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f) Instructions to workers underground in case of a stench gas alarm <br />When you detect the smell of stench gas in compressed air or the ventilation system: <br />a. Immediately stop working <br />b. Evacuate your working place and advise every worker in your <br />surrounding <br />c. Never walk in the smoke <br />d. If the exit access is in smoke, go without delay, in a dead end drift, <br />turn on the compressed air, keep only one miner's lamp on and wait <br />for help. If in a dead end drift, we can try to make some kind of a <br />tent with ventilation ducting or clothes and keep a positive pressure <br />with compressed air. If you have a telephone, inform security or <br />supervision of your location. <br />e. Upon arriving to surface: <br />i. Remove your badge from the presence board <br />ii. Give it to your supervisor <br />iii. Remain available and wait in the dry <br />iv. Wait for authorisation before leaving the property <br />g) Instructions to supervisors <br />a. If a supervisor is advised of a fire underground, ensure that the <br />stench gas was injected in the compressed air and in the ventilation <br />system. <br />b. Supervisors must ensure that their employees are advised. <br />They must write down the names of the employees working underground and their <br />location on the presence board. <br />They must communicate that information and the names of the mine rescuers that are <br />underground to the director of rescue operations (their badge is red). <br />c. Two teams of two persons will be selected by the supervisor. One <br />team must go to the surface vent raise and the other one to the ramp. <br />Those persons will need to have transportation and a radio. <br />They will have to intercept any person exiting at those places. The will have to <br />rapidly direct them to the shifter's office to communicate as fast as possible their <br />name to the director of rescue operations. <br />They will have to forbid anyone from going underground by that access without the <br />director of rescue operations authorisation. <br />They will remain there until new instructions. <br />d. Supervisors must advise their employees coming up to surface to <br />remain in the dry without changing clothes. <br />e. Ensure that the following persons have been advised; <br />23