|
Planning for quality is a necessary ingredient for developing and review inspection and testing for activities to be performed here and at supplier’s facilities. The suggestions contained within this Guideline could very well be applied to Stamp holders and their Subcontractors.
Let’s not assume that just because the supplier is already an approved supplier listed based on an evaluation of their ability to meet requirements – that these problems do not exist.
Of course, suppliers are required to develop and implement ITP’s; however, the level of planning used by suppliers is not consistent. Weak or poor supplier ITP’s are generally based on one or more of the following problems: 1. Supplier has a ‘Canned Program Approach” to meeting their client’s needs and specification requirements – submitting the same ITP used for all their clients. 2. Supplier has weak process method for reviewing client requirements and fails to prepare quality plan to meet those client requirements. These weak suppliers generally do not plan for quality until after the PO has been acknowledged and then expect their quality department to handle just the fabrication aspects of quality control. 3. Supplier fails to identify controls, work processes, tools and equipment, personnel skills that may be need to achieve the required quality. 4. Supplier fails to evaluate compatibility of their engineering, purchasing, fabrication, inspection, and documentation processes with their existing procedures with the client requirements. 5. Supplier fails to update their quality in all areas, not just inspection and testing. 6. Supplier fails to identify measuring requirements that exceed their ‘state of the art’. 7. Supplier fails to identify necessary inspection, examination, and verification activities at appropriate stages. 8. Supplier and client fail to clarify the standard of acceptability, especially those that contain a subjective element. 9. Supplier fails to identify quality records that need to be prepared and delivered at various stages, not just at design and delivery stages.
The purpose of an Inspection and Test Plan is to put together in a single document that records all inspection and testing requirements relevant to a specific process. On a procurement (Or subcontractor) contract, the process is likely to be a shop fabrication (Or Field construction) activity, element of work, trade work or providing a product.
An Inspection and Test Plan identifies the items of materials and work to be inspected or tested, by whom and at what stage or frequency, as well as Hold and Witness Points, references to relevant standards, acceptance criteria and the records to be maintained. Inspection and Test Plans, when properly implemented, help ensure that, and verify whether, work has been undertaken to the required standard and requirements, and that records are kept.
Hold Point - A ‘hold’ point defines a point beyond which work may not proceed without the authorization of a designated authority. Designated Authority - This ‘designated authority’ might be an employee, an ASME Authorized Inspector (AI), a client, or a regulatory authority representative, or it may be a 3rd party inspection agency's inspecting items as a designated “Service Provider”.
Witness Point - A ‘witness’ point provides a party with the opportunity to witness the inspection or test or aspect of the work, at their discretion.
Surveillance - Intermittent monitoring of any stage of the work in progress
Self inspection - Where the individual performing the work verifies the quality progressively - often with the aid of checklists.
Work area - A discrete section of the whole work, usually defined by location, where any trade work or activity would be completed before it moves onto another area. Examples include a wall, a room, a building, a length of pipeline between fabrication shops and the like.
|