Is there a telephone for the elevator in the old building?

First, the elevator installation preparation work 1. Investigate the intention of installing elevators in the existing houses of the building, investigate the owner's intention of installing elevators, and summarize the signature form for installing elevators. 2. Get the copy of the owner's real estate license and ID card that agreed to install the elevator (in duplicate) and sign the copy. (Yuexiu District needs to provide the original real estate license or purchase the real estate license in the Housing Authority) 3. Entrust the design institute to design the elevator. 1) Planning architectural design drawings need to provide the original plan, section, elevation and foundation drawings of the building. 2) You need to purchase two 1: 500 topographic blueprints and an electronic document from Guangzhou Urban Planning Survey and Design Institute (it takes 3 working days). 3) The design institute needs one week to complete the planning and construction application. 4. Submit the application materials for planning and construction. The owner's representative brings his ID card and a copy to the Construction Engineering Management Section of the District Planning Bureau to apply for the construction drawing review of the additional elevator project. The following information shall be provided: 1) Sign form for agreeing to install the elevator and power of attorney of the owner's representative; 2) The original (or search list purchased by the Housing Authority) and its copy and ID card signed by the owner; 3) Planning and construction drawings, structural safety instructions and other materials (provided by the design institute)