Dave Marquardt Email and Phone Number

Founded in 1981, Gewalt Hamilton Associates, Inc. (GHA) offers a diverse range of professional engineering, surveying, planning, environmental, and geographic information services. We are committed to providing superior client service with professionalism, integrity, dedication, and vision - every project, every client, every time. This commitment, combined with finding and retaining talented staff, allows us to develop and maintain long-term positive relationships with both our clients and regulatory officials. GHA represents a diverse group of clients that include municipalities, county and state agencies, utility companies, school districts, hospitals, community colleges, park districts, senior care facilities, commercial and residential developers. In an industry rapidly evolving through continuous technological advances and a renewed commitment to sustainability, GHA strives to remain at the forefront. We excel at complex assignments that require both engineering expertise and creativity. We are driven to produce innovative designs that balance project function, economics and environmental sustainability while achieving client goals and meeting regulatory requirements.

At IDOT, I performed assignments, such as operating surveying equipment and performing related mathematical computations, as well as preparing working drawings from rough drafts or notes, performing basic project inspections and investigations, and conducting field and laboratory tests. Specific duties included:• Inspecting large roadway construction projects• Bridge layout and inspection• Materials and field testing and inspection• Staking on a survey crew