- Accredited laboratory
- A testing or calibration laboratory that has been formally assessed and recognised as technically competent by an authorised accreditation body, most commonly the National Association of Testing Authorities (NATA).
- Applicable
- The hazard applies to the project / site / asset, and the MMR controls for that hazard must be assessed.
- Approve
- Written permission or authorisation granted by a relevant authority or organisation to proceed with a specific action, process, or use of equipment.
- Asset
- Land, property, building, or infrastructure managed, developed, or constructed.
- Authorised Person
- An individual who has been given permission to access certain areas or perform specific tasks.
- Certify
- To officially recognise or confirm in writing that a person, product, or process meets specified standards or requirements.
- Competent
- Having the necessary skills, knowledge, experience, and ability to perform a specific task or job effectively and safely.
- Complex lift
- Lifting operations that have increased risk due to factors such as the weight of the load, proximity to hazards, complexity of the lift, or the potential consequences of failure. Specific examples include:
Lifting activity:
- A mobile crane/device lifting above 80% of rated capacity at any stage of the lift.
- A tower or gantry crane lifting above 90% of rated capacity at any stage of the lift.
- Lifts involving more than one crane.
- Outriggers adjacent to underground services, areas of poor soil, or unknown ground conditions or load-bearing value.
- Helicopter lift.
- Water vessel-mounted / barge crane lifts.
- Lifts over public spaces, or in congested areas where structures, pipelines, power lines, or other obstacles are located.
- Loads over 50t.
Load conditions:
- Loads that are unstable, or have the potential to "turn", "flip", "shock load" and/or "side load" the crane.
- Lifts out of the operator's view.
- Machinery or assemblies furnished by others, or lifts where the load weight is not known.
- Tilt-up and pre-cast concrete panels.
- Workboxes with people inside.
- Bridge beams or other risk-assessed structural elements.
- Critical equipment or high-value items, irrespective of weight.
- Conformance
- The proportion of applicable MMR controls that fully meet the requirement.
- Critical hazard
- A hazard with the potential to cause a fatality or life-changing injury. There are 19 MMR critical hazards.
- Cultural or archaeological significance
- The recognised value of a place, site, or object due to its cultural meaning or its ability to provide evidence of past human activity, warranting protection or special management.
- Design envelope
- The maximum operational reach, movement, and limits of plant or equipment, including attachments, loads, and dynamic movement.
- Facade access equipment
- Engineered systems and equipment designed to provide safe access to the exterior surfaces of a building or structure for inspection, cleaning, maintenance, repair, and replacement activities. This includes building maintenance units and swing stages.
- Fixed plant
- Equipment that is not easily moved and supports the operation of an asset — for example cooling towers, pressurised water and gas systems, compactors, and generators.
- Functional performance
- The degree to which a permanent structure or fixing meets its intended operational purpose, including capacity, usability, serviceability, durability, and maintainability, across its design life and expected conditions of use.
- Gap analysis
- A structured review comparing your current systems of work against the MMR critical controls to identify where requirements are met, partially met, or not met.
- Gap notes
- Additional information captured when a control is marked Partial or Doesn't Meet — describing the gap and the corrective actions required.
- High-risk service
- Low Voltage (LV) and High Voltage (HV) electrical, High Pressure (HP) gas, or telecommunications connected to critical infrastructure (e.g. a hospital).
- High-risk structures
- During demolition, the unplanned failure or collapse of the structure could result in a fatality or extensive damage to nearby assets (i.e. structures, property, or services). Examples include:
- Residential demolition — double-storey (>6m high), e.g. homes.
- Billboards >6m, e.g. marketing signs.
- Commercial demolition, e.g. multi-storey office buildings.
- Industrial demolition, e.g. manufacturing facilities, warehouses.
- Infrastructure demolition, e.g. bridges, utilities.
- Demolition methods using machinery on a suspended floor.
- High risk temporary works
- Complex in nature and requires a higher level of expertise and control due to the risk. This includes:
Formwork:
- Formwork erected at significant heights above ground level, such as high bay.
- Formwork for a jumpform.
- Formwork that uses a combination of different proprietary systems, such as Bondek and tables, Pafili and Peri.
- Needled formwork.
Precast panel systems:
- Propping of vertical precast panels.
- Double-stacked vertical precast panels.
Civil and excavation:
- Temporary walers, anchors and struts used to resist wall movement.
