An Isolating Authority (ISA) is a competent person with detailed knowledge of facilities in an asset. This role develops the isolation requirement corresponding to their discipline.
ISA can act in the capacity of ISO to install isolations if required.
ENERGY ISOLATION
Roles and Responsibilities
Isolating Operator (ISO)
The person responsible for the field operation of the asset or, in the case of electrical isolations, the field Electrical technician competent to work on electrical facilities with HV electrical isolations requiring additional HV certification.
The ISO cannot be the Job Performer (JP) for the main permit for which the equipment is being isolated.