TECHNICAL GUIDE & PRODUCT USER MANUAL
EQUIPMENT DEFINITIONS Full Body Harness: An assembly of interconnected shoulder and leg straps with or without a body belt, designed for the attachment to a lanyard, pole strap or fall arrest device for fall arrest or work positioning purposes. Work Positioning: Use of a system that enables a person to work supported in a harness in tension in such a way that a fall is prevented. Confined Spaces Harness/Spreader Bar: A full body harness incorporating retrieval attachment points fitted to the shoulder straps that will retain the wearer in the heads up position when being lifted and to which is attached either a spreader bar, a pair of lifting straps or a lifting bridle. Wrist straps attached to a spreader bar should enable the wearer’s arms to be raised above the head to facilitate a rescue and which shall be readily detachable from the wrist. Lanyard: An assembly of a line and components which will enable a connection between a harness and an anchorage and which will absorb energy in the event of a fall. The maximum working slack of a lanyard shall not exceed 2m. Pole Strap: A work positioning strap designed to be placed around a pole or other vertical structural member and attached at two points, one each side of a harness whilst the wearer is working on the pole. Anchorage Point: All Anchorage points used for Free Fall Arrest must be rated at 15kN for 1 person or 21kn for two people. They should be as close as practicable to vertically above the place of work to reduce the likelihood of swing or pendulum effect. Care must be taken to position an anchorage device at a level that will result in the minimum free fall distance. Refer to AS/NZS1891.4 for further details on how to avoid the Pendulum effect, Fall Clearances and Maintenance of Anchorages. Restrained Fall: Any fall where the person suffering the fall is under less than the full influence of gravity due to the action of a restraining device such as a pole strap, or restraint line or is sliding down a slope less steep than is required to have the assistance of a hand rail or hand line.
Restraint Line: A line used to restrict the horizontal movement of the user to prevent a fall. (To be used in restraint technique only, should include a shock absorber in the event of a fall) Total Fall Distance: The total distance a person is likely to fall during both the free and restraint parts of a fall, including the maximum dynamic extension of all supporting equipment. Rescue System: A rescue system is designed to raise or lower a user to safety in the event of fall or immobility. Free fall should not be possible. Competent Person: AS/NZS1891.4 defines a competent person as “A person who has, through a combination of training, qualification and experience, acquired knowledge and skills enabling that person to perform a specified task.” Height Safety Operator: A person who is able to perform harness based work at heights under the direction of a height safety supervisor. Height Safety Supervisor: A person who is competent in the skills needed to perform harness based work at heights, to supervise other operators including those at entry level and to participate in first response rescue. Height safety Equipment Inspector: A person who is competent in the skills needed to detect faults in height safety equipment and to determine remedial action. Height Safety Manager: A person who is competent in the selection, design, manufacture or installation of height safety systems or equipment, or the development of control measures or work practices.
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