GHD | Oceana Gold (New Zealand) Limited | 12537997 | Gladstone Pit TSF 46 8. Safety in design Safety in design is a strategy aimed at preventing injuries by considering hazards as early as possible in the planning and design process, enhancing safety through choices in the design process. A safety in design approach considers the safety of those who construct, operate, maintain, clean, repair and demolish an asset (includes building, structure, plant or equipment). Parties involved in the planning and design stage of a project are in a position to reduce the risks that arise during the life cycle of the asset and have a legal requirement to do so. At each design stage “designers” can make a significant contribution by identifying and eliminating hazards, and reducing likely risks from hazards where elimination is not possible. Often the most cost-effective and practical approach is to avoid introducing a hazard to the workplace in the first place, by eliminating hazards at the design stage. The definition of “designer” not only affects the actual designer but also those who are connected with the design (e.g. during construction), including parties where the end product is to be used, or could reasonably be expected to be used, as, or at a workplace (e.g. during end use, inspection, operation, cleaning, maintenance and demolition). Furthermore, the “designer” must ensure, so far as is reasonably practicable, that the plant, substance or structure is designed to minimise risks to the health and safety of workers where the design is for the purposes of a workplace. It is therefore reasonable to consider the wider practical definition of “designer” to include: – Design professionals – Head contractors, project managers, clients, end-users and workers – Quantity surveyors, insurers, quality assurance staff, work safety professionals and ergonomics practitioners – Suppliers including manufacturers, importers, those who hire plant, constructors, installers and trades and maintenance people GHD has been engaged by OGNZL to provide design services described in this report. As such GHD has undertaken a component of the designer’s role in this project. In this role, GHD has identified and mitigated a number of potential risks within the limitations of our scope, in consultation with other members of the design team. As part of the safety in design process, a risk assessment workshop was completed for the project on the 20th January 2021. Participants for the workshop included: – OGC: Guy Butcher, Tully Davies, David Townsend, Ian Schuh, Marc Reid – GHD: Rob Longey, Wes Herweynen, Tim Mulliner, Anthony Kirk, Phil Bennett (Geotest) – EGL: Trevor Matuschka The workshop was completed as part of the liner study and considered several approaches for lining the pit. The outcomes of the risk assessment fed into the selection of the lining approach for the PFS design.
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