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Lift Modernisation – How many lifts to modernise, new and old technology

Lift Modernisation in Occupied Buildings – How many lifts should I modernised and will old and new lifts work together?

Will the modernised and un-modernised lifts work together during the lift modernisation?

Because of the technology differences between old and new lift control systems in most cases unfortunately, the answer is no and the result is extreme inefficiencies with old lifts working separately to new lifts and not in the in same group.

However, there are ways around this.

Firstly a lift ‘overlay’ can be installed that can be thought of as a magic box that takes all the car and landing calls from the old and new lifts and dispatches the lifts in an efficient manner to respond to these calls. This is an added expense to the lift modernisation and it is not always possible to build a lift overlay as it depends on several factors including the type and manufacture of the old and the new equipment.

Secondly, in the case when you have the same company modernising the lifts as manufactured and installed the original lifts, then that company may be able to integrate the technology of the old and new lift control systems for the duration of the modernisations. Again this depends on the old and new control technology and which lift company is concerned.


How Many Lifts Should be Modernised Concurrently?

When modernising a group of lifts the least detrimental impact on lift service would be to modernise one lift at a time. The down side of this is a long programme duration.

Alternatively modernising more than one lift at a time will reduce the programme but with the consequence of a greater reduction in lift service.

It comes down to a balance between length of program and reduction in lift service and to make an informed decision lift traffic analysis should be utilised to estimate the lift service with all possible lift scenarios.


Lift Modernisation – Related Links

Lift Modernisation in occupied buildings – Lift Reliability and Lift Maintenance

Lift Modernisation versus lift replacement – lift duty and lift life expectancy

Lift Modernisation

Lift Refurbishment

Lift modernisation and lift refurbishment – a London classic

Popular Lift Upgrades

Lift Standards BS EN 81 Part 80

Lift Modernisation or Refurbishment


Our Lift Consultants have first hand experience of specifying and project managing modernisation projects from single lifts to multiple groups of lifts, on many projects across all sectors, with equipment from a variety of different contractors. We bring that knowledge and experience to the table when we work for you, ensuring you get impartial advise based on a comprehensive knowledge of the market

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