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Electricity : Publications
General General Codes of Practice Codes of Practice Guidance Notes / Guidelines Guidance Notes / Guidelines

Competent Person Performance Monitoring Point System
(Rev. 1 - January 2004)

Appendix (Demerit Points)

Code Description Demerit Point
1. The following information for the work on locating the underground cable missing in the report :
  1. location; or
  2. date; or
  3. time; or
  4. name of competent person; or
  5. approval number of competent person; or
  6. name of contractor
1
2. The following information for the cable locating device used for the detection is missing in the report :
  1. brand name; or
  2. model number; or
  3. serial number; or
  4. calibration record
1
3. Cable information as shown in the report is not accurate because :
  1. The deviation in cable alignment is more than 25% of the actual cable depth; or
  2. The deviation in cable depth is more than 25% of the actual cable depth; or
  3. There is deviation in cable quantity
2
4. The following underground cable information is missing in the report :
  1. alignment; or
  2. reference point; or
  3. depth profile; or
  4. cable quantity; or
  5. voltage level
2
5. Fail to mark the cable alignment or depth on site. 2
6. Plan of the underground cable obtained from the electricity supplier is not used. 3
7. The report details such as alignment, depth, etc. are not explained to the contractors, supervisors or workers before carrying out the excavation work. 3
8. Passive detection to locate cable alignment is not carried out. 3
9. Active detection (such as toroidal injection with a signal clamp) to identify cable position is not carried out. 3
10. Fail to identify or record the existence of cable. 3
11. Produce incomplete or inaccurate report leading to electrical accident which causes injury. 4
12. Produce incomplete or inaccurate report leading to interruption of supply to consumer or interruption to circuit by damaging cable of 11kV or below. 4
13. Produce incomplete or inaccurate report leading to electrical accident which causes death. 6
14. Produce incomplete or inaccurate report leading to interruption of supply to consumer or interruption to circuit by damaging cable of above 11kV. 6

Note : All above items are counted in a single cable detection report

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Last revision date: 14 October 2008