scope:

This standard applies to equipment and systems on the main LU power distribution system - The System.

This standard shall be used by all designers and project teams whose work is capable of modifying the security and reliability of power supplies to equipment and systems supplied by and from The System.

This standard shall be applied to all major project works as well as renewal and enhancement works on The System.

Purpose

To apply technical requirements and criteria for equipment and systems that shall be used to achieve the required minimum levels of security of power supplies from the Power System when undertaking modifications to The System.

Note: Detailed options on the application of these security planning criteria and other aspects that influence the availability of power supplies are provided.