AAOM Handbook

• has a different combination of resource types (trades/skills or equipment types), or • has a different combination of resource quantities.

Parent Work Order

A Parent Work Order is used to identify a group of independent Work Orders that comprise a program of work. A group of independent Work Orders may, either for convenience, or due to the pursuit of a developing issue, be linked into a program of work. One example is a group of Work Orders, on different components of a Productive Unit within the Business Structure, that must be completed as part of a single work program (eg concurrent overhaul of the engine, transmission, brakes and axles on a truck). Another example is a group of Work Orders, with different Work Types, undertaken in the analysis of a performance issue and implementation of improvement actions arising from the analysis. A Parent Work Order is used to identify related Work Orders in each instance of; • a program of concurrent work on a Productive Unit, • analysis of a performance issues using the analyse and improve process.

Project Work Order

Project Work Orders can be used to identify the complex and unusual planning, scheduling and execution relationships that exist between a group of Work Orders specifically for an activity such as a plant outage. For example, all of the preparation work for a plant outage, all of the work during the plant outage proper, all of the re-commissioning work and all of the post outage clean-up.

Required Date

• The date by which an event that will create a safety or environmental threat is probable • The date by which delayed completion of a scheduled Production or Service activity is probable.

A Production activity is one that is directly involved in the transformation or transportation of a product or service. A Service activity is one that is directly involved in the identification or control of Threats related to the process.

© McAlear Management Consultants 2004

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