Topographic survey, utility location, project coordination with subcontractors and GIS deliverable of approximately 585 miles of gas distribution main and 2,300 gas valves throughout 51 counties and over 450 business districts in the State of Illinois. TWM will allocate seven dedicated geospatial field crews and two CAD techs to provide project oversight, data collection, data organization, and processing of GIS deliverables.

Scope of Work

  • All data was collected in a 6-mos. time span


Ameren Illinois


State of Illinois


  • Use of SPAR subsurface utility locator is a comprehensive approach to surveying and mapping underground utilities


GIS Mapping
Utility Services