Agenda Packet Cc - regular meeting 8/28/1989

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2. The level terrain in substation yards will discourage oil discharges from flowing rapidly or far. 3. Substation yards have a ft-ur-inch crushed rock surface, as well as several feet of granular fill, that serves as a sump to contain and/or absorb oil discharges. 4. Larger oil -filled transformers, in many cases, are surrounded by concrete -block curbs and/or walls that will restrain lateral movement of oil. 5. Substation yards are enclosed and locked, thus discouraging unauthorized people and vandalism. 6. Many larger substation yards have automatic night-time lighting that aids detection of oil discharges in the darkness and, addi- tionally, discourages vandalism. Implementation of SPCC Plan A. - A person, or persons, has been designated in each division or district to be the SPCC Plan coordinat- or. He is responsible for the supervision of the SPCC Plan. These people inspect the substations at reasonable intervals and record each inspection in the station log book. B. The coordinator's name (see page 17) and telephone numbers (business and home) have been posted in each trouble dispatch office. C. A copy of the NSP Enviroamental and Regulatory Activities, Department's (ERAD) poster titled NSP ENVIRONMENTAL INCIDENT REPORTING has been posted in each trouble dispatch office and each substation. T•.,,-. poster contains the telephone numbers for ERAD ._ing normal working hours and a 24 hour number of the system dispatcher in the System Operations De- partment of General Office in Minneapolis. In either case, ERAD personnel are notified of the environmental incident. D. During normal working hours all oil discharges are to be reported to ERAD by either the SPCC Plan Coordinator, the dispatcher, or the person making the initial report. If the dispatcher or coordina- DISK 10/(DPO-B-5)/SPC5 - 5 -