This standard is applicable to the preparation of design estimates for feasibility study reports for domestic new and phased construction of offshore wind farm projects, and other wind farm projects can be implemented as a reference.
NB/T 31009-2011 history
1970NB/T 31009-2019 Preparation regulation for cost estimation of offshore wind power projects
2011NB/T 31009-2011 Specification and calculation basis for cost estimate of offshore wind power projects