The categories of costs covered in this section shall be the same costs in the public sector Comparator Model. The main difference is that the reference model for PPP is expected to take into account the innovation, creative design, construction, and operational competencies expected from the private partner. Such competencies shall be defined herein and used as a basis to calculate the following sub-sections (They shall be the same as those used in the base public sector Comparator Model mentioned above, including direct and indirect costs and revenues)