| Risk groups | Risk elements | Expansions of risks | Impact level to delay process of constructions delays | ||||
| Very low (1) | Low (2) | Medium (3) | High (4) | Very high (5) | |||
| Risk of Subcontractors design | Risk due to poor Subcontractors survey (geology, topography, hydrography) | r1.1 |
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| Risks due to environmental impact assessment of subcontractors | r1.2 |
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| Risk due to poor Subcontractors technical design | r1.3 |
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| Risk due to poor Subcontractors construction drawings | r1.4 |
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| Risk due to financial capacity of subcontractors | r1.5 |
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| Risks due to personnel capacity of subcontractors | r 1.6 |
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| Risk due to poor Subcontractors inspection | r 1.7 |
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| Risk of Subcontractors materials, supplies, equipment and machines | Risk due to poor Subcontractors materials | r2.1 |
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| Risk due to poor Subcontractors supplies | r2.2 |
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| Risk due to poor Subcontractors Supply Mechanical and electrical equipment | r2.3 |
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| Risk due to poor quality inspection of subcontractors | r2.4 |
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| Risk due to poor impart merchandise Subcontractors | r2.5 |
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| Risk due to poor Subcontractors Supply construction machines | r2.6 |
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| Subcontractor of construction | Risk due to Subcontractors construction projects monitoring team | r3.1 |
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| Risk due to poor sub-contractors of construction | r3.2 |
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| Risks due to poorly subcontractor’s machinery and equipment | r3.3 |
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| Risks due to the capacity of workers of subcontractors is poor | r3.4 |
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| Risk due to subcontractor’s finances is poor | r3.5 |
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| Consequences of risks | Prolong construction progress | r4.1 |
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| Increase in construction costs | r4.2 |
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