Sunoco 2015 Annual Report Download - page 15

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13
Pipeline and Terminal Control Operations
Almost all of our pipelines are operated via satellite, microwave, and frame relay communication systems from central
control rooms located in Sugar Land, Texas and Montello, Pennsylvania. The Sugar Land control center primarily monitors and
controls our crude oil pipelines, and the Montello control center primarily monitors and controls our NGLs and refined products
pipelines. The Nederland terminal has its own control center.
The control centers operate with Supervisory Control and Data Acquisition, or SCADA, systems that continuously
monitor real time operational data, including throughput, flow rates, and pressures. In addition, the control centers monitor
alarms and throughput balances. The control centers operate remote pumps, motors and valves associated with the delivery of
throughput products. The computer systems are designed to enhance leak-detection capabilities, sound automatic alarms if
operational conditions occur outside of pre-established parameters, and provide for remote-controlled shutdown of pump
stations on the pipelines. Pump stations and meter-measurement points along our pipelines are linked by satellite or telephone
communication systems for remote monitoring and control, which reduces the requirement for full-time on-site personnel at
most of these locations.