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Memphis Light, Gas and Water Division Memphis, Tennessee Preparation and Response to Spring Storms of 2011. Subject Matter. Storms of Spring 2011 Preparation Mitigation Response Recovery Preparation. Preparation. Preparation is a constant and ongoing effort

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Memphis Light, Gas and Water


Memphis, Tennessee

Preparation and Response to Spring Storms of 2011

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Subject Matter

  • Storms of Spring 2011

    • Preparation

    • Mitigation

    • Response

    • Recovery

    • Preparation

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  • Preparation is a constant and ongoing effort

    • Coordinate with other agencies

    • Create and maintain emergency response plans

    • NIMS/ICS

    • New EOC

    • Conduct Drills

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EMA/HLS/Office of Preparedness Emergency Support Functions

ESF # 1 Transportation ESF # 9 Urban Search & Rescue

ESF # 2 Communications ESF # 10 Hazardous Materials

ESF # 3 Infrastructure ESF # 11 Food

ESF # 4 Fire Fighting ESF # 12 Energy

ESF # 5 Information & Planning ESF # 13 Law Enforcement

ESF # 6 Human Services ESF # 14 Volunteers/Donations

ESF # 7 Resource Support ESF # 15 Recovery

ESF # 8 Health & Medical ESF # 16 Animals in Disaster

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Emergency Response Plans (Trigger Points)

  • The Electric System Emergency Response Plan may be activated whenever any of the following conditions exist:

    • Natural disaster such as earthquake, tornado, flood, etc.

    • Predicted temperature above 100 degrees F.

    • Loss of a gate substation

    • Loss of a distribution substation where load is not transferable

    • Loss of a 115 KV pipe type cable

    • Loss of 12 or more electric distribution circuits

    • An uncontained network fire

    • TVA Emergency Load Curtailment - Step 10

    • TVA under-frequency relay operation(s)

    • TVA Notification of a power shortage

    • Civil disturbance

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NIMS/ICS Organization Structure

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All Hazards Event-Gary EOC Layout

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MLGW Gary Emergency Center

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  • Unfortunately, there is no shield we can throw up to block the storm. Me have to prepare to get power restored as soon as possible following a storm

  • Conference Call

    • Verify that critical response personnel, equipment, and materials are prepared

    • Make a decision on calling in mutual aid

  • Monitor the weather

  • Monitor the outage situation

  • Activation

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MLGW Restoration Philosophy


Electric service should be restored in sequence from source to load. Repairs should be made at substations associated with TVA entry points then emphasis placed on gate stations and substations and the associated transmission lines between. This restoration should place priority on substations and circuits which affect categories of customers as listed on the next slide. A restoration philosophy should be maintained which will insure an equitable response to the entire community while maximizing the number of customers being restored.

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MLGW Restoration Philosophy


  • Hospitals

  • Water Pumping Facilities

  • Public Sewage

  • Airports (MIA and NAS)

  • Facilities Essential for Restoration; EMA Requests, Major Media, MLGW

  • Primary Trunk Circuits

  • Primary Tap Circuits

    • Life support issues

    • Police

    • Fire

    • Nursing Homes (by number of beds)

    • Schools (School in/out dependent)

  • Other Broadcasting (Stations above 100 KW and only if their emergency generation is inoperable.)

  • Community Convenience e.g.. Major grocery stores, gas stations etc

  • Secondary (including transformers)

  • Individual Services

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MLGW Restoration Philosophy


Once restoration proceeds beyond hospitals, water pumping facilities and sewage treatment plants, the priority list becomes dynamic depending on various external contingencies such as weather conditions, duration of the outage, and special requests by EMA. If possible, primary distribution work and secondary service work in an area will be conducted simultaneously and all secondary work should continue even though primary work is complete. Restoration, however, should follow this order with deviations being dictated as needed by upper management and EMA. Areas of convenience, i.e. major intersections, malls, shopping areas, will also be looked at to assist the community in coping with an emergency that lasts several days.

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  • Employees return to normal work

    • Management/Professionals

    • Hourly

  • Policies return to normal

  • Work hours return to normal

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  • As soon as an activation period ends, MLGW returns to the preparation phase by conducting a “Post-Mortem” meeting

    • Discuss what went wrong

    • Discuss what went right

    • How MLGW can do better

    • Update Emergency Response Plans