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Project: T133700 #3417

Many cities around the world experienced significant growth after the end of the Second World War. Utilities began rapidly installing underground transmission cables in major cities and urban areas to plan for future demand. Many of these first generation cables are still in service but will soon reach or exceed their expected design life. Since cable replacement costs are extremely high, utility engineers and asset managers are required to provide a detailed justification for these replacement projects to their senior management and regulatory agencies. This is typically accomplished through the preparation and submission of a business case justification. A solid case recommends a solution beneficial for the business. This is also a key marketing opportunity to sell a proposal by justifying why the utility should commit resources to your proposal at this time. This guide will provide a “best in class” template to elucidate the key points and the rationale behind the required information in the business case and how it should be prepared. Included in Appendices A, B & C are examples of business cases for 3 types of underground cable systems (LPFF, HPFF and XLPE).

Keywords: Business Case Summary, Risk Assessment, Net Present Value, Business Value, Alternatives, Safety, Reliability, end of life.