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LOTO Other Matters Needing Attention

LOTO Other Matters Needing Attention

May 02, 2020

Other matters needing attention

1) lock plate requirements

First of all, it should be durable. The lock and badge should be able to withstand the environment in which they are used. Next want firm, lock and label should be strong enough, make sure cannot remove without borrowing external force circumstance; It should also be recognisable, with a badge attached to the lock, stating the name of the owner and the work being done; Finally, there should be a unique, each lock should only be equipped with a key, the key can not be copied and others can not do without authorization.

2) Lockout tagout work order requirements

For equipment distributed in the same electrical room, if several devices execute Lockout tagout program at the same time, a Lockout tagout work order for electrical equipment can be filled in. The equipment code and name can be attached with an additional sheet of equipment requiring Lockout tagout. If the Lockout tagout procedure is required for equipment in different electrical rooms, a Lockout tagout work order for electrical equipment is required for each electrical room. Each program sheet must be signed by the debugger and the electrical unlock operator. A signature is also required to relock and unlock after completion of the test. This work order is stored in the electrical room after the procedure of unlocking and locking is executed. When the work is finished, the lock and unlocking shall be confirmed in the electrical room.

3) electrical control requirements

When the transformer is not in operation, the door of the transformer room and MCC room shall be closed and locked. The main circuit breaker of each inlet cabinet and feeder cabinet in MCC room shall be locked in the off position before the transformer is transmitted, and the circuit breaker of all motors shall be in the test position or the switching position. Power transmission to the transformer is only allowed after the transformer transmission license is signed.

Do have work permit before joint test, sign on the register of the power distribution room, the power distribution room, the scene and the central control room technicians through the intercom communication, can only open the motor to use the lock, and then start the motor. After the test, switch the motor control circuit to the test position and lock it. During the test run, when the electrical equipment or equipment is maintained or adjusted, the work permit shall be submitted, and the operator shall disconnect the control loop of the side operation box and lock the side operation box. After the maintenance or adjustment is completed, the operator shall unlock the side operation box. During no-load test period, the following circuits should be locked before feeding: the main circuit of the feed cabinet and the feed cabinet. Power transmission procedure: sign the power transmission license, sign on the power distribution room register, remove padlock, close circuit breaker on the incoming wire cabinet and feeder cabinet.


Strict compliance with Lockout tagout system can effectively reduce the injury of personnel and the loss of the enterprise, so it is necessary to pay enough attention to the management and consciousness, seriously study and implement the principle, procedures, methods and precautions of Lockout tagout, and truly achieve safe production.