Systematic methodology, guidelines and practices for developing turnkey substation specifications are provided in this guide. Guidance on engineering, procurement, construction, testing and commissioning, quality assurance/quality control and training is provided.

The scope of this guide is to provide methodology, requirements and practices for both the users and suppliers for a systematic and coordinated approach for development of specification for turnkey substation projects. This guide covers the technical requirements to develop the specifications for the engineering, procurement, construction, testing and commissioning, quality assurance/quality control and training for substations. The contractor should furnish all equipment, materials, and services as specified by the purchaser. The purchaser is responsible for the project data and information for use by the contractor in the proposal. If eithere party supplies technical data, that party is responsible for the data accuracy.

The purpose of this guide is help users and suppliers in specifying requirements and guidance for formulating complete specifications for turnkey substations or projects.