Natural-gas pipelines and utilities plan to install 159 complete supervisory, control, and data acquisition (scada) systems for the 30-month period begun in October 1990.
These companies also plan installation of 90 remote-terminal units (RTUs) on existing scada systems.
The companies project total value of these 249 projects at $156.8 million.
These figures are based on research conducted by CSR Inc., Roseville, Calif., which maintains a data base on 1,300 gas utilities and 700 pipeline companies.
All gas utilities and pipeline companies are contacted periodically, CSR says, to determine the status of e...