PS 01 – Temporary Works, Excavation, Underground and Overhead Services

The intent of this document is to eliminate or minimise the risks of fatalities, injuries and incidents arising from temporary works, excavations and underground and overhead services at Laing O’Rourke workplaces. It applies to potholes, topsoil or ground strip, driving star pickets or posts, excavation for construction of manholes, pits or drainage, piling, penetration of walls, concrete slab and stone, boreholes and bulk excavation.

Primary Standard

FSR Critical Controls (field check)

5 thoughts on “PS 01 Temporary Works, Excavation, Underground and Overhead Services

  1. The control, “Solid barricading (secure fencing), hoarding at least 900mm high and/or covers in place to restrict access
    to excavation, including inadvertent entry and falls into the excavation” does not outline when this control is required. It could be interoperated that it is required as soon as you have an excavation, or, when you are leaving an excavation unattended i.e. smoko/lunch, or, after a days work as an after care control.

    Please outline the intent of this control for correct application of this control in the field.


    1. The system is not designed to cover all circumstances and it is up to the project to determine the exact requirements based upon the risk posed by the particular excavation. As part of the planning prior to excavation the suitable controls to prevent inadvertent entry / falls should be determined e.g. In high traffic areas solid barricading might be required when the excavation is unattended even if it is shallow.

  2. We are currently doing some revision of what “Services are positively identified and verified using non-destructive means of potholing” means to our project (Non Laing O’Rouke Infrastructure Project) and we have found different interpretations amongst Permit Issuers especially around risk perception of striking certain services (impacts to work crew well understood, the community impact less quantifiable) and the management of converging services to our excavation alignment. Happy to share our work. We are looking to provide better guidance around the frequency of potholing to prevent the risk of striking converging services based upon the type, size, and impact of potential damage to the service from both a workgroup and community aspect.

    Hope this share generates some debate within your teams as it was a worthwhile exercise on our Project to undertake.

    Love your work sharing your SMS and making it transparent for comment, bold positive move!

    1. Thanks for the comments and offer to share, Wade. It definitely is a complex topic. We’ll contact you shortly to discuss this further.

  3. Can we explain Blowout as the average person may not understand what it refers to. potential change – Weather conditions including wind which may cause blowout.
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