ISSUE, RECEIPT, RETURN AND UPDATING OF THIS STANDARD OPERATING PROCEDURE
Every person supplied with this SP must make himself thoroughly acquainted with it, and will be held responsible for the knowledge and compliance with this document.
A copy of this SP shall be issued to all skilled persons, and other persons, as the Engineering Manager, Responsible Engineer, or Financial Manager may decide.
Each person supplied with this SP must sign an acknowledgement receipt of it.
Modifications, additions or cancellations concerning this SP will be issued from time to time, and it is the responsibility of the owner of this SP to ensure that his/her copy is up to date at all times.
GENERAL
In the context of this SP a” TRAINED PERSON” shall be responsible for the adherence to the standard of all persons under his control.
No unskilled person shall work on or in any way handle or interfere with the telephone system.
RESPONSIBILITIES
ENGINEERING:
- Power supply to all Telephone equipment, this includes entries into site from main network hubs, telephone servers, Fiber converters, Ethernet switches and gateways. Both underground as well as on surface.
- Backup power supply to the above-mentioned equipment to sustain power to the equipment as per BML requirements. This should be done with self-starting generators installed at all sites, UPS and Batteries and chargers supplied.
- Regular testing and maintenance of above mentioned equipment and sites to be done on a monthly basis. Fuel to backup generators to be checked monthly as well to ensure telephonic uptime.
- Installation, Maintenance and testing of Drop wires, Hand sets and Crone boxes to be carried out when needed underground. As well as assisting ICT with any fiber breaks or installations that occurs underground and on surface.
- Engineering to monitor power supply to gateways once added by instrumentation on the SCADA system, this includes battery health and both AC and DC Power supply. Suitable battery changer to be purchased by Engineering which can monitor battery health as well as correctly charge batteries and display readings on the SCADA system.
- Engineering to inform IT as well as the Managers Secretary of any extension changes so that it may be updated on the records across the mine, reported faulty phone lines underground to first be checked by Engineering Department before contacting JCT, this includes the line and handset.
ENGINEERING INSTRUMENTATION:
- SMS reporting on power failures both AC and DC to be sent from SCADA system to nominated employees by the Financial Manager.
- Addition of Voltage measurements on both AC and DC power supply on all underground telephone systems as well as addition of symbols on the SCADA system for monitoring purposes.
MANAGERS SECRETARY:
- Updating of telephone list with information supplied by the ICT Department and Engineering.
- Telephone lists can be obtained and updated with the Managers Secretary.
SECURITY – CONTROL ROOM:
- Security to receive all calls and note the number, person calling as well as the place the call originated from. Make sure the line is clear and in proper working order, call to be made back to the originating number for testing.
- If valid emergency is reported, security has internal policies to follow.
MINING:
- Shift bosses test 911 number daily when entering their section refuge bays and report any faults to the Engineering department for repairs.
JCT:
- Is responsible for gateway maintenance and fault finding, as well as the allocation of new numbers on the Telephone server.
- Up keeping and supply of outbound sources to the mine telephone network.
- Installation of IP phones on Surface.
- Fault finding on the telephone servers and the resolution there of.
- Fiber installation and Breaks with assistance from the engineering department.
- Maintain network equipment and all fiber converters on surface and underground.
- Installation of new telephone servers and the updates on the current servers. Backups monthly of the telephone servers.
- Reports from the telephone servers.
PROCESS FLOW
This procedure is applicable to all relevant HOD’s
Once the COP’s or SOP’s have been approved and signed off by the relevant HOD’s it will be:
- Published to MANCO
- Copies will be sent to all the HOD’s
- Training material will be updated accordingly
- Any changes made to a COP or SOP will be highlighted in the procedure.
- A Memo will be drafted with changes made to the SOP/ COP and state which SOP/ COP was communicated.
- Only the changes made to the SOP/ COP will be communicated by the Supervisor to the Employees.
- The Memo will also state within what period the SOP/ COP must be communicated.
- All present will sign an attendance register and records thereof to be kept by the Supervisor
- An updated version of the SOP/ COP will be readily available at the Supervisor and HOD offices.
The HOD will keep records of the attendance in his/her office.
Monitoring of the implementation will be done by the Safety Department when conducting Weekly/Monthly inspections.