Business Details
30 Years
experience
Trusted Civil Engineering in Downers Grove, IL
Since 1996, Jacob & Hefner Associates has built a reputation for delivering high-quality civil engineering, land surveying, and environmental remediation services. Our team of licensed professionals combines decades of experience with advanced technical tools to manage projects from inception to completion. We prioritize client trust through transparent communication, adherence to regulatory standards, and a commitment to innovative solutions for infrastructure, development, and environmental challenges. Our expertise spans multi-state jurisdictions, with a focus on municipal, industrial, and commercial clients.We maintain a single-project-manager approach to ensure accountability and foster long-term client relationships. Our engineers and surveyors utilize cutting-edge software for precise design and analysis, while our remediation specialists implement proven technologies for soil and groundwater restoration. With offices in Illinois, California, Washington, and Texas, we serve diverse industries including aerospace, retail petroleum, and government defense. Our health and safety protocols meet rigorous industry benchmarks, and our insurance coverage supports clients with complex liability requirements.
Services
Civil Engineering
Land Surveying
Environmental Remediation
Asbestos Consulting
Remediation Implementation
Permitting
Construction Oversight
Stormwater Management
Environmental Compliance Training
Details
- Year established: 1996
Highlights and features
- We offer 30+ years of combined experience in civil and environmental engineering
- Our team includes licensed Professional Engineers and Land Surveyors
- We utilize advanced software for precise project design and analysis
- Proven track record in complex infrastructure and Superfund site remediation
- Single-project-manager approach ensures consistent client communication
Services
Civil Engineering
Our civil engineering team provides comprehensive land development solutions including site planning, roadway design, and water resource management. We handle permitting through local, state, and federal agencies while maintaining strict budget and timeline controls. Our engineers utilize AutoCAD and hydrological modeling software to optimize project outcomes for commercial, industrial, and municipal clients.
Land Surveying
Led by licensed surveyors with 25+ years' experience, our survey team delivers boundary surveys, construction layout, and topographic mapping. We employ robotic total stations and RTK GPS technology to improve accuracy while reducing field time costs. Our services support infrastructure projects, pipeline design, and hydrographic surveys with precise geospatial data collection.
Environmental Remediation
We specialize in remediation of chlorinated solvents, heavy metals, and petroleum contamination at Superfund and industrial sites. Our services include soil vapor extraction, in-situ chemical oxidation, and groundwater treatment systems. With RCRA and CERCLA expertise, we manage remedial investigations through to regulatory closure for aerospace, defense, and chemical industry clients.
Asbestos Consulting
Our consultants provide asbestos identification, risk assessment, and abatement planning for demolition and renovation projects. We conduct material sampling and analysis following OSHA protocols, and develop compliance documentation for regulatory agencies. Our services ensure safe handling and disposal of hazardous materials during site redevelopment.
Remediation Implementation
We implement engineered remediation systems including dual-phase extraction, bioremediation, and thermal treatment technologies. Our field technicians operate and maintain remediation equipment while providing real-time performance feedback. We specialize in complex sites requiring SCADA-controlled systems and regulatory compliance reporting for EPA and state agencies.
People
Jeffrey H. Jacob
CEO
Civil engineer with 35 years' experience in land development projects. Holds MS in Water Resources Engineering from Stanford. Specializes in retail and industrial site development for real estate clients across the Midwest.
William L. Bohne
President
Licensed Professional Engineer managing civil infrastructure projects. Expertise in multi-phased commercial developments and regulatory permitting processes. Focuses on improving project delivery efficiency for municipal and state agency clients.
Edward A. Batlle
Vice President
Chemical engineer with 22 years' experience in environmental remediation. Manages hazardous waste site cleanups under CERCLA and RCRA regulations. Coordinates technical teams for soil and groundwater remediation projects nationwide.
Greg P. Gibbs
Principal
Mechanical engineer specializing in remediation system design and operation. Oversees multimillion-dollar environmental contracts for aerospace clients. Certified in health and safety program management for hazardous site operations.
David Kulczycki
Environmental Regional Manager
Professional geologist with 17 years' experience in Brownfield redevelopment. Implements soil and groundwater remediation technologies including electrical resistance heating and multi-phase extraction systems for contaminated industrial sites.
Questions
What engineering services do you offer?
We provide civil engineering services including land development design, infrastructure planning, roadway improvements, and water resource management for commercial, industrial, and municipal clients.
Do you handle environmental remediation projects?
Yes, we specialize in remediation of chlorinated solvents, heavy metals, and petroleum contamination at Superfund sites using technologies like soil vapor extraction and in-situ chemical oxidation.
Are you licensed in multiple states?
Our engineers hold licenses in Illinois, California, Texas, and 6 additional states. We manage projects across the US with regulatory compliance expertise for multi-jurisdictional requirements.
What surveying technologies do you use?
We employ robotic total stations, RTK GPS, and data collectors for boundary surveys, construction layout, and topographic mapping to improve accuracy and reduce field time costs.
How do you handle regulatory compliance?
Our team navigates local, state, and federal permitting processes with expertise in EPA, RCRA, and CERCLA regulations to ensure complete compliance throughout project lifecycles.
What industries do you serve?
We work with aerospace, retail petroleum, government defense, chemical manufacturing, and real estate development clients on infrastructure and environmental remediation projects.
