METHOD AND ARRANGEMENT

The invention relates to a method for transporting construction material and/or equipment inside a building under construction (1), wherein the building under construction (1) comprises plurality of vertically displaced floors (F0-Fn), the method comprising providing an elevator (GE) for transporting transport containers (9) in the building under construction (1), said elevator (GE) comprising at least a load receiving unit (7) vertically movable along one or more guide rail lines (16) in an elevator shaft (S) formed in the building under construction (1); and providing plurality of transport containers (9) each comprising a container body (9a), and an identification (10) provided on the container body for identifying the container and/or its destination in the building, most preferably the destination floor (F0-Fn) in the building under construction (1); providing one or more detectors (18a-18d) within the building under construction (1) for detecting identifications (10) of containers (9) when they are with