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!
Hi Ateeq, I completely agree with the duty/standby philosophy! Designating one pump as a duty unit while periodically testing the standby makes a lot of sense for maintaining operational readiness and reducing wear and tear. It not only maximizes the reliability of your equipment but also enhances safety by ensuring that the backup is well-tested and ready for action whenever needed. I’d recommend looking into the Reliability-Centered Maintenance (RCM) approach, which emphasizes the importance of distinguishing primary and backup systems. The Society of Maintenance and Reliability Professionals (SMRP) has some great resources that might help support your strategy as well. Keep pushing for those high standards!
Hi Ateeq, I completely agree with the duty/standby philosophy you mentioned. By designating one pump as the duty, you not only ensure the primary system operates at peak efficiency but also gain confidence in the readiness of your backup system. This approach can genuinely extend the lifespan of both pumps and reduce unexpected downtime. Additionally, I’d recommend looking into the Reliability Centered Maintenance (RCM) methodology, which emphasizes functional reliability over just maintenance. The SAE JA1011 standard can provide a solid framework for implementing such strategies. It’s great to see your commitment to continuous improvement in reliability!
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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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