frank lyle just a brief presentation. the scope includes replacement of controlling and communication systems. it's a multi-faceted effort it improve realtime passenger information and system safety, reliability, and expandable of the system by replacing the following components: first we'll replace the subway public address and platform display system, which provides the audio and visual information within the nine muni stations. it will provide enhanced realtime passenger information on a continuous basis, replacing the facility supervisor control and data acquisition system. the acronym you have heard us talk about, we call it scada. which provides the capability of remote monitoring and control of system alarms and emergency ventilation functions of the nine muni stations from the new central control facilities. the third part of the project will replace the mode of power scada system and control of the 26 transit substations used by the charlie buses and light rail vehicles. i will note for members in this project th