19.7.1 Purpose

As its name indicates, the purpose of the scope of supply (SS) document is to define the scope of supply and services of the various participants in the delivery of the nuclear plant (i. e. vendors, the owner and other participants, as the case may be). The document should clearly describe the scope of each, the division of responsibilities (DOR), the respective limits of supply (terminal points) and the interfaces among project participants.

19.7.2 Contents

The power plant purchasing contract model selected by the owner largely influences the contents of the SS document; however, the structure of the document (i. e. its table of contents) basically remains the same, regardless of the contracting approach, and would organise the information as follows:

• Introduction

• Owner’s scope of supply

• Bidder’s scope of supply

• Other participants’ scope of supply

• Definition of interfaces among project participants

• Division of responsibilities (DOR) tables

• Options.

Regardless of the contract approach selected (i. e. turnkey, split-package, multi-package), the SS document shall clearly specify the scope of supply and services that the owner assigns to himself, to the bidder and to the rest of project participants. To this end, the International Atomic Energy Agency (IAEA) Account System (IAEA, 2000) constitutes a good guideline. It consists of a list of all major items that make up the entire power plant scope of supply. It can be used as a reference to ensure that each scope item is assigned to one of the project participants. It can also assist in verifying the completeness of the scope of supply and ensuring that none of the scope items remains unassigned. There are other systems of account that can be used for the same purpose.