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Asset management: South Jersey Gas

Project type:

GIS, IT, hydraulic modeling


GIS conversion, GIS updates,document conversion, document updates, hydraulic model creation, hydraulic model updates, Fieldbook service, GIS and document viewing, work management, custom software, hosting

South Jersey Gas / New Jersey

South Jersey Gas is a 350,000-plus customer gas distribution utility located in New Jersey. Mott MacDonald provides a hosted asset management solution for the company’s engineering and operations departments.

This solution combines GIS, hydraulic modeling, document management, and work order management. All of the company’s five divisions in southern New Jersey use the solution for day-to-day activities concerning the maintenance and expansion of the South Jersey Gas underground infrastructure.

The engagement started with the conversion of the company's facility mapping into a GIS database. This database uses rectified orthographic photography provided by the State of New Jersey as a land base. Parcel boundaries were gathered from the counties in the South Jersey Gas service area and used to locate customer meters to the parcel level.

Consumption data is analyzed annually and a consumption profile is generated for each meter based on heating degree days. Each year a calibration day is chosen. System pressure and flows on this day are used to calibrate the hydraulic model of the system.

The GIS and document system is updated from as-built records entered by South Jersey Gas using FieldbookTM remote scanning technology. On a daily basis, over 350 South Jersey Gas and contractor field utility workers use FieldbookTM for leak management, locating underground infrastructure and entering field generated as-built documents.

Mott MacDonald updates the GIS and indexes the as-built records using the as-built documentation in an automated work flow process. Only selected South Jersey Gas personnel have the authorization to edit document records using Fieldbook.TM

Mott MacDonald is the prime consultant on this project and provides data center services, data conversion, software coding, GIS updates and data entry services. We provide project management, gas engineering, software architecture, software hosting management, engineering software design, web software, ESRI application software and quality assurance and control.

We also operate a data center that is used by South Jersey Gas and other Mott MacDonald clients. The data center provides a Citrix server farm, Oracle and SQL servers, application servers, file servers and ESRI ArcGIS and SDE servers in a secure environment. The data center is connected to the Internet backbone through a managed firewall. Security measures include the separation of data and application servers from Internet-facing servers, offsite tape backup and role based security.

Project highlights:

  • Internet-based enterprise infrastructure management solution.
  • Automated as-built work process.
  • Hydraulic model integrated into GIS.
  • Individual meter consumption data updated on periodic basis.
  • Automated leak management process.
  • Automated map book generation.
  • Hosted solution.
  • Help desk & security administration.
  • Role-based security model.
  • Integrated hydraulic model that encompasses transmission & distribution systems operated by South Jersey Gas. This model includes over 110,000 pipe segments & 1,180,800 feet.
  • Documents under management total more than one million.
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