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What is the difference between a hard hat and a safety helmet?

Hard hats are intended to reduce the forces of impact from a blow to the top of the head. Not only are multi-impact tested helmets designed and tested to reduce the force of an impact from a blow to the top of the head, but they are also designed to reduce the forces from lateral impact coming from an off-centre, side or top of the head strike during a fall.

For work at height, it is essential that in the event of an uncontrolled fall the helmet is retained on the head. Selecting the correct helmet with multi-impact and penetration testing standards most appropriate to your working application is essential.

What is the fall distance factor? When a fall arrest system is being used, the potential free-fall distance should be less than two metres. Energy-absorbing lanyards should not be used in conjunction with inertia reels as this can result in an excessive distance of fall prior to the fall being arrested.

There should be sufficient distance between the work surface and any surface below to enable the system, including the action of any shock absorber, to deploy fully.
What is a pendulum effect?

The pendulum effect is a potential hazard resulting from lateral movement or swing during a slip or fall. Appropriate positioning of single anchorage, diversionary anchors or horizontal lifelines can reduce the risk of a pendulum effect in the event of a fall.

What is a rope access system? A rope access system commonly employs a working line and a safety line. The working line, on which the operator is suspended under tension during ascent and descent, is the primary means of access. Depending on the mass of the operator, the anchor is subject to a continual force of 1-2kN, which should be applied in a static manner. 
What is a total restraint system? A total restraint system is a full-body harness that is connected to a suitable anchorage point or horizontal lifeline by an energy-absorbing lanyard. The system is set up to keep the worker from reaching the edge.
What is a fall arrest system? A fall arrest system is designed to support and hold a person in the event of a fall. It is not a work positioning system, as they are not designed to support a person while working.
What is a work positioning system? Work positioning systems enable a person to work supported in a harness under tension in a way that a fall is prevented. Generally the arrangement allows for the worker to maintain a stable position and to work hands-free while completing a task.
Who can inspect height safety PPE? All components of personal fall protection/fall arrest systems must be inspected by a competent person at intervals of no more than six months. Inspection reports must be recorded on a formal Inspection Log, and filed for safekeeping.
How often does my height safety PPE need inspecting?

All items of equipment which are in regular use shall be subjected to periodic formal inspection (test and tagging) and where applicable, servicing in accordance with the manufacturer’s instructions.

Fall arrest devices (type 1).
Ropes & adjusters/fall arrest devices (Linostop, positioning devices).

Lanyards with shock absorbers.
Retractable webbing lanyards.
All ropes (finished & cut lengths shock absorbers).
Webbing sling anchors, temporary static lines.
Work positioning lanyards.

Anchors, line & rail systems.
Tripods, pulleys, hardware self-retracting lifelines/inertia blocks  (type 2 & 3).

How do I clean my webbling PPE? Personal protection equipment should be cleaned periodically using a specialist cleaner or a mild detergent and water. Wash with a soft, non-abrasive brush or sponge and allow to air dry after removing the excess water with a dry cloth.
Can I continue to use my height safety PPE if it has been impacted from a fall? Immediately withdraw from use any equipment that has been impacted or been used to arrest a fall.
What training do I need to work at height? Ensure this Height Safety equipment is prescribed/fitted/attached according to current government health & safety at work guidelines and that you are adequately trained in its use.
Can I carry out repairs on my height safety PPE? Do not add to, adapt or repair using components that are not recommended or approved by the manufacturer. Return equipment to manufacturer for servicing.
What is the lifespan of a safety harness?
Like all personal protective equipment, the longevity of a harness in service is subject to various factors that can impact its integrity, such as frequency of use, exposure to chemicals and UV radiation, storage conditions, and the potential strain of a fall arrest event. The actual lifespan of a harness relies on regular inspections before each use and comprehensive assessments by qualified equipment inspectors every six months.
Our harnesses adhere to rigorous standards that dictate a maximum lifespan of 10 years from the date of manufacture (DOM). Additionally, our harness range is backed by a 2-year manufacturer's warranty, providing coverage for any material or workmanship defects that may arise during this period. In general, the majority of harnesses and lanyards may not reach this 10-year mark due to the inevitable wear and tear associated with regular usage. This could be comparable to other PPE, including safety boots.
The 10-year lifespan specified for our harnesses accounts for factors such as logistics and handling before commissioning, ensuring a reasonable timeframe for deployment and use.
Can I put stickers on a helmet?
To ensure optimal safety, adhere to the following guidelines when applying stickers to ZERO Helmet range:
For the application of additional stickers, use only stickers with adhesives compatible with the helmet’s material, such as non-solvent based and certain acrylic adhesive based stickers.  Apply stickers in a manner that preserves the integrity and protective capabilities of the helmet, avoiding coverage of ventilation holes and interference with fit or function. Stickers should not impede a thorough inspection of the helmet for signs of wear or damage, including cracks or dents. 
The visibility stickers included with ZERO helmets adhere to the safety criteria outlined above.