Experiment Hazard Class 5.3 High Pressure Vessels

Applicability

This hazard classification applies to working with pressure vessels and systems. Other hazard classifications and associated controls may apply to experiments in this hazard class.

Experiment Category

Experiments involving previously reviewed hazard controls are catergorized as medium risk experiments.

Experiments involving new equipment, processes or materials, or modified hazard control schemes are categorized as high risk experiments.

Hazard Control Plan Verification Statements

Engineered Controls – The establishment of applicable controls in accordance with the (American Society of Mechanical Engineers) ASME Boiler and Pressure Code, ASME B.31 Piping Code and applicable federal, state, and local codes.

Procedural Controls – Inspections and examinations of materials, in-process fabrications, nondestructive tests, and acceptance tests. Documentation of the history of the vessel must be kept. To be included in the documentation is design and operating parameters, testing requirements, repair history, and procedures.

Design Reviews and Equipment Inspections – Design drawings and calculations must be reviewed. Competent pressure system safety personnel must review pressure systems. Assistance may be obtained via the ANL Pressure Technology and Safety Committee (PTSC). The information needed for the safety review of the pressure equipment is contained in the APS Documentation Requirements for Pressurized Experiment Apparatus.

Training –Equipment manufacturer's guidelines, PTSC recommendations, operating procedures

Signs and Labeling – Identification of capacity, use, and limits of vessels

Personal Protective Equipment – safety glasses, safety shoes, protective clothing

Monitoring – None

Hazard Control Verification

Unless otherwise noted in the approved experiment safety plan, the Director of the APS Engineering Support Division delegates the authority to authorize an experiment in this hazard class to a member of the APS Experiment Review Board and any of the persons in the beamline personnel that appear in the list of Beamline Manager personnel authorized to approve experiments.

Experiment Authorization

The Director of the APS Engineering Support Division delegates responsibility for verifying that required controls are in place to personnel delegated the authority to perform this task to the experiment On-site Spokesperson, and Beamline Management personnel having experiment safety responsibilities.

References:

ANL ESH-13.1, Rev. 1, Laboratory-wide Procedure, 13.1 Pressure Safety - Systems

Reviewed: January 16, 2013