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Time periods of revisions for distribution networks up to 1000 V:
Revisions – based on environment |
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1. basic |
5 years |
| 2. normal | 5 years |
| 3. cold | 3 years |
| 4. hot | 3 years |
| 5. moist / humid | 3 years |
| 6. wet | 1 years |
| 7. with higher level of corrosion aggressively | 3 years |
| 8. with extreme level of corrosion aggressively | 1 years |
| 9. dusty with inflammable dust | 3 years |
| 10. with vibrations and quakes | 2 years |
| 11. with biological parasites | 3 years |
| 12. passive with danger of fire | 2 years |
| 13. passive with danger of explosion | 2 years |
| 14. out-door | 4 years |
| 15. under shelter | 4 years |
Revision – according to occurrence of persons |
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| 1. inside areas designed for gathering of more than 250 persons, (in cultural and sport facilities, in shopping malls, stations of mass transport, etc…) | 2 years |
| 2. masonry apartment and administrative buildings | 5 years |
| 3. vacation facilities, schools, nursery schools, day nursery schools, hotels and other accommodation facilities | 3 years |
| 4. buildings or parts of buildings made of construction materials of flammable class C2 and C3 | 2 years |
| 5. mobile and transportable utilities | 1 years |
| 6. temporary equipment of construction site | 0.5 years |
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