1. SRWG request to JUG John Gross, SRWG Chair Presented to TSS Jan. 22, 2016 W ESTERN E LECTRICITY C OORDINATING C OUNCIL

2. Latitude and Longitude Request: – All software should use double-precision floating point number to store coordinates Reason: – Provides precision higher than 8 feet 2 W ESTERN E LECTRICITY C OORDINATING C OUNCIL

3. Topology Bus Type Request: – All software should include bus field to identify bus topology type BusbarSection Junction Internal_3WND Ground Reason: – Allows ability to sort/filter buses and identify “real” buses – Helpful in full topology model 3 W ESTERN E LECTRICITY C OORDINATING C OUNCIL

4. Data Maintainer Request: – All software provide a Data Maintainer field for all object types Reason: – Allow users to identify a person or point of contact for every piece of data included in the model – Likely to aid in development of a centralized database 4 W ESTERN E LECTRICITY C OORDINATING C OUNCIL

5. Labels Request: – All software provide Label field for each topology related object type Reason: – Allow storing unique identifier of objects for correlation to other models – Ability to compare Westwide System Model with Planning Model 5 W ESTERN E LECTRICITY C OORDINATING C OUNCIL