Rule 9 states that "the following procedure 19(a) through 9(1)I must be followed." The Signal Maintainer contacts the Critical Incident Desk (CID) to request an order authorizing the warning system to be disabled. After documenting the order, the CID notifies the Dispatcher/Control Operator, whereupon all trains are instructed that they are required "to come to a complete stop before occupying the crossing and flag themselves over the crossing as per CCOR 6.32.2A[.1" Upon receipt of confirmation that all trains have been instructed accordingly, the Signal Maintainer notifies the CU) "how they will disable the crossing (shunt in the approach, jumpering the X14, electronically disabling the tracks, etc.)" and proceeds in that manner. Upon completion of the repairs or maintenance at the crossing and after "all methods of disabling have been removed, the crossing must be tested to ensure that the warning devices ... are functioning as intended." When the test satisfactorily demonstrates full functionality, the Signal Maintainer notifies the CID that the crossing is operational and the CID removes the order, thereby restoring the grade crossing to service.
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