The scope of this project: temporary waiting area and emergency waiting area set at roundabout of the South Square of Beijing West Railway Station, as shown in the drawing monitoring system, broadcasting system, antenna intercom system, security system, information display system and monitoring system, broadcasting system, security check system, information display system of the emergency waiting are and other content related with the weak currency engineering required by the contractor. second deepening design of outdoor LED information display system, pipe, cable, bridge, materials and equipment basis, stents, outdoor LED information display, and procurement of relevant materials, installation, debugging, opening, acceptance and maintenance within the maintenance period.