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4-7
9. Steps 6, 7 and 8 are repeated for each of the paved options.
10. For an innovative pavement constructed using a local high quality gravel as a base and
surfaced with a low cost seal (double sand seal) costing R200000, the following input data
would be used:
Input parameter values
Construction cost
Cost
R200 000
Overlay cost
R20.00/m2
Reseal cost
R10.00/m2
Maintenance cost
R5500
Environmental
Construction (material and plant emissions)
R3000
Overlay
R500
Reseal
R500
Fixed cost per year (runoff into streams of dust palliative)
R50
Social Benefits
Job creation
R500
Quality of life
R500
Opportunity cost
Dust
Safety
R2000
R100
R1000
The corresponding screen would show as follows:
CR-2004/47: SuperSurf User Manual
Worked Example