JCMB Technology Inc.

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Geo-Spatial Customer Services

Geographic Information System (GIS) technology is a new concept for most public utility companies.  The Geo-Spatial Customer Services group has been created to assist our customers from the public utility sector to strengthen their GIS map and database information.  The main goal of the Geo-Spatial Customer Services group is to integrate various GIS databases and mapping information simultaneously.  The results of our projects make extremely valuable information available to different departments within the public utility environment.

3D View

Overlay of an aerial photo with an electric distribution network

Overlay of an aerial photo with a gas distribution network

Layer description of Overlay Integration Information:

  • The projection system of both aerial photos featured above, have been converted so that they coincide with a distribution network (both of which were captured using a different projection system). Once the conversion process is complete, the territory map is divided on a square mile basis.
  • The land-base parcel boundary is laid over the aerial photos and can provide information regarding the dimensions of the lot and the Accessor Parcel Number (APN), which can be used to link the parcel drawing to any database working with an APN (such as a county).
  • All devices and channels contained within the gas distribution network are captured over the land-base using Adeleä (JCMB’s Automated Mapping and Facilities Management tool).  The network is linked to an Oracleä database and allows a user to query attribute information contained within the gas distribution network.  The connectivity model within Adeleä allows a user to trace the flow of energy within the facility according to open and closed valves.

Land Use and Facility Analysis:

Calculation of future energy needs by analyzing the planned land use for undeveloped land and existing development vs. the capacity of the existing network

Land Use & Facility Integration Information:

  • The map featured above illustrates the planned land use for all the undeveloped lots of land within a particular planning area.
  • The next phase of the project involves calculating the total acreage for the undeveloped parcels for each category of planned land use, that are on a slope of less than 15 degrees and which are not located either on wetland or floodplain areas.
  • Once the total acreage for the different categories of land use has been established, a maximum and an average number of units that can be built according to the planned land use of undeveloped land must be calculated.
  • With the average and the maximum number of units for each category of planned land use, the future energy needs (gas, water and electric) within this area can be calculated.
  • By analyzing the capacity of their existing networks, a utility company is able to plan ahead for future expansion. The plans derived from the analysis of undeveloped land allow public utility companies to save money by acquiring the necessary land before any development takes place and to prepare their networks in advance for future growth.

New development analysis:

Regional Mapping:

Overlay of transmission lines & major backbones with topographic information on a Digital Elevation Model

Regional Mapping Integration Information:

  • EXISTING AND PLANNED ELECTRIC LINES:  The transmission lines have been inserted using different sources: GPS points, topographic maps and old construction drawings.  The key purpose of the transmission map is to allow public utility companies to visualize their transmission lines and major backbones.  With this type of map available, utility companies are able to devise preliminary plans for their future lines, as well as the planning and construction of future substations.  Furthermore, public utility companies can utilize these maps in order to react faster to an emergency situation such as a fire in an outlying area.  Emergency crews can use Regional Maps in order to locate and respond to a fire that may endanger a transmission line.
  • The map featured above contains topographic information (lake, river, hypsography, hydrography etc.) in vectorial format.  Topographic information is downloaded from the USGS web site and is then converted so that it coincides with the current projection system and the AutoCADä .DWG format.
  • A 2 ½ dimensional view is then built from a Digital Elevation Model using the Sun Shading function from E.R MAPPERä.  This function simulates a light source within the view and the 2 ½ dimension is created by a shadow emanating from a hill.  The geo-reference information has been modified and re-assigned in order to merge it with other source information contained on the map.

Regional Mapping: Zoom In

 

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