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Background Information to be Gathered Outside this Webinar

Background Information to be Gathered Outside this Webinar. Description of Underground Network System Age Ranges from one to 80 years old Characteristics Number of Customers number of meters not readily identified Load served 330 mw

patricia-villarreal
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Background Information to be Gathered Outside this Webinar

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  1. Background Information to be Gathered Outside this Webinar • Description of Underground Network System • Age Ranges from one to 80 years old • Characteristics • Number of Customers number of meters not readily identified • Load served 330 mw • Number of primary circuits and voltage 84 circuits/ 13 & 12.5 kv • Secondary voltage(s) 120/208 grids, 480 - 4kv - 13 kv spots • Physical area (square miles) CBD OF Dallas and Ft. Worth • Is the area exclusively network or are there other customers? Network only • Contingency design (first, second, or other) 2nd • Current State of Network System • Are new loads served from the network system, or in some other way? Network system • Have network protectors been retrofitted with solid state relays? A small percentage • Describe remote monitoring and control. Older water monitoring system, no remote control • Do you have any issues maintaining cable splicing expertise? Training for PILC splicing is done in-house • Have you expanded or reduced your underground network system area in the last several years? Expanded inside “network” boundaries • What level of new customer growth are you seeing in your network area? Data not readily available

  2. Webinar Topics • Future of Underground Network System • What are future plans for your underground network system? • Expand, contract, stay the same? Remain within boundaries • Continue to serve new customers from the network, or serve in some other way, to let network load diminish until it becomes practical to eliminate the network. Serve from network • If you haven’t already done so, retrofit network with solid-state relays and monitoring and control. No comprehensive retrofit plan for 1) relay change-out, or 2) remote monitor and control at this time • if you have already retrofitted, what was the business case to justify the retrofit? • Continue to use paper insulated lead covered cable, or transition to another type of cable. Continue to use PILC at this time, alternative plan for transition away from PILC developed • If transition, what are the details and justification for your transition • Are you doing anything to maintain paper insulated cable splicing skills? Continue to train workers, PILC splicing still being performed.

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