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PN UNC AMR Topic Workgroup

This workgroup is considering standard validation rules for AMR sites to ensure accurate meter readings. Analysis is required to determine suitable industry checks and tolerances. Shippers are invited to test and suggest alternatives to the proposed tolerances. Two sets of tolerances are applied to daily and periodic reads. Further investigation is needed for reads that fail the tolerances. The next meeting of the workgroup is on May 4th, 2011. For more information, contact Michele Downes or Fiona Cottam.

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PN UNC AMR Topic Workgroup

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  1. PN UNC AMR Topic Workgroup Meter Reading Validation Information/Analysis Request

  2. Background • For future AMR sites which provide daily reads or a periodic read to the Transporters, the workgroup is considering standard validation rules carried out by the Shipper prior to submission. • The checks include; • Completeness check to ensure all readings expected are received (including converter readings) • Tolerance check to ensure the consumption derived from the reading is within a specified tolerance for the AQ/SOQ band • At the AMR 19 meeting it was suggested that analysis is performed by Shippers to test the tolerances on real life examples

  3. Analysis • Analysis required to support a suitable set of standard industry checks & tolerances on gas meter readings • Shippers to test the ‘strawman’ tolerances to check if they are appropriate, and suggest alternatives if not • The checks are the minimum required before submission to the Transporters • Two sets of tolerances; • Table 1: on receipt of daily reads • Table 2: on receipt of periodic reads • Tolerances are applied to the consumption derived from the meter reading • Where the read fails the tolerance it is subject to further investigation

  4. Table 1 - Tolerances for Daily Reads

  5. Table 2 - Tolerances for Periodic Reads

  6. Next Steps • The next meeting of the Project Nexus AMR Workgroup will take place on May 4th, 2011 • Shippers to provide alternative tolerances if the ‘strawman’ values are not workable • We would like to conclude discussions on read validation at the meeting • For more information please contact: • Michele.Downes@xoserve.com or • Fiona.Cottam@xoserve.com

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