A site survey provides the network designer important information and creates a proper starting point for the project. It shows what is already on site, and gives a good indication as to what is needed.
Important pieces of information that can be gathered during a site survey include:
Number of users and types of equipment
Projected growth
Current Internet connectivity
Application requirements
Existing network infrastructure and physical layout
New services required
Security and privacy considerations
Reliability and uptime expectations
Budget constraints