scope:

PURPOSE

This Instruction establishes the minimum safety requirements for service and maintenance of machines and equipment in which the "unexpected" energization or start up of the machines or equipment, or the release of stored energy, could cause injury to employees.

APPLICABILITY

These requirements are applicable to all Marshall Space Flight Center (MSFC) employees, contractors, and subcontractors performing work at MSFC. The exceptions to this Instruction are:

Normal production operations, minor tool changes, and adjustments that take place during normal production operations, unless the servicing and maintenance require the employee to remove or bypass a guard or safety device, or to place any part of his/her body in a point of operation.

Cord and plug connected equipment, if the equipment is unplugged and the plug is under the exclusive control of the employee during service or maintenance work.

Hot tap operations involving transmission and distribution systems, if continuity of service is essential. Usually at MSFC, these operations are performed by the U.S. Army organization.