Marshall Lancaster & Associates, Inc. develops and maintains control networks for variety of engineering, design, and construction projects. The firm maintains the latest laser, robotics, and global positioning systems (GPS).

We have the equipment and expertise to layout, reference, and build reliable control networks.

Municipal Geographic Information System (GIS) Control Networks

In a coordinated effort with municipal GIS departments, Marshall Lancaster & Associates, Inc. can design and build a durable horizontal and vertical ground control network. Initially, the ground control network can be utilized for aerial photography and topography. The network becomes a framework for all new engineering and surveying projects. Future land development design is then relative to a single horizontal and vertical datum.

Many cities established physical GIS ground control networks in the last decade. Frequently, GIS ground control monuments are no longer inter-visible or have been destroyed by construction. The same is true for vertical control (benchmark) networks. We can density, map and provide data analysis of existing control networks.

Once a physical GIS ground control network is established, city staff or our field crews can collect.