Construction time use elevator shaft element, elevator arrangement and method

An elevator arrangement of a construction time use elevator, the elevator arrangement comprising:

• a first elevator shaft and a second elevator shaft arranged side by side, wherein
• the first elevator shaft has a right-hand configuration, where an opening for one or more landing doors of the first elevator shaft is arranged closer to a right-side wall of said first elevator shaft than a left-side wall of said first elevator shaft,
• the second elevator shaft has a left-hand configuration, where an opening for one or more landing doors of the second elevator shaft is arranged closer to a left-side wall of said second elevator shaft than a right-side wall of said second elevator shaft, and
• the first and second elevator shafts are positioned such that the right-side wall of the first elevator shaft and the left-side wall of the second elevator shaft are arranged facing each other;
• and
• at least one elevator car,
• wherein each of the first elevator and the second elevator shaft includes at least one shaft element, each separate shaft element including
• a frame module arranged for receiving a separate elevator car therein, the frame module being constructed from
• a transport and/or storage unit, the transport and/or storage unit including side walls, a bottom wall and an upper wall, the transport and/or storage unit being arrangeable vertically such that said side walls, bottom wall and upper wall of the transport and/or storage unit define an inner space of an elevator shaft,
• wherein a wall of the side walls, the bottom wall, or the upper wall of the transport and/or storage unit is opened at a length more than a floor height of a building such that the wall includes an opening for one or more landing doors, the opening having a first side-edge and a second side-edge parallel to longitudinal direction of the transport and/or age unit, and
• at least one stiffening beam arranged to be fixed to the opening and extending from the first side-edge to the second side-edge.

A method for constructing an elevator shaft of a construction time use elevator, the method comprising:

• prefabricating elevator shaft elements, for shaft element of the elevator shaft elements including a frame module constructed from a transport and/or storage unit, the transport and/or storage unit including side walls, and a bottom wall and an upper wall;
• opening a wall of the side walls, the bottom wall, or the upper wall of the transport and/or storage unit at a length more than a floor height of a building such that the wall includes an opening for one or more landing doors, the opening having a first side-edge and a second side-edge parallel to longitudinal direction of the transport and/or storage unit, and
• arranging at least one stiffening beam to the opening extending from the first side-edge to the second side-edge for stiffening a structure of the frame module, the arranging in in attaching the at e stiffening beam releasably with the frame module, wherein the at least one stiffening beam comprises fixing means configured to enable a releasable attachment of the stiffening beam with the frame module, and wherein the frame module includes counter fixing means configured to receive the fixing means, such that each elevator shaft element is configured to enable a stepless adjustment of a height position of the at least one stiffening beam according to the floor height of the building.