Verification of ZERO ENERGY STATE (ZES)

Verification by the authorized employee that the previous steps of the procedure have effectively isolated the machine or equipment must be done prior to starting the servicing or maintenance work.  The authorized employees need to verify that:

1. the machine or equipment has been turned off or shut down properly;
2. all the energy-isolating devices were identified, located, and operated as needed;
3. the LOTO devices have been attached to the energy-isolating devices; and
4. the stored energy has been rendered safe.