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HSE has issued a safety alert following a spate of serious incidents and near misses involving platform lifts. These lifts are commonly installed to provide access between floors for people with impaired mobility.
The incidents include falls into the open lift well and becoming trapped beneath a descending platform. The risks stem from unauthorised tampering, deterioration and inadequate maintenance.
Dutyholders should review their maintenance and inspection procedures and introduce simple daily checks for the lifts. These should include ensuring that that landing doors cannot be opened when the platform is not at the same level, and that the platform cannot travel without the doors being closed and locked.
These daily checks are in addition to thorough examinations under The Lifting Operations and Lifting Equipment Regulations 1998 (LOLER). Guidance on the examination and testing of lifts is available on the HSE website, and also below:
Target Audience: Platform lift maintenance companies. Owners and operators of platform lifts in a range of sectors (e.g. health and social care, NHS Trusts, public buildings, schools etc)
Key Issues: Potential danger from:
· inadequate maintenance of door components;
· inappropriate adjustment of door locks;
· interference with zone bypass switches at doors;
· unauthorised access to lift well (shaft) when the lifting platform (lift car) is at a different level
· carry out appropriate levels of maintenance; and
· regular safety checks
This Safety Notice is aimed at:
· companies providing maintenance of platform lifts (vertical lifting platforms) and
· owners/operators of such platform lifts used by people with impaired mobility, installed at their premises.
Information is provided for maintenance companies on:
· the risks from tampering with safety critical components (safety devices)
· inappropriate or poor maintenance of such components/safety devices.
Safety devices are designed to prevent doors from opening unless the platform lift is at a landing.
Tampering with safety devices may allow the doors to open when the platform/lift car is not at the landing. This could result in a significant risk to the users of falling from height or being crushed.
Platform lifts (vertical lifting platforms), like traditional passenger lifts, provide access between floors. Platform lifts are hydraulically, or electrically powered. Usually, they operate over two to three floors. They typically rely on hold to run operation and operate at slower speeds than conventional passenger lifts.
HSE is aware of a number of incidents involving with safety devices or of door switches or unlocking zone bypass switches during maintenance. Combined with deterioration of the doors and their hinges, landing doors have opened when the platform/lift car is not at that landing. This resulted in people potentially accessing the lift well when the lifting platform was not at the same floor level/landing. This has resulted in members of the public or workers falling down the open lift well or becoming trapped beneath a descending platform.
Three incidents occurred on early model in the serial number range from 2433 (installed in September 1999) to 4225 (installed in December 2006). These lifts incorporate Bowden cables to control the door locks, which are more susceptible to incorrect adjustment.
HSE has identified a number of issues as a result of wear or inappropriate maintenance:
· Bent door lock switch contacts – The contacts on door lock switches have been bent to increase the switch contact force; however, this can prematurely signal to the control system that the door is locked, allowing operation of the lift platform when the locking pin is only partially engaged with the latch plate.
· Shortened door lock pins which do not provide adequate engagement with the door lock plate, allowing the door to be opened
· Incorrect adjustment of Bowden cables
· Missing screws securing door locks and latch plates
· Poor adjustment of unlocking zone bypass mechanisms, meaning that the switch remains permanently activated, allowing the platform to travel between floors with the landing doors open.
· Damage to doors and door frames resulting in poor door alignment
1. Lift maintenance companies should ensure maintenance activities are undertaken by competent personnel; in line with the manufacturer’s instructions and/or guidance; and in accordance with a safe system of work. Maintenance of the safety elements of the lift its safe operation. Modifications intended to keep a lift operating but which may result in unsafe operation out under any circumstances.
2. Owners and operators of vertical lifting platforms should:
· review maintenance and inspection procedures to ensure that these tasks are carried out by persons competent to do so
· introduce simple tests into daily checks for the lifts to confirm that:
· Landing doors cannot be opened when the platform is not at the same level and;
· The platform cannot travel without the doors closed and locked
The checks should be carried out by a person who is competent to do so.
Relevant legal documents:
· Health and Safety at Work etc. Act 1974
· Control of Substances Hazardous to Health Regulations 2002
· BS EN 81-1:1998 +A3 2009 Safety rules for the construction and installation of lifts – Part 1: Electric lifts
· BS EN 81-2:1998 +A3 2009 Safety rules for the construction and installation of lifts – Part 1: Hydraulic lifts
· BS EN 81-41:2010 Safety rules for the construction and installation of lifts – Special lifts for the transport of persons and goods Part 41: Vertical lifting platforms intended for use by persons with impaired mobility
Please share this information with a colleague who may have this product/ equipment or operate this type of system/process.
For more information visit the HSE web page: http://www.hse.gov.uk/ or contact us on 07507 358685, and we’ll be happy to help.
Contains public sector information published by the Health and Safety Executive and licensed under the Open Government Licence v3.0