An
elevator construction arrangement comprises: a first hoistway in a building, a first
elevator car, a first counterweight, car guide rails for guiding the first car, and counterweight guide rails for guiding the first counterweight, a first
elevator hoisting
machine and a first suspension roping arranged to suspend the first elevator car and the first counterweight during construction time use, a protection
deck mounted within the first hoistway during a first elevator installation in a bottom section of the first hoistway, a
hoist device for hoisting a working platform, the
hoist device preferably comprises a man riding hoist attachable to the first car or to an installation platform, and a hoist
rope attachable to the first car or the installation platform and movable with the
hoist device, and a first hoisting point configured to support the working platform via the hoist device and the hoist
rope. During a first elevator installation in the bottom section of the first hoistway the first hoisting point is configured to be mounted to the protection
deck and the working platform guided on the car guide rails is configured to be used as an installation platform in the bottom section of the first hoistway, and after the first elevator installation, the first car is in construction time use configured to be moved in the bottom section of the first hoistway by the first elevator hoisting
machine which is installed at a top of the bottom section of the first hoistway and supported by the car guide rail, the first elevator hoisting
machine suspending the first car and the first counterweight together with the first suspension roping, while the first hoisting point and the hoist device are removed from the first hoistway. A method for installing an elevator during construction of a building.