How to do a good job in the early planning of guidance system design

Be familiar with the project when planning the guidance system design in the early stage. Party A had better give more information and visit the site. The pre-design and planning of the guide system is the basis of everything in the later period, and you need to be relatively familiar with the project, otherwise it is useless to design things that are not suitable. It is suggested that the following points must be done when making design planning: 1, ask customers for project information, the more detailed the better; 2. At the same time, communicate with customers to understand their real needs; 3. Be sure to go to the project site for investigation and make records.