Our operational strategy employs a time-based changeover philosophy for redundant equipment to ensure maximum reliability and efficiency. Despite operating a Chinese plant with less reliable machines, we strive to maintain high standards through innovative approaches. Recently, a reliability professional recommended designating one pump as the duty pump and periodically running tests on the standby pump to guarantee its operational readiness. This strategy ensures that one pump remains in optimal condition while the other serves as a backup, minimizing running hours on both. Do you agree with this duty/standby philosophy? If so, please share any relevant articles, standards, or references to support this approach. Your insights are appreciated. Regards, Ateeq
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Regularly running your standby equipment, particularly if it is rotating machinery with roller bearings, is essential to prevent false brinelling and detect any hidden failures through periodic maintenance tasks in RCM. By switching the standby machine for maintenance during scheduled intervals, you can ensure equal run time and optimize PM opportunities for both machines. This proactive approach guarantees reliability and efficiency in your backup equipment.
I fully agree with the duty/standby philosophy! Implementing this approach not only ensures your operational readiness but also can extend the life of your machinery. It's a standard practice in a variety of industries. ISO 14224:2016 provides guidance for collection and presentation of reliability, maintenance and safety data. It includes recommendations for duty-standby operations, which may be helpful for your consideration. Also, a paper named "Utilization of Standby System in Plant Maintenance: A Case Study," published in the International Journal of Science and Research (IJSR), provides a practical look into the benefits and implementation of a similar system. It's definitely worth a read!
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Answer: - The duty/standby philosophy involves designating one piece of equipment as the primary or duty equipment while keeping another as a standby or backup. This approach ensures operational readiness and minimizes running hours on both pieces of equipment.
Answer: - By periodically running tests on the standby equipment to guarantee its readiness, the duty/standby philosophy helps maintain high standards of reliability and efficiency. It ensures that one equipment remains in optimal condition while the other serves as a backup, reducing wear and tear on both.
Answer: - While specific standards may vary depending on the industry or equipment type, the duty/standby philosophy is a common practice in reliability management. Professionals often recommend this approach to maximize equipment reliability and minimize downtime.
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