Elevator renewal method

An elevator renewal construction method, comprising:

• dividing, at a time of renewal of at least one device in an elevator, a process of the renewal into a series of divided construction work steps each determined as such a unit that the elevator is brought into a normally operable state after termination of each of the divided construction work steps;
• and
• executing the renewal in accordance with the series of divided construction work steps,
• wherein the series of the divided construction work steps includes a first divided construction work step, the first divided construction work step including the steps of:
• installing a communication-enabled hall device at each hall;
• installing a communication-enabled car device in a car;
• and
• installing a communication relay device and connecting the communication relay device and an old control panel to each other;
• connecting the communication relay device and each of the communication-enabled hall devices to each other and connecting the communication relay device and the communication-enabled car device to each other, and
• wherein, after termination of the first divided construction work step, the old control panel is in a state of being communicable with the communication-enabled hall devices and the communication-enabled car device via the communication relay device.