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How the elevators are being modernised

Advantages of a complete elevator replacement include:
  • Possibility to change parameters:
    • Replacement of the technology with a more efficient one (reduction of operating costs)
    • Increasing the size of the elevator cabin and thus the operating capacity
    • Increase in elevator speed
    • Reduction of the noise level of the entire equipment
  • All the work is done at once
  • Significant reduction in servicing costs due to a significant reduction in elevator failure rates
  • Full warranty on the entire installation
 
However, the effort of all of us at Výtahy Praha ČR is always to first find out the actual needs and financial possibilities of the customer, and then to design a solution that will be acceptable to the customer and that will make his/her elevator compliant with all applicable standards and regulations.
 
That is the reason why we do not offer any standard type price list, but we work on all projects with an individual approach according to customer's needs.
The first step must always be to analyse in detail current condition of your elevator. In this respect, it is a good idea to have the results from the Inspection Report. All deficiencies and operational risks are listed in the inspection report. Not every elevator demonstrates the same safety risks. For example, some older elevators may have already undergone partial modernisation in the past.
 
Also elevators built in the 1990s may no longer show all the key risks. In these cases, it is possible to carry out risk removal in stages. It is therefore important to always base the results on the current condition.
 
However, the most common way of removing risks on old elevators is to completely replace the entire installation.

AN OVERVIEW OF SIGNIFICANT CHANGES TO ELEVATORS,

which may only be carried out on the basis of a building permit or a building notification pursuant to Act No. 183/2006 Coll. (Building Act)
SUBSTANTIAL CHANGES TO ELEVATORS (breakdown and designation of changes according to CSN 274011) BUILDING PERMIT (§ 115 of Act No. 183/2006 Coll.)
   
4.1. a) Changes to the elevator equipment, where the technical parameters are changed:  
  • Increase in the ELEVATOR HEIGHT or NUMBER OF STATIONS associated with the structural modification of the shaft affecting the supporting structure or the appearance of the building.
  • Yes
4.1. c) Changes to elevator parts:  
  • Alteration of ELEVATOR SHAFT DOORS when associated with an enlargement of the building opening where the elevator shaft face where they are anchored is a load-bearing part of the structure.
  • Yes
  • REPLACEMENT OF THE ELEVATOR HYDRAULIC VALVE where the new design (location) requires interference with the supporting structure of the building.
  • Yes
4.1. d) Modifications to the structural portion of the elevator or elevator spaces:  
  • ELEVATOR ROOM dimensions shall be modified or shifted if the elevator travel is increased and there is potential interference with the structure's supporting structure or the appearance of the building.
  • Yes
  • Adjustment of the dimensions of the ELEVATOR BOX SPACE or its displacement in case of an increase in the elevator stroke and possible interference with the load-bearing structures of the building or the appearance of the building.
  • yes
  • Extension of the ELEVATOR BASE SHAFT in case of an increase in the elevator stroke or in case of changes in the dimensions of the shaft - interference with the supporting structure of the shaft.
  • Yes
  • ENLARGEMENT OFTHE ELEVATOR SHAFT in case of interference with the load-bearing structure of the building.
  • yes
  • Alteration of existing openings in the ELEVATOR ENGINE ROOM FLOOR in relation to a change in the shaft layout if the elevator machine room floor is load bearing.
  • Yes
 
SUBSTANTIAL CHANGES TO ELEVATORS (breakdown and designation of changes according to CSN 27 4011) STATEMENT OF CONSTRUCTION (Section 104(2) of Act No. 183/2006 Coll.)
4.1. a) Changes to the elevator equipment, where the technical parameters are changed:  
  • Increase of the ELEVATOR WEIGHT connected with the increase of the load on the structure of the building.
  • (n) - construction modifications, the implementation of which may adversely affect the stability of the building and safety in use
4. 1. c) Alteration of elevator parts:  
  • Replacement of the TYPE OR TYPE OF ELEVATOR GUIDES if the replacement will change the method of attachment for hanging the guides.
  • (n) - Structural alterations, the performance of which may adversely affect the stability of the structure and safety in use.
4. 1. d) Modifications to structural parts of the elevator or elevator spaces:  
  • Alteration of the original elevator shaft enclosure to a METAL SELF-SUPPORTING ELEVATOR SHAFT.
  • (n) - structural modifications, the performance of which may adversely affect the stability of the structure and safety in use
  • A change in the material of the elevator shaft cladding associated with an increase in the weight of the elevator shaft structure.
  • dtto
  • Change in the material of the EXISTING ELEVATOR SHAFT FILLING associated with an increase in the weight of the elevator shaft structure.
  • dtto
  • Addition of MISSING ELEVATOR SHAFT GUARDING associated with an increase in the weight of the elevator shaft structure.
  • dtto
 
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