The problem of elevators in public buildings is quite complex, not least because they are places frequented by many people, thus requiring systems able to sort traffic with a certain speed, in order to avoid dangerous gatherings.
It therefore follows the need to provide a service able to do so with due efficiency, so as to prevent the necessary levels of security from being endangered by the concentration of too many users in a given space.
It should also be emphasized that the presence of lifts in public buildings goes to implement an increasingly urgent need, that relating to the needs of the disabled, who must be able to access without excessive obstacles in these structures. A requirement that is the basis of the law 104 issued during the course of 1992 and which deals with dealing with the problem of disability at the legislative level. Precisely this provision provides in particular that the release of building permits is bound to compliance with the rules on the removal of barriers and that public works should be considered uninhabitable and uninhabitable in case the disabled have difficulty accessing them. For those responsible who violate these provisions are also provided for penalties, just to try to facilitate the mobility of those who suffer from motor disabilities.
Among the many problems related to the lifts, however, there is one that involves difficulties of no small importance, namely that relating to the number of lifts that should be present in public buildings. Let’s see what it is.
How many elevators must be present in public buildings?
When the question arises regarding the number of lifts that should be present within public buildings, the answer is absolutely unequivocal. If the obligation of their presence is now established, just to be able to implement the provisions of law aimed at facilitating the removal of architectural barriers that hinder the free movement of handicapped people, the same regulations do not say anything in relation to the number of facilities to be set up in this sense. Truly entrusting the task of preparing an adequate service to the independent assessment of the situation by the managers.
The regulations pin their attention on the dimensions
As we have therefore seen, there are no known legal requirements that oblige the installation of a certain number of lifts in public buildings. In fact, the legislator has preferred to focus his attention on a problem apparently much more important, namely the size of the elevators that must precisely transport the disabled. In the case of public buildings such as offices, schools, hospitals or other non-residential buildings, starting from shopping centers or hotels, the legislation prescribes that the minimum dimensions of the cabin interior must be equal to 1100 mm of width for 1400 of depth. While with regard to the expected flow, it must reach a minimum of 630 kilograms, with a capacity of at least 8 people.
The light of the automatic doors, in turn, must be at least 800 mm, while the minimum distribution platform, positioned in front of the cabin door, must be at least 1.50 x 1.50 meters.
It should also be emphasized that the measures mentioned above must be the subject of a specific assessment, which must take place on a case-by-case basis. Consequently, in many situations it may be advisable not to limit the weighting to the minimum dimensions only, but to try to put in place the countermoves necessary to solve different situations, derogating from them particularly in scenarios such as those proposed by the installation of lifts in pre-existing buildings that do not have them. All this on condition that it is possible to demonstrate the technical impossibility of proceeding with the launching of the plant respecting it.
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