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Corridor Manager System (CM) Transmission Circuit Loader & Structure Reconfiguration Tool - National Grid; Waltham, Massachusetts (April, 2010) <<

National Grid Corridor Manager System (CM) is an Electric Transmission Geographic Information System (GIS) which is built and implemented on the GE Smallworld GIS SWAF version 400 platform.

On August, 2009, MIT, Inc. was hired by National Grid to work with National Grid’s Transmission GIS team to build transmission circuit loader & structure reconfiguration tool, which included gathering the business requirements, making applications designs, building applications specifications, and developing following CM GIS applications:

Circuit Loader

Circuit Loader is a CM GIS application which is used to populate the new "In Service" transmission circuit data into the CM GIS system in a one batch loading mode.
In addition, some circuits may have different phasing configurations, such as phasing changing from "ABC" to "CBA", the Circuit Loader will allow the circuit data to be cut into multiple subsets which then be loaded separately.

Structure Reconfiguration Tool
Structure Reconfiguration Tool is a CM GIS application which is used to replace the whole transmission structure configuration with the new structure design (structure drawing).
This CM GIS application will be used when an existing structure configuration has been changed in the field and the new structure data need to be updated in the CM GIS database.
Besides the replacements of all structure components, such as switches, poles, clamps, wires, brackets, etc., the Structure Reconfiguration Tool will also reconfigure the wire direction to make sure that wire runs from upstream to downstream of the structures. 

Bulk Object Attributes Update & Structure Move Tools
In addition, MIT, Inc. was also contracted to design and develop "Bulk Object Attributes Update" and "Structure Move" Tools.

Bulk Object Attributes Update Tool is a CM GIS application which is used to bulk update CM GIS circuit data in a single update process.

Structure Move Tool is a CM GIS application which is used to move the structures and all their associated transmission facility records to the new latitude/longitude locations. There are three types of structure move modes as described below:
  • Move by Coordinates from Data File - Move a set of structures and their associated objects to the latitude/longitude coordinate locations by the intermediate data file.
  • Move Selection by Trail – Move the selected structures and their associated objects (selected in the main CM GIS window) to the location defined by the last segment of the map trail.
  • Move Selection by Dragging – Move the selected structures and their associated objects (selected in the main CM GIS window) by dragging the mouse cursor.
The whole project started in August, 2009 and was successfully completed in April, 2010.

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