DOE-0343, Rev 2
Effective Date: January 18, 2010
Page 1 of 6
The purpose of this procedure is to ensure that all employees are given the responsibility and
authority to stop work when employees believe that a situation exists that places them, their
coworker(s), contracted personnel, or the public at risk or in danger; could adversely affect the
safe operation or cause damage to the facility; or result in a release of radiological or chemical
effluents to the environment above regulatory requirements or approvals; and provides a method
to resolve the issue (see Appendix A). Maintaining a diligent questioning attitude is vital to safe
execution of work-scope and is a cornerstone to effective Conduct of Operations and Integrated
Portions of this procedure implement requirements of the Worker Safety and Health Program
Plan for compliance to 10 Code of Federal Regulations (CFR) 851, "Worker Safety and Health
Program" and are bracketed in the text. This procedure also implements the "Stop Work and
Shutdown Authorization" clause included in section H of each of DOE's Prime Contracts (see
This procedure extends the authority to stop work to situations where an employee believes there
is a need to clarify work instructions; or to propose additional controls.
This procedure is applicable to all contractors and subcontract personnel working at the Hanford
In supporting safe execution of work, all personnel, have the following responsibilities [10 CFR
The responsibility and authority to stop work or decline to perform an assigned task
without fear of reprisal, to discuss and resolve work and safety concerns. The Stop Work
may include discussions with co-workers, supervision, or safety representative to resolve
work related issues, address potential unsafe conditions, clarify work instructions,
propose additional controls, etc.
The responsibility and authority to initiate a Stop Work IMMEDIATELY, without fear of
reprisal, when the employee believes a situation exists which places himself/herself, a
coworker(s), or the environment in danger or at risk.
The responsibility to report any activity or condition the employee believes is unsafe or
for which they have initiated a Stop Work. Notification should be made to the affected
worker(s) and to the supervisor or their supervisor's designee at the location where the
activity or condition exists.
Stop Work DOE-0343, Rev 2 Effective Date: January 18, 2010 Page 1 of 6 1.0 PURPOSE The purpose of this procedure is to ensure that all employees are given the responsibility and authority to stop work when employees believe that a situation exists that places them, their coworker(s), contracted personnel, or the public at risk or in danger;