely manner.
Normal shutdown; and,
Startup following a turnaround, or after an emergency shutdown.
Consequences of deviation; and
Steps required to correct or avoid deviation
Safety and health considerations:
Properties of, and hazards presented by, the chemicals used in the process;
Precautions necessary to prevent exposure, including engineering controls, administrative
controls, and personal protective equipment;
Control measures to be taken if physical contact or airborne exposure occurs;
Quality control for raw materials and control of hazardous chemical inventory
Any special or unique hazards.
Safety systems and their functions.
Operating procedures shall be readily accessible to employees who work in or maintain a process.
The operating procedures shall be reviewed as often as necessary to assure that they reflect current operating
practice, including changes that result from changes in process chemicals, technology, and equipment, and
changes to facilities. The employer shall certify annually that these operating procedures are current and
The employer shall develop and implement safe work practices to provide for the control of hazards during
operations such as lockout/tagout; confined space entry; opening process equipment or piping; and control over
entrance into a facility by maintenance, contractor, laboratory, or other support personnel. These safe work
practices shall apply to employees and contractor employees.
Operating procedures are an important tool for achieving safe, consistent, and efficient process
operation. Process procedures differ from many procedures because they cover all phases of
operations. They must discuss operating limits, the consequences of deviating from these limits,
and recovery from deviations. Procedures must address normal, abnormal, and emergency
conditions to prepare workers for any event that may reasonably occur. Administrative and
special engineering control measures, as well as required monitoring and surveillance equipment
must be described.