​A2.1 Minimum contents for a WSE​

In-house WSE's should only be produced for basic systems and should contain at least the following information:

• Full description of the system and a labelled drawing, showing all pressure relief devices and valves.
• Details of system location
• Details of responsible persons
• Details, with calculations, of safe operating limits, system volume and maximum pressure
• Details of which parts of the system need to be subject to examination
• What type of examination is required and the interval between them
• Details of all protective devices
• Information about associated pipework
• Any measures needed to prepare the system for thorough examination
• Those parts of the pressure vessel and pipework in which a defect may give rise to danger
• The critical parts of the system, which if modified or repaired, should be examined by a competent person before it is used again

They can of course contain additional relevant information if it may be considered useful to aid an inspector.

A2.2 Minimum contents for a technical file

Technical files should be produced for all pressure and vacuum systems designed in house. Their contents will of course vary depending on the nature and complexity of the system, but as a minimum the following information should be retained in a technical (construction) file and kept for the lifetime of the system by the designer:

• A general description of the equipment;
• The overall drawing of the equipment and drawings of the control circuits, as well as the pertinent descriptions and explanations necessary for understanding the operation of the equipment;
• Descriptions and explanations necessary for the understanding of said drawings and schemes and the operation of the electrical equipment;
• Full detailed drawings, accompanied by any calculation notes, test results, certificates, etc.​, required to check the conformity of the equipment with the essential health and safety requirements.
• The documentation on risk assessment demonstrating the procedure followed.

The risk assessment documentation should include the following:

• A list of the essential health and safety requirements which apply to the equipment;
• The description of the protective measures implemented to eliminate identified hazards or to reduce risks and, when appropriate, the indication of the residual risks associated with the equipment;
• A copy of the EC declaration of conformity;
• Results of design calculations made, examinations carried out, etc.;
• Test reports.

And, where appropriate

• The declaration of incorpor​​ation for included partly completed equipment and the relevant assembly instructions for such equipment;
  
• Copies of the EC declaration of conformity of equipment or other products incorporated into the equipment;
• For pressure systems, documentation relating to compliance with the materials specifications by using materials which comply with harmonised standards, by using materials covered by a European approval of pressure equipment materials or by a particular material appraisal;
• The standards and other technical specifications used, indicating the essential health and safety requirements covered by these standards;
• Any technical report giving the results of the tests carried out either by the manufacturer or by a body chosen by the manufacturer or his authorised representative;
• A copy of the instructions for the equipment;

A2.3 Information to be kept by SHE Group:

The following information should be recorded for each non-exempt pressure system SHE Group is informed of:

• System Location (building and room)
• System responsible person
• Date of first use
• Written Scheme of Examination
• Certificate of conformity
• Details of any pressure test (unless included on certificate of conformity)
• Unique plant reference number
• Date of last inspection
• Next inspection date
• History of major modifications.