This report describes the work of developing a specification of requirements for Waste Heat Recovery Units. The main part of the paper describes how the work with the specification of requirements has been performed. One specific question to be answered is:

What are the customer’s demands in case of properties for the Waste Heat Recovery Units and how is that information collected as an order documentation to suit the business area Oil & Gas?

The report begins with a description of the assignment and continues with the aim and background. A theoretical part describes the different areas and methods that have been important during the process. Work on the specification has been carried out on site at the company where interviews of staff and the study of internal documents has been a significant part of the implementation.

The result is delivered to the company in the form of a specification of requirements for the Waste Heat Recovery Unit. This specification fulfills the requirements set initially and is a good starting point for the company to proceed with in contact with subcontractors. The conclusion of the work is that the establishment of a good specification of requirements is really important and that has been obvious during the work and progress of this project. The difficulty lied in getting the right information and to keep it simple and at same time durable.