- Road plates.
- Sheet piling greater than 5m high.
- Loading platforms for plant suspended over works.
- Needling of structures greater than 2 storeys high.
- Non-proprietary retention systems.
Hoardings:
- Double-stack sheds on standard B Class.
- B Class hoarding used to support other temporary works.
- Double-stack hoarding over high-risk areas.
Tower cranes:
- Tower crane bases.
- Standard tower crane climbing.
- Erect / dismantle standard core climber / free standing / tie.
- Tower crane cantilever grillage.
- Tower crane with offset tower section.
Scaffold:
- Non-proprietary scaffold loading platforms.
- Catch fans.
- Overhead protection systems.
- Craneable scaffolds.
- Hanging scaffolds.
- Cantilevered / needled / spurred scaffold.
Other construction plant:
- Formwork hoists.
- Pump tower bases.
- Man / material hoists (proprietary Alimak hoists).
- Jumpform.
- Propping for mobile cranes on suspended slabs.
- Swing-stage hoist platforms.
- Design of mobile crane pads.
- Importance level assessment
- A mandated classification of a building or structure based on the consequences of failure, used to set the required structural reliability and design loads.
- Independent
- Free from involvement in the original design, installation, construction, or decision-making process, and without any conflict of interest that could compromise impartiality or objectivity.
- Licensed
- Permitted to perform certain activities or provide specific services after meeting regulatory requirements and obtaining a licence from a governing body.
- Light Electric Vehicles
- A category of smaller, lighter electric-powered vehicles such as e-bikes, e-scooters, electric skateboards, and electric mopeds.
- Live electrical work
- Electrical work carried out on, or in close proximity to, electrical equipment or installations that are energised above extra-low voltage, where a person may be exposed to live conductors, live parts, or the risk of electric shock, arc flash or arcing due to the uncontrolled release of electrical energy.
- MMR — Mirvac Minimum Requirement
- A non-negotiable control standard for managing a critical hazard on Mirvac projects and assets.
- Peer review
- An independent review of a design or process by a qualified person not involved in the original work, ensuring impartiality and objectivity.
- Performance criteria
- The specific control requirement listed against each MMR clause.
- Permanent ground support system
- An active engineered system designed to provide long-term retention of soils. Examples include retaining walls, shotcrete, rock bolting, and ground anchors.
- Permanent personal fall protection systems
- A fixed, engineered system that is permanently installed on an asset to protect individuals from falling while working at height. Examples include fixed anchor points and horizontal or vertical lifeline systems.
- Permit-to-work system
- A formal, documented system used to control high-risk activities by defining the scope of work, hazards, controls, and sign-off processes.
- Positive ground support system
- An active engineered system designed to provide positive lateral support to the walls of an excavation, actively bracing or reinforcing the excavated face to prevent soil movement and collapse (e.g. hydraulic shoring, steel sheet piling, soldier sets, trench shields).
- Protected flora and fauna
- Plant and animal species that are legally protected under Australian environmental legislation, meaning their killing, injury, disturbance, removal, collection, or habitat damage is restricted or prohibited without approval.
- Qualified
- Having the required education, training, certification, or credentials to perform a particular role or task.
- Suspended heavy structures
- An element, fixture or feature of a building or structure that is suspended or fixed in an elevated location where, if fixings fail and the object falls, a reasonable consequence would be a fatality.
- Temporary works
- A structure or system required to support construction activities and ensure safety until the permanent works are complete.
- Unique design
- A structure or element that is custom-designed and not standard or typical in configuration or use.
- Work authorisation process
- A process to ensure that work is only carried out with permission and controls in place.
- Working at height hierarchy of controls
- To eliminate or minimise the risk of falls, in order of preference:
- Work on the ground (e.g. eliminate falls).
- Work on a solid construction (e.g. permanent floors, completed concrete slabs, structurally sound platforms).
- Use fall prevention devices (e.g. guardrails and edge protection, scaffolding, safety mesh).
- Use work positioning systems (e.g. industrial rope access systems, fall restraint).
- Use fall-arrest systems (e.g. harnesses with inertia reels, safety nets, catch platforms).
- Administrative controls (e.g. exclusion zones and signs).
- Ladders (e.g. portable ladders, fixed ladders).
- Zone of influence
- The volume of soil around an excavation that can be affected by any external load.
