G1003. Estimates of engineering costs, general industrial

G1003. Estimates of engineering costs, general industrial
Type of work Specifics/category Percentage by
New Modifications
Underground infrastructure Tunnels 12 - 25% 5 - 45%
Sewerage 10 - 17% 10 - 35%
Above ground infrastructure Roads 10 - 17% 10 - 35%
Waterways 5 - 15% 5 - 40%
Railways 12 - 30% 10 - 50%
Office buildings 7 - 15% 7 - 15%
Industrial buildings 7 - 15% 7 - 15%