3.8 The PFI approach offers the prospect of better value for money than conventional public procurement because it adds a wider range of private sector capabilities including risk management to those previously available to the public sector. For this to work, the private sector needs to be given the greatest possible scope to apply its skills. In specifying what would be required from a PFI deal, National Savings needed to avoid imposing unnecessary constraints on how the private sector could carry out the project.