4. Public Sector Comparator

An assessment of whether a PPP project offers value is an essential part of a PPP procurement process. To understand the costs of a traditional public-sector approach, Public Sector Comparator (PSC) is used as a means to compare and understand the value proposition of projects. Various Government bodies have come up with specific definitions for a PSC. A few of those definitions are as follows:

The Government of Western Australia, Department of Treasury, defines PSC as:

The PSC is an estimate of the net present cost to Government if it was to deliver the project under a more traditional procurement method, for example design and construct.

The World Bank assisted presentation on "Public Sector Comparator for Highway PPP Projects" defines PSC as:

The PSC is the hypothetical risk-adjusted cost if a project were to be financed, owned and implemented by a Government Agency.

The PSC is developed in accordance with the required output specification, the proposed risk allocation and is based on the most efficient form and means of Government delivery.

Purpose of PSC

Public entities use the Comparator as a benchmark to help decide whether an alternative procurement method using private finance would offer better value to the public entity. Some of the key purposes of the PSC are:

• Encouraging the Government Agency to calculate full cost pricing at the initial stage of the project development

• Creating a uniform and consistent benchmark

• Taking decisions on implementation through PPP by demonstrating value to the public entity

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