; (D) the types and spacing of other wayside defect detectors required to be placed, to the extent such detectors are utilized; (E) the manufacturer's expected performance for each type of defect detector and how the carrier will assess compliance with such performance; (F) procedures for promptly providing pertinent safety alerts to train employees, including locomotive engineers and conductors, train dispatchers, and relevant maintenance employees; (G) the ability to share relevant safety data from the defect detector network with other railroad carriers and with rail car owners; (H) policies and procedures for training employees regarding relevant elements of the defect detector system, including— (i) persons whose duties include installing, maintaining, repairing, modifying, inspecting, reviewing data, and testing safety-critical elements of the railroad’s defect detector, including central office, wayside, or onboard subsystems; (ii) persons who receive and review defect detector alerts; and (iii) persons who operate trains or serve as a train or engine crew member; (I) policies for maintaining records regarding the required elements of the rail defect detector network for not less than 5 years, which shall not include data on individual alerts; and (J) designs for the collection and analysis, including applicable alerts, thresholds, and corresponding safety actions. (3) Alternative hot bearing detection plan (A) Submission A rail carrier may comply with an alternative hot bearing detection plan instead of the requirements described in paragraph (2)(C) if— (i) the rail carrier submits such plan to the Secretary and the Secretary approves the plan