Is it necessary to develop an annual comprehensive inspection and maintenance plan for the tank farm terminal?
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Unlike the main plant, the tank farm terminal does not undergo major shutdown maintenance; is it still necessary to develop an annual comprehensive maintenance plan? Does anyone here have relevant documents that they could share?
I have no experience with the operation and maintenance of instruments in tank areas... But I wonder whether, in chemical facilities where there are no regular shutdowns for maintenance (such as tank areas and docks), it is necessary to have backup instruments, so that in case of problems they can be immediately replaced, allowing the original instruments to be repaired But regular annual inspections may require online testing~~
I consulted the experts at the design institute last night… For tank areas, especially spherical tank areas, the instruments use a 3-out-of-2+1 (DCS) configuration, and no specific maintenance plan is required.
The instruments in the oil storage area that I was responsible for maintaining required regular calibration, and the scales in the measurement system needed periodic verification. The control system did not require major repairs; any issues that arose were fixed as they came up. After all, the storage area continued to be in use during major repairs. The instruments in the liquefied gas storage area were calibrated whenever conditions permitted, and even though the system used a three-out-of-two voting mechanism, the typical calibration interval was one year