Good practice maintenance

Isolations should not be removed until maintenance is complete. It is good practice to issue three work permits—one for inserting slip-plates (or disconnecting pipework), one for the main job, and one for removing slip-plates (or restoring disconnections). 

When handing over or handing back a permit, the maintenance and process people should speak to each other. It is not good practice to leave a permit on the table for someone to sign when he comes in. 

This failure to provide dosing pumps is not good practice, as under almost every circumstance untreated cooling water systems will suffer from diminishing levels of efficiency, higher than necessary operating and maintenance costs, and shorter equipment life spans. 

The CSB paper stresses fundamentals of good practices for safe maintenance in refineries and chemical-processing plants. These fundamentals are as follows ... 

The evidence base then underpins the activities that ensure the maintenance of a high quality of service (1) provision of a knowledge resource that summarizes the evidence and its application, (2) use of this resource in education and training of health professionals, and (3) audit to ensure correct implementation and maintenance of good practice. 

Even if software meets all of the user requirements and functional and technical specification, it might still be subject to several business implications. Those cases include any business impact outside the immediate application area, such as information technology (IT) requirements, security issues, increased need for maintenance, and pricing. The V-Model includes a final business acceptance phase that is intended to cover all potential implications as best as possible. For this and other numerous reasons, it is a good practice to involve the end-user community, IT personnel, and management during all phases of a development project. 

Support, communicate and recognize good practices, including the use of computerized maintenance management databases... 

Because any type of maintenance in these plants is costly, design of equipment should be aimed toward long life with no repairs. Experience has shown the following to be good practice ... 

Drury, C. G. (1999), Human Factors Good Practices in Fluorescent Penetrant Inspection, in Human Factors in Aviation Maintenance—Phase Nine, Progress Report, DOT/FAA/AM-99/xx, Nationtd Technical Information Service, Springfield, VA. 

Good practices of operation and maintenance, including the provisions for the use of the lessons learned from past experience. 

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