A Scope of Service (SOS) is an effort service (intangible) based on experience and knowledge. A SOS is a brief overview of the services to be provided including specific major activities in project management, engineering, procurement service, construction management service, and commissioning and start-up service, etc. A SOS is specified estimated resources amount and mobilisation plan, etc., in the contract document. (Refer to the Scope of Work (SOW))

Related Definitions in the Project: The Project Management; The Project Baseline; Change Management