Foundation Cost and Grouping

  • Under general conditions, adopt the default values of cost. If necessary, adjust the unit price according to the local price level of the project. For rock subgrade, increase the price of earth-rock excavation by an appropriate scale.
  • Select infield landform with reference to materials as satellite map of wind farm, geology section in feasibility study report, geological exploration report, etc.
  • Select environment class with reference to item 3.5.2 in Code for Design of Concrete Structures GB50010-2010. For turbine foundation onshore, environment class is generally Class II b